Product Description
Product Description
· European standards :
a) V-belt pulley for taper bushing: SPZ, SPA, SPB, SPC
b) Adjustable speed V-belt pulleys and variable speed pulleys
c) Flat belt pulleys and conveyor belt pulleys
· Bore: Pilot bore, finish bore, taper bore, and bore for QD bushing
· Parts can be made according to drawings or samples
Detailed Photos
Product Parameters
Certifications
We have got many patent certifacates and authorizations for our casting parts.
Packaging & Shipping
Normally we pack the goods with plastic film and wooden pallet, if you have any special requests feel free to advise us.
Company Profile
HangZhou CHINAMFG Machinery Equipment Co., Ltd. was established on February 1st, 2018. It is located at No. 27, Xihu (West Lake) Dis.shao Avenue, South China Advanced Equipment Park, Xihu (West Lake) Dis. District, HangZhou City, ZheJiang Province China. It covers an area of 40,000 square CHINAMFG and a total of 27,000 square CHINAMFG of workshops, with a total investment of 120 million RMB. So far, there are more than 140 employees, more than 100 workshop workers, 3 senior engineers, 5 quality inspectors, 3 purchasing personnel, and more than 20 persons of all functional departments. The predecessor of the company was HangZhou Zhuwang Machinery Equipment Co., Ltd., which was established on September 26th, 2014.
The company is equipped with a set of fully automatic double-head static pressure casting production line equipment, sand mold size 1200*1000*250/250, a total of 202 sand boxes, with a set of 2*3tons electric CHINAMFG and a set of 2*2tons electric furnace, a set of 120-ton sand processing equipment, realizes automatic operation of casting production, and can produce 5,000 tons of various castings every month, and can produce castings with specifications of 5-200 kg.
The company is specializing in producing and selling castings of various specifications, such as: precision castings, auto parts castings, mechanical castings, valve castings, etc. Our company’s product quality is high-quality, and we always adhere to and implement the “quality is the foundation of enterprise survival, and provide users with satisfactory products and services are our CHINAMFG pursuit “quality policy.
The company’s products are all in line with the national standard (GB), with rich varieties and complete specifications. They are widely used in petroleum, chemical, electric power, boiler, ship, machinery and other industries. They have been sold around over the country and have been well received by many customers.
After Sales Service
For after-sale stage, our service team always keep close contact with you and always stand by at your service. Our warranty is 12 months after delivery. If there is any defect about our products and our service, please keep us informed. We will deal with them unconditionally.
FAQ
1) What is your main product?
Our major products are V-belt pulleys, manhole covers and types of casting parts.
2) Do you have MOQ for your product?
Normally our MOQ is 1*20 feet container, but if you want to make some trial orders, feel free to contact us.
3) How about your delivery time?
In hot season it is about 1 month, in slack season it is only about 15 workdays.
4) What is your payment term?
T/T, L/C, Western Union
5) Can you send me a price list?
Of course, pls contact us and get it.
6) Can you provide samples?
Sure, free samples will be provided, just contact us.
| Certification: | ISO |
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| Pulley Sizes: | Type C |
| Manufacturing Process: | Casting |
| Samples: |
US$ 300/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can V pulleys be customized for specific machinery and equipment?
Yes, V pulleys can be customized to meet the specific requirements of machinery and equipment. Here’s an explanation of how V pulleys can be customized:
1. Pulley Material:
V pulleys can be customized in terms of material selection. Different materials, such as cast iron, steel, aluminum, and plastic, offer varying levels of strength, durability, and corrosion resistance. The choice of pulley material depends on factors like the application environment, load capacity, and operating conditions. Customizing the pulley material ensures compatibility and optimal performance in specific machinery and equipment.
2. Pulley Dimensions:
The dimensions of V pulleys can be customized to match the requirements of machinery and equipment. This includes the diameter, width, and groove profile of the pulley. By adjusting these dimensions, the pulley can be tailored to provide the desired speed ratio, torque transmission, and belt compatibility. Customizing the pulley dimensions ensures proper power transmission and efficient operation in specific applications.
3. Keyways and Bores:
V pulleys can be customized with keyways and bores to securely fit onto shafts or spindles of machinery and equipment. Keyways are slots on the pulley that align with corresponding key slots on the shaft, preventing slippage and ensuring a positive drive connection. Bores are customized to match the diameter and configuration of the shaft. Customizing keyways and bores allows for a precise and secure fit, eliminating any potential for misalignment or movement during operation.
4. Coatings and Finishes:
V pulleys can be customized with coatings and finishes to enhance their performance and durability. Coatings such as zinc plating or powder coating provide corrosion resistance, protecting the pulley from environmental factors. Finishes like black oxide or anodizing can improve the pulley’s aesthetics and surface hardness. Customizing coatings and finishes ensures the pulleys can withstand the specific operating conditions and extend their service life.
5. Special Features:
In some cases, V pulleys can be customized with special features to meet unique requirements. This may include adding balancing features for high-speed applications, incorporating additional mounting holes or brackets, or modifying the pulley design to accommodate specific accessories or components. Customizing pulleys with special features allows for seamless integration with specific machinery and equipment.
Customization of V pulleys is typically done in collaboration with manufacturers or suppliers who specialize in power transmission components. They can provide engineering expertise and guidance to ensure that the customized pulleys meet the specific requirements and performance expectations of the machinery and equipment.
In conclusion, V pulleys can be customized in terms of material, dimensions, keyways, bores, coatings, finishes, and special features to suit the needs of specific machinery and equipment. Customization ensures compatibility, optimal performance, and reliable power transmission in diverse applications.
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.
What are the primary components and design features of a V pulley?
A V pulley, also known as a V-belt pulley or sheave, consists of several primary components and design features that enable its functionality. Here’s an explanation of the primary components and design features of a V pulley:
1. Body:
The body of a V pulley is the main structural component. It is typically made of metal, such as cast iron or steel, to provide strength and durability. The body is designed to support the V-belt and transmit power from the driving source to the driven component. It may have a solid construction or be split into two halves for easy installation or replacement.
2. Groove:
The groove is a key design feature of a V pulley. It is a V-shaped channel or groove that runs along the outer circumference of the pulley. The groove is specifically designed to accommodate the V-belt with a corresponding trapezoidal cross-section. The V shape of the groove enhances the grip between the pulley and the belt, ensuring efficient power transmission and reducing the risk of slippage.
3. Diameter:
The diameter of a V pulley refers to the distance across its outer circumference. It plays a crucial role in determining the speed ratio and torque transmission of the power transmission system. By changing the diameter of the pulley, different speed ratios can be achieved between the driving source and the driven component. Larger pulley diameters generally result in higher belt speeds and lower torque, while smaller diameters lead to slower belt speeds and higher torque.
4. Number of Grooves:
V pulleys can have a single groove or multiple grooves, depending on the specific application. The number of grooves corresponds to the number of V-belts used in the power transmission system. Multiple grooves allow for the simultaneous power transmission to multiple driven components, such as in systems with multiple accessories or pulleys in automotive engines.
5. Tapered or Straight Design:
V pulleys can have a tapered or straight design, depending on the requirements of the application. Tapered pulleys are wider at one end and narrower at the other, allowing for easier belt installation and improved belt tracking. Straight pulleys have a consistent width along their entire circumference and are commonly used in applications where belt tracking is not a significant concern.
6. Surface Finish:
The surface finish of a V pulley is important for optimizing the performance and lifespan of the V-belt. The pulley’s surface should be smooth and free from any roughness or irregularities that could cause excessive belt wear or damage. Proper surface finish ensures proper belt contact, reduces friction, and enhances the overall efficiency of the power transmission system.
7. Mounting Mechanism:
V pulleys are mounted on shafts or bearings using various mounting mechanisms, such as set screws, bolts, or keyways. The mounting mechanism ensures secure and reliable attachment of the pulley to the rotating shaft, allowing for the transmission of rotational motion and torque.
By considering these primary components and design features, engineers can select and design V pulleys that are suitable for specific applications, ensuring efficient power transmission and reliable operation in mechanical systems.
editor by CX
2023-11-20