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China Best Sales Vkm38350 Timing Belt Tensioner Pulley 11287505224 11287542680 11287549588 for BMW idler pulley

Product Description

BASIC INFORMATION

Description VKM38350 Timing Belt Tensioner Pulley 11287542680 11287549588 for BMW
OE Number VKM38350 /
Other information Without holder
Size Outer Diameter1: 70 mm
Width1: 26 mm
Brand SI, PPB
Weight  Kgs
Place of Origin ZHangZhoug, China
Certification ISO9
BMW :
BMW :
BMW : 7505224
BMW : 7542680
BMW : 7549588

REFERENCE NUMBERS

SKFF : VKM 38350
SNR : GA350.91
INAA :
AKRON-MALO : 1575711
AUTEX : 6013
AUTOTEAM : A5716
BREDA LORETT : TOA3474
BTA : E2B
DAYCO : APV2305
DENCKERMANN : P21571
FEBEST : 1987-E46
FEBI BILSTEIN : 21629
FLENNOR : FA99773
GATES : T39148
HUTCHINSON : T571
IPD : 10-5715
KAMOKA : R
LUCAS : LA0501
OPTIMAL : 0-N1507
OPTIMAL : 0-N1507S
OSSCA : 34724
REPKIT : RKT2253
RUVILLE : 55047
STELLOX : 03-4571-SX
SWAG :
TOPRAN : 501 228
TRISCAN : 8641 113014
TRUCKTEC AUTOMOTIVE : 08.19.146
URO Parts :
URO Parts :
URO Parts :
URO Parts :
VAICO : V20-0338
WILMINK GROUP : WG1253367
WILMINK GROUP : WG1427824
WXQP : 210861

APPLICABLE CAR MODELS

Vehicle Models Active Years Engine Displacement Power Cons.Type
BMW 5 (E60) 540 i 2007-2009 N62 B40 A 4000 225 Saloon
BMW 5 Touring (E61) 545 i 2004-2571 N62 B44 A 4398 245 Estate
BMW 6 (E63) 645 Ci 2003-2005 N62 B44 A 4398 245 Coupe
BMW 6 Convertible (E64) 645 Ci 2004-2005 N62 B44 A 4398 245 Convertible
BMW 7 (E65, E66, E67) 735 i, Li 2001-2005 N62 B36 A 3600 200 Saloon
BMW X5 (E53) 4.4 i 2003-2006 N62 B44 A 4398 235 SUV

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.

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After-sales Service: 24 Hours
Warranty: 1 Year / 30000-50000kms
Type: Tensioner Bearing
Material: Chrome Steel
Tolerance: P0
Certification: ISO9001, TS16949
Samples:
US$ 2/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

timing pulley

What types of materials are typically used to manufacture timing pulleys?

Timing pulleys are manufactured using a variety of materials, each chosen based on its specific properties and performance requirements. Here are some of the materials typically used:

1. Steel:

Steel is a commonly used material for timing pulleys due to its high strength, durability, and resistance to wear. Steel pulleys can withstand heavy loads and high-speed applications. They are often used in industrial machinery, automotive engines, and power transmission systems that require robust and reliable performance.

2. Aluminum:

Aluminum timing pulleys are favored for their lightweight nature, corrosion resistance, and excellent heat dissipation properties. They are commonly used in applications where weight reduction is a priority, such as aerospace and automotive industries. Aluminum pulleys are also suitable for high-speed applications where reduced inertia is desired.

3. Cast Iron:

Cast iron timing pulleys offer excellent strength and durability. They are known for their high load-carrying capacity and resistance to wear and deformation. Cast iron pulleys are commonly used in heavy-duty industrial applications that involve high loads and harsh operating conditions.

4. Engineering Plastics:

Various engineering plastics, such as polyamide (nylon), polyoxymethylene (acetal), and polycarbonate, are used to manufacture timing pulleys. These materials offer good strength, wear resistance, and low friction properties. Engineering plastic pulleys are often chosen for their lightweight, low noise, and self-lubricating characteristics. They find applications in industries such as packaging, food processing, and automation.

5. Composite Materials:

Composite materials, which combine different materials such as carbon fibers or glass fibers with a polymer matrix, are used to manufacture high-performance timing pulleys. These pulleys offer exceptional strength-to-weight ratios, high stiffness, and excellent resistance to temperature and chemicals. Composite pulleys are typically used in demanding applications that require lightweight construction and high performance, such as motorsports and advanced machinery.

6. Other Materials:

Depending on the specific application requirements, timing pulleys can also be manufactured using materials such as brass, bronze, or stainless steel, which offer specific properties like corrosion resistance or electrical conductivity.

The choice of material for timing pulleys depends on factors such as load capacity, speed, operating conditions, environmental factors, and cost considerations. Manufacturers select the most suitable material to ensure optimal performance, durability, and reliability in the intended application.

timing pulley

How do timing pulleys impact the performance of 3D printers?

Timing pulleys play a significant role in determining the performance and accuracy of 3D printers. Here’s an explanation of how timing pulleys impact the performance of 3D printers:

1. Motion Control:

Timing pulleys, in conjunction with belts or chains, are used to control the movement of the print head and build platform in 3D printers. The motor drives the driving pulley, which is connected to the print head or build platform through a timing belt or chain. The driven pulley on the print head or build platform receives the rotational motion from the driving pulley, resulting in precise and synchronized movement. The accuracy and quality of the printed object depend on the precise control and synchronization facilitated by the timing pulleys.

2. Positioning Accuracy:

Timing pulleys contribute to the positioning accuracy of 3D printers. The teeth on the timing belt or chain mesh with the teeth on the pulleys, creating positive engagement. This ensures that the print head or build platform moves precisely according to the instructions from the control system. The accuracy of the timing pulley system directly affects the dimensional accuracy and surface finish of the printed object.

3. Speed and Acceleration:

Timing pulleys allow for control of the speed and acceleration of the print head and build platform in 3D printers. By varying the diameter or the number of teeth on the pulleys, different gear ratios can be achieved. This enables printers to control the speed and acceleration of the print head or build platform, affecting printing time, print quality, and the ability to handle intricate details and complex geometries.

4. Print Resolution:

The resolution of a 3D printer refers to the smallest feature size that can be accurately reproduced. Timing pulleys play a role in determining the achievable print resolution. The finer the pitch and the more teeth per unit length on the timing belt or chain, the higher the resolution that can be achieved. Timing pulleys with smaller teeth allow for finer positioning and more precise movement, enabling the printer to produce objects with intricate details and smooth surfaces.

5. Noise and Vibration:

Properly designed and maintained timing pulley systems contribute to reducing noise and vibration in 3D printers. Well-aligned and tensioned timing belts or chains, along with accurately machined pulleys, minimize backlash and ensure smooth and quiet operation. This is particularly important during rapid movements and changes in direction, as excessive noise and vibration can affect print quality and overall printer performance.

6. Maintenance and Durability:

The durability and maintenance requirements of the timing pulley system impact the overall performance of 3D printers. High-quality timing pulleys and belts or chains are essential to ensure longevity and reliable operation. Regular inspection, tensioning, and replacement of worn or damaged components are necessary to maintain optimal performance and prevent print quality issues caused by a degraded timing pulley system.

7. Extruder and Filament Control:

In addition to controlling the movement of the print head and build platform, timing pulleys may also be used in the extruder assembly of 3D printers. Timing pulleys help drive the filament feeding mechanism, ensuring consistent and controlled extrusion of the filament during the printing process. The accurate and synchronized movement facilitated by the timing pulleys contributes to maintaining filament tension and preventing issues such as under-extrusion or filament jams.

By understanding the impact of timing pulleys on 3D printer performance, manufacturers and users can optimize the design, calibration, and maintenance of the timing pulley systems to achieve accurate, reliable, and high-quality 3D prints.

timing pulley

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

A timing pulley, also known as a synchronous pulley, is a type of pulley specifically designed to work with toothed belts or timing belts. It features grooves or teeth on its circumferential surface that mesh with corresponding teeth on the belt. Timing pulleys are used in mechanical systems that require precise and synchronized power transmission, where accurate timing and positioning are crucial. Here’s an explanation of the role and usage of timing pulleys in mechanical systems:

1. Power Transmission:

The primary function of a timing pulley is to transmit rotational motion and power between two or more shafts in a mechanical system. The teeth on the pulley engage with the teeth on the timing belt, creating a positive drive system. This positive engagement ensures that the pulley and the belt move together without slipping, providing accurate timing and power transfer.

2. Synchronization:

Timing pulleys are used to synchronize the rotation of different components in a mechanical system. By using matching timing belts and pulleys, the rotational motion of the driving pulley is transferred precisely to the driven pulleys. This synchronization is critical in applications that require accurate timing, such as in engines, printers, CNC machines, and robotics.

3. Speed and Torque Control:

Timing pulleys allow for control over the speed and torque in mechanical systems. By varying the diameter or the number of teeth on the pulleys, different speed ratios can be achieved between the driving and driven shafts. This feature enables the adjustment of rotational speed and torque according to the specific requirements of the application.

4. Positioning and Indexing:

Timing pulleys are often used for precise positioning and indexing of components in mechanical systems. The teeth on the pulley and the timing belt ensure accurate movement and positioning of parts, allowing for repeatable and controlled motion. This makes timing pulleys suitable for applications such as automated assembly lines, 3D printers, and precision motion control systems.

5. Low Maintenance:

Timing pulleys and belts require minimal maintenance due to their design. The toothed profile prevents slippage and eliminates the need for constant tension adjustments. Additionally, they operate with minimal noise and vibration, reducing the wear and tear on the system and increasing its overall reliability.

6. Variations and Configurations:

Timing pulleys are available in various sizes, materials, and configurations to suit different applications. They can be made from materials such as aluminum, steel, or plastic, depending on the requirements of the system. Furthermore, timing pulleys can have different tooth profiles, pitch sizes, and numbers of teeth, allowing for customization based on the specific power transmission needs.

In summary, timing pulleys are specialized pulleys used in mechanical systems to provide precise and synchronized power transmission, accurate timing and positioning, speed and torque control, and low-maintenance operation. Their use is prevalent in applications that require reliable and controlled motion, such as engines, robotics, CNC machines, and automated systems.

China Best Sales Vkm38350 Timing Belt Tensioner Pulley 11287505224 11287542680 11287549588 for BMW   idler pulley	China Best Sales Vkm38350 Timing Belt Tensioner Pulley 11287505224 11287542680 11287549588 for BMW   idler pulley
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