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Product Description

Product Specification

DIMENSIONS

Tare weight

11000kg

Payload

40000 kg

Overall length

12000mm

Overall width

2500mm

Overall height

     4000mm

SPECIFICATION

Tank body

Q235A/6mm steel sheet       shape :V type

End plate

Q235A/6mm .ball shape

Axle

Number

       3

Brand

Optional upon choice

Capacity

13T

Suspension

Mechanical suspension or air suspension

Leaf spring

Leaf spring or air bag

Manhole cover

500mm manhole cover .3 sets

Tire

11.00R20,12.00R20,11R22.5,12R22.5,315/80R22.5 Tire optional

Wheel rim

8.5-20,9.0-20,8.25-22.5,9.0-22.5 steel wheel rim optional upon choice

Discharge valve

4”disc valve

Discharge pipe

4”seamless steel tube

Kingpin

2”/3.5” bolt-in king pin

Landing gear

JOST brand two-speed, manual operating ,heavy duty landing gear

Engine

Diesel engine or electrical motor

Air compressor

37 KW, 0.2Mpa. 1000r/Min

Compartment

Single

Braking system

WABCO RE6 relay valve ;T30/30 spring brake chamber;40L air tanks

Painting

Complete chassis sand blasting to clean rust ,1coat of anticorrosive prime,2coats of final paint

Air-charging system

2”main hole.2”check valve .1.5”safe valve.0.4Mpa.gauge

Quadratic blow

1”diameter check valve

Outlet discharge pipe

4” rubber hose .6m

Accessories

One standard tool box  two spare tire carrier  one rocker handle  one Shaft wrench

                            

 

The pictures and configurations are just for your reference . We can produce many kinds of semi

trailers , like container transport semi-trailer, side wall cargo transport semi trailer and fence semi

trailer . If you have any need for semi truck, you can contact me directly, tell me your specific

requirements, the semi trailer can be customized according to your requirements.

Function

1. Steel structure: Steel frames are built with top-class hot rolled or rolled steel plate,

automatic welded longitudinal beam and adopting advanced sanding and painting

process as preliminary treatment.

2. Different types of suspension are designed for various operating condition: Bogie

suspension; Air suspension; Mechanical suspension.

3. Lamp assembly uses advanced LED light, top quality PC and cast wire harness in

dual circuit design.

Main Parts

Company Information     

ZheJiang CZPT Trailer Manufacturer Co.,Ltd. established in 2005 is 1 of the qualified manufacturers of various trailers. Integrated production, scientific research & development and professional sales teams, all those advantages can provide the full service of trailers, semi-trailers, tractor head, dump truck, engineering machinery and trailer parts, our company is a leading provider in this industry, with annual export value CZPT above 50 million dollars and revenue almost 600 million yuan RMB.With high standard machinery and automatic equipment, powerful R&D team and elite sales team, We have built a long business relationship with many world famous enterprises such as SINOTRUK,SHACMAN,FAW,DFAC,XUGONG Group,LIUGONG Group,SEM Group etc. Besides mature after-sale systems, we can meet different needs of customers both home .

Certification

1.CCC is shorted for China Compulsory Certificates, which is similar to others certificates for product quality standardization, such as European CE system. In order to obtain the CCC certificates, the manufacturer is required to do the product testing and factory audits.
2. WMI is short for World Manufacturer Identifier. Every vehicle manufacturer all over the world has 1 unique or several WMI.

3.All the semi trailers manufactured in our factory is in conformity with quality management system standard:GB/T19001-2008 idt ISO 9001:2008.

Shipping

1.By bulk/Ro-Ro:If the trailers’s size over the container size, we can ship it by RoRo or bulk ship,also inland transportation can be packed in nude, pulling by truck head to border.
2.By container:If the ordinary trailer within 11.8m,can be loaded by 40ft HC;tankers within 40000 liters or 40CBM also application for this transportation method.  

 

Related products

 Our advantages

1. The frame of the cement  tank Trailer adopts the space frame structure of welding the longitudinal beam and the integral through type cross beam. It is outstanding in strength, rigidity, toughness and bearing capacity. Meanwhile, the frame won’t come out with permanent deformation.

 

2. The height of side wall can adopts 800mm and the height of fence is 300mm, the side wall without removing when carry the 40ft 20ft containers.

 

3. Fence trailer  adopts excellent brake effects.the axles are equipped with CZPT emergency brake valve also dual-brake chambers also widen brake pads.

 

4. chengda  cement tank Trailer adopts premium steel material, advanced technology and strict production to our semi-trailer. The trailer chassis automatic submerged arc welding to ensure the welding seal solid.

Our services

Service:Customers can enjoy great purchase process from our professional sales team. With professional and mature after-sales systems, our service to you does’t end after you receive the cargo from our company, it is just a new beginning of our cooperation.

Main Markets:Our company has enjoyed great preference by customers from African, South America, middle east, North Asia, South Asia and South east Asia. So far we have export to Philippines, Malaysia, Indonesia, Bangladesh, Myanmar, Vietnam, Angola, Tanzania, Congo, Nigeria, Mozambique, Uganda, Fiji, Ethiopia, Somalia, Iraq, Djibouti, Namibia, Zimbabwe, Liberia, Chile, Peru, Uruguay, Argentina etc.

Our company’s future vision: become a globally-famous and long-standing corporation.

Our company’s Mission: Share interests and happiness with all partners.

 

Warranty
 

  Warranty Item Name Warranty
Main Frame Frame 12 Months Running Gear Axles 6 Months
  King Pin 12 Months Tires 6 Months
  Suspension 6 Months Axle Bear 3 Months
  Balance Arm 3 Months Wheel Hub 3 Months
Item Name Warranty Item Name Warranty
Braking Device Air Reservoir 6 Months Support Device Landing Gear 6 Months
Braking Chamber 3 Months Spare Wheel Carrier 6 Months
Braking Drum 3 Months
Item Name Warranty
Other Item Leaf Spring 3 Months

Contact Us

 

Worm Gear Motors

Worm gear motors are often preferred for quieter operation because of the smooth sliding motion of the worm shaft. Unlike gear motors with teeth, which may click as the worm turns, worm gear motors can be installed in a quiet area. In this article, we will talk about the CZPT whirling process and the various types of worms available. We’ll also discuss the benefits of worm gear motors and worm wheel.
worm shaft

worm gear

In the case of a worm gear, the axial pitch of the ring pinion of the corresponding revolving worm is equal to the circular pitch of the mating revolving pinion of the worm gear. A worm with 1 start is known as a worm with a lead. This leads to a smaller worm wheel. Worms can work in tight spaces because of their small profile.
Generally, a worm gear has high efficiency, but there are a few disadvantages. Worm gears are not recommended for high-heat applications because of their high level of rubbing. A full-fluid lubricant film and the low wear level of the gear reduce friction and wear. Worm gears also have a lower wear rate than a standard gear. The worm shaft and worm gear is also more efficient than a standard gear.
The worm gear shaft is cradled within a self-aligning bearing block that is attached to the gearbox casing. The eccentric housing has radial bearings on both ends, enabling it to engage with the worm gear wheel. The drive is transferred to the worm gear shaft through bevel gears 13A, 1 fixed at the ends of the worm gear shaft and the other in the center of the cross-shaft.

worm wheel

In a worm gearbox, the pinion or worm gear is centered between a geared cylinder and a worm shaft. The worm gear shaft is supported at either end by a radial thrust bearing. A gearbox’s cross-shaft is fixed to a suitable drive means and pivotally attached to the worm wheel. The input drive is transferred to the worm gear shaft 10 through bevel gears 13A, 1 of which is fixed to the end of the worm gear shaft and the other at the centre of the cross-shaft.
Worms and worm wheels are available in several materials. The worm wheel is made of bronze alloy, aluminum, or steel. Aluminum bronze worm wheels are a good choice for high-speed applications. Cast iron worm wheels are cheap and suitable for light loads. MC nylon worm wheels are highly wear-resistant and machinable. Aluminum bronze worm wheels are available and are good for applications with severe wear conditions.
When designing a worm wheel, it is vital to determine the correct lubricant for the worm shaft and a corresponding worm wheel. A suitable lubricant should have a kinematic viscosity of 300 mm2/s and be used for worm wheel sleeve bearings. The worm wheel and worm shaft should be properly lubricated to ensure their longevity.

Multi-start worms

A multi-start worm gear screw jack combines the benefits of multiple starts with linear output speeds. The multi-start worm shaft reduces the effects of single start worms and large ratio gears. Both types of worm gears have a reversible worm that can be reversed or stopped by hand, depending on the application. The worm gear’s self-locking ability depends on the lead angle, pressure angle, and friction coefficient.
A single-start worm has a single thread running the length of its shaft. The worm advances 1 tooth per revolution. A multi-start worm has multiple threads in each of its threads. The gear reduction on a multi-start worm is equal to the number of teeth on the gear minus the number of starts on the worm shaft. In general, a multi-start worm has 2 or 3 threads.
Worm gears can be quieter than other types of gears because the worm shaft glides rather than clicking. This makes them an excellent choice for applications where noise is a concern. Worm gears can be made of softer material, making them more noise-tolerant. In addition, they can withstand shock loads. Compared to gears with toothed teeth, worm gears have a lower noise and vibration rate.
worm shaft

CZPT whirling process

The CZPT whirling process for worm shafts raises the bar for precision gear machining in small to medium production volumes. The CZPT whirling process reduces thread rolling, increases worm quality, and offers reduced cycle times. The CZPT LWN-90 whirling machine features a steel bed, programmable force tailstock, and five-axis interpolation for increased accuracy and quality.
Its 4,000-rpm, 5-kW whirling spindle produces worms and various types of screws. Its outer diameters are up to 2.5 inches, while its length is up to 20 inches. Its dry-cutting process uses a vortex tube to deliver chilled compressed air to the cutting point. Oil is also added to the mixture. The worm shafts produced are free of undercuts, reducing the amount of machining required.
Induction hardening is a process that takes advantage of the whirling process. The induction hardening process utilizes alternating current (AC) to cause eddy currents in metallic objects. The higher the frequency, the higher the surface temperature. The electrical frequency is monitored through sensors to prevent overheating. Induction heating is programmable so that only certain parts of the worm shaft will harden.

Common tangent at an arbitrary point on both surfaces of the worm wheel

A worm gear consists of 2 helical segments with a helix angle equal to 90 degrees. This shape allows the worm to rotate with more than 1 tooth per rotation. A worm’s helix angle is usually close to 90 degrees and the body length is fairly long in the axial direction. A worm gear with a lead angle g has similar properties as a screw gear with a helix angle of 90 degrees.
The axial cross section of a worm gear is not conventionally trapezoidal. Instead, the linear part of the oblique side is replaced by cycloid curves. These curves have a common tangent near the pitch line. The worm wheel is then formed by gear cutting, resulting in a gear with 2 meshing surfaces. This worm gear can rotate at high speeds and still operate quietly.
A worm wheel with a cycloid pitch is a more efficient worm gear. It reduces friction between the worm and the gear, resulting in greater durability, improved operating efficiency, and reduced noise. This pitch line also helps the worm wheel engage more evenly and smoothly. Moreover, it prevents interference with their appearance. It also makes worm wheel and gear engagement smoother.
worm shaft

Calculation of worm shaft deflection

There are several methods for calculating worm shaft deflection, and each method has its own set of disadvantages. These commonly used methods provide good approximations but are inadequate for determining the actual worm shaft deflection. For example, these methods do not account for the geometric modifications to the worm, such as its helical winding of teeth. Furthermore, they overestimate the stiffening effect of the gearing. Hence, efficient thin worm shaft designs require other approaches.
Fortunately, several methods exist to determine the maximum worm shaft deflection. These methods use the finite element method, and include boundary conditions and parameter calculations. Here, we look at a couple of methods. The first method, DIN 3996, calculates the maximum worm shaft deflection based on the test results, while the second one, AGMA 6022, uses the root diameter of the worm as the equivalent bending diameter.
The second method focuses on the basic parameters of worm gearing. We’ll take a closer look at each. We’ll examine worm gearing teeth and the geometric factors that influence them. Commonly, the range of worm gearing teeth is 1 to four, but it can be as large as twelve. Choosing the teeth should depend on optimization requirements, including efficiency and weight. For example, if a worm gearing needs to be smaller than the previous model, then a small number of teeth will suffice.

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