Product Description
Product Description
· European standards :
   a) V-belt pulley for taper bushing: SPZ, SPA, SPB, SPC  Â
   b) Adjustable speed V-belt pulleys and variable speed pulleys            Â
   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
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Product Parameters
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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)Â 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-tm .tm-status-off{background: none;padding:0;color: #1470cc}
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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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What safety considerations should be kept in mind when working with V pulleys?
Working with V pulleys involves certain safety considerations to ensure the well-being of individuals and the proper functioning of the equipment. Here are some important safety considerations to keep in mind:
1. Proper Guarding:
Ensure that V pulleys are adequately guarded to prevent accidental contact with moving parts. Guards should be in place to cover the pulleys and belts, minimizing the risk of entanglement, pinch points, or injuries caused by rotating components. Follow industry standards and regulations for guarding requirements and regularly inspect and maintain the guards to ensure their effectiveness.
2. Lockout/Tagout Procedures:
Before performing any maintenance or inspection tasks on equipment with V pulleys, implement proper lockout/tagout procedures. Lockout/tagout involves isolating the power source, de-energizing the equipment, and securing it with locks or tags to prevent accidental startup. This procedure ensures that the equipment remains in a safe and inoperable state during maintenance activities.
3. Personal Protective Equipment (PPE):
Wear appropriate personal protective equipment when working with V pulleys. This may include safety goggles or glasses to protect the eyes from flying debris, gloves to prevent hand injuries, and appropriate clothing to minimize the risk of entanglement. The specific PPE requirements may vary depending on the nature of the task, the environment, and local safety regulations.
4. Training and Education:
Ensure that personnel working with V pulleys receive appropriate training and education on safe operating procedures, maintenance practices, and emergency response protocols. Training should cover topics such as hazard awareness, proper use of equipment, lockout/tagout procedures, and the importance of following safety guidelines. Regular refresher training sessions can help reinforce safe practices and address any new safety concerns.
5. Inspection and Maintenance:
Regularly inspect V pulleys for signs of wear, damage, or misalignment. Pay attention to the condition of the belts, pulley grooves, and tensioning mechanisms. Maintain proper belt tension as per manufacturer recommendations to prevent slippage and ensure efficient power transmission. Promptly address any issues identified during inspections and conduct routine maintenance tasks to keep the pulleys in good working condition.
6. Load and Speed Limits:
Adhere to the load and speed limits specified by the manufacturer for the V pulleys and associated components. Exceeding these limits can lead to belt slippage, decreased efficiency, and potential equipment failure. Ensure that the V pulleys are selected and installed correctly based on the specific application requirements to avoid overloading or operating at excessive speeds.
7. Risk Assessment:
Conduct a comprehensive risk assessment of the work area and equipment to identify potential hazards related to V pulleys. Assess risks associated with installation, operation, maintenance, and emergency situations. Implement appropriate control measures to mitigate the identified risks and regularly review and update the risk assessment as needed.
It is essential to prioritize safety when working with V pulleys. By following these safety considerations and any additional guidelines provided by the equipment manufacturer, the risks associated with V pulley operations can be minimized, ensuring a safe working environment for all personnel involved.
How do V pulleys contribute to efficient power transmission?
V pulleys play a crucial role in enabling efficient power transmission in mechanical systems. Here’s a detailed explanation of how V pulleys contribute to efficient power transmission:
1. Frictional Engagement:
V pulleys are designed with a V-shaped groove that matches the cross-section of V-belts. This groove profile allows for maximum contact area between the pulley and the belt, creating frictional engagement. The friction generated between the pulley and the belt enables the transfer of torque from the driving pulley to the driven pulley.
2. High Friction Coefficient:
V-belts used with V pulleys typically have a high friction coefficient. This characteristic enhances the grip between the belt and the pulley, ensuring efficient power transmission. The high friction coefficient helps prevent belt slippage, even under heavy loads or during sudden acceleration or deceleration.
3. Multiple V-Belt Contact Points:
Due to the V-shaped groove design, V pulleys provide multiple contact points along the length of the belt. This multi-point contact distributes the load across the belt and the pulley, reducing stress concentration on specific areas. It increases the overall power transmission capacity and improves the longevity of the belt and the pulley.
4. Flexibility and Shock Absorption:
V-belts used with V pulleys are flexible and elastic. This flexibility allows them to accommodate slight misalignments between the driving and driven pulleys, reducing stress on the system. Additionally, V-belts have shock-absorbing properties that help dampen vibrations and impacts, protecting the pulleys and other components from excessive wear or damage.
5. Noise Reduction:
V-belt drive systems are known for their quiet operation. The design of V pulleys, combined with the flexibility and smooth engagement of V-belts, minimizes noise generation. This makes V pulleys suitable for applications where noise reduction is desired, such as HVAC systems or indoor environments.
6. Speed Variation and Transmittable Power:
V pulleys allow for easy adjustment of speed variation by changing the pulley diameters or using pulleys with different groove sizes. This flexibility in speed control enables efficient power transmission in various applications. Additionally, V-belt drive systems can transmit a considerable amount of power, making them suitable for both low and high-power applications.
7. Maintenance and Replacement:
V pulleys are relatively easy to install, maintain, and replace. The simplicity of the design and the availability of standardized components contribute to the overall efficiency of the power transmission system. Regular inspection, proper tensioning, and occasional belt replacement ensure the continued efficiency of the V pulley system.
Overall, the unique design features and characteristics of V pulleys, combined with the use of V-belts, contribute to efficient power transmission by maximizing frictional engagement, distributing load, accommodating misalignments, reducing noise, and allowing for speed variation. These factors make V pulleys a popular choice for a wide range of mechanical systems that require reliable and efficient power transmission.
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
2023-12-25