China manufacturer Casting and Machining Belt Pulley for Italy Customer with high quality

Product Description

Casting and Machining Belt Pulley for Italy customer

1. Material: Cast iron GG25, Ductile iron,grey iron
2. Process: machining – phosphating
3. Size:1C230,1C250,1C170,1B250,1B230

Specifications

 

Various Types of Pulley GG20/GG25/GG30/V-Belt Pluuey 
1.Produce as drawings 
2.on time delivery 
3.ISO,CCC Reliable qualit 
 

 

Various Types of  Pulley GG20/GG25/GG30/V-Belt pulley

Specifications:

Process: casting-machining-palstics spraying-packaging

Technical: sand casting

Material: China-HT200/HT250/HT300  Germery-GG20/GG25/GG30

Dimension: as customer’s request

Casting level: CT10-CT11

Surface roughness: Ra25

Packaging: wooden cases or as customer’s drawings

Surface treatment: shot blasting, plastic spraying, paint spraying

Equipment: cupola, electric furnace

Weight: 0.5kg-100kg

Surface colour: plastic spraying RAL2004/black paint/ antirust paint

Inspection:

  In-house and third partyUniversal

All the products are strictly inspected by the operators and skilled QC

  inspection tools: hardness tester, height ruler

 Production Procedure:

 

Drawings→Mould developing→Raw casting→Sandblasting→Rough machining or finish machining→Surface treatment→Inspection→Packing→Delivery strictly

 

We can produce the pulleys according to the drawings and samples provided by the customers with excellent quality and competitive price.

As an experienced casting manufacturer, we assure you the quality! Our products are through careful inspection, and our quality is high and reliable which have been achieved cutomers’ satisfaction!

If you are interested in our products, please do not hesitate to contact us!

HangZhou Jiangdashengye Trade co.,ltd.

OEM SERVICES

Service

Drawings or samples processing/OEM/ODM service provided

Produce Process

Drawings→ mould making →raw casting → sandblasting →rough machining or finish machining →surface treatment →product checking→ packing →delivering

Casting Material

Cast Iron, Grey Iron, Ductile Iron,Carbon Steel, Stainless steel, Alloy steel, 
Aluminum, Aluminum alloy etc.

Standard

ISO, GB, ASTM, DIN, JIS

Equipment

melting furnace, centrifugal casting machines coated CHINAMFG machine CNC machines turning machines grinding machines milling machines drilling machine punching machines laser carving machine

Surface treatment

Heat treatment, Polishing, Sand blasting, Painting, Electro-plating, Chemical Plating,

 and other machining processing.

Inspection

Equipments

Spectrum analysis instrument, Metallurgical analysis, Tensile strength tester, Hardness tester, Roughness tester, deflection tester, Impact test machine, Projector, Altimeter, Scale Micrometer, pressure tester, etc.

Delivery

Sample sent to customer by air.

Large quantity products delivered to customer by sea from xingang,China

Payment terms

L/C at sight or 30% T/T as deposit and balanced 70% to pay before

v pulley, v belt pulley, v groove pulley, v groove belt pulley, taper lock pulley, taper lock v belt pulley, taper lock bushing pulley, taper lock pulleys / taper bore pulley, large v belt pulley, double v belt pulley, cast iron v belt pulley belt pulley, variable speed v belt pulleys, v belt pulley split pulley, cast iron v belt pulley

V belt pulley specifications:

1) European standard:    

a) V-belt pulleys for taper bushings: SPZ, SPA, SPB, SPC; up to 10 grooves   

b) Adjustable speed V-belt pulleys and variable speed pulleys   

c) Flat belt pulleys and conveyor belt pulleys

2) American standard:   

a) Sheaves for taper bushings: 3V, 5V, 8V    

b) Sheaves for QD bushings: 3V, 5V, 8V   

c) Sheaves for split taper bushings: 3V, 5V, 8V   

d) Sheaves for 3L, 4L or A, and 5L or B belts: AK, AKH, 2AK, 2AKH, BK, BKH,2BK, 2BKH, 3BK   

e) Adjustable sheaves: poly V-pulley, multi-pitch H, L, J, K and M

3) Bore: pilot bore, finished bore, taper bore, bore for QD bushing

4) Surface finish: paint, phosphating, zinc plated

5) Material: cast iron, ductile iron, nylon, aluminum

6) Made according to drawings and/or samples, OEM inquiries welcomed

Now we send photo of our production as follows:
 

Size: 1c250
Size2: 1c230
Size3: 1b270
Size4: 1b250
Name: Casting and Machining Belt Pulley
Transport Package: Wooden Packing
Samples:
US$ 3.5/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

pulley

Can V pulleys withstand variations in environmental conditions?

V pulleys are designed to withstand variations in environmental conditions to a certain extent. However, their ability to withstand different environmental factors depends on several factors, including the materials used, the specific design of the pulley, and the maintenance practices employed. Here is a detailed explanation:

1. Temperature:

V pulleys can generally withstand a wide range of temperatures. The specific temperature limits depend on the materials used for construction. For example:

  • Cast iron and steel pulleys can handle high temperatures and are suitable for applications in industrial environments.
  • Aluminum pulleys have a lower temperature limit, and excessive heat can affect their structural integrity.
  • Plastic pulleys may have temperature limitations, and exposure to high temperatures can cause deformation or melting.

It’s important to consider the temperature range in which the V pulleys will operate and select materials accordingly.

2. Moisture and Corrosion:

V pulleys can be susceptible to corrosion, particularly if they are made of materials like cast iron or steel. Exposure to moisture, humidity, or corrosive substances in the environment can lead to rust or degradation of the pulley components.

To mitigate corrosion risks, protective measures can be taken, such as:

  • Using corrosion-resistant materials like stainless steel or aluminum alloy.
  • Applying coatings or finishes like zinc plating, powder coating, or anodizing to provide a barrier against moisture and corrosive agents.
  • Regular cleaning and maintenance to remove accumulated dirt, debris, or corrosive substances.

3. Dust and Contaminants:

V pulleys may be exposed to dust, dirt, and other contaminants present in the environment. These particles can accumulate in the pulley grooves, affecting the grip and performance of the V-belt.

To minimize the impact of dust and contaminants:

  • Implement proper guarding to prevent the ingress of debris and contaminants.
  • Regularly clean the pulleys to remove accumulated dirt and ensure smooth belt operation.
  • Consider using pulley covers or seals to provide additional protection against contamination.

4. Shock and Vibration:

V pulleys may be subjected to shock loads or vibrations in certain applications. These dynamic forces can affect the overall performance and integrity of the pulley and the power transmission system.

Design considerations, such as proper balancing, robust construction, and secure hub attachment, can help minimize the impact of shock and vibration on the pulleys.

5. UV Exposure:

If V pulleys are used in outdoor applications, they may be exposed to ultraviolet (UV) radiation from sunlight. Prolonged UV exposure can degrade certain materials, particularly plastics, causing them to become brittle or discolored.

If UV exposure is a concern, selecting materials with UV-resistant properties or applying protective coatings can help mitigate the effects of UV radiation.

While V pulleys are designed to withstand variations in environmental conditions, it is essential to consider the specific requirements of the application and select appropriate materials, coatings, and maintenance practices to ensure their long-term performance and durability.

pulley

How are V pulleys employed in automotive engines and accessories?

V pulleys play a crucial role in automotive engines and accessories by enabling efficient power transmission and driving various engine components. Here’s a detailed explanation of how V pulleys are employed in automotive engines and accessories:

1. Serpentine Belt System:

Modern automotive engines often utilize a serpentine belt system, which consists of a single, continuous belt that drives multiple engine accessories. The V pulley is a key component in this system, as it provides the necessary driving force for the serpentine belt.

2. Crankshaft Pulley:

The crankshaft pulley is one of the primary V pulleys in an automotive engine. It is connected to the crankshaft, which converts the reciprocating motion of the pistons into rotational motion. The crankshaft pulley drives the serpentine belt, which, in turn, drives various engine accessories.

3. Accessories Driven by V Pulleys:

V pulleys are responsible for driving several important engine accessories, including:

  • Alternator: The alternator generates electrical power to charge the battery and power the vehicle’s electrical systems.
  • Power Steering Pump: The power steering pump provides hydraulic assistance to make steering easier for the driver.
  • Air Conditioning Compressor: The air conditioning compressor pressurizes refrigerant to cool the cabin air.
  • Water Pump: The water pump circulates coolant throughout the engine to maintain optimal operating temperature.
  • Engine Cooling Fan: In some vehicles, the engine cooling fan is driven by a V pulley to regulate the engine temperature.

4. Speed Control and Belt Routing:

V pulleys allow for speed control and belt routing in automotive engines. By using different-sized pulleys, the speed ratio between the crankshaft pulley and the driven accessories can be adjusted. This ensures that the accessories operate at the desired speed for optimal performance.

Additionally, V pulleys and the serpentine belt system allow for efficient belt routing, maximizing the available space in the engine compartment and optimizing the packaging of engine accessories.

5. Tensioning and Belt Alignment:

Proper tensioning and belt alignment are critical for efficient power transmission and preventing belt slippage or premature wear. V pulleys in automotive engines are often accompanied by tensioners and idler pulleys that help maintain the correct tension in the serpentine belt and ensure proper belt alignment.

6. Durability and Maintenance:

V pulleys used in automotive engines are designed to withstand the demanding conditions of engine operation, including high temperatures, vibrations, and continuous rotation. They are typically made of durable materials such as steel or aluminum.

Regular maintenance, including periodic inspection, tension adjustment, and belt replacement, is necessary to ensure the efficient operation of the V pulley system in automotive engines and accessories.

Overall, V pulleys are essential components in automotive engines and accessories, providing reliable power transmission and driving various engine systems. Their design features, combined with the serpentine belt system, contribute to the efficient operation of automotive engines, ensuring optimal performance and functionality of engine accessories.

pulley

What is a V pulley, and how does it function in mechanical systems?

A V pulley, also known as a V-belt pulley or a sheave, is a mechanical component used in power transmission systems. Here’s an explanation of what a V pulley is and how it functions:

A V pulley is a pulley with a V-shaped groove on its outer circumference. It is typically made of metal, such as cast iron or steel, and is designed to work in conjunction with V-belts, which are flexible rubber belts with a trapezoidal cross-section. The V pulley and V-belt combination form a friction-based power transmission system.

Function:

The primary function of a V pulley is to transmit power between a driving source, such as an electric motor or an engine, and a driven component, such as a pump, a generator, or a machine. The V-belt wraps around the V pulley, fitting into the groove, and forms a frictional contact. When the driving source rotates the V pulley, the friction between the V-belt and the pulley enables the transfer of rotational motion and torque to the driven component.

Advantages:

1. Slip Reduction: The V-shaped groove on the pulley and the corresponding shape of the V-belt create a wedging action that enhances the grip between the pulley and the belt. This reduces the likelihood of slippage, even under heavy loads or during sudden changes in speed or direction.

2. High Torque Transmission: The design of the V pulley allows for the transmission of high levels of torque. The wedging action and increased contact area between the pulley and the belt enable efficient power transfer without excessive belt tension.

3. Speed Variation: By changing the diameter of the V pulley, different speed ratios can be achieved in the power transmission system. This provides flexibility in adjusting the speed of the driven component relative to the driving source, allowing for proper matching of operational requirements.

4. Damping Effect: The flexibility of the V-belt and the slight elasticity of the rubber material provide a damping effect, which helps mitigate vibrations and shocks in the mechanical system. This contributes to smoother operation, reduced noise, and increased component longevity.

5. Ease of Installation and Maintenance: V pulleys are relatively easy to install and maintain. The V-belts can be easily tensioned or replaced when necessary, and the pulleys can be readily mounted on shafts or bearings using standard mounting techniques.

Applications:

V pulleys find widespread use in various mechanical systems, including:

  • Automotive applications, such as in engines, water pumps, and air conditioning compressors.
  • Industrial machinery, such as conveyor systems, agricultural equipment, and machine tools.
  • HVAC systems, where V pulleys are used in fans, blowers, and pumps.
  • Power transmission systems in appliances, such as washing machines, dryers, and power tools.

By utilizing V pulleys in mechanical systems, efficient and reliable power transmission can be achieved, enabling the smooth operation of various devices and equipment.

China manufacturer Casting and Machining Belt Pulley for Italy Customer   with high quality China manufacturer Casting and Machining Belt Pulley for Italy Customer   with high quality
editor by CX

2023-11-21

V Pulley

As one of the V pulley manufacturers, suppliers, and exporters of mechanical products, We offer hydraulic cylinders and many other products.

Please get in touch with us for details.

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