Product Description
Company Profile
HangZhou Doerbee International Trade Co. , Ltd. , located in HangZhou hi-tech Development Zone, ZheJiang Province, the company’s main auto parts, mechanical and electrical supplies. Our company has established long-term and stable cooperative relations with many auto parts factories in ZHangZhoug and ZheJiang provinces. We value credit, abide by contracts, guarantee product quality, win the trust of our customers, and make every effort to follow their needs, continuous product innovation and service improvement. OEM, sample can be customized. We will gradually improve the product types and details, if you have non-standard products need us to help you find Chinese manufacturers, please contact us, send samples, we will be your most responsible and professional partner in China. Looking CHINAMFG to working with you.
Every month, we will go back and forth to each auto parts manufacturer to find and compare all kinds of high quality and low price products for you. If you have samples, but can not confirm the model or name, you can also send samples to us, we will try our best to find out the sample manufacturers in China, compare the quality for you, and provide quotation. We represent all kinds of auto parts and mechanical and electrical products, in the future we will continue to improve the product category, please pay attention to us, any need, please feel free to contact us. At present, there are more than 3.3
Q1. How to buy?
A1:Large quantity for more discount : Inquiry → Quotation → Price resonable → Check with specification → Proforma Invoice sent → Payment made → Product shipment → Customer
Q2. What is your terms of payment?
A2: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.
Q3. How about your delivery time?
A3:Generally, it will take 20 to 40 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q4. Can you produce according to the samples?
A4:Yes, we can produce by your samples or technical drawings.
Q5. What is your sample policy?
A5:We can supply the sample if we have ready parts in stock, but the customers have to pay the sample and courier cost.
Q6. Do you test all your goods before delivery?
A6:Yes, We will take 100% testing and photos before delivery, and keep communication with you at any time.
Q7: How do you make our business long-term and good relationship?
A7:We are not only partners, but also friends. We will try our best to provide you with the most cost-effective products. If you have any goods that are difficult to purchase, we will try our best to find them in China. We will become your most trusted buyers in China.
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| After-sales Service: | 100000 Km |
|---|---|
| Warranty: | 2 Years |
| Type: | Auto Clutch Bearing |
| Material: | Carbon Steel |
| Tolerance: | P5 |
| Certification: | TS16949 |
| Samples: |
US$ 8/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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.
Can V pulleys be used in both simple and complex mechanical systems?
Yes, V pulleys can be used in both simple and complex mechanical systems. Their versatility and effectiveness make them suitable for a wide range of applications. Here’s a detailed explanation:
1. Simple Mechanical Systems:
In simple mechanical systems, V pulleys are often used in basic power transmission setups. These systems typically involve a single driving pulley connected to a driven pulley by a V-belt. The simplicity of the setup allows for easy installation and maintenance.
Simple mechanical systems utilizing V pulleys are commonly found in applications such as:
- Small machinery and equipment
- Home appliances
- Power tools
- Fans and blowers
- Pumps
2. Complex Mechanical Systems:
V pulleys are also employed in complex mechanical systems where multiple pulleys, belts, and components are interconnected. These systems require precise power transmission, synchronization, or speed control.
Complex mechanical systems that utilize V pulleys can be found in various industries, including:
- Automotive: V pulleys are used in engines, transmission systems, and accessory drives.
- Manufacturing: V pulleys are found in conveyor systems, industrial machinery, and production equipment.
- Agriculture: V pulleys are used in tractors, harvesters, and irrigation systems.
- Mining: V pulleys are employed in conveyor belts for material handling.
- Construction: V pulleys are used in construction machinery and equipment.
- HVAC (Heating, Ventilation, and Air Conditioning): V pulleys are utilized in air handling units, fans, and compressors.
3. Advantages in Both Simple and Complex Systems:
V pulleys offer several advantages that make them suitable for both simple and complex mechanical systems:
- Cost-Effective: V pulleys are generally affordable and provide efficient power transmission at a lower cost compared to other drive systems.
- Wide Range of Speed Ratios: By using pulleys of different sizes, V-belt drive systems can achieve a wide range of speed ratios to meet specific application requirements.
- Shock Absorption: The elasticity of V-belts allows them to absorb shock and vibration, reducing stress on the pulleys and other components.
- Quiet Operation: V-belt drive systems produce less noise compared to direct drives, making them suitable for applications where noise reduction is desired.
- Easy Installation and Maintenance: V pulleys are relatively simple to install and maintain, making them accessible for various users and applications.
Overall, the versatility, reliability, and cost-effectiveness of V pulleys make them viable options for both simple and complex mechanical systems, providing efficient power transmission in a wide range of applications.
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
2024-05-17