Product Description

Applications

A semi-trailer suspension is an important part connecting the traveling device and the frame of the semi-trailer.
All forces are all transmitted through the suspension system. And the suspension reduces the impact of harsh roads on the vehicle, plays a shock absorption effect, and improves the ride comfort of the vehicle.
Semi-trailer suspensions are widely applied to skeletal trailers, lowbed trailers, flatbed trailers, dump trailers, car transport trailers, oil tank trailers, van trailers, full trailers, wood transport trailers, agricultrucal vehicles, etc. Classification of suspension indlude German series suspensions, American series suspensions, bogie/boogie suspension series, air suspension series, rigid suspension series, CZPT suspensions, ROR suspensions, HENRED suspensions, semi-trailer suspensions, trailer suspensions and agricultural series, etc.

Features 
 

QC management system Implementing IATF 16949-2016
Services quality management system Implementing ISO 9001-2015
Warranty 18 months since shipping date
Quality testing passed An independent lab in China
Raw material for suspensions Q235 from China’s TOP-3 steel mills can achieve a longer life under higher loads
Steel plate cutting by CNC Plasma Cutting Machines
Press forming by 40-800 ton hydraulic press machines with hundreds of precision molds
Hanger welding by Automatic CNC welding robots/lines with hundreds of precise fixture toolings
Smooth surface by Shot-peening
Painting by Automatic coating line
Producing leaf springs and casting parts by Ourselves to ensure the lead time and quality are under control
Equalizer bushes Using taper or greaseless powdered metal ones to be more durable
Arm bushes Using natural rubber ones to be more durable
Adjustable arms screw by Galvanized anti-rust treatment
Sets of annual output 50,000 1180 441 433 183 13,000 * 2 FW885711A
WDA2223908801 1220 481 473 223 13,000 * 2 FW885712A
WDA2253908801 1250 511 503 253 13,000 * 2 FW885713A
WDA2164908801 1180 422 414 164 13,000 * 2 FW885711B
WDA2204908801 1220 462 454 204 13,000 * 2 FW885712B
WDA2234908801 1250 492 484 234 13,000 * 2 FW885713B

WD88.03 Tri (3-axle) Suspensions

Model Height of towing plate (mm) A1 (mm) A2 (mm) A3 (mm) H (mm) Axle Loading (kg) Replacement
WDA3185908801 1180 457 448 435 185 13,000 * 3 FW880301A
WDA3225908801 1220 497 488 475 225 13,000 * 3 FW880302A
WDA3255908801 1250 527 518 505 255 13,000 * 3 FW880303A
WDA3166908801 1180 438 429 416 166 13,000 * 3 FW880301B
WDA3206908801 1220 478 469 456 206 13,000 * 3 FW880302B
WDA3236908801 1250 508 499 486 236 13,000 * 3 FW880303B

 
Note:
(1) Demension “A1, A2, A3”: unladen
(2) Suitable for round/square axles
(3) Suggested leaf spring: 90×16×7 pcs

-WD86 Type Heavy Duty Suspension Series

WD86.02 Tandem (2-axle) Suspensions

Model Height of towing plate (mm) A1 (mm) A2 (mm) H (mm) Axle Loading (kg) Replacement
WDA2183908601 1180 473 465 183 16,000 * 2 FW865711A
WDA2223908601 1220 513 505 223 16,000 * 2 FW865712A
WDA2253908601 1250 543 535 253 16,000 * 2 FW865713A
WDA2164908601 1180 454 446 164 16,000 * 2 FW865711B
WDA2204908601 1220 494 484 204 16,000 * 2 FW865712B
WDA2234908601 1250 526 518 234 16,000 * 2 FW865713B

WD86.03 Tri (3-axle) Suspensions

Model Height of towing plate (mm) A1 (mm) A2
(mm)
A3 (mm) H (mm) Axle Loading (kg) Replacement
WDA3183908601 1180 489 480 467 183 16,000 * 2 FW860301A
WDA3223908601 1220 529 520 507 223 16,000 * 2 FW860302A
WDA3253908601 1250 599 550 537 253 16,000 * 2 FW860303A
WDA3164908601 1180 470 461 448 164 16,000 * 2 FW860301B
WDA3204908601 1220 510 501 588 204 16,000 * 2 FW860302B
WDA3234908601 1250 540 531 518 234 16,000 * 2 FW860303B

Note:
(1) Demension “A1, A2, A3”: unladen
(2) Suitable for round/square axles
(3) Suggested leaf spring: 90×16×9 pcs

-WD86 Type Heavy Duty Underslung Suspension Series

WD86.21 Tandem (2-axle) Underslung Suspensions

Model L1 (mm) L2 (mm) L3 (mm) L4 (mm) Axle Loading (kg) Replacement
WDA 495 1310 1135 1165 16,000 * 2 FW86.2/1310/250/BQ6/9
WDA 495 1360 1160 1190 16,000 * 2 FW86.2/1360/250/BQ6/9

WD86.31 Tandem (2-axle) Underslung Suspensions

Model L1 (mm) L2 (mm) L3 (mm) L4 (mm) Axle Loading (kg) Replacement
WDA 495 1310 1135 1165 16,000 * 2 FW86.3/1310/250/BQ6/9
WDA 495 1360 1160 1190 16,000 * 2 FW86.3/1360/250/BQ6/9

Note:
(1) Suitable for round/square axles
(2) Suggested leaf spring: 90×16×9 pcs

-WD68 Type Stamping Suspension Series

WD68.21 AR5 Tandem (2-axle) Suspensions

Model A1 (mm) A2 (mm) Axle Loading (kg) Replacement
WDA244571801 440 440 11,000 * 2 FW68.21HHAR05
WDA2415756801 415 415 11,000 * 2 FW68.21MMAR05
WDA239571801 390 390 11,000 * 2 FW68.21LLAR05
WDA244571802 440 415 11,000 * 2 FW68.21HMAR05
WDA2415756802 415 390 11,000 * 2 FW68.21MLAR05

WD68.31 AR5 Tri (3-axle) Suspensions

Model A1 (mm) A2 (mm) A3 (mm) Axle Loading (kg) Replacement
WDA344571801 440 440 440 16,000 * 2 FW68.31HHHAR05
WDA3415756801 415 415 415 16,000 * 2 FW68.31MMMAR05
WDA339571801 390 390 390 16,000 * 2 FW68.31LLLAR05
WDA344571802 440 415 390 16,000 * 2 FW68.21HMLAR05

Note:
(1) Demension “A1, A2, A3”: unladen
(2) Suitable for round/square axles
(3) Suggested leaf spring: 75×13×8 pcs

-WD66 Type Lightweight Suspension Series

WD66.22 AR5 Tandem (2-axle) Underslung Suspensions

Model A1 (mm) L1 (mm) L2 (mm) L3 (mm) Axle Loading (kg) Replacement
WDA239571601 390 482.5 1245 1105 10,000 * 2 FW66.2/1245/390/AR5/3L
WDA2415756601 415 482.5 1245 1105 10,000 * 2 FW66.2/1245/390/AR5/3L
WDA244571601 440 482.5 1245 1105 10,000 * 2 FW66.2/1245/390/AR5/3L

Note:
(1) Demension “A1, A2, A3”: unladen
(2) Suitable for round/square axles
(3) Suggested leaf spring: 75×22×3 pcs

-WD20 Type Heavy Duty Suspension Series

WD20.02 Tandem (2-axle) Suspensions

Model Height of towing plate (mm) A1 (mm) A2 (mm) H (mm) Axle Loading (kg) Replacement
WDA2183157101 1180 489 481 183 20,000 * 2 FW25711A
WDA2223157101 1220 529 521 223 20,000 * 2 FW25712A
WDA2253157101 1250 559 551 253 20,000 * 2 FW25713A
WDA2164157101 1180 470 462 164 20,000 * 2 FW25711B
WDA 1220 510 502 204 20,000 * 2 FW25712B
WDA2234157101 1250 540 532 234 20,000 * 2 FW25713B

WD20.03 Tri (3-axle) Suspensions

Model Height of towing plate (mm) A1 (mm) A2 (mm) A3 (mm) H (mm) Axle Loading (kg) Replacement
WDA3183157101 1180 505 496 483 183 20,000 * 2 FW200301A
WDA3223157101 1220 545 536 523 223 20,000 * 2 FW200302A
WDA3253157101 1250 575 566 553 253 20,000 * 2 FW200303A
WDA3164157101 1180 486 477 464 164 20,000 * 2 FW200301B
WDA 1220 526 517 504 204 20,000 * 2 FW200302B
WDA3234157101 1250 556 547 534 234 20,000 * 2 FW200303B

Note:
(1) Demension “A1, A2, A3”: unladen
(2) Suitable for round/square axles
(3) Suggested leaf spring: 100×16×10 pcs

German type Suspension Series (BPW type)

WDGB02 Tandem (2-axle) Suspensions

Model H (mm) A (mm) C (mm) D (mm) E (mm) Leaf spring
WDGB21551001201 155 490 1295 615 2610 100×12×12
WDGB21551001401 155 514 1295 615 2610 100×12×14

WDGB03 Tri (3-axle) Suspensions

Model H (mm) A (mm) C (mm) D (mm) E (mm) Leaf spring
WDGB31551001201 155 490 1295 615 3970 100×12×12
WDGB31551001401 155 514 1295 615 3970 100×12×14

Note:
(1) Demension “A”: unladen
(2) Suitable for round/square axles
(3) Suggested leaf spring: 100×12×12 pcs, 100×14×12 pcs, 100×12×14 pcs

German type Suspension Series (SAF type)

WDGS02 Tandem (2-axle) Suspensions

Model H (mm) A (mm) C (mm) D (mm) E (mm) Leaf spring
WDGS21551001201 155 500 1295 615 2610 100×12×12
WDGS21551001401 155 524 1295 615 2610 100×12×14

WDGS03 Tri (3-axle) Suspensions

Model H (mm) A (mm) C (mm) D (mm) E (mm) Leaf spring
WDGS21551001201 155 500 1295 615 2610 100×12×12
WDGS21551001401 155 524 1295 615 2610 100×12×14

Note:
(1) Demension “A”: unladen;Note:
(2) Suitable for round/square axles
(3) Suggested leaf spring: 100×12×12 pcs, 100×14×12 pcs, 100×12×14 pcs

Production
Workshops of CZPT Autoparts semi trailer suspensions:

(Raw material workshops, Components workshops, Mechanical suspension processing workshops, Semi trailer suspensionAssembly workshops, Painting line)

Processes & equipment of CZPT Autoparts semi trailer suspensions:

  1. Steel Plate Material→ 2. Steel Plate CNC  Automatic Cutting→ 3. Hangers punching→ 4. Hangers Forming→ 5. Hangers Welding→ 6. Sleeve(A & B) Welding→ 7. Shot Peening→ 8. Painting→ 9. Laser marking→ 10. Assembling→ 11. Packing→ 12. Warehousing)

Products and logistics of CZPT Autoparts semi trailer suspensions:

(Mechanical suspension final production, Suspension hangers, Components of semi trailer suspensions, Suspension warehousing, Suspension packing, trailer suspension container loading)

Other types of CZPT Autoparts semi trailer suspensions:

(Germany BPW type mechanical suspension, Germany SAF type mechanical suspension, American CZPT type suspension with square beam, American CZPT underslung type suspension with square beam, American CZPT type suspension with round beam, American CZPT underslung type suspension with round beam)

Other types of CZPT Autoparts semi trailer suspensions:

(YTE casting type suspension, ROR casting type suspension, Henred Fruehauf type suspension, Agricultural trailer suspension)

Components
Components & spare parts of CZPT Autoparts semi trailer suspensions:

(Font hangers, Middle hangers, Rear hangers, Supension equalizers, Equalizer pins, Leaf springs, Fix torques, Adjustable torques, U-bolts, etc.)

Besides trailer mechanical suspensions, CZPT Autoparts also supply different types of semi trailer components as below:

After-sales Service: 18 Months
Warranty: 18 Months
Material: Steel
Certification: ISO/TS16949, ISO9001
Car Make: Benz, BMW, Toyota, Jeep, Nissan, Ford, Volvo, Mazda
Position: Rear

air-compressor

How to Choose the Right Air Compressor

An air compressor uses pressurized air to power a variety of tools. They are most commonly used to power nailers and impact wrenches. Other popular uses for air compressors include paint sprayers and impact wrenches. While all air compressors have the same basic construction, their specialty differs. Ultimately, their differences come down to the amount of air they can push. Read on for information on each type of air compressor. These tools are great for many different purposes, and choosing the right air compressor depends on your specific needs.

Electric motor

While purchasing an electric motor for air compressor, compatibility is a key factor. Not all motors work with the same type of air compressor, so it’s important to check the manufacturer’s instructions before purchasing. By doing this, you can avoid wasting money on an incompatible motor. Another important consideration is speed. A motor’s speed is its rate of rotation, measured in revolutions per minute. It is critical that you purchase a motor with sufficient speed to meet the needs of your air compressor.
Typically, an electric motor for air compressor is 1.5 hp. It is ideal for use with medical equipment and metal-cutting machines. It also performs well under continuous operation and offers a high efficiency and energy-saving performance. Moreover, it features an attractive price, making it a good choice for a wide range of applications. If you are looking for a motor for an air compressor, look no further than a ZYS series.
A motor’s protection class indicates how the motor will operate. Protection classes are specified by the IEC 60034-5. These are stated with two digits and represent the protection against solid objects and water. For example, an IP23 rating means that the motor will be protected from solid objects, while IP54 means that it will protect from dust and water sprayed from all directions. It is vital to choose a motor with the correct protection class for your air compressor.
When choosing an electric motor, you should consider whether it’s compatible with the brand of air compressor. Some may be compatible, while others may require advanced electronics skills to repair. However, most air compressors are covered by warranty, so it’s important to check with the manufacturer if the warranty is still in effect before you spend a dime on a replacement. The motor should be replaced if it has failed to perform as designed.
air-compressor

Oil bath

Air compressors require proper lubrication to function efficiently. The piston must draw air with minimal friction. Depending on their design, air compressors can either be oil-lubricated or oil-free. The former uses oil to reduce piston friction, while the latter splashes it on the cylinder bearings and walls. Such air compressors are commonly known as oil-flooded air compressors. In order to keep their oil baths clean, they are recommended for use in locations with high dust levels.

Start/stop control

An air compressor can be controlled by a start/stop control. This type of control sends a signal to the main motor that activates the compressor when the demand for air falls below a preset limit. This control strategy is effective for smaller air compressors and can be useful for reducing energy costs. Start/stop control is most effective in applications where air pressure does not change frequently and where the compressor is not required to run continuously.
To troubleshoot this problem, you need to check the power supply of your compressor. To check the supply side, use a voltage monitor to determine if power is flowing to the compressor. Ensure that the power supply to the compressor is steady and stable at all times. If it fluctuates, the compressor may not start or stop as expected. If you cannot find the problem with the air compressor power supply, it may be time to replace it.
In addition to the start/stop control, you may want to purchase additional air receivers for your air compressor. These can increase the capacity of air stored and reduce the number of times it starts and stops. Another way to decrease the number of starts per hour is to add more air receivers. Then, you can adjust the control to match your requirements. You can also install a pressure gauge that monitors the compressor’s performance.
Start/stop control for air compressors can be complex, but the basic components are relatively easy to understand. One way to test them is to turn the compressor on or off. It is usually located on the exterior of the motor. If you’re unsure of the location of these components, check the capacitors and make sure that the air compressor is not running while you’re not using it. If it does, try to remove the capacitor.
Variable displacement control is another way to adjust the amount of air flowing into the compressor. By controlling the amount of air, the control can delay the use of additional compressors until more required air is available. In addition to this, the device can also monitor the energy used in the compressor. This control method can result in substantial energy savings. You can even save on the amount of electricity by using variable displacement control. It is essential for efficient compressed air systems.
air-compressor

Variable speed drive

A VFD, or variable frequency drive, is a type of electric motor that adjusts its speed to match the demand for air. It is an efficient way to reduce energy costs and improve system reliability. In fact, studies have shown that a 20% reduction in motor speed can save up to 50% of energy. In addition, a VFD can monitor additional variables such as compressor oil pressure and motor temperature. By eliminating manual checks, a VFD will improve the performance of the application and reduce operating costs.
In addition to reducing energy costs, variable-speed drives also increase productivity. A variable-speed air compressor reduces the risk of system leaks by 30 percent. It also reduces the risk of system leaks by reducing pressure in the system. Because of these advantages, many governments are promoting this technology in their industries. Many even offer incentives to help companies upgrade to variable-speed drives. Therefore, the variable-speed drive can benefit many air compressor installations.
One major benefit of a variable-speed drive is its ability to optimize energy use. Variable frequency drives are able to ramp up and down to match the demand for air. The goal is to optimize the pressure and flow in the system so that the best “dead band” occurs between forty percent and eighty percent of full load. A variable-speed compressor will also increase energy efficiency because of its programmability.
A variable-speed air compressor can also be used to control the amount of air that is compressed by the system. This feature adjusts the frequency of power supplied to the motor based on the demand. If the demand for air is low, the frequency of the motor will reduce to save energy. On the other hand, if there is an excess demand for air, the variable-speed compressor will increase its speed. In addition, this type of air compressor is more efficient than its fixed-speed counterpart.
A VFD has many benefits for compressed air systems. First, it helps stabilize the pressure in the pipe network, thereby reducing the power losses due to upstream pressure. It also helps reduce the power consumption caused by fluctuations in upward pressure. Its benefits are also far-reaching. And as long as the air pressure and air supply is properly sized, a VFD will help optimize the efficiency of compressed air systems.

China best Heavy Duty Trailer 30000lbs Independent Air Bag Suspension Kit Compressor   with Hot sellingChina best Heavy Duty Trailer 30000lbs Independent Air Bag Suspension Kit Compressor   with Hot selling
editor by CX 2023-05-24

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