Product Description
YQBW- Crankshaft Belt Pulley For BMW 01-03
Product Description
Crankshaft Pulley
The crankshaft pulley (harmonic balancer) is mounted on the end of the crankshaft. Its purpose is to turn the drive belts that operate the engine accessories (alternator, air conditioning compressor, etc.)
Symptoms of a Bad or Failing Crankshaft Pulley
Knocking noise
Engine accessories may stop working
Crankshaft Pulley Related Repair Advice
The crankshaft bolt securing the pulley can loosen, affecting the operation of the pulley
The harmonic balancer includes a rubber insert between the center portion of the crankshaft pulley and the outer surface; this is what drives the belts
The rubber insert can become damaged, resulting in an abnormal noise. The outer surface can also “slip” on the rubber insert, which can affect the ability to set the ignition time on older engines
An automobile engine crankshaft pulley structure
The pulley refers to the flywheel connected to the crankshaft of the engine.
It was originally designed to drive the camshaft to rotate to drive the engine accessories, such as controlling the engine’s gas distribution system. When the engine is running, the stroke of the piston (up and down movement) valve The pulleys are generally made of cast iron as the timing action of the camshaft opens and closes in sequence.
At present, the belt pulley is generally fixed by bolts, and the bump on the front end of the crankshaft of the engine is stuck in the square hole in the center of the pulley to achieve a fixed connection with the crankshaft.
When the engine is running, the crankshaft vibrates violently under the drive of the cylinder piston.
The running of the bolt will cause the loosening of the bolt. In the prior art, the static friction between the front end of the bolt and the inner wall of the fixing hole is mainly used to prevent the bolt from loosening. However, this method will cause pressure on the bolt to deform it and eventually destroy the bolt, causing the bolt to loosen again; when the pulley is connected to the belt for conduction because the belt is stretched by high strength for a long time to cause self-aging, it is easy to take off the pulley phenomenon.
In the prior art, limit plates are generally installed at both ends of the pulley, but the belt is easy to separate The friction of the limiting plate causes loss.
Product Parameters
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ITEM: |
SAP Crankshaft Pulley |
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OEM: |
Accept |
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MOQ: |
1 pcs (If the goods have ex-stock, small quality will be available) |
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BRAND: |
SAP Brand or Customer’s Brand |
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PACKING: |
Natural Packing or Packing as Customers required |
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PAYMENT: |
L/C, T/T, Western Union, MoneyGram.etc, |
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WARRANTY: |
12 Months |
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PORT: |
ZheJiang /HangZhou |
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ADVANTAGE: |
Good Quality and Competitive Price |
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SAMPLE: |
Customized Sample |
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Quality: |
Produce According to ISO/TS 16949:2002 Standard |
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TEAM: |
Powerful Production and R&D Capability |
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Company Profile
ZheJiang Strong Auto Parts Co., Ltd. is a professional manufacturer of many kinds of automobile control arms and automobile pulleys founded in 1995. We have registered 2 famous brands ”STRONG”and”SAP” in China. With constant technical innovation and persevering high professional dedication, Strong company has owned a strong ability for research and development through the adoption of the advanced manufacturing process in the world, with scientific management and a strict product quality control system, Strong company has succeeded in passing the Germany certification in 2009.
ZheJiang Strong Auto Parts Co., Ltd. has many kinds of control arms and pulleys, we are a leading manufacturer of alternator overrunning pulleys and crankshaft damper pulleys, and car control arms on its processing, many technologies we have our invention patented in China, and the production capacity per year can be several million pieces. Now our products have been exported to many European, American, and Canadian countries for many years.
ZheJiang Strong Auto Parts Co., Ltd. has developed its own unique people-centered cooperation culture featuring ”technology innovation, people-oriented, integrity cooperation, and pursuit perfection”, we persevere in our efforts to improve our equipment performance and worker ability, and we sincerely hope to build good cooperation with you for our mutual prosperous business through our high-quality products and best service.
| After-sales Service: | Yes |
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| Application: | Excavator, Lawnmower, Tractor, Ke Tan, Boat, Motorbike, Truck, Car |
| Certification: | RoHS, TS16949, ISO 9001, CE |
| Warranty: | 6 Months |
| Engine Type: | Gasoline |
| Material: | Forged Steel |
| Samples: |
US$ 30/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
| Customized Request |
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Can drive belt pulleys be part of DIY automotive maintenance and repairs?
Yes, drive belt pulleys can be part of DIY automotive maintenance and repairs, depending on the specific task and the individual’s skill level. Here’s a detailed explanation:
1. Inspecting and Replacing Drive Belts:
One common DIY maintenance task involving drive belt pulleys is inspecting and replacing the drive belts. Over time, drive belts can wear out, fray, or develop cracks, affecting their performance and reliability. By following proper safety precautions and consulting the vehicle’s manual, DIY enthusiasts can visually inspect the drive belts and identify signs of wear or damage. If necessary, they can remove the old belt and install a new one, which may involve loosening or removing the drive belt pulley to facilitate the belt replacement.
2. Adjusting Belt Tension:
Another DIY task related to drive belt pulleys is adjusting the belt tension. Drive belts need to be properly tensioned for optimal performance and longevity. Some vehicles have adjustable pulleys or tensioners that allow for belt tension adjustment. DIY enthusiasts can learn how to use the appropriate tools to adjust the tension by following the vehicle’s manual or online tutorials. This task may involve loosening or tightening the drive belt pulley to achieve the desired tension.
3. Replacing Drive Belt Pulleys:
In certain cases, drive belt pulleys may become worn, damaged, or develop faults that affect their functionality. DIY enthusiasts with intermediate to advanced mechanical skills can learn to replace drive belt pulleys themselves. This task typically involves removing the drive belt, unbolting the old pulley, and installing a new one. It’s important to ensure the correct pulley size, type, and specifications are selected to maintain proper power transmission and alignment.
4. Upgrading Drive Belt Pulleys:
Some DIY enthusiasts may choose to upgrade their drive belt pulleys to improve performance or accommodate specific modifications. For example, performance-oriented enthusiasts may opt for lightweight pulleys made from materials like aluminum, which can reduce rotational mass and improve engine response. However, it’s crucial to research and select pulleys that are compatible with the vehicle’s engine and accessories, as improper pulley modifications can negatively impact performance and reliability.
5. Seeking Professional Assistance:
It’s important to note that working with drive belt pulleys and power transmission systems requires mechanical knowledge and skills. If DIY enthusiasts are unsure about their abilities or encounter complex issues, it’s recommended to seek professional assistance from qualified mechanics or automotive technicians. They have the expertise and specialized tools to handle more intricate repairs and ensure proper installation and alignment of drive belt pulleys.
By considering their skill level, following safety precautions, and consulting reliable resources, DIY enthusiasts can incorporate drive belt pulleys into their automotive maintenance and repairs. However, it’s essential to recognize personal limitations and seek professional help when needed to avoid potential risks or further damage to the vehicle.
How are drive belt pulleys customized for specific vehicle makes and models?
Drive belt pulleys are customized to meet the specific requirements of different vehicle makes and models. Here’s a detailed explanation of how drive belt pulleys are customized for specific vehicles:
1. Dimensional Specifications:
Drive belt pulleys are customized based on the dimensional specifications of the vehicle’s engine and accessory drive system. This includes considerations such as the diameter and width of the pulley, the number and shape of the grooves or ribs, and the position and alignment of the pulley relative to other components in the system. These specifications ensure proper fitment and alignment with the drive belt and other components, allowing for efficient power transmission.
2. Power Requirements:
Drive belt pulleys are designed to meet the specific power requirements of the vehicle’s engine and accessory components. This includes considerations such as the required torque capacity, rotational speed range, and power output of the driven components. By selecting the appropriate pulley materials, dimensions, and design features, the pulley can handle the power demands of the vehicle’s engine and accessories, ensuring reliable and efficient operation.
3. Accessory Integration:
Drive belt pulleys are customized to integrate with the specific accessories and systems in the vehicle. This includes accommodating the mounting and connection requirements of components such as the alternator, air conditioning compressor, power steering pump, water pump, and other accessories. The pulley design may incorporate features such as mounting flanges, bolt patterns, and keyways to ensure proper attachment and alignment with these accessories.
4. Belt Type and Size:
Drive belt pulleys are designed to work in conjunction with specific belt types and sizes. The pulley grooves or ribs are customized to match the profile and dimensions of the corresponding belt, ensuring proper engagement and power transmission. Different vehicles may use different belt configurations, such as V-belts, serpentine belts, or ribbed belts, and the pulley design is tailored to suit the specific belt type and size used in the vehicle.
5. Performance Optimization:
Drive belt pulleys can be customized to optimize the performance of the vehicle’s engine and accessory systems. This includes considerations such as adjusting the pulley size to modify the speed and power output of driven components, optimizing the pulley design for improved belt grip and reduced slippage, and balancing the pulley to minimize vibration and noise. These customizations help maximize the efficiency, durability, and overall performance of the vehicle’s power transmission system.
6. Manufacturer Specifications:
Drive belt pulleys are customized based on the specific manufacturer specifications and standards for each vehicle make and model. Automotive manufacturers provide guidelines and requirements for the design, materials, and performance characteristics of the pulleys used in their vehicles. These specifications ensure compatibility, reliability, and adherence to the manufacturer’s quality standards.
Overall, drive belt pulleys are customized for specific vehicle makes and models by considering dimensional specifications, power requirements, accessory integration, belt type and size, performance optimization, and manufacturer specifications. These customizations ensure proper fitment, efficient power transmission, and reliable operation in the vehicle’s engine and accessory drive system.
What types of drive belts are typically employed with drive belt pulleys?
Drive belt pulleys are commonly used in conjunction with different types of drive belts, depending on the specific application and requirements. Here’s a detailed explanation of the types of drive belts typically employed with drive belt pulleys:
1. V-Belts:
V-belts are one of the most commonly used types of drive belts with drive belt pulleys. They have a trapezoidal cross-section and typically feature a fabric cover and rubber construction. V-belts are designed to fit into the V-shaped grooves of the pulley and provide reliable power transmission. They are known for their flexibility, high friction grip, and ability to handle high-speed applications. V-belts are commonly used in automotive engines, industrial machinery, and various power transmission systems.
2. Serpentine Belts:
Serpentine belts, also known as multi-rib belts, have a flat cross-section with multiple ribs on one side. These belts wrap around multiple pulleys, including drive belt pulleys, in a serpentine pattern. Serpentine belts are commonly used in modern vehicles as they can drive multiple components simultaneously, such as the alternator, water pump, power steering pump, air conditioning compressor, and more. They offer efficient power transmission, high load-carrying capacity, and reduced slippage.
3. Timing Belts:
Timing belts, also referred to as toothed belts, have teeth on the inner side that mesh with corresponding grooves in timing pulleys. These belts are primarily used in engines to synchronize the rotation of the crankshaft and camshaft, ensuring precise valve timing. Timing belts are made of a flexible, reinforced material, usually rubber with embedded fibers or cords, providing excellent power transmission and resistance to wear. They are commonly used in automotive engines and other applications where timing precision is critical.
4. Flat Belts:
Flat belts have a rectangular cross-section and are made of materials such as rubber, leather, or fabric. They are often employed in applications where high-speed power transmission is required with minimal vibration and noise. Flat belts typically run on flat pulleys, which can include drive belt pulleys. They are commonly used in industrial machinery, agricultural equipment, and conveyor systems.
5. Ribbed Belts:
Ribbed belts, also known as micro V-belts or multi-rib belts, have a ribbed cross-section with multiple longitudinal ribs on one side. These ribs fit into corresponding grooves on the pulley, providing a larger contact area and enhanced power transmission capabilities. Ribbed belts are commonly used in automotive engines, power tools, and appliances. They offer high flexibility, excellent grip, and can transmit higher loads compared to standard V-belts.
6. Variable Speed Belts:
Variable speed belts, also called adjustable speed belts or link belts, are designed to provide a variable speed drive. They consist of multiple individual links connected by metal or plastic hinges. These belts can be adjusted in length by adding or removing links, allowing for flexibility in speed and torque transmission. Variable speed belts are commonly used in applications where speed variation is required, such as HVAC systems, agricultural machinery, and industrial equipment.
These are some of the types of drive belts typically employed with drive belt pulleys. The selection of the appropriate drive belt depends on factors such as the application, power requirements, speed, load, and specific performance characteristics needed for optimal power transmission.
editor by CX
2023-12-04