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.
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| Certification: | ISO |
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| Pulley Sizes: | Type Z |
| Manufacturing Process: | Casting |
| Samples: |
US$ 50/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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How do V pulleys handle different belt types and sizes?
V pulleys are designed to accommodate different belt types and sizes to ensure efficient power transmission. Here’s an explanation of how V pulleys handle variations in belt types and sizes:
1. Groove Profile:
The groove profile of a V pulley is specifically designed to match the shape of the V-belt used in the power transmission system. The angle, depth, and width of the groove are tailored to the corresponding V-belt dimensions. This ensures that the belt fits securely and engages properly with the pulley, creating the necessary friction for effective power transmission.
2. Belt Width:
V pulleys are available in different widths to accommodate belts of varying widths. The pulley width corresponds to the nominal width of the belt it is designed to work with. It is important to select a pulley with the appropriate width to ensure proper alignment and engagement of the belt.
3. Belt Type:
V pulleys can handle different types of V-belts, such as:
- Classical V-Belts: These are standard V-belts with a trapezoidal cross-section and are commonly used in various industrial applications.
- Narrow V-Belts: These belts have a narrower width and are used in applications where space is limited or higher speeds are required.
- Double V-Belts: Also known as hexagonal V-belts, these belts have a double-sided V-shaped cross-section and are designed to transmit power on both sides of the belt.
- Cogged V-Belts: These belts have notches or cogs on the inner surface, which allow for higher power transmission capacity and improved flexibility.
- Variable Speed V-Belts: These belts are designed to operate efficiently at varying speeds and provide a wide range of speed ratios.
- Synchronous Belts: These belts have teeth that mesh with corresponding grooves in the pulley, providing precise power transmission and eliminating slippage.
Each belt type has specific design characteristics, and V pulleys are manufactured to match the corresponding belt type for optimal performance.
4. Tensioning:
V pulleys are designed to work in conjunction with belt tensioning mechanisms to maintain the required tension in the belt. Tensioning devices such as idler pulleys or tensioners are used to adjust the tension and ensure proper belt engagement with the pulley.
5. Speed Ratio:
The pulley diameter ratio determines the speed ratio between the driving and driven pulleys in a belt drive system. By selecting pulleys of different diameters, different speed ratios can be achieved to suit the specific application requirements.
6. Compatibility:
It is essential to ensure compatibility between the V pulleys and the belts used in the system. This includes considering factors such as the pulley groove profile, belt width, belt type, and speed requirements. Manufacturers provide specifications and guidelines to help users select the appropriate pulleys for their specific belt types and sizes.
By considering these factors, V pulleys can effectively handle different belt types and sizes, providing reliable power transmission in various applications.
What is the role of V pulleys in HVAC systems and air conditioning units?
V pulleys play a significant role in HVAC (Heating, Ventilation, and Air Conditioning) systems and air conditioning units by facilitating efficient power transmission and driving various components. Here’s a detailed explanation of the role of V pulleys in HVAC systems and air conditioning units:
1. Blower Motor Drive:
In HVAC systems and air conditioning units, V pulleys are commonly used to drive the blower motor. The blower motor is responsible for circulating air through the system, facilitating the movement of conditioned air into the desired space. The V pulley provides the necessary power transmission to drive the blower motor efficiently.
2. Fan Drive:
V pulleys are also employed in HVAC systems to drive fans that assist in airflow and heat exchange. These fans include condenser fans, evaporator fans, and circulation fans. The V pulley connects the motor to the fan, enabling the fan to operate at the desired speed to enhance heat transfer and air circulation.
3. Belt-Driven Compressors:
In some HVAC systems and air conditioning units, V pulleys are used in conjunction with belt-driven compressors. The compressor is responsible for pressurizing and circulating the refrigerant throughout the system, facilitating the cooling process. The V pulley provides power transmission from the motor to the compressor, allowing for efficient operation of the cooling system.
4. Speed Control:
V pulleys allow for speed control in HVAC systems and air conditioning units. By using pulleys of different sizes, the speed ratio between the motor and the driven components can be adjusted. This flexibility in speed control enables precise airflow regulation and cooling capacity adjustment based on the specific requirements of the space being conditioned.
5. Belt Tensioning and Alignment:
Proper tensioning and alignment of the belts are essential for efficient power transmission and to prevent belt slippage or premature wear. V pulleys in HVAC systems are often accompanied by tensioners and idler pulleys that help maintain the correct tension in the belts and ensure proper belt alignment. Proper tensioning and alignment contribute to the overall efficiency and longevity of the system.
6. Noise Reduction:
V pulleys, along with properly tensioned belts, contribute to the smooth and quiet operation of HVAC systems and air conditioning units. The design of V pulleys, combined with the flexibility and smooth engagement of V-belts, minimizes noise generation, providing a quieter environment for occupants.
7. Durability and Maintenance:
V pulleys used in HVAC systems and air conditioning units are typically made of durable materials such as steel or aluminum. These materials can withstand the demanding conditions of HVAC operation, including high temperatures and continuous use. Regular maintenance, including inspection, lubrication, and occasional belt replacement, ensures the continued efficiency and reliability of the V pulley system in HVAC applications.
Overall, V pulleys are integral components in HVAC systems and air conditioning units, enabling efficient power transmission, precise speed control, and reliable operation of blower motors, fans, compressors, and other components. Their design features, combined with properly tensioned belts, contribute to the overall performance, airflow, and cooling capacity of HVAC systems, ensuring optimal comfort and energy efficiency in various indoor environments.
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.
editor by CX
2024-01-08