Tag Archives: hydraulic water rig

China Best Sales Mobile 400m Portable Hydraulic Water Well Drilling Rig near me manufacturer

Product Description

Mobile 400m Portable Hydraulic Water Well Drilling Rig

Product Information of XY-400C Drilling Rig Machine               

    According to the difficulties of customers encountered in the actual drilling:
(1)Time-consuming of installation and dismantle, labor force waste;
(2) Potential safety problems and difficult to transport,high cost and time-consuming effort;
(3)Integrative mud pump failure rate is high, the space is narrow when replace the piston, operation
is extremely difficult, avoild the mud pump from water in winter also is a practical problem.

    Thus our engineers and technical experts develop and produce the brand new model XY
400C with over 20 years drilling machinery production experience,by repeated practice and
improvement,finally we can offer you the mature products model XY-400C.
 

Parameters of XY-400C Drilling Rig Machine                            
 

1. Main Parameters
Max. Drilling Depth 400m
Diameter of drill pipe Φ42,Φ50,Φ60,Φ76
Angle of vertical spindle 0°~90°
Drilling capability
Φ75mm (3in) drill diameter Max. Depth 400m
Φ108mm (4.25) drill diameter Max. Depth 320m
Φ127mm (5in) drill diameter Max. Depth 280m
Φ168mm (6 3/5in) drill diameter Max. Depth 220m
Φ219mm (8 3/5in) drill diameter Max. Depth 160m
Φ273mm (10 3/4in) drill diameter Max. Depth 130m
Φ400mm (15 3/4in) drill diameter Max. Depth 100m
Φ500mm (19 1/2in) drill diameter Max. Depth 50m
Φ600mm (23 3/5in) drill diameter Max. Depth 30m
2. Vertical Spindle
Rotation speed Forward 8 grades 50-1150r/min
Reverse 2 grades 29-137r/min
Spindle stroke 600mm
Spindle bore 62mm
Hoisting capability 6000kg
Max. Torque 2800N.m
3. Main hoist
Lifting speed of single wire 0.5-1.9m/s
Diameter of wire rope 14.0mm
Carry capacity of single wire 4000kg
Diameter of winding drum 300mm
Volume of winding drum 50m
Lifting capability of single wire 3000kg
4.Auxiliary Hoist  
Winding drum 140mm
Diameter of steel wire rope 6mm
Volume of winding drum 450m
5. Mud pump(as per your choice)
Horizontal triplex mud pump BW-200II
Displacement 200L/min
Working pressure 50kg/cm² @ 5MPa
Diameter of water inlet hose 65mm
Diameter of water outlet hose 38mm
6.Power supply(choose 1 between the following two)
Diesel engine 17.6kw (24HP)
Electrical motor Y160L-4,18.5kw
7. Weight and Dimension of main drilling rig
Weight 3000kg
Dimension 3980×1950×2750mm
8.Six-wheel Trailer
 
Walking speed Less than 10Km/h
Frame carrying capacity 8.5 tons
Steering wheel 600-14(Single wheel)  0.68 tons
Bearing wheel 650-14(double wheels) 0.9 tons
Minimum turing angle 6.8m

Characteristics of XY-400C Drilling Rig Machine                        

(1) XY-400C has 8 grades forward rotation speed and 2 grades reverse rotation speed, wide 
speed adjustable rang.

(2) Compact mechanical transmission structure, light weight, large diameter of spindle bore,
hydraulic stabilizer legs, good rigidity .

(3) Advanced hydraulic system design makes the control handles concentrated, compact layout
reasonable, easy operation, flexible and reliable; Can realize remote speed change, more
humanization operation.

(4) Uses the electric-start diesel engine, greatly reduces the labor intensity of operators, especially
more efficient in the cold season when the diesel engine start is difficult, showing its great
advantage.

(5) Equipped with the bottom hole pressure indicator, easy to master the situation inside the hole.

(6)The above two kindsall use the latest XY-400 host, hydraulic stabilizer legs, foldable hydraulic 
drilling tower ofhydraulic automatic rise and fall, greatly improve the working efficiency,reduces the
labor intensity.The actual construction have proved that our XY-400 series dramatically increase
the economic benefit of users.

Working of XY-400C Drilling Rig Machine                            

FAQ                                                                                                  

Q1: Are you trading company or manufacturer?
A1: We are original equipment manufacturer.we design,produce and sell.We master the core
      technology, and constantly adjust our products according to the market trend and customer
      feedback, ensure product quality.

Q2: How long is your delivery time?
A2: It is according to the model and quantity.
      Generally it is 3-5 days if the machines are in stock. 
      It will be 15-30 days if you want to customize the machines.

Q3: What do I need to do after payment?
A3: a) If under FOB trading terms,you need to employ a ship forwarder to ship the goods to you;
      b) Under CIF trading terms,we send the goods to the destination port,and contact you to pick
           up the goods; All documents for customs clearance will be sent to you by international 
           express after shipment.

How to choose a suitable drilling rig?                                         

1. What will you do using drilling rig? 
—For water project, core sample, soil test, mineral prospect or others?

2. The depth you need?
—For water well, generally, 30-200m. For core sample, 30-600m, even more. 

3. Any requirements to hole diameter?

—Within a certain range, the smaller diameter, the deeper depth. Mathematically, we call it
inversely proportional.

4. Working land condition?
A. soil, sand, weathered land, etc. soft stratum.
B. soil, sand, soft and hard rock stratum, mixed one. 
C. Mainly hard rock, like granite.

Based on the above information, Our experienced engineers will help you recommend suitable
machine and price. If you have special demands, please tell us ahead. 

About Us                                                                                         

    HangZhou CZPT Mechanical & Electrical Equipment Co.,Ltd. locates in High-tech zone of
HangZhou city, China.

    Our factory dedicates in manufacturing drilling rig since 1970s, more than 40 years’ experience
of production and development makes our product quality rank in the leading position at home and
abroad. 

    We are always seeking for ever greater perfection, keeping improving the production technology,
offering better user experience. 

Screw Shaft Features Explained

When choosing the screw shaft for your application, you should consider the features of the screws: threads, lead, pitch, helix angle, and more. You may be wondering what these features mean and how they affect the screw’s performance. This article explains the differences between these factors. The following are the features that affect the performance of screws and their properties. You can use these to make an informed decision and purchase the right screw. You can learn more about these features by reading the following articles.

Threads

The major diameter of a screw thread is the larger of the 2 extreme diameters. The major diameter of a screw is also known as the outside diameter. This dimension can’t be directly measured, but can be determined by measuring the distance between adjacent sides of the thread. In addition, the mean area of a screw thread is known as the pitch. The diameter of the thread and pitch line are directly proportional to the overall size of the screw.
The threads are classified by the diameter and pitch. The major diameter of a screw shaft has the largest number of threads; the smaller diameter is called the minor diameter. The thread angle, also known as the helix angle, is measured perpendicular to the axis of the screw. The major diameter is the largest part of the screw; the minor diameter is the lower end of the screw. The thread angle is the half distance between the major and minor diameters. The minor diameter is the outer surface of the screw, while the top surface corresponds to the major diameter.
The pitch is measured at the crest of a thread. In other words, a 16-pitch thread has a diameter of 1 sixteenth of the screw shaft’s diameter. The actual diameter is 0.03125 inches. Moreover, a large number of manufacturers use this measurement to determine the thread pitch. The pitch diameter is a critical factor in successful mating of male and female threads. So, when determining the pitch diameter, you need to check the thread pitch plate of a screw.
screwshaft

Lead

In screw shaft applications, a solid, corrosion-resistant material is an important requirement. Lead screws are a robust choice, which ensure shaft direction accuracy. This material is widely used in lathes and measuring instruments. They have black oxide coatings and are suited for environments where rusting is not acceptable. These screws are also relatively inexpensive. Here are some advantages of lead screws. They are highly durable, cost-effective, and offer high reliability.
A lead screw system may have multiple starts, or threads that run parallel to each other. The lead is the distance the nut travels along the shaft during a single revolution. The smaller the lead, the tighter the thread. The lead can also be expressed as the pitch, which is the distance between adjacent thread crests or troughs. A lead screw has a smaller pitch than a nut, and the smaller the lead, the greater its linear speed.
When choosing lead screws, the critical speed is the maximum number of revolutions per minute. This is determined by the minor diameter of the shaft and its length. The critical speed should never be exceeded or the lead will become distorted or cracked. The recommended operational speed is around 80 percent of the evaluated critical speed. Moreover, the lead screw must be properly aligned to avoid excessive vibrations. In addition, the screw pitch must be within the design tolerance of the shaft.

Pitch

The pitch of a screw shaft can be viewed as the distance between the crest of a thread and the surface where the threads meet. In mathematics, the pitch is equivalent to the length of 1 wavelength. The pitch of a screw shaft also relates to the diameter of the threads. In the following, the pitch of a screw is explained. It is important to note that the pitch of a screw is not a metric measurement. In the following, we will define the 2 terms and discuss how they relate to 1 another.
A screw’s pitch is not the same in all countries. The United Kingdom, Canada, and the United States have standardized screw threads according to the UN system. Therefore, there is a need to specify the pitch of a screw shaft when a screw is being manufactured. The standardization of pitch and diameter has also reduced the cost of screw manufacturing. Nevertheless, screw threads are still expensive. The United Kingdom, Canada, and the United States have introduced a system for the calculation of screw pitch.
The pitch of a lead screw is the same as that of a lead screw. The diameter is 0.25 inches and the circumference is 0.79 inches. When calculating the mechanical advantage of a screw, divide the diameter by its pitch. The larger the pitch, the more threads the screw has, increasing its critical speed and stiffness. The pitch of a screw shaft is also proportional to the number of starts in the shaft.

Helix angle

The helix angle of a screw shaft is the angle formed between the circumference of the cylinder and its helix. Both of these angles must be equal to 90 degrees. The larger the lead angle, the smaller the helix angle. Some reference materials refer to angle B as the helix angle. However, the actual angle is derived from calculating the screw geometry. Read on for more information. Listed below are some of the differences between helix angles and lead angles.
High helix screws have a long lead. This length reduces the number of effective turns of the screw. Because of this, fine pitch screws are usually used for small movements. A typical example is a 16-mm x 5-inch screw. Another example of a fine pitch screw is a 12x2mm screw. It is used for small moves. This type of screw has a lower lead angle than a high-helix screw.
A screw’s helix angle refers to the relative angle of the flight of the helix to the plane of the screw axis. While screw helix angles are not often altered from the standard square pitch, they can have an effect on processing. Changing the helix angle is more common in two-stage screws, special mixing screws, and metering screws. When a screw is designed for this function, it should be able to handle the materials it is made of.
screwshaft

Size

The diameter of a screw is its diameter, measured from the head to the shaft. Screw diameters are standardized by the American Society of Mechanical Engineers. The diameters of screws range from 3/50 inches to 16 inches, and more recently, fractions of an inch have been added. However, shaft diameters may vary depending on the job, so it is important to know the right size for the job. The size chart below shows the common sizes for screws.
Screws are generally referred to by their gauge, which is the major diameter. Screws with a major diameter less than a quarter of an inch are usually labeled as #0 to #14 and larger screws are labeled as sizes in fractions of an inch. There are also decimal equivalents of each screw size. These measurements will help you choose the correct size for your project. The screws with the smaller diameters were not tested.
In the previous section, we described the different shaft sizes and their specifications. These screw sizes are usually indicated by fractions of an inch, followed by a number of threads per inch. For example, a ten-inch screw has a shaft size of 2” with a thread pitch of 1/4″, and it has a diameter of 2 inches. This screw is welded to a two-inch Sch. 40 pipe. Alternatively, it can be welded to a 9-inch O.A.L. pipe.
screwshaft

Shape

Screws come in a wide variety of sizes and shapes, from the size of a quarter to the diameter of a U.S. quarter. Screws’ main function is to hold objects together and to translate torque into linear force. The shape of a screw shaft, if it is round, is the primary characteristic used to define its use. The following chart shows how the screw shaft differs from a quarter:
The shape of a screw shaft is determined by 2 features: its major diameter, or distance from the outer edge of the thread on 1 side to the inner smooth surface of the shaft. These are generally 2 to 16 millimeters in diameter. Screw shafts can have either a fully threaded shank or a half-threaded shank, with the latter providing better stability. Regardless of whether the screw shaft is round or domed, it is important to understand the different characteristics of a screw before attempting to install it into a project.
The screw shaft’s diameter is also important to its application. The ball circle diameter refers to the distance between the center of 2 opposite balls in contact with the grooves. The root diameter, on the other hand, refers to the distance between the bottommost grooves of the screw shaft. These are the 2 main measurements that define the screw’s overall size. Pitch and nominal diameter are important measurements for a screw’s performance in a particular application.

Lubrication

In most cases, lubrication of a screw shaft is accomplished with grease. Grease is made up of mineral or synthetic oil, thickening agent, and additives. The thickening agent can be a variety of different substances, including lithium, bentonite, aluminum, and barium complexes. A common classification for lubricating grease is NLGI Grade. While this may not be necessary when specifying the type of grease to use for a particular application, it is a useful qualitative measure.
When selecting a lubricant for a screw shaft, the operating temperature and the speed of the shaft determine the type of oil to use. Too much oil can result in heat buildup, while too little can lead to excessive wear and friction. The proper lubrication of a screw shaft directly affects the temperature rise of a ball screw, and the life of the assembly. To ensure the proper lubrication, follow the guidelines below.
Ideally, a low lubrication level is appropriate for medium-sized feed stuff factories. High lubrication level is appropriate for larger feed stuff factories. However, in low-speed applications, the lubrication level should be sufficiently high to ensure that the screws run freely. This is the only way to reduce friction and ensure the longest life possible. Lubrication of screw shafts is an important consideration for any screw.

China Best Sales Mobile 400m Portable Hydraulic Water Well Drilling Rig near me manufacturer China Best Sales Mobile 400m Portable Hydraulic Water Well Drilling Rig near me manufacturer

China factory Hydraulic Down The Hole Water Well Rotary Drilling Rig with Hot selling

Product Description

Hydraulic Down The Hole Water Well Rotary Drilling Rig

 

This machiine is a kind of truck-mounted drilling rig designed to meet the needs of high-speed, high efficiency and high mobility.
The machine is reasonable in structure, simple in operation, convenient in maintenance and convenient in transportation, and no need to lift by crane after it is transported to the site. It is suitable for geological survey exploration, basic exploration of roads and high-rise buildings, and various concrete structure inspection hole, river embankments, subgrade grouting hole and direct grouting, civil water wells and ground temperature central air conditioning.
 

Main technical parameters

Model

HW-230C

XY-3C

Drilling depth( m )

30-230

30-600

Drilling hole dia. (mm)

300-75

300-75

Drilling angle (° )

90-75

90-75

Spindle speed (r/min)

64 -557

30-1050

Spindle stroke (mm)

450

600

Max winch lift capacity (kg)

1600

3000

Main winch steel wire capacity(m)

35

65

Reel lifting speed (m/s)

0. 12-0. 95

0. 3-1.9

steel wire dia. (mm)

12. 5

12. 5

Drilling tower height ( mm )

6500

6500

Weight without engine (kg)

970

1800

Diesel engine

ZS11 15 

Rated power 14. 7kw/2200rpm

Yunnei YN27

Rated power 39kw/2400rpm

Mud pump

BW-160

BW-250

vehicle chassis

ModeI

Tangjun Jinlika double-column bar light truck

(CA1167PK2L2E4A80) New Sailong medium truck

Drive type

4*2

4*2

 

Model

Quanchai 4B2-95C40

BF4M2012-16E4

Diesel engine

Emission standard

GB3847-2005, GB17691-2005  IV

GB3847-2005, GB17691-2005 IV

Rated power (kW)

70

121

 

 

 

Main features

1, Truck-mounted drilling rigs are hydraulic spindle rotary drilling rig.

2, HW-230C uses Tangjun Jinlika chassis, XY-3C uses HangZhou Sailong medium truck chassis, drilling rig and mud pump are installed on the chassis, Reasonable and compact layout, easy to operate

3, Configuring BW-160 or BW-250 mud pump, high pressure, big flow, it ensures drill depth and diameter.

4,Drilling rig self-equipped with mobile devices, drilling rig can be achieved move back and forth, and it is convenient for wellhead operation.

5,Drilling rig tower hydraulic up and down and automatic telescopic drilling tower, safe and convenient operation.

 

 Drilling Rig Photos 

What Is a Worm Gear Reducer?

If you have never seen a worm gear reducer before, you’re missing out! Learn more about these incredible gears and their applications by reading this article! In addition to worm gear reducers, learn about worms and how they’re made. You’ll also discover what types of machines can benefit from worm gears, such as rock crushers and elevators. The following information will help you understand what a worm gear reducer is and how to find 1 in your area.
worm shaft

Typical worm shaft

A typical worm has 2 shafts, 1 for advancing and 1 for receding, which form the axial pitch of the gear. Usually, there are 8 standard axial pitches, which establish a basic dimension for worm production and inspection. The axial pitch of the worm equals the circular pitch of the gear in the central plane and the master lead cam’s radial pitch. A single set of change gears and 1 master lead cam are used to produce each size of worm.
Worm gear is commonly used to manufacture a worm shaft. It is a reliable and efficient gear reduction system that does not move when the power is removed. Typical worm gears come in standard sizes as well as assisted systems. Manufacturers can be found online. Listed below are some common materials for worm gears. There are also many options for lubrication. The worm gear is typically made from case hardened steel or bronze. Non-metallic materials are also used in light-duty applications.
A self-locking worm gear prevents the worm from moving backwards. Typical worm gears are generally self-locking when the lead angle is less than 11 degrees. However, this feature can be detrimental to systems that require reverse sensitivity. If the lead angle is less than 4 degrees, back-driving is unlikely. However, if fail-safe protection is a prerequisite, back-driving worm gears must have a positive brake to avoid reverse movement.
Worm gears are often used in transmission applications. They are a more efficient way to reduce the speed of a machine compared to conventional gear sets. Their reduced speed is possible thanks to their low ratio and few components. Unlike conventional gear sets, worm gears require less maintenance and lower mechanical failure than a conventional gear set. While they require fewer parts, worm gears are also more durable than conventional gear sets.
There are 2 types of worm tooth forms. Convex and involute helicoids have different types of teeth. The former uses a straight line to intersect the involute worm generating line. The latter, on the other hand, uses a trapezoid based on the central cross section of the root. Both of these tooth forms are used in the production of worms. And they have various variations in pitch diameter.
worm shaft

Types of worms

Worms have several forms of tooth. For convenience in production, a trapezoid-based tooth form is used. Other forms include an involute helicoidal or a convolute worm generating a line. The following is a description of each type. All types are similar, and some may be preferred over others. Listed below are the 3 most common worm shaft types. Each type has its own advantages and disadvantages.
Discrete versus parallel axis: The design of a worm gear determines its ratio of torque. It’s a combination of 2 different metals – 1 for the worm and 1 for the wheel – which helps it absorb shock loads. Construction equipment and off-road vehicles typically require varying torques to maneuver over different terrain. A worm gear system can help them maneuver over uneven terrain without causing excessive wear.
Worm gear units have the highest ratio. The sliding action of the worm shaft results in a high self-locking torque. Depending on the angle of inclination and friction, a worm gear can reach up to 100:1! Worm gears can be made of different materials depending on their inclination and friction angle. Worm gears are also useful for gear reduction applications, such as lubrication or grinding. However, you should consider that heavier gears tend to be harder to reverse than lighter ones.
Metal alloy: Stainless steel, brass, and aluminum bronze are common materials for worm gears. All 3 types have unique advantages. A bronze worm gear is typically composed of a combination of copper, zinc, and tin. A bronze shaft is more corrosive than a brass one, but it is a durable and corrosion-resistant option. Metal alloys: These materials are used for both the worm wheel.
The efficiency of worm gears depends on the assembly conditions and the lubricant. A 30:1 ratio reduces the efficiency to 81:1%. A worm gear is more efficient at higher ratios than an helical gear, but a 30:1 ratio reduces the efficiency to 81%. A helical gear reduces speed while preserving torque to around 15% of the original speed. The difference in efficiency between worm gear and helical gear is about half an hour!

Methods of manufacturing worm shafts

Several methods of manufacturing worm shafts are available in the market. Single-pointed lathe tools or end mills are the most popular methods for manufacturing worms. These tools are capable of producing worms with different pressure angles depending on their diameter, the depth of thread, and the grinding wheel’s diameter. The diagram below shows how different pressure angles influence the profile of worms manufactured using different cutting tools.
The method for making worm shafts involves the process of establishing the proper outer diameter of a common worm shaft blank. This may include considering the number of reduction ratios in a family, the distance between the worm shaft and the gear set center, as well as the torques involved. These processes are also referred to as ‘thread assembly’. Each process can be further refined if the desired axial pitch can be achieved.
The axial pitch of a worm must match the circular pitch of the larger gear. This is called the pitch. The pitch diameter and axial pitch must be equal. Worms can be left-handed or right-handed. The lead, which refers to the distance a point on the thread travels during 1 revolution of the worm, is defined by its angle of tangent to the helix on the pitch of the cylinder.
Worm shafts are commonly manufactured using a worm gear. Worm gears can be used in different applications because they offer fine adjustment and high gear reduction. They can be made in both standard sizes and assisted systems. Worm shaft manufacturers can be found online. Alternatively, you can contact a manufacturer directly to get your worm gears manufactured. The process will take only a few minutes. If you are looking for a manufacturer of worm gears, you can browse a directory.
Worm gears are made with hardened metal. The worm wheel and gear are yellow in color. A compounded oil with rust and oxidation inhibitors is also used to make worm gears. These oils adhere to the shaft walls and make a protective barrier between the surfaces. If the compounded oil is applied correctly, the worm gear will reduce the noise in a motor, resulting in a smoother performance.
worm shaft

applications for worm gear reducers

Worm gears are widely used in power transmission applications, providing a compact, high reduction, low-speed drive. To determine the torque ratio of worm gears, a numerical model was developed that makes use of the equation of displacement compatibility and the influence coefficient method, which provides fast computing. The numerical model also incorporates bending deflections of the gear surfaces and the mating surfaces. It is based on the Boussinesq theory, which calculates local contact deformations.
Worm gears can be designed to be right or left-handed, and the worm can turn either clockwise or counter-clockwise. An internal helical gear requires the same hand to operate both parts. In contrast, an external helical gear must be operated by the opposite hand. The same principle applies to worm gears in other applications. The torque and power transferred can be large, but worm gears are able to cope with large reductions in both directions.
Worm gears are extremely useful in industrial machinery designs. They reduce noise levels, save space, and give machines extra precision and fast-stopping capabilities. Worm gears are also available in compact versions, making them ideal for hoisting applications. This type of gear reducer is used in industrial settings where space is an issue. Its smaller size and less noise makes it ideal for applications that need the machine to stop quickly.
A double-throated worm gear offers the highest load capacity while still remaining compact. The double-throated version features concave teeth on both worm and gear, doubling the contact area between them. Worm gears are also useful for low to moderate-horsepower applications, and their high ratios, high output torque, and significant speed reduction make them a desirable choice for many applications. Worm gears are also quieter than other types of gears, reducing the noise and vibrations that they cause.
Worm gears have numerous advantages over other types of gears. They have high levels of conformity and can be classified as a screw pair within a lower-pair gear family. Worm gears are also known to have a high degree of relative sliding. Worm gears are often made of hardened steel or phosphor-bronze, which provides good surface finish and rigid positioning. Worm gears are lubricated with special lubricants that contain surface-active additives. Worm gear lubrication is a mixed lubrication process and causes mild wear and tear.

China factory Hydraulic Down The Hole Water Well Rotary Drilling Rig with Hot sellingChina factory Hydraulic Down The Hole Water Well Rotary Drilling Rig with Hot selling

China best Portable Core Hydraulic Water Well Drilling Rig with high quality

Product Description

High Quality HZ-200YY portable water well drilling rigs for sale

 
Product introduction
 
1.the feature of the HZ-200YY water well drilling rig  
 
A.53*59 drilling rod adopted,high rigidity and strong delivery torque.
 the machine is equipped with national patent technology—taper clutch,with charactristics of strong transmission troque,easy          operation and free maintenance.
 
B.for the winch,we use large module planetary gear and add supporting frame,greatly increasing hoisting and braking ability of the winch. 
 
C.vertical spindle are fixed by 4 groups of bearings to ensure that the rotary machine is rigid enough for gravel layer and other complex geoloical conditions.
 
D.we are the first 1 to equip mud pump with the flow 160L/min in china so that it will save cost and also make the machine compact,moblie and lightweight.
 
2.Applications of  HZ-200YY Water Well Drilling Rig 
 
HZ-200YY drilling rig is mainly used for geological general investigation and exploration,road and tall buliding foundation exploration,kinds of hole in concrete structure,river levees,subgrade grouting hole drillling and driect grouting,civil wells and earth temperature entral air-conditioner,etc.
 
Main Technical Parameter
 

Drilling depth 200m
Max open hole caliber 300mm
End hole caliber 75mm
Drill rod caliber 60mm
Drilling angle 90°~75°
Drill weight (without power) 975kg
Triangle conveyer belt B950 x 4   B1700 x 3
The main machine moving distance 300mm
Power Diesel engine 22HP                                         Electric motor 15kw
Spindle
spindle speed 64, 128, 287, 557r/min
Spindle stroke 450mm
Hoist  
Max.lifting capacity 2400kg
Single line lifting speed 0.41, 0.82, 1.64m/s
Wirerope caliber 13mm
Wirerope length 35m
Reel diameter 140mm
Hug floodgate caliber 260mm
Hug folldgate belt width 70mm
Mud pump
Type Horizontal single-urn twin-action
Displacement Diesel engine 170L/min     Electric motor 150L/min
Maximum pressure 3Mpa
Work pressure 1.5Mpa
Inlet pipe caliber 40mm
Outlet pipe caliber 30mm
Triangle conveyer belt B1728mm
Hydralic oil pump
Type CBT-F-314
Triangle conveyer belt B1100 X 1

 

Lead Screws and Clamp Style Collars

If you have a lead screw, you’re probably interested in learning about the Acme thread on this type of shaft. You might also be interested in finding out about the Clamp style collars and Ball screw nut. But before you buy a new screw, make sure you understand what the terminology means. Here are some examples of screw shafts:

Acme thread

The standard ACME thread on a screw shaft is made of a metal that is resistant to corrosion and wear. It is used in a variety of applications. An Acme thread is available in a variety of sizes and styles. General purpose Acme threads are not designed to handle external radial loads and are supported by a shaft bearing and linear guide. Their design is intended to minimize the risk of flank wedging, which can cause friction forces and wear. The Centralizing Acme thread standard caters to applications without radial support and allows the thread to come into contact before its flanks are exposed to radial loads.
The ACME thread was first developed in 1894 for machine tools. While the acme lead screw is still the most popular screw in the US, European machines use the Trapezoidal Thread (Metric Acme). The acme thread is a stronger and more resilient alternative to square threads. It is also easier to cut than square threads and can be cut by using a single-point threading die.
Similarly to the internal threads, the metric versions of Acme are similar to their American counterparts. The only difference is that the metric threads are generally wider and are used more frequently in industrial settings. However, the metric-based screw threads are more common than their American counterparts worldwide. In addition, the Acme thread on screw shafts is used most often on external gears. But there is still a small minority of screw shafts that are made with a metric thread.
ACME screws provide a variety of advantages to users, including self-lubrication and reduced wear and tear. They are also ideal for vertical applications, where a reduced frictional force is required. In addition, ACME screws are highly resistant to back-drive and minimize the risk of backlash. Furthermore, they can be easily checked with readily available thread gauges. So, if you’re looking for a quality ACME screw for your next industrial project, look no further than ACME.
screwshaft

Lead screw coatings

The properties of lead screw materials affect their efficiency. These materials have high anti-corrosion, thermal resistance, and self-lubrication properties, which eliminates the need for lubrication. These coating materials include polytetrafluoroethylene (PFE), polyether ether ketone (PEK), and Vespel. Other desirable properties include high tensile strength, corrosion resistance, and rigidity.
The most common materials for lead screws are carbon steel, stainless steel, and aluminum. Lead screw coatings can be PTFE-based to withstand harsh environments and remove oil and grease. In addition to preventing corrosion, lead screw coatings improve the life of polymer parts. Lead screw assembly manufacturers offer a variety of customization options for their lead screw, including custom-molded nuts, thread forms, and nut bodies.
Lead screws are typically measured in rpm, or revolutions per minute. The PV curve represents the inverse relationship between contact surface pressure and sliding velocity. This value is affected by the material used in the construction of the screw, lubrication conditions, and end fixity. The critical speed of lead screws is determined by their length and minor diameter. End fixity refers to the support for the screw and affects its rigidity and critical speed.
The primary purpose of lead screws is to enable smooth movement. To achieve this, lead screws are usually preloaded with axial load, enabling consistent contact between a screw’s filets and nuts. Lead screws are often used in linear motion control systems and feature a large area of sliding contact between male and female threads. Lead screws can be manually operated or mortised and are available in a variety of sizes and materials. The materials used for lead screws include stainless steel and bronze, which are often protected by a PTFE type coating.
These screws are made of various materials, including stainless steel, bronze, and various plastics. They are also made to meet specific requirements for environmental conditions. In addition to lead screws, they can be made of stainless steel, aluminum, and carbon steel. Surface coatings can improve the screw’s corrosion resistance, while making it more wear resistant in tough environments. A screw that is coated with PTFE will maintain its anti-corrosion properties even in tough environments.
screwshaft

Clamp style collars

The screw shaft clamp style collar is a basic machine component, which is attached to the shaft via multiple screws. These collars act as mechanical stops, load bearing faces, or load transfer points. Their simple design makes them easy to install. This article will discuss the pros and cons of this style of collar. Let’s look at what you need to know before choosing a screw shaft clamp style collar. Here are some things to keep in mind.
Clamp-style shaft collars are a versatile mounting option for shafts. They have a recessed screw that fully engages the thread for secure locking. Screw shaft clamp collars come in different styles and can be used in both drive and power transmission applications. Listed below are the main differences between these 2 styles of collars. They are compatible with all types of shafts and are able to handle axial loads of up to 5500 pounds.
Clamp-style shaft collars are designed to prevent the screw from accidentally damaging the shaft when tightened. They can be tightened with a set screw to counteract the initial clamping force and prevent the shaft from coming loose. However, when tightening the screw, you should use a torque wrench. Using a set screw to tighten a screw shaft collar can cause it to warp and reduce the surface area that contacts the shaft.
Another key advantage to Clamp-style shaft collars is that they are easy to install. Clamp-style collars are available in one-piece and two-piece designs. These collars lock around the shaft and are easy to remove and install. They are ideal for virtually any shaft and can be installed without removing any components. This type of collar is also recommended for those who work on machines with sensitive components. However, be aware that the higher the OD, the more difficult it is to install and remove the collar.
Screw shaft clamp style collars are usually one-piece. A two-piece collar is easier to install than a one-piece one. The two-piece collars provide a more effective clamping force, as they use the full seating torque. Two-piece collars have the added benefit of being easy to install because they require no tools to install. You can disassemble one-piece collars before installing a two-piece collar.
screwshaft

Ball screw nut

The proper installation of a ball screw nut requires that the nut be installed on the center of the screw shaft. The return tubes of the ball nut must be oriented upward so that the ball nut will not overtravel. The adjusting nut must be tightened against a spacer or spring washer, then the nut is placed on the screw shaft. The nut should be rotated several times in both directions to ensure that it is centered.
Ball screw nuts are typically manufactured with a wide range of preloads. Large preloads are used to increase the rigidity of a ball screw assembly and prevent backlash, the lost motion caused by a clearance between the ball and nut. Using a large amount of preload can lead to excessive heat generation. The most common preload for ball screw nuts is 1 to 3%. This is usually more than enough to prevent backlash, but a higher preload will increase torque requirements.
The diameter of a ball screw is measured from its center, called the ball circle diameter. This diameter represents the distance a ball will travel during 1 rotation of the screw shaft. A smaller diameter means that there are fewer balls to carry the load. Larger leads mean longer travels per revolution and higher speeds. However, this type of screw cannot carry a greater load capacity. Increasing the length of the ball nut is not practical, due to manufacturing constraints.
The most important component of a ball screw is a ball bearing. This prevents excessive friction between the ball and the nut, which is common in lead-screw and nut combinations. Some ball screws feature preloaded balls, which avoid “wiggle” between the nut and the ball. This is particularly desirable in applications with rapidly changing loads. When this is not possible, the ball screw will experience significant backlash.
A ball screw nut can be either single or multiple circuits. Single or multiple-circuit ball nuts can be configured with 1 or 2 independent closed paths. Multi-circuit ball nuts have 2 or more circuits, making them more suitable for heavier loads. Depending on the application, a ball screw nut can be used for small clearance assemblies and compact sizes. In some cases, end caps and deflectors may be used to feed the balls back to their original position.

China best Portable Core Hydraulic Water Well Drilling Rig with high qualityChina best Portable Core Hydraulic Water Well Drilling Rig with high quality

China OEM Small Mobile Water Well Drilling Rig Hydraulic Drill Rig for 600m near me shop

Product Description

Small Mobile Water Well Drilling Rig Hydraulic Drill Rig for 600m

>> The JXY600T trailer mounted water well drilling rig is equipped with wheel running gear and hydraulic oil cylinder pillar,
transferring, convenient and easy to drill horizontal adjustment.
>> With hydraulic feed mechanism, improve drilling efficiency.
>> Advanced hydraulic system design makes the control handles concentrated, compact layout reasonable, easy operation,
flexible and reliable; Can realize remote speed change, more humanization operation;
>> It equipped with a pressure gauge instructions at the bottom of the bore pressure, easy to master the hole.
>> The drilling rig has 8 grades forward rotation speed and 2 grades reverse rotation speed, wide speed adjustable range.
>> Compact mechanical transmission structure, light weight, large diameter of spindle bore, hydraulic stabilizer legs, good
rigidity.

>> Characteristics

The hydraulic control drill mast can be raised and put down by the hydraulic cylinders,which increases labor safety; saves time and labor usage.The drilling rig adopts automatic telescopic mast, hydraulic cylinder support, hydraulic control drilling tower up and down, the operation saves time and labor, is safe and reliable.
>> Four long hydraulic stands can lift the machine to Max. height 1.3m so that the rig can be loaded and unload from the truck.
>> 24V electric start for diesel engine permits the rig to work in all kind of extreme weather condition.
>> The hydraulic tube twist machine can be installed, which saves time and increases the working efficiency to unload the rod.

>> Falling tower for hydraulic operation, convenient and reliable
>> Diesel engine with electric start, reduce labor intensity.

>> It is the most popular machine meeting most requirements for a combination drilling machine CZPT to complete rural water supply holes in sediments and hard rock.
>> High efficiency and low cost.

>> Specification

Drilling depth m 75 219 273 500 600
Drilling Dia. mm 600 210 150 80 60
Open hole Dia. mm 600
End hole Dia. mm 75
Drilling rod mm 42,50,60,76
Drilling angle   65-90°
Rotary Spindle
Spindle forward speed r/min 30-1050
Spindle reverse speed r/min 29-137
Spindle stroke mm 560
Spindle inner diameter mm 96
Spindle lifting capacity Kg 6000
Spindle Max.Torque N/M 3800
Main Winch (Hydraulic)
Single line lifting speed m/s 0.5-1.9
Tightrope diameter mm 12.5
Hoist single line lifting capacity Kg 4000
Roller diameter mm 300
Roller cubic measure m 50
Tools Winch
Tightrope diameter mm 6
Roller diameter mm 140
Roller cubic measure m 450
Drilling rig Power(choose 1 between the following two)
Diesel engine kw/hp 38/50
Electric motor KW 22kw
Trailer
Loading Capacity T 4
Walking Speed km/h 25
Mini turning radius m 6.8
Weight&Size
Weight kg 3000
Dimension mm 3700×1850×3200

>> Package & Shipment
>> Overseas Service&Project
>> Our Service

>> Pre-sale service

Acting as a good adviser, our well-trained sales groups and professional technical team propose most rational solutions for our valued client as per practical project requirement.

>> Select suitable model & matched equipment.

>> Strong technical support. Reply clients’ questions within 24 hours.

>> Service During Sales

We have responsible team from raw material to finished products, and guarantee 100% pass rate.

>> Design and manufacture products basis of client’s special equirement

>> Inspect each machine & matched accessories strictly before delivery

>> Timely inform client of production progress.

>> After Sales Service

We’re always with you in after-sale service.

>> We can arrange related after-sales representatives for debugging and training at worksite when starting up. >> E-mail, call or door-to-door service in later using.

>> About us

JCDRILL provide users high quality Mining & Drilling solutions,we always focus on the strategic conception of “Survival by quality, Development by credit”.

 

We have specilized in research, development and produce of rock blasting drilling rig, water well drilling rig, CZPT core drilling rig, anchor drilling rig, and relative accessories & drilling services. constantly provide professional drilling solutions for all customers with our advanced technology, excellent equipment, strict testing means and good service network, which establish our brand “JCDRILL” a good image of market, now,we products account for 50% of domestic market and have been export to more than 40 countries, and we awarded ISO9001: 2000 in November, 2002.

 

With excellent technology and solid market service capabilities, we have both a sound marketing system and excellent service support system, which help us win confidence of customers both at home and abroad,we can provide drilling rig users with high quality professional air compressor solution and relative after-sales service also.

 

>> Certification

>> FAQ

Q: Are you original manufacturer?

 

 Q: Which payment terms are available to us? Q: Which Incoterms 2571 terms can we work?

A: Yes, we CZPT is a official leading manufacture in drilling machinery in China and we have the whole series products you need.

 

 

A: T/T term or L/C term. On T/T term, 30% down payment is required in advance, and 70% balance shall be settled before shipment. On L/C term, a 100% irrevocable L/C without “soft clauses” can be accepted.

A: We CZPT are a professional and international company, accept all Incoterms 2571 terms, normally we work on FOB, CIF, CFR, CIP.

 

 
Q: How long will the delivery time take? Q: How about after sales service? Q:Spare Parts When You Need Them

A: Normally products will take about 3-15 days to produce the ordered machines. Most of the time, we can have an immediate delivery of our regular machines in 15 days.

 

 A: 365×24 Year-round Service We are committed to year-round 24-hour service even during holidays, in line with our policy of always providing “a response within 15 minutes and job completion within 24 hours.”

A:We have spare parts centers across continents that stock specialist spare parts. We promise that spare parts will be delivered within 72 hours or no more than 1 week.

 

>> Related Products

What Are the Advantages of a Splined Shaft?

If you are looking for the right splined shaft for your machine, you should know a few important things. First, what type of material should be used? Stainless steel is usually the most appropriate choice, because of its ability to offer low noise and fatigue failure. Secondly, it can be machined using a slotting or shaping machine. Lastly, it will ensure smooth motion. So, what are the advantages of a splined shaft?
Stainless steel is the best material for splined shafts

When choosing a splined shaft, you should consider its hardness, quality, and finish. Stainless steel has superior corrosion and wear resistance. Carbon steel is another good material for splined shafts. Carbon steel has a shallow carbon content (about 1.7%), which makes it more malleable and helps ensure smooth motion. But if you’re not willing to spend the money on stainless steel, consider other options.
There are 2 main types of splines: parallel splines and crowned splines. Involute splines have parallel grooves and allow linear and rotary motion. Helical splines have involute teeth and are oriented at an angle. This type allows for many teeth on the shaft and minimizes the stress concentration in the stationary joint.
Large evenly spaced splines are widely used in hydraulic systems, drivetrains, and machine tools. They are typically made from carbon steel (CR10) and stainless steel (AISI 304). This material is durable and meets the requirements of ISO 14-B, formerly DIN 5463-B. Splined shafts are typically made of stainless steel or C45 steel, though there are many other materials available.
Stainless steel is the best material for a splined shaft. This metal is also incredibly affordable. In most cases, stainless steel is the best choice for these shafts because it offers the best corrosion resistance. There are many different types of splined shafts, and each 1 is suited for a particular application. There are also many different types of stainless steel, so choose stainless steel if you want the best quality.
For those looking for high-quality splined shafts, CZPT Spline Shafts offer many benefits. They can reduce costs, improve positional accuracy, and reduce friction. With the CZPT TFE coating, splined shafts can reduce energy and heat buildup, and extend the life of your products. And, they’re easy to install – all you need to do is install them.
splineshaft

They provide low noise, low wear and fatigue failure

The splines in a splined shaft are composed of 2 main parts: the spline root fillet and the spline relief. The spline root fillet is the most critical part, because fatigue failure starts there and propagates to the relief. The spline relief is more susceptible to fatigue failure because of its involute tooth shape, which offers a lower stress to the shaft and has a smaller area of contact.
The fatigue life of splined shafts is determined by measuring the S-N curve. This is also known as the Wohler curve, and it is the relationship between stress amplitude and number of cycles. It depends on the material, geometry and way of loading. It can be obtained from a physical test on a uniform material specimen under a constant amplitude load. Approximations for low-alloy steel parts can be made using a lower-alloy steel material.
Splined shafts provide low noise, minimal wear and fatigue failure. However, some mechanical transmission elements need to be removed from the shaft during assembly and manufacturing processes. The shafts must still be capable of relative axial movement for functional purposes. As such, good spline joints are essential to high-quality torque transmission, minimal backlash, and low noise. The major failure modes of spline shafts include fretting corrosion, tooth breakage, and fatigue failure.
The outer disc carrier spline is susceptible to tensile stress and fatigue failure. High customer demands for low noise and low wear and fatigue failure makes splined shafts an excellent choice. A fractured spline gear coupling was received for analysis. It was installed near the top of a filter shaft and inserted into the gearbox motor. The service history was unknown. The fractured spline gear coupling had longitudinally cracked and arrested at the termination of the spline gear teeth. The spline gear teeth also exhibited wear and deformation.
A new spline coupling method detects fault propagation in hollow cylindrical splined shafts. A spline coupling is fabricated using an AE method with the spline section unrolled into a metal plate of the same thickness as the cylinder wall. In addition, the spline coupling is misaligned, which puts significant concentration on the spline teeth. This further accelerates the rate of fretting fatigue and wear.
A spline joint should be lubricated after 25 hours of operation. Frequent lubrication can increase maintenance costs and cause downtime. Moreover, the lubricant may retain abrasive particles at the interfaces. In some cases, lubricants can even cause misalignment, leading to premature failure. So, the lubrication of a spline coupling is vital in ensuring proper functioning of the shaft.
The design of a spline coupling can be optimized to enhance its wear resistance and reliability. Surface treatments, loads, and rotation affect the friction properties of a spline coupling. In addition, a finite element method was developed to predict wear of a floating spline coupling. This method is feasible and provides a reliable basis for predicting the wear and fatigue life of a spline coupling.
splineshaft

They can be machined using a slotting or shaping machine

Machines can be used to shape splined shafts in a variety of industries. They are useful in many applications, including gearboxes, braking systems, and axles. A slotted shaft can be manipulated in several ways, including hobbling, broaching, and slotting. In addition to shaping, splines are also useful in reducing bar diameter.
When using a slotting or shaping machine, the workpiece is held against a pedestal that has a uniform thickness. The machine is equipped with a stand column and limiting column (Figure 1), each positioned perpendicular to the upper surface of the pedestal. The limiting column axis is located on the same line as the stand column. During the slotting or shaping process, the tool is fed in and out until the desired space is achieved.
One process involves cutting splines into a shaft. Straddle milling, spline shaping, and spline cutting are 2 common processes used to create splined shafts. Straddle milling involves a fixed indexing fixture that holds the shaft steady, while rotating milling cutters cut the groove in the length of the shaft. Several passes are required to ensure uniformity throughout the spline.
Splines are a type of gear. The ridges or teeth on the drive shaft mesh with grooves in the mating piece. A splined shaft allows the transmission of torque to a mate piece while maximizing the power transfer. Splines are used in heavy vehicles, construction, agriculture, and massive earthmoving machinery. Splines are used in virtually every type of rotary motion, from axles to transmission systems. They also offer better fatigue life and reliability.
Slotting or shaping machines can also be used to shape splined shafts. Slotting machines are often used to machine splined shafts, because it is easier to make them with these machines. Using a slotting or shaping machine can result in splined shafts of different sizes. It is important to follow a set of spline standards to ensure your parts are manufactured to the highest standards.
A milling machine is another option for producing splined shafts. A spline shaft can be set up between 2 centers in an indexing fixture. Two side milling cutters are mounted on an arbor and a spacer and shims are inserted between them. The arbor and cutters are then mounted to a milling machine spindle. To make sure the cutters center themselves over the splined shaft, an adjustment must be made to the spindle of the machine.
The machining process is very different for internal and external splines. External splines can be broached, shaped, milled, or hobbed, while internal splines cannot. These machines use hard alloy, but they are not as good for internal splines. A machine with a slotting mechanism is necessary for these operations.

China OEM Small Mobile Water Well Drilling Rig Hydraulic Drill Rig for 600m near me shop China OEM Small Mobile Water Well Drilling Rig Hydraulic Drill Rig for 600m near me shop

China high quality Hydraulic Water Well Drilling Rig Underground Water Drilling Machine Price with Hot selling

Product Description

Hydraulic rotary CZPT core rig drilling machine for hitachi

Production Description                                                                                                           
YG series hydraulic water well drilling rig is mainly used for water well, geological general investigation and
exploration,kinds of hole in concrete structure,road and tall building foundation exploration,river levees,
subgrade grouting hole drilling and direct grouting,civil wells and earth temperature central air conditioner,etc.

Feature                                                                                                                                        

1.Engine:Feed by hydraulic cylinder,the drilling efficiency is higher and it can save labor.
2.Drill rod:53×59 drilling rod adopted,high rigidity and strong delivery torque.
3.Spindle:Vertical spindle are fixed by 4 groups of bearing to ensure that the rotary machine is rigid
    enough for gravel layer and other complex geoloical conditions.
4.Mud pump:Equip mud pump with flow 160L/min,save cost and also make the structure compact.
5.Concentrated handle, small footprint,light weight, strong decomposition, easy to move.

Technical Parameter                                                                                                                  

The whole machine parameters
Model YG-130Y/130YY YG-180Y/180YY YG-200Y/200YY
Drill hole depth 130m 180m 200m
Maximum opening diameter 220mm 220mm 325mm
Final hole diameter 75mm 75mm 75mm
Drill pipe diameter Φ42mm,50mm,60mm Φ42mm,50mm,60mm Φ42mm,50mm,60mm
Borehole inclination 90°- 75° 90°- 75° 90°- 75°
Power(diesel engine) 13.2/2200kw/r/min 13.2/2200kw/r/min 15/2200kw/r/min
Motor 22KW 36kw 42kw
Vertical shaft
Vertical spindle speed 142,285,570r/min 130,480,730,1045r/min 130,480,730,1045r/mi
Vertical stroke 450mm 450mm 450mm
Hoist
Single line lifting capacity 20KN 21KN 25KN
Single rope lifting speed 0.41-1.64m/s 0.35-2.23m/s 0.12-0.95m/s
Drum diameter Φ140mm Φ140mm Φ140mm
Diameter of wire rope Φ9.3mm Φ9.3mm Φ13mm
Wire rope capacity 27m 27m 35m
Mud pump
Model BW160 BW160 BW250
Flow 160L/min 160L/min 250L/min
Maximum pressure 12Mpa 12Mpa 17Mpa
Reciprocating frequency 93times/min 93times/min 93times/min
Water inlet diameter Φ51mm Φ51mm Φ75mm
Water to exit diameter Φ32mm Φ32mm Φ50mm
Drilling Tower
Rated load 18Ton 18Ton 18Ton
Effective height 6.5m 7.5m 9m
Tower leg spec. Φ73mm Φ73mm Φ73mm

Package                                                                                                                                        
                      
Water well drilling rig machine use Standard export wooden case or as your requirement.


                                          

Company Information                                                                                                                
ZheJiang CZPT Machinery Co., Ltd., located in Xihu (West Lake) Dis. District of HangZhou City, ZheJiang Province, is a large
engineering machinery manufacturing enterprise which focuses on research and development, production
and sales of drilling equipment in mining, tunnel, road and bridge construction. We can produce sets of
construction system equipment such as drilling machine, road construction machine and demolition cutting
machine, etc. Technical design, material purchasing, precise manufacturing and strict quality inspection are
all processed according to top standard. “Quality First, Reputation First, Be Innovative, Be Excellent.” has
always been our purpose. We warmly welcome your corporation from all fields and build great future for us all.

Our Certification                                                                                                                         

Purchase Assurance                                                                                                                
High quality raw material suppliers provide us stable and excellent performance machines; skilled and 
responsible engineers, technicians and workers keep our production line proceed well-organized; we’ll
test running every machine before delivery, to make sure it works well in clients’ construction sites; all
machines have one–year warranty and lifelong maintenance, our sales manager provide elaborate 
machine-related consulting service and technical assistance during pre and after-sales, to make sure
clients are proficient in operating our machines.

Contact Us                                                                                                                                   

Reated product                                                                                                                          

What Are Screw Shaft Threads?

A screw shaft is a threaded part used to fasten other components. The threads on a screw shaft are often described by their Coefficient of Friction, which describes how much friction is present between the mating surfaces. This article discusses these characteristics as well as the Material and Helix angle. You’ll have a better understanding of your screw shaft’s threads after reading this article. Here are some examples. Once you understand these details, you’ll be able to select the best screw nut for your needs.
screwshaft

Coefficient of friction between the mating surfaces of a nut and a screw shaft

There are 2 types of friction coefficients. Dynamic friction and static friction. The latter refers to the amount of friction a nut has to resist an opposing motion. In addition to the material strength, a higher coefficient of friction can cause stick-slip. This can lead to intermittent running behavior and loud squeaking. Stick-slip may lead to a malfunctioning plain bearing. Rough shafts can be used to improve this condition.
The 2 types of friction coefficients are related to the applied force. When applying force, the applied force must equal the nut’s pitch diameter. When the screw shaft is tightened, the force may be removed. In the case of a loosening clamp, the applied force is smaller than the bolt’s pitch diameter. Therefore, the higher the property class of the bolt, the lower the coefficient of friction.
In most cases, the screwface coefficient of friction is lower than the nut face. This is because of zinc plating on the joint surface. Moreover, power screws are commonly used in the aerospace industry. Whether or not they are power screws, they are typically made of carbon steel, alloy steel, or stainless steel. They are often used in conjunction with bronze or plastic nuts, which are preferred in higher-duty applications. These screws often require no holding brakes and are extremely easy to use in many applications.
The coefficient of friction between the mating surfaces of t-screws is highly dependent on the material of the screw and the nut. For example, screws with internal lubricated plastic nuts use bearing-grade bronze nuts. These nuts are usually used on carbon steel screws, but can be used with stainless steel screws. In addition to this, they are easy to clean.

Helix angle

In most applications, the helix angle of a screw shaft is an important factor for torque calculation. There are 2 types of helix angle: right and left hand. The right hand screw is usually smaller than the left hand one. The left hand screw is larger than the right hand screw. However, there are some exceptions to the rule. A left hand screw may have a greater helix angle than a right hand screw.
A screw’s helix angle is the angle formed by the helix and the axial line. Although the helix angle is not usually changed, it can have a significant effect on the processing of the screw and the amount of material conveyed. These changes are more common in 2 stage and special mixing screws, and metering screws. These measurements are crucial for determining the helix angle. In most cases, the lead angle is the correct angle when the screw shaft has the right helix angle.
High helix screws have large leads, sometimes up to 6 times the screw diameter. These screws reduce the screw diameter, mass, and inertia, allowing for higher speed and precision. High helix screws are also low-rotation, so they minimize vibrations and audible noises. But the right helix angle is important in any application. You must carefully choose the right type of screw for the job at hand.
If you choose a screw gear that has a helix angle other than parallel, you should select a thrust bearing with a correspondingly large center distance. In the case of a screw gear, a 45-degree helix angle is most common. A helix angle greater than zero degrees is also acceptable. Mixing up helix angles is beneficial because it allows for a variety of center distances and unique applications.
screwshaft

Thread angle

The thread angle of a screw shaft is measured from the base of the head of the screw to the top of the screw’s thread. In America, the standard screw thread angle is 60 degrees. The standard thread angle was not widely adopted until the early twentieth century. A committee was established by the Franklin Institute in 1864 to study screw threads. The committee recommended the Sellers thread, which was modified into the United States Standard Thread. The standardized thread was adopted by the United States Navy in 1868 and was recommended for construction by the Master Car Builders’ Association in 1871.
Generally speaking, the major diameter of a screw’s threads is the outside diameter. The major diameter of a nut is not directly measured, but can be determined with go/no-go gauges. It is necessary to understand the major and minor diameters in relation to each other in order to determine a screw’s thread angle. Once this is known, the next step is to determine how much of a pitch is necessary to ensure a screw’s proper function.
Helix angle and thread angle are 2 different types of angles that affect screw efficiency. For a lead screw, the helix angle is the angle between the helix of the thread and the line perpendicular to the axis of rotation. A lead screw has a greater helix angle than a helical one, but has higher frictional losses. A high-quality lead screw requires a higher torque to rotate. Thread angle and lead angle are complementary angles, but each screw has its own specific advantages.
Screw pitch and TPI have little to do with tolerances, craftsmanship, quality, or cost, but rather the size of a screw’s thread relative to its diameter. Compared to a standard screw, the fine and coarse threads are easier to tighten. The coarser thread is deeper, which results in lower torques. If a screw fails because of torsional shear, it is likely to be a result of a small minor diameter.

Material

Screws have a variety of different sizes, shapes, and materials. They are typically machined on CNC machines and lathes. Each type is used for different purposes. The size and material of a screw shaft are influenced by how it will be used. The following sections give an overview of the main types of screw shafts. Each 1 is designed to perform a specific function. If you have questions about a specific type, contact your local machine shop.
Lead screws are cheaper than ball screws and are used in light-duty, intermittent applications. Lead screws, however, have poor efficiency and are not recommended for continuous power transmission. But, they are effective in vertical applications and are more compact. Lead screws are typically used as a kinematic pair with a ball screw. Some types of lead screws also have self-locking properties. Because they have a low coefficient of friction, they have a compact design and very few parts.
Screws are made of a variety of metals and alloys. Steel is an economical and durable material, but there are also alloy steel and stainless steel types. Bronze nuts are the most common and are often used in higher-duty applications. Plastic nuts provide low-friction, which helps reduce the drive torques. Stainless steel screws are also used in high-performance applications, and may be made of titanium. The materials used to create screw shafts vary, but they all have their specific functions.
Screws are used in a wide range of applications, from industrial and consumer products to transportation equipment. They are used in many different industries, and the materials they’re made of can determine their life. The life of a screw depends on the load that it bears, the design of its internal structure, lubrication, and machining processes. When choosing screw assemblies, look for a screw made from the highest quality steels possible. Usually, the materials are very clean, so they’re a great choice for a screw. However, the presence of imperfections may cause a normal fatigue failure.
screwshaft

Self-locking features

Screws are known to be self-locking by nature. The mechanism for this feature is based on several factors, such as the pitch angle of the threads, material pairing, lubrication, and heating. This feature is only possible if the shaft is subjected to conditions that are not likely to cause the threads to loosen on their own. The self-locking ability of a screw depends on several factors, including the pitch angle of the thread flank and the coefficient of sliding friction between the 2 materials.
One of the most common uses of screws is in a screw top container lid, corkscrew, threaded pipe joint, vise, C-clamp, and screw jack. Other applications of screw shafts include transferring power, but these are often intermittent and low-power operations. Screws are also used to move material in Archimedes’ screw, auger earth drill, screw conveyor, and micrometer.
A common self-locking feature for a screw is the presence of a lead screw. A screw with a low PV value is safe to operate, but a screw with high PV will need a lower rotation speed. Another example is a self-locking screw that does not require lubrication. The PV value is also dependent on the material of the screw’s construction, as well as its lubrication conditions. Finally, a screw’s end fixity – the way the screw is supported – affects the performance and efficiency of a screw.
Lead screws are less expensive and easier to manufacture. They are a good choice for light-weight and intermittent applications. These screws also have self-locking capabilities. They can be self-tightened and require less torque for driving than other types. The advantage of lead screws is their small size and minimal number of parts. They are highly efficient in vertical and intermittent applications. They are not as accurate as lead screws and often have backlash, which is caused by insufficient threads.

China high quality Hydraulic Water Well Drilling Rig Underground Water Drilling Machine Price with Hot sellingChina high quality Hydraulic Water Well Drilling Rig Underground Water Drilling Machine Price with Hot selling

China OEM 200m Depth Trailer Mounted Rotary Hydraulic Irrigation Water Well Drilling Rig Machine with Good quality

Product Description

 

Products Description

Characteristics of XYC-200A tricycle-mounted hydraulic core drilling rig
XYC-200A tricycle-mounted hydraulic core drilling rig is multi-function hydraulic vehicle-mounted core drilling machine .
The tricycle is Tricar. The drilling rig, engine, BW-160 pump and hydraulic drill tower are all installed on the tricycle, so it
us easy for transportation.
XYC-200A tricycle-mounted hydraulic core drilling rig with BW160 pump which has high pressure and high flux, to ensure the
drilling depth and hole diameter.
The tricycle drilling rig is equipped with shift unit,so the drilling rig can move back and forth
The highest speed can reach 1045r/min with 5 gears, which improves the drilling efficiency
The drilling rig is Adopted 53*59 drilling rod, which has high rigidity and strong delivery torque
Equipped with taper clutch, made the machine easy to operate and free of maintenance.
Use large module planetary gear and add supporting frame, highly increased hoisting and braking ability of the winch.
Vertical spindle are fixed by 4 groups of bearings to ensure that the core rig is rigid enough for gravel layer and other
complex geological conditions.

 

Drilling depth 200m
Max. open hole diameter 75-260mm
End hole diameter(mm) 75
Drill rod diameter 50mm
Drilling tower height 6500mm
Drilling angle 90-75
Spindle
Spindle speed 64/128/287/557r/min
Spindle stroke 450mm
Hoist
Max. single line hoisting capacity 1600kg
Single line lifting speed 17/35/75/151r/min
Tightrope diameter 12.5mm
Tightrope cubic measure 35mm
Hug floodgate belt width 70mm
Mud Pump
Type Horizontal Single Urn Twin-action
Discharge displacement 170l/min.
Diesel S1115 22HP
Electric motor 15kw,1440r/min
Max. pressure 1.5mpa
Work pressure 0.7mpa
Water inlet diameter 30mm
Water outlet diameter 25mm
Triangle conveyre belt B1728mm
Chassis
Chassis Tricar(Pictures of vehicle-mounted drilling rigs for reference only)

Product Overviews

Company Profile

Certificate

 

 

FAQ

 

 

 

 

How to Select a Worm Shaft and Gear For Your Project

You will learn about axial pitch PX and tooth parameters for a Worm Shaft 20 and Gear 22. Detailed information on these 2 components will help you select a suitable Worm Shaft. Read on to learn more….and get your hands on the most advanced gearbox ever created! Here are some tips for selecting a Worm Shaft and Gear for your project!…and a few things to keep in mind.
worm shaft

Gear 22

The tooth profile of Gear 22 on Worm Shaft 20 differs from that of a conventional gear. This is because the teeth of Gear 22 are concave, allowing for better interaction with the threads of the worm shaft 20. The worm’s lead angle causes the worm to self-lock, preventing reverse motion. However, this self-locking mechanism is not entirely dependable. Worm gears are used in numerous industrial applications, from elevators to fishing reels and automotive power steering.
The new gear is installed on a shaft that is secured in an oil seal. To install a new gear, you first need to remove the old gear. Next, you need to unscrew the 2 bolts that hold the gear onto the shaft. Next, you should remove the bearing carrier from the output shaft. Once the worm gear is removed, you need to unscrew the retaining ring. After that, install the bearing cones and the shaft spacer. Make sure that the shaft is tightened properly, but do not over-tighten the plug.
To prevent premature failures, use the right lubricant for the type of worm gear. A high viscosity oil is required for the sliding action of worm gears. In two-thirds of applications, lubricants were insufficient. If the worm is lightly loaded, a low-viscosity oil may be sufficient. Otherwise, a high-viscosity oil is necessary to keep the worm gears in good condition.
Another option is to vary the number of teeth around the gear 22 to reduce the output shaft’s speed. This can be done by setting a specific ratio (for example, 5 or 10 times the motor’s speed) and modifying the worm’s dedendum accordingly. This process will reduce the output shaft’s speed to the desired level. The worm’s dedendum should be adapted to the desired axial pitch.

Worm Shaft 20

When selecting a worm gear, consider the following things to consider. These are high-performance, low-noise gears. They are durable, low-temperature, and long-lasting. Worm gears are widely used in numerous industries and have numerous benefits. Listed below are just some of their benefits. Read on for more information. Worm gears can be difficult to maintain, but with proper maintenance, they can be very reliable.
The worm shaft is configured to be supported in a frame 24. The size of the frame 24 is determined by the center distance between the worm shaft 20 and the output shaft 16. The worm shaft and gear 22 may not come in contact or interfere with 1 another if they are not configured properly. For these reasons, proper assembly is essential. However, if the worm shaft 20 is not properly installed, the assembly will not function.
Another important consideration is the worm material. Some worm gears have brass wheels, which may cause corrosion in the worm. In addition, sulfur-phosphorous EP gear oil activates on the brass wheel. These materials can cause significant loss of load surface. Worm gears should be installed with high-quality lubricant to prevent these problems. There is also a need to choose a material that is high-viscosity and has low friction.
Speed reducers can include many different worm shafts, and each speed reducer will require different ratios. In this case, the speed reducer manufacturer can provide different worm shafts with different thread patterns. The different thread patterns will correspond to different gear ratios. Regardless of the gear ratio, each worm shaft is manufactured from a blank with the desired thread. It will not be difficult to find 1 that fits your needs.
worm shaft

Gear 22’s axial pitch PX

The axial pitch of a worm gear is calculated by using the nominal center distance and the Addendum Factor, a constant. The Center Distance is the distance from the center of the gear to the worm wheel. The worm wheel pitch is also called the worm pitch. Both the dimension and the pitch diameter are taken into consideration when calculating the axial pitch PX for a Gear 22.
The axial pitch, or lead angle, of a worm gear determines how effective it is. The higher the lead angle, the less efficient the gear. Lead angles are directly related to the worm gear’s load capacity. In particular, the angle of the lead is proportional to the length of the stress area on the worm wheel teeth. A worm gear’s load capacity is directly proportional to the amount of root bending stress introduced by cantilever action. A worm with a lead angle of g is almost identical to a helical gear with a helix angle of 90 deg.
In the present invention, an improved method of manufacturing worm shafts is described. The method entails determining the desired axial pitch PX for each reduction ratio and frame size. The axial pitch is established by a method of manufacturing a worm shaft that has a thread that corresponds to the desired gear ratio. A gear is a rotating assembly of parts that are made up of teeth and a worm.
In addition to the axial pitch, a worm gear’s shaft can also be made from different materials. The material used for the gear’s worms is an important consideration in its selection. Worm gears are usually made of steel, which is stronger and corrosion-resistant than other materials. They also require lubrication and may have ground teeth to reduce friction. In addition, worm gears are often quieter than other gears.

Gear 22’s tooth parameters

A study of Gear 22’s tooth parameters revealed that the worm shaft’s deflection depends on various factors. The parameters of the worm gear were varied to account for the worm gear size, pressure angle, and size factor. In addition, the number of worm threads was changed. These parameters are varied based on the ISO/TS 14521 reference gear. This study validates the developed numerical calculation model using experimental results from Lutz and FEM calculations of worm gear shafts.
Using the results from the Lutz test, we can obtain the deflection of the worm shaft using the calculation method of ISO/TS 14521 and DIN 3996. The calculation of the bending diameter of a worm shaft according to the formulas given in AGMA 6022 and DIN 3996 show a good correlation with test results. However, the calculation of the worm shaft using the root diameter of the worm uses a different parameter to calculate the equivalent bending diameter.
The bending stiffness of a worm shaft is calculated through a finite element model (FEM). Using a FEM simulation, the deflection of a worm shaft can be calculated from its toothing parameters. The deflection can be considered for a complete gearbox system as stiffness of the worm toothing is considered. And finally, based on this study, a correction factor is developed.
For an ideal worm gear, the number of thread starts is proportional to the size of the worm. The worm’s diameter and toothing factor are calculated from Equation 9, which is a formula for the worm gear’s root inertia. The distance between the main axes and the worm shaft is determined by Equation 14.
worm shaft

Gear 22’s deflection

To study the effect of toothing parameters on the deflection of a worm shaft, we used a finite element method. The parameters considered are tooth height, pressure angle, size factor, and number of worm threads. Each of these parameters has a different influence on worm shaft bending. Table 1 shows the parameter variations for a reference gear (Gear 22) and a different toothing model. The worm gear size and number of threads determine the deflection of the worm shaft.
The calculation method of ISO/TS 14521 is based on the boundary conditions of the Lutz test setup. This method calculates the deflection of the worm shaft using the finite element method. The experimentally measured shafts were compared to the simulation results. The test results and the correction factor were compared to verify that the calculated deflection is comparable to the measured deflection.
The FEM analysis indicates the effect of tooth parameters on worm shaft bending. Gear 22’s deflection on Worm Shaft can be explained by the ratio of tooth force to mass. The ratio of worm tooth force to mass determines the torque. The ratio between the 2 parameters is the rotational speed. The ratio of worm gear tooth forces to worm shaft mass determines the deflection of worm gears. The deflection of a worm gear has an impact on worm shaft bending capacity, efficiency, and NVH. The continuous development of power density has been achieved through advancements in bronze materials, lubricants, and manufacturing quality.
The main axes of moment of inertia are indicated with the letters A-N. The three-dimensional graphs are identical for the seven-threaded and one-threaded worms. The diagrams also show the axial profiles of each gear. In addition, the main axes of moment of inertia are indicated by a white cross.

China OEM 200m Depth Trailer Mounted Rotary Hydraulic Irrigation Water Well Drilling Rig Machine with Good qualityChina OEM 200m Depth Trailer Mounted Rotary Hydraulic Irrigation Water Well Drilling Rig Machine with Good quality