Product Description

Tri-Axles 60ton Low Bed Semi Truck Trailer China Heavy Duty 4 Axles 80 Tons Drop Deck Low Bed Semi Trailer with Hydraulic Ramps

MAIN PERFORMANCE                                
 

Product Specification
1	Type	Semitrailer
2	Product Name	Low Bed Semitrailer
3	Dimension	13000x3000x1600mm
4	Tare Weight	9240kg
5	Payload	44t
6	Running System	Axles	FUWA , BPW, CZPT brand,13t/16t/20t Good quality axles
		Suspension	Tri-axle 10-pcs leaf spring suspension with equalizer beam (we can choose the Air suspension depend on customer requirement)
		Tires	Linglong, Double Coin, Triangle brand 11.00R20/8.25R20/12.00R22.5, 12unit
7	Ladder	Manually operated or Hydraulic type
8	Braking System	Dual lines pneumatic brake system, WABCO Emergency  Relay Valve; KORMEE ABS braking system
9	Frame	Main Beam		Q345B steel,Height 500, upper 16mm,  lower 18mm. Mid web 10mm
		Cross Beam		Mild Alloy Q235
10	King Pin	Size: 50# (2”) or 90#(3.5”); Type: welded or assembled
11	Landing Gear	FUWA, JOST Brand Single side operation or double side operation,  Static capacity 28Ton
12	Electrical & Paint	Electrical		Rear light, rear reflector, turn indicative light, side reflector, fog lamp, number plate light
		Lights & Reflectors		24V, 7 lines
		Painting		zinc-rich primer and modified urethane topcoat as customers’ choices.
		Accessories		TOOL BOX (BOX ONLY)—PROVIDED WITH THE TRAILER TWO SPARE WHEEL HOLDER(WINCH),BUT NO SPARE TYRES

I.The Application and the Technical Highlights:

—The low bed semitrailers are mainly suitable for the MID/Long distance transportation of mechanical equipment, large objects, highway construction equipment, large tanks, power plant equipment or machine, and all sorts of steel products.

—The low bed semitrailer can bed divide into flat bed low bed trailer, concave low bed trailer, tyres appear low bed trailer, tyres covered low bed trailer. The concave low bed trailer structured with tyre appeared style, the height of the cargo’s carrying platform from ground is 900mm.-Low platform makes the stable transportation.

—The chassis is ladder type,longitudinal beam section is H-shaped. It has good rigidity and high strength.
— High Quality Body and high-10sile steel for heavy loading capacity
— BPW, CZPT or Certificated Chinese Axles
—ABS brake system
—WABCO Vehicle Control System
—JOST ,FUWA or Chinese brand parking leg and king pin
—Air and Mechanical Suspension
—Strengthen the Chassis Instructure

II.The Advantage
***Frame:using the advanced assembly welded equipments to weld the space frame structure which formed by welded-type longitudinal beam (made of 16Mn steel plate) and the whole Run-through cross beam.Our consider the strength,stiffness and toughness of the frame and design the frame is strong enough to carry the heavy cargo.
***Suspension: Lightweight design.High-strength material with strong carrying capacity, remarkable wear resistance property and performance stability and long service life.Wheel Track adjustable easily and accurately, which protect the tires from abnormal wear.Passed strict bench testing and road testing.
***Axle:Specially processed one-piece spindle of high quality low alloy steel, which possesses strong loading capacity, long life, light weight and remarkable performance.High machining precision of the braking system makes the braking performance more stable. 

III.Advanced Process
~~~Design Drawing: Before production, we will sent the design drawing to our customer to confirm the detail of the vehicle. We hope we can supply the most suitable product to our customer.

~~~Cutting and Welding: The I beam cutting adopt the Computer Numerical Control Plasma Cutting Machine. The I beam welding adopt the Gantry Main Sill Welding Machine.

~~~The Beam Welding: Main beam and side beam all use I-shaped beam, it can ensure the trailer more durable.Reinforced rear plate can avoid the rear plate was broken away when heavy duty machines climbing the ramp of trailer.

~~~Surface Treatment: In order to remove the rust of the trailer body, we use the sand blasting to retreat the surface of the trailer.
The trailer can have the beautiful appearance,the painting will be coating evenly, firm adhension, gloss more durable

~~~Painting: One layer of the anti-rust painting, 2 layer of painting

~~~Test: We will test the quality of the trailer before delivery.

IV.The Detail of the Low Bed Trailer

V. Classification Of The Low Bed Trailer

VI. Guarrantee For The Parts Of The Low Bed Traielr:

ITEM NAME			WARRANTY	ITEM NAME		WARRANTY
MAIN FRAME	FRAME		1 YEAR	RUNNING GEAR	AXLE	6 MONTHS
	SUSPENSION		6 MONTHS		AXLE BEARING	3 MONTHS
	KING PIN		1 YEAR		WHEEL HUB	3 MONTHS
	BALANCE ARM		3 MONTHS
ITEM NAME			WARRANTY	ITEM NAME		WARRANTY
BRAKING DEVICE		BRAKE DRUM	3 MONTHS	SUPPORT DEVICE	LXIHU (WEST LAKE) DIS. GEAR	6 MONTHS
		BRKE CHAMBER	3 MONTHS		SPARE WHEEL  CARRIER	6 MONTHS
		AIR RESERVOIR	6 MONTHS
ITEM NAME					WARRANTY
OTHERS		LEAF SPRING			3 MONTHS
		BRAKE CHAMBER DIAPHRAGM			3 MONTHS
		EMERGENCY RELAY VALVE			3 MONTHS
		BRAKE SHOE			3 MONTHS
		RELAY VALVE			3 MONTHS

VII. DEALING PROCESS

1. You send us an inquiries on your desired trailer through our contact information.
2. We shall reply you in 12 hours after we received our inquiry.
3. We will negotiate the detail of the trailer on your requirement.
4. Confirmed on the tech data.
5. Sign contract.
6.30% down payment or LC issuing.
7. Production
8. The Manufacturig process with updated news.
9. The Production completement.
10.Balance payment .
11.Arrange Shipment and Custom Clearance
12. A/S service for 1 year. 

Tri-Axles Low Bed Semi Trailer

Calculating the Deflection of a Worm Shaft

In this article, we’ll discuss how to calculate the deflection of a worm gear’s worm shaft. We’ll also discuss the characteristics of a worm gear, including its tooth forces. And we’ll cover the important characteristics of a worm gear. Read on to learn more! Here are some things to consider before purchasing a worm gear. We hope you enjoy learning! After reading this article, you’ll be well-equipped to choose a worm gear to match your needs.

Calculation of worm shaft deflection

The main goal of the calculations is to determine the deflection of a worm. Worms are used to turn gears and mechanical devices. This type of transmission uses a worm. The worm diameter and the number of teeth are inputted into the calculation gradually. Then, a table with proper solutions is shown on the screen. After completing the table, you can then move on to the main calculation. You can change the strength parameters as well.
The maximum worm shaft deflection is calculated using the finite element method (FEM). The model has many parameters, including the size of the elements and boundary conditions. The results from these simulations are compared to the corresponding analytical values to calculate the maximum deflection. The result is a table that displays the maximum worm shaft deflection. The tables can be downloaded below. You can also find more information about the different deflection formulas and their applications.
The calculation method used by DIN EN 10084 is based on the hardened cemented worm of 16MnCr5. Then, you can use DIN EN 10084 (CuSn12Ni2-C-GZ) and DIN EN 1982 (CuAl10Fe5Ne5-C-GZ). Then, you can enter the worm face width, either manually or using the auto-suggest option.
Common methods for the calculation of worm shaft deflection provide a good approximation of deflection but do not account for geometric modifications on the worm. While Norgauer’s 2021 approach addresses these issues, it fails to account for the helical winding of the worm teeth and overestimates the stiffening effect of gearing. More sophisticated approaches are required for the efficient design of thin worm shafts.
Worm gears have a low noise and vibration compared to other types of mechanical devices. However, worm gears are often limited by the amount of wear that occurs on the softer worm wheel. Worm shaft deflection is a significant influencing factor for noise and wear. The calculation method for worm gear deflection is available in ISO/TR 14521, DIN 3996, and AGMA 6022.
The worm gear can be designed with a precise transmission ratio. The calculation involves dividing the transmission ratio between more stages in a gearbox. Power transmission input parameters affect the gearing properties, as well as the material of the worm/gear. To achieve a better efficiency, the worm/gear material should match the conditions that are to be experienced. The worm gear can be a self-locking transmission.
The worm gearbox contains several machine elements. The main contributors to the total power loss are the axial loads and bearing losses on the worm shaft. Hence, different bearing configurations are studied. One type includes locating/non-locating bearing arrangements. The other is tapered roller bearings. The worm gear drives are considered when locating versus non-locating bearings. The analysis of worm gear drives is also an investigation of the X-arrangement and four-point contact bearings.

Influence of tooth forces on bending stiffness of a worm gear

The bending stiffness of a worm gear is dependent on tooth forces. Tooth forces increase as the power density increases, but this also leads to increased worm shaft deflection. The resulting deflection can affect efficiency, wear load capacity, and NVH behavior. Continuous improvements in bronze materials, lubricants, and manufacturing quality have enabled worm gear manufacturers to produce increasingly high power densities.
Standardized calculation methods take into account the supporting effect of the toothing on the worm shaft. However, overhung worm gears are not included in the calculation. In addition, the toothing area is not taken into account unless the shaft is designed next to the worm gear. Similarly, the root diameter is treated as the equivalent bending diameter, but this ignores the supporting effect of the worm toothing.
A generalized formula is provided to estimate the STE contribution to vibratory excitation. The results are applicable to any gear with a meshing pattern. It is recommended that engineers test different meshing methods to obtain more accurate results. One way to test tooth-meshing surfaces is to use a finite element stress and mesh subprogram. This software will measure tooth-bending stresses under dynamic loads.
The effect of tooth-brushing and lubricant on bending stiffness can be achieved by increasing the pressure angle of the worm pair. This can reduce tooth bending stresses in the worm gear. A further method is to add a load-loaded tooth-contact analysis (CCTA). This is also used to analyze mismatched ZC1 worm drive. The results obtained with the technique have been widely applied to various types of gearing.
In this study, we found that the ring gear’s bending stiffness is highly influenced by the teeth. The chamfered root of the ring gear is larger than the slot width. Thus, the ring gear’s bending stiffness varies with its tooth width, which increases with the ring wall thickness. Furthermore, a variation in the ring wall thickness of the worm gear causes a greater deviation from the design specification.
To understand the impact of the teeth on the bending stiffness of a worm gear, it is important to know the root shape. Involute teeth are susceptible to bending stress and can break under extreme conditions. A tooth-breakage analysis can control this by determining the root shape and the bending stiffness. The optimization of the root shape directly on the final gear minimizes the bending stress in the involute teeth.
The influence of tooth forces on the bending stiffness of a worm gear was investigated using the CZPT Spiral Bevel Gear Test Facility. In this study, multiple teeth of a spiral bevel pinion were instrumented with strain gages and tested at speeds ranging from static to 14400 RPM. The tests were performed with power levels as high as 540 kW. The results obtained were compared with the analysis of a three-dimensional finite element model.

Characteristics of worm gears

Worm gears are unique types of gears. They feature a variety of characteristics and applications. This article will examine the characteristics and benefits of worm gears. Then, we’ll examine the common applications of worm gears. Let’s take a look! Before we dive in to worm gears, let’s review their capabilities. Hopefully, you’ll see how versatile these gears are.
A worm gear can achieve massive reduction ratios with little effort. By adding circumference to the wheel, the worm can greatly increase its torque and decrease its speed. Conventional gearsets require multiple reductions to achieve the same reduction ratio. Worm gears have fewer moving parts, so there are fewer places for failure. However, they can’t reverse the direction of power. This is because the friction between the worm and wheel makes it impossible to move the worm backwards.
Worm gears are widely used in elevators, hoists, and lifts. They are particularly useful in applications where stopping speed is critical. They can be incorporated with smaller brakes to ensure safety, but shouldn’t be relied upon as a primary braking system. Generally, they are self-locking, so they are a good choice for many applications. They also have many benefits, including increased efficiency and safety.
Worm gears are designed to achieve a specific reduction ratio. They are typically arranged between the input and output shafts of a motor and a load. The 2 shafts are often positioned at an angle that ensures proper alignment. Worm gear gears have a center spacing of a frame size. The center spacing of the gear and worm shaft determines the axial pitch. For instance, if the gearsets are set at a radial distance, a smaller outer diameter is necessary.
Worm gears’ sliding contact reduces efficiency. But it also ensures quiet operation. The sliding action limits the efficiency of worm gears to 30% to 50%. A few techniques are introduced herein to minimize friction and to produce good entrance and exit gaps. You’ll soon see why they’re such a versatile choice for your needs! So, if you’re considering purchasing a worm gear, make sure you read this article to learn more about its characteristics!
An embodiment of a worm gear is described in FIGS. 19 and 20. An alternate embodiment of the system uses a single motor and a single worm 153. The worm 153 turns a gear which drives an arm 152. The arm 152, in turn, moves the lens/mirr assembly 10 by varying the elevation angle. The motor control unit 114 then tracks the elevation angle of the lens/mirr assembly 10 in relation to the reference position.
The worm wheel and worm are both made of metal. However, the brass worm and wheel are made of brass, which is a yellow metal. Their lubricant selections are more flexible, but they’re limited by additive restrictions due to their yellow metal. Plastic on metal worm gears are generally found in light load applications. The lubricant used depends on the type of plastic, as many types of plastics react to hydrocarbons found in regular lubricant. For this reason, you need a non-reactive lubricant.