Product Description
HangZhou FOREVER Side Wall Removable Container CargoTransport Truck Semi 40FT Flatbed Trailer
MAIN PERFORMANCE
| Product Specification | ||||
| 1 | Type | Semitrailer | ||
| 2 | Product Name | Side Wall Cargo Semitrailer | ||
| 3 | Cargo Body | Body Dimension | 12300x2450x1000mm | |
| External Dimension | 12500x2600x2600mm | |||
| Twist Lock | 12 container locks | |||
| Baseplate | Corrugated Steel | |||
| 4 | Tare Weight | 7330kg | ||
| 5 | Payload | 62t | ||
| 6
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Running System | Axles | FUWA ,BPW brand,13t Good quality axles | |
| Suspension | Tri-axle 10-pcs leaf spring suspension with equalizer beam |
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| Tires | Linglong,brand, Double Coin, 11.00R20 , 12.00R20,12unit | |||
| 7 | Ladder | Manually operated or Hydraulic type | ||
| 8 | Braking System | Dual lines pneumatic brake system, Relay Valve; KORMEE ABS braking system |
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| 9 | Frame | Main Beam | Q345B steel,Height 500, upper 10mm, lower 12mm. Mid web 8mm |
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| 10 | King Pin | Size: 50# (2”) or 90#(3.5”); Type: welded or assembled | ||
| 11 | Landing Gear | YAHUA Brand Single side operation or double side operation, Static capacity 28Ton |
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| 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. | |||
| Accessorise | TOOL BOX (BOX ONLY)—PROVIDED WITH THE TRAILER TWO SPARE WHEEL HOLDER(WINCH),BUT NO SPARE TYRES |
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I.The Application and the Technical Highlights:
—The Fence Cargo truck semitrailers are mainly suitable for the MID/Long distance transportation of fruits, vegetable,rice and the agricultural cargo and so on.
—In order to reduce the trailer tare weight,we design the trailer structure according to the user’s transporting cargo.The lightest weight of our trailer can be signed to 5.6t.Our trailer can creat more profit value in the case of meeting the load.
—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 with lighter kerb weight.
— 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
The Advantage
***Frame:using the advanced assembly welded equipments to weld the space frame structure which formed by welded-type longitudinal beam (made of High strength steel T700) 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 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 Fence Cargo Trailer
V. The Classification
VI. Guarrantee For The Parts Of The Tanker 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.
Worm Shafts and Gearboxes
If you have a gearbox, you may be wondering what the best Worm Shaft is for your application. There are several things to consider, including the Concave shape, Number of threads, and Lubrication. This article will explain each factor and help you choose the right Worm Shaft for your gearbox. There are many options available on the market, so don’t hesitate to shop around. If you are new to the world of gearboxes, read on to learn more about this popular type of gearbox.
Concave shape
The geometry of a worm gear varies considerably depending on its manufacturer and its intended use. Early worms had a basic profile that resembled a screw thread and could be chased on a lathe. Later, tools with a straight sided g-angle were developed to produce threads that were parallel to the worm’s axis. Grinding was also developed to improve the finish of worm threads and minimize distortions that occur with hardening.
To select a worm with the proper geometry, the diameter of the worm gear must be in the same unit as the worm’s shaft. Once the basic profile of the worm gear is determined, the worm gear teeth can be specified. The calculation also involves an angle for the worm shaft to prevent it from overheating. The angle of the worm shaft should be as close to the vertical axis as possible.
Double-enveloping worm gears, on the other hand, do not have a throat around the worm. They are helical gears with a straight worm shaft. Since the teeth of the worm are in contact with each other, they produce significant friction. Unlike double-enveloping worm gears, non-throated worm gears are more compact and can handle smaller loads. They are also easy to manufacture.
The worm gears of different manufacturers offer many advantages. For instance, worm gears are 1 of the most efficient ways to increase torque, while lower-quality materials like bronze are difficult to lubricate. Worm gears also have a low failure rate because they allow for considerable leeway in the design process. Despite the differences between the 2 standards, the overall performance of a worm gear system is the same.
The cone-shaped worm is another type. This is a technological scheme that combines a straight worm shaft with a concave arc. The concave arc is also a useful utility model. Worms with this shape have more than 3 contacts at the same time, which means they can reduce a large diameter without excessive wear. It is also a relatively low-cost model.
Thread pattern
A good worm gear requires a perfect thread pattern. There are a few key parameters that determine how good a thread pattern is. Firstly, the threading pattern must be ACME-threaded. If this is not possible, the thread must be made with straight sides. Then, the linear pitch of the “worm” must be the same as the circular pitch of the corresponding worm wheel. In simple terms, this means the pitch of the “worm” is the same as the circular pitch of the worm wheel. A quick-change gearbox is usually used with this type of worm gear. Alternatively, lead-screw change gears are used instead of a quick-change gear box. The pitch of a worm gear equals the helix angle of a screw.
A worm gear’s axial pitch must match the circular pitch of a gear with a higher axial pitch. The circular pitch is the distance between the points of teeth on the worm, while the axial pitch is the distance between the worm’s teeth. Another factor is the worm’s lead angle. The angle between the pitch cylinder and worm shaft is called its lead angle, and the higher the lead angle, the greater the efficiency of a gear.
Worm gear tooth geometry varies depending on the manufacturer and intended use. In early worms, threading resembled the thread on a screw, and was easily chased using a lathe. Later, grinding improved worm thread finishes and minimized distortions from hardening. As a result, today, most worm gears have a thread pattern corresponding to their size. When selecting a worm gear, make sure to check for the number of threads before purchasing it.
A worm gear’s threading is crucial in its operation. Worm teeth are typically cylindrical, and are arranged in a pattern similar to screw or nut threads. Worm teeth are often formed on an axis of perpendicular compared to their parallel counterparts. Because of this, they have greater torque than their spur gear counterparts. Moreover, the gearing has a low output speed and high torque.
Number of threads
Different types of worm gears use different numbers of threads on their planetary gears. A single threaded worm gear should not be used with a double-threaded worm. A single-threaded worm gear should be used with a single-threaded worm. Single-threaded worms are more effective for speed reduction than double-threaded ones.
The number of threads on a worm’s shaft is a ratio that compares the pitch diameter and number of teeth. In general, worms have 1,2,4 threads, but some have three, five, or six. Counting thread starts can help you determine the number of threads on a worm. A single-threaded worm has fewer threads than a multiple-threaded worm, but a multi-threaded worm will have more threads than a mono-threaded planetary gear.
To measure the number of threads on a worm shaft, a small fixture with 2 ground faces is used. The worm must be removed from its housing so that the finished thread area can be inspected. After identifying the number of threads, simple measurements of the worm’s outside diameter and thread depth are taken. Once the worm has been accounted for, a cast of the tooth space is made using epoxy material. The casting is moulded between the 2 tooth flanks. The V-block fixture rests against the outside diameter of the worm.
The circular pitch of a worm and its axial pitch must match the circular pitch of a larger gear. The axial pitch of a worm is the distance between the points of the teeth on a worm’s pitch diameter. The lead of a thread is the distance a thread travels in 1 revolution. The lead angle is the tangent to the helix of a thread on a cylinder.
The worm gear’s speed transmission ratio is based on the number of threads. A worm gear with a high ratio can be easily reduced in 1 step by using a set of worm gears. However, a multi-thread worm will have more than 2 threads. The worm gear is also more efficient than single-threaded gears. And a worm gear with a high ratio will allow the motor to be used in a variety of applications.
Lubrication
The lubrication of a worm gear is particularly challenging, due to its friction and high sliding contact force. Fortunately, there are several options for lubricants, such as compounded oils. Compounded oils are mineral-based lubricants formulated with 10 percent or more fatty acid, rust and oxidation inhibitors, and other additives. This combination results in improved lubricity, reduced friction, and lower sliding wear.
When choosing a lubricant for a worm shaft, make sure the product’s viscosity is right for the type of gearing used. A low viscosity will make the gearbox difficult to actuate and rotate. Worm gears also undergo a greater sliding motion than rolling motion, so grease must be able to migrate evenly throughout the gearbox. Repeated sliding motions will push the grease away from the contact zone.
Another consideration is the backlash of the gears. Worm gears have high gear ratios, sometimes 300:1. This is important for power applications, but is at the same time inefficient. Worm gears can generate heat during the sliding motion, so a high-quality lubricant is essential. This type of lubricant will reduce heat and ensure optimal performance. The following tips will help you choose the right lubricant for your worm gear.
In low-speed applications, a grease lubricant may be sufficient. In higher-speed applications, it’s best to apply a synthetic lubricant to prevent premature failure and tooth wear. In both cases, lubricant choice depends on the tangential and rotational speed. It is important to follow manufacturer’s guidelines regarding the choice of lubricant. But remember that lubricant choice is not an easy task.
