China Standard Vkm38237 V-Ribbed Deflection Guide Belt Idler Pulley 11281440378 for BMW alternator pulley

Product Description

BASIC INFORMATION

Description VKM38237 V-Ribbed Deflection Xihu (West Lake) Dis. Belt Idler Pulley for BMW
OE Number VKM38237 /
Size Outer Diameter1: 70 mm
Width1: 26 mm
Width2:  mm
Brand SI, PPB
Weight 0.20 Kgs
Place of Origin ZHangZhoug, China
Certification ISO9001, TS16949
Warranty 12 months or 30,000 Kms
Application BMW

OEM NUMBERS

BMW : 11 28 1 440 378

REFERENCE NUMBERS

SKFF : VKM38237
SNR : GA350.69
INAA :
BTA : E2B0001BTA
DAYCO : APV2560
DENCKERMANN : P310002
FEBI BILSTEIN : 27374
GATES : T36296
HUTCHINSON : T571
MAGNETI MARELLI : MPQ5713
OPTIMAL : 0-N1505S
RUVILLE : 55078

APPLICABLE CAR MODELS

Vehicle Models Active Years Engine Displacement Power Cons.Type
 BMW 1 (E81) 116 i 2007-2011 N45 B16 A 1596 85 Hatchback
BMW 1 (E87) 120 i 2007-2011 N43 B20 A 1995 120 Hatchback
BMW 1 Convertible (E88) 118 i 2008-2013 N46 B20 B 1995 100 Convertible
BMW 1 Coupe (E82) 120 i 2007-2013 N43 B20 A 1995 125 Coupe
BMW 3 (E46) 316 i 2002-2005 N42 B18 A,N46 B18 A 1796 85 Saloon
BMW 3 Compact (E46) 316 ti 2002-2005 N40 B16 A 1596 77 Hatchback
BMW 3 Convertible (E46) 318 Ci 2001-2007 N42 B20 A,N46 B20 A 1995 105 Convertible

DETAILED PICTURES

PACKAGING & SHIPPING

Packaging Details 1 piece in a single box
30 boxes in a carton
40 cartons in a pallet
Nearest Port ZheJiang or HangZhou
Lead Time For stock parts: 1-5 days.
If no stock parts:
<500 pcs: 15-30 days
≥500 pcs: to be negotiated.

OUR SERVICES
– We have more than 20 years experience in auto bearings fields.
– Excellent quality control is 1 of our main principles
– We offer OEM service, accept customer label, develop the product with your drawings or samples
– Any questions will get response within 24 hours.

FAQ

1.How do you make our business long-term and good relationship? 
– We keep good quality and competitive price to ensure our customers benefit ;
– We respect every customer as our friend and we sincerely do business and make friends with them,
  no matter where they come from.

 

2. Do you test all your goods before delivery?
– Yes, we have 100% test before delivery

 

3. What is your terms of payment?
– T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages
before you pay the balance.

4. What is your terms of delivery?
– EXW, FOB, CFR, CIF, DDU.

 

After-sales Service: 24 Hours
Warranty: 1 Year / 30000-50000kms
Type: Tensioner Bearing
Material: Chrome Steel
Tolerance: P0
Certification: ISO9001, TS16949
Samples:
US$ 4/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

belt pulley

What is the importance of proper pulley alignment and tensioning in belt pulley systems?

Proper pulley alignment and tensioning are of utmost importance in belt pulley systems. They directly impact the efficiency, reliability, and longevity of the system. Here’s a detailed explanation of the importance of proper pulley alignment and tensioning:

1. Power Transmission Efficiency: Proper pulley alignment and tensioning ensure efficient power transmission in belt pulley systems. Misaligned pulleys or incorrect belt tension can lead to slippage, which results in power loss. When the belts slip on the pulleys, the intended power transfer from the driving pulley to the driven pulley is compromised. By aligning the pulleys correctly and maintaining proper tension, the belts grip the pulleys securely, allowing for efficient power transmission and maximizing the system’s overall efficiency.

2. Prevents Belt Wear and Damage: Improper pulley alignment and tensioning can cause excessive belt wear and damage. Misaligned pulleys can cause the belts to run at an angle, resulting in uneven wear on the belt’s edges. This can lead to premature belt failure and the need for frequent belt replacements. Insufficient or excessive belt tension can also cause accelerated wear, as it puts additional strain on the belts. Proper alignment and tensioning help distribute the load evenly across the belts, minimizing wear and extending their lifespan.

3. Reduces Noise and Vibration: Correct pulley alignment and tensioning contribute to reducing noise and vibration in belt pulley systems. Misaligned pulleys can cause the belts to vibrate and generate noise during operation. Excessive belt tension can lead to increased vibration as well. These vibrations and noise not only affect the comfort of operators but can also impact the overall stability and performance of the system. Proper alignment and tensioning help minimize vibration and noise levels, creating a smoother and quieter operation.

4. Improves System Reliability: Proper pulley alignment and tensioning enhance the reliability of belt pulley systems. Misalignment or improper tension can lead to unexpected belt failures, system downtime, and costly repairs. When the belts slip or wear unevenly, it can cause disruptions in power transmission, resulting in reduced system performance or complete failure. Proper alignment and tensioning minimize the risk of belt-related issues, ensuring the system operates reliably and consistently.

5. Enhances Component Life: Correct pulley alignment and tensioning contribute to the longevity of system components. When the belts run smoothly and grip the pulleys properly, it reduces stress on the pulleys, bearings, and other mechanical parts. Misalignment or excessive tension can cause unnecessary strain on these components, leading to premature wear and failure. Proper alignment and tensioning help distribute the load evenly, minimizing stress and extending the life of system components.

6. Facilitates Easy Maintenance: Proper pulley alignment and tensioning make maintenance tasks easier. When pulleys are aligned correctly, it simplifies belt replacement, adjustment, or inspection procedures. Easy access to the belts and pulleys allows for efficient maintenance and reduces downtime during servicing. Additionally, proper tensioning ensures that belts can be adjusted or replaced without difficulty, improving overall serviceability of the system.

7. Optimizes System Performance: Ultimately, proper pulley alignment and tensioning optimize the performance of belt pulley systems. When the belts are aligned correctly and tensioned properly, the power transmission is efficient, wear is minimized, and vibrations are reduced. This results in reliable and consistent system operation, allowing the system to perform at its intended level of efficiency and productivity.

In summary, proper pulley alignment and tensioning are essential for efficient power transmission, prevention of belt wear and damage, reduction of noise and vibration, and improvement of system reliability. They enhance the lifespan of system components, facilitate maintenance tasks, and optimize the overall performance of belt pulley systems. By ensuring correct alignment and tension, operators can maximize the efficiency, reliability, and longevity of their belt pulley systems.

belt pulley

How do belt pulleys contribute to the operation of conveyor systems for material handling?

Belt pulleys play a crucial role in the operation of conveyor systems for material handling. Conveyor systems are widely used in industries such as manufacturing, mining, logistics, and agriculture to transport bulk materials or goods from one location to another. The belt pulleys in these systems contribute significantly to their functionality, efficiency, and reliability. Here’s a detailed explanation of how belt pulleys contribute to the operation of conveyor systems for material handling:

1. Power Transmission: Belt pulleys serve as the driving force for conveyor systems, transmitting power from an electric motor or engine to move the conveyor belt. The pulley is typically connected to the motor or engine shaft, and as it rotates, it drives the belt, which in turn transports the materials along the conveyor. The size and design of the pulley, along with the tension in the belt, determine the power transmission efficiency and the capacity of the conveyor system to handle different load weights and volumes.

2. Belt Tension and Tracking: Belt pulleys help maintain proper tension and tracking of the conveyor belt. Tensioning pulleys are used to adjust and maintain the tension in the belt, ensuring it remains taut and properly engaged with the pulleys. Tracking pulleys, also known as snub or bend pulleys, are strategically positioned to guide the belt and keep it centered on the pulley system. Proper tension and tracking prevent belt slippage, misalignment, and material spillage, ensuring smooth and reliable operation of the conveyor system.

3. Speed Control: Belt pulleys enable speed control in conveyor systems. By using different-sized pulleys or adjusting the pulley arrangement, the speed of the conveyor belt can be modified to suit specific material handling requirements. Speed control is essential for optimizing production processes, accommodating different material characteristics, and ensuring efficient material flow along the conveyor system.

4. Directional Changes: Belt pulleys facilitate directional changes in conveyor systems. By incorporating various pulley configurations, such as drive pulleys, idler pulleys, and bend pulleys, the conveyor belt can be guided around curves or redirected to different paths. This allows for flexible routing and layout of the conveyor system to adapt to space constraints or specific material flow patterns in material handling operations.

5. Load Distribution: Belt pulleys contribute to the even distribution of the load on the conveyor belt. As the belt wraps around the pulleys, the contact area between the belt and pulley surface spreads the load across a larger surface area. This load distribution minimizes stress concentration, reduces belt wear, and extends the operational life of the conveyor system.

6. Maintenance and Safety: Belt pulleys play a role in the maintenance and safety of conveyor systems. Accessible pulleys allow for easy inspection, cleaning, and maintenance of the conveyor belt. Pulley guards and covers provide protection against accidental contact with moving parts, enhancing the safety of personnel working around the conveyor system.

7. Customization and Adaptability: Belt pulleys can be customized and designed to meet specific material handling requirements. They can be manufactured in various sizes, materials, and configurations to accommodate different belt widths, load capacities, and environmental conditions. This customization ensures that the belt pulleys are optimized for the specific needs of the material handling application.

In summary, belt pulleys are integral components of conveyor systems for material handling. They contribute to power transmission, belt tensioning, speed control, directional changes, load distribution, and overall system maintenance and safety. By utilizing appropriately sized and designed belt pulleys, conveyor systems can efficiently and reliably transport bulk materials or goods, enhancing productivity and streamlining material handling operations in various industries.

belt pulley

What is a belt pulley, and how is it used in mechanical systems?

A belt pulley is a mechanical device used in various systems to transmit power and motion between rotating shafts. It consists of a wheel with a grooved rim, known as the pulley, that is connected to a shaft. The pulley is typically made of materials such as cast iron, steel, or aluminum. It is used in conjunction with a belt or a rope to transfer rotational motion from one shaft to another. Here’s a detailed explanation:

A belt pulley is essential in mechanical systems for the following purposes:

  • Power Transmission: The primary function of a belt pulley is to transmit power between rotating shafts. It connects the driving shaft (input) to the driven shaft (output) through a belt or a rope. When the driving shaft rotates, the belt or rope engages with the grooves on the pulley, causing the pulley and the driven shaft to rotate. This allows power to be transferred from the driving shaft to the driven shaft, enabling the operation of various mechanical components or systems.
  • Speed Control: Belt pulleys are used to control the rotational speed of driven shafts. By varying the size or ratio of the pulleys connected by the belt, the rotational speed can be adjusted. Using different-sized pulleys, it is possible to increase or decrease the speed of the driven shaft compared to the driving shaft. This speed control capability is beneficial in applications where different rotational speeds are required for specific operations or to match the requirements of different components in a system.
  • Directional Change: Belt pulleys also enable the change of direction in mechanical systems. By arranging multiple pulleys with belts or ropes in a system, the rotational motion can be redirected. For example, a system with two pulleys connected by a belt can change the direction of the driven shaft compared to the driving shaft. This directional change allows for the transmission of power and motion in desired orientations, enabling the operation of mechanical components or systems in different directions.
  • Tension Control: Belt pulleys play a role in maintaining proper tension in belt-driven systems. The tension in the belt is important to ensure a secure and reliable connection between the pulleys. Pulleys with adjustable features, such as tensioning systems or idler pulleys, help maintain the optimal tension in the belt. Proper tension control prevents belt slippage, ensures efficient power transmission, and reduces wear on the belt and pulley surfaces.
  • Noise and Vibration Reduction: Belt pulleys contribute to noise and vibration reduction in mechanical systems. The design of the pulley, including the groove profile and surface finish, can help minimize noise and vibration generated during operation. Additionally, proper alignment and tensioning of the belt ensure smoother engagement with the pulley, reducing noise and vibration levels. This is particularly important in applications that require quiet operation or where excessive vibrations can affect system performance or operator comfort.
  • Compatibility and Interchangeability: Belt pulleys offer compatibility and interchangeability benefits in mechanical systems. They provide a flexible and modular approach to power transmission, allowing different pulleys to be easily interchanged or replaced based on specific requirements. This versatility enables system designers and operators to adapt and modify mechanical systems more efficiently, making it easier to accommodate changes in load, speed, or other operational parameters.

In summary, a belt pulley is a mechanical device used for power transmission and motion control in various mechanical systems. It connects rotating shafts through belts or ropes, allowing power to be transmitted from one shaft to another. Belt pulleys provide speed control, directional change, tension control, noise and vibration reduction, as well as compatibility and interchangeability benefits. By utilizing belt pulleys, mechanical systems can efficiently transfer power, control speeds, and enable the operation of different components or systems in desired directions.

China Standard Vkm38237 V-Ribbed Deflection Guide Belt Idler Pulley 11281440378 for BMW   alternator pulley	China Standard Vkm38237 V-Ribbed Deflection Guide Belt Idler Pulley 11281440378 for BMW   alternator pulley
editor by CX