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, CHINAMFG 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 CHINAMFG Autoparts semi trailer suspensions:
(Raw material workshops, Components workshops, Mechanical suspension processing workshops, Semi trailer suspensionAssembly workshops, Painting line)
Processes & equipment of CHINAMFG Autoparts semi trailer suspensions:
- 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 CHINAMFG 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 CHINAMFG Autoparts semi trailer suspensions:
(Germany BPW type mechanical suspension, Germany SAF type mechanical suspension, American CHINAMFG type suspension with square beam, American CHINAMFG underslung type suspension with square beam, American CHINAMFG type suspension with round beam, American CHINAMFG underslung type suspension with round beam)
Other types of CHINAMFG Autoparts semi trailer suspensions:
(YTE casting type suspension, ROR casting type suspension, Henred Fruehauf type suspension, Agricultural trailer suspension)
Components
Components & spare parts of CHINAMFG 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, CHINAMFG 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 |
Can air compressors be used for shipbuilding and maritime applications?
Air compressors are widely used in shipbuilding and maritime applications for a variety of tasks and operations. The maritime industry relies on compressed air for numerous essential functions. Here’s an overview of how air compressors are employed in shipbuilding and maritime applications:
1. Pneumatic Tools and Equipment:
Air compressors are extensively used to power pneumatic tools and equipment in shipbuilding and maritime operations. Pneumatic tools such as impact wrenches, drills, grinders, sanders, and chipping hammers require compressed air to function. The versatility and power provided by compressed air make it an ideal energy source for heavy-duty tasks, maintenance, and construction activities in shipyards and onboard vessels.
2. Painting and Surface Preparation:
Air compressors play a crucial role in painting and surface preparation during shipbuilding and maintenance. Compressed air is used to power air spray guns, sandblasting equipment, and other surface preparation tools. Compressed air provides the force necessary for efficient and uniform application of paints, coatings, and protective finishes, ensuring the durability and aesthetics of ship surfaces.
3. Pneumatic Actuation and Controls:
Air compressors are employed in pneumatic actuation and control systems onboard ships. Compressed air is used to operate pneumatic valves, actuators, and control devices that regulate the flow of fluids, control propulsion systems, and manage various shipboard processes. Pneumatic control systems offer reliability and safety advantages in maritime applications.
4. Air Start Systems:
In large marine engines, air compressors are used in air start systems. Compressed air is utilized to initiate the combustion process in the engine cylinders. The compressed air is injected into the cylinders to turn the engine’s crankshaft, enabling the ignition of fuel and starting the engine. Air start systems are commonly found in ship propulsion systems and power generation plants onboard vessels.
5. Pneumatic Conveying and Material Handling:
In shipbuilding and maritime operations, compressed air is used for pneumatic conveying and material handling. Compressed air is utilized to transport bulk materials, such as cement, sand, and grain, through pipelines or hoses. Pneumatic conveying systems enable efficient and controlled transfer of materials, facilitating construction, cargo loading, and unloading processes.
6. Air Conditioning and Ventilation:
Air compressors are involved in air conditioning and ventilation systems onboard ships. Compressed air powers air conditioning units, ventilation fans, and blowers, ensuring proper air circulation, cooling, and temperature control in various ship compartments, cabins, and machinery spaces. Compressed air-driven systems contribute to the comfort, safety, and operational efficiency of maritime environments.
These are just a few examples of how air compressors are utilized in shipbuilding and maritime applications. Compressed air’s versatility, reliability, and convenience make it an indispensable energy source for various tasks and systems in the maritime industry.
What is the role of air compressors in manufacturing and industrial processes?
Air compressors play a crucial role in various manufacturing and industrial processes, providing a reliable source of compressed air that powers a wide range of equipment and tools. Here are some key roles of air compressors in manufacturing and industrial settings:
1. Pneumatic Tools and Equipment:
Air compressors power a wide range of pneumatic tools and equipment used in manufacturing processes. These tools include impact wrenches, air drills, sanders, grinders, nail guns, and spray guns. Compressed air provides the necessary force and energy for these tools, enabling efficient and precise operations.
2. Automation and Control Systems:
Compressed air is used in automation and control systems within manufacturing facilities. Pneumatic actuators and valves use compressed air to control the movement of machinery and components. These systems are widely used in assembly lines, packaging operations, and material handling processes.
3. Air Blowing and Cleaning:
Compressed air is employed for blowing and cleaning applications in manufacturing and industrial processes. Air blowguns and air nozzles are used to remove debris, dust, and contaminants from surfaces, machinery, and products. Compressed air is also used for drying, cooling, and purging operations.
4. Air Separation and Gas Generation:
Air compressors are used in air separation plants to generate industrial gases such as nitrogen, oxygen, and argon. These gases are essential for various industrial processes, including metal fabrication, chemical production, and food packaging.
5. HVAC Systems:
Compressed air is utilized in heating, ventilation, and air conditioning (HVAC) systems. It powers pneumatic actuators for damper control, pneumatic controls for pressure regulation, and pneumatic valves for flow control in HVAC applications.
6. Air Compression for Storage and Transport:
Compressed air is used for storage and transport purposes in manufacturing and industrial settings. It is often used to pressurize storage tanks or containers that hold gases or liquids. Compressed air also facilitates the transfer of materials through pipelines and pneumatic conveying systems.
7. Process Instrumentation:
Compressed air is utilized in process instrumentation and control systems. It powers pneumatic instruments such as pressure gauges, flow meters, and control valves. These instruments play a critical role in monitoring and regulating various parameters in industrial processes.
8. Material Handling and Pneumatic Conveying:
In manufacturing and industrial facilities, compressed air is used for material handling and pneumatic conveying systems. It enables the movement of bulk materials such as powders, granules, and pellets through pipelines, facilitating efficient and controlled material transfer.
Overall, air compressors are vital components in manufacturing and industrial processes, providing a versatile and efficient source of power for a wide range of applications. The specific role of air compressors may vary depending on the industry, process requirements, and operational needs.
What is the difference between a piston and rotary screw compressor?
Piston compressors and rotary screw compressors are two common types of air compressors with distinct differences in their design and operation. Here’s a detailed explanation of the differences between these two compressor types:
1. Operating Principle:
- Piston Compressors: Piston compressors, also known as reciprocating compressors, use one or more pistons driven by a crankshaft to compress air. The piston moves up and down within a cylinder, creating a vacuum during the intake stroke and compressing the air during the compression stroke.
- Rotary Screw Compressors: Rotary screw compressors utilize two intermeshing screws (rotors) to compress air. As the male and female screws rotate, the air is trapped between them and gradually compressed as it moves along the screw threads.
2. Compression Method:
- Piston Compressors: Piston compressors achieve compression through a positive displacement process. The air is drawn into the cylinder and compressed as the piston moves back and forth. The compression is intermittent, occurring in discrete cycles.
- Rotary Screw Compressors: Rotary screw compressors also employ a positive displacement method. The compression is continuous as the rotating screws create a continuous flow of air and compress it gradually as it moves along the screw threads.
3. Efficiency:
- Piston Compressors: Piston compressors are known for their high efficiency at lower flow rates and higher pressures. They are well-suited for applications that require intermittent or variable air demand.
- Rotary Screw Compressors: Rotary screw compressors are highly efficient for continuous operation and are designed to handle higher flow rates. They are often used in applications with a constant or steady air demand.
4. Noise Level:
- Piston Compressors: Piston compressors tend to generate more noise during operation due to the reciprocating motion of the pistons and valves.
- Rotary Screw Compressors: Rotary screw compressors are generally quieter in operation compared to piston compressors. The smooth rotation of the screws contributes to reduced noise levels.
5. Maintenance:
- Piston Compressors: Piston compressors typically require more frequent maintenance due to the higher number of moving parts, such as pistons, valves, and rings.
- Rotary Screw Compressors: Rotary screw compressors have fewer moving parts, resulting in lower maintenance requirements. They often have longer service intervals and can operate continuously for extended periods without significant maintenance.
6. Size and Portability:
- Piston Compressors: Piston compressors are available in both smaller portable models and larger stationary units. Portable piston compressors are commonly used in construction, automotive, and DIY applications.
- Rotary Screw Compressors: Rotary screw compressors are typically larger and more suitable for stationary installations in industrial and commercial settings. They are less commonly used in portable applications.
These are some of the key differences between piston compressors and rotary screw compressors. The choice between the two depends on factors such as required flow rate, pressure, duty cycle, efficiency, noise level, maintenance needs, and specific application requirements.
editor by CX 2023-10-03