Product Description
| original number | original number | Generator number | Applicable Models | |||||
| OD1 | 55 | DB | 353741 | CHRYSLER | Chrysler:3 | 04801250AB | GrandCherokeeIII3.0CRD | |
| R | 7 | F-239808.01 | 04801250AC | MercedesBenz:C320/350CDI | ||||
| ID | 17 | 2603330 | F-239808.02 | 04801250AD | CLK320CDI | |||
| M | M16 | 26 0571 1 | F-239808.03 | 68571877AA | CLS320/350CDI | |||
| Clock | CW | 593960 | F-239808.04 | 68571877AB | E280/3.05 | DB | G320/350 | |
| 5715811AA | F-239808.06 | 6421545712 | GLK320/350CDI | |||||
| LESTER | 14571 | 6421540402 | GL320/350CDI | |||||
| 7908-3465 | CARGO | 6421540802 | ML280/300/350CDI | |||||
| 7908-3466 | 235812 | A6421545712 | R350 | |||||
| WAI | A6421540402 | Sprinter | ||||||
| 24-91318-3 | A6421540802 | 218,219,318,319,419,518,51 | ||||||
| 9 | ||||||||
| Viano3.0 |
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 300 types of overrunning clutch pulley , only 30 types on the shelf for reference. Please send us the type of pulley you need. We’ll be at your service.
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 |
|---|
How do pulleys affect the performance of fitness equipment?
Pulleys have a significant impact on the performance of fitness equipment by enabling the smooth and efficient operation of various exercise machines. Here’s how pulleys affect the performance of fitness equipment:
1. Resistance Adjustment: Pulleys are often used in fitness equipment to provide adjustable resistance. By incorporating different-sized pulleys or using pulley systems with varying mechanical advantage, the resistance level can be adjusted to meet the user’s desired intensity. This allows individuals to customize their workouts and progress in their fitness journey.
2. Cable Systems: Many fitness machines, such as cable machines and functional trainers, utilize pulleys in their cable systems. These pulleys guide the cables and allow for multi-directional movements, providing a wide range of exercise options. The smooth movement facilitated by pulleys enhances user comfort and ensures consistent resistance throughout the exercise motion.
3. Weight Stacks: Weight stack machines commonly found in gyms employ pulleys to create resistance. The weight stack is connected to the exercise handles or levers through a cable and a series of pulleys. As the user performs the exercise, the pulleys help distribute the load and maintain proper cable tension, resulting in smooth and controlled movements.
4. Functional Training: Pulleys play a crucial role in functional training equipment, such as suspension trainers or resistance bands. These systems often feature adjustable pulleys that allow users to target specific muscle groups and perform a wide variety of functional movements. The pulleys enable smooth and controlled resistance, enhancing overall workout effectiveness.
5. Mechanical Advantage: Pulley systems can provide mechanical advantage in fitness equipment, making exercises more manageable and accessible. By utilizing pulleys with appropriate mechanical advantage, individuals can perform exercises that would otherwise require greater strength or effort. This feature is particularly beneficial for users with varying fitness levels or those recovering from injuries.
6. Smooth and Controlled Motion: Pulleys contribute to the smooth and controlled motion of fitness equipment. By reducing friction and providing proper cable alignment, pulleys ensure that the resistance is applied evenly throughout the exercise range of motion. This promotes fluid and natural movements, minimizing the risk of injury and maximizing the effectiveness of the exercise.
7. Durability and Safety: High-quality pulleys used in fitness equipment are designed to withstand the rigors of constant use and heavy loads. They are often made from durable materials and incorporate features such as sealed bearings to minimize maintenance and maximize safety. Reliable pulley systems contribute to the longevity and safety of fitness equipment.
Overall, pulleys are essential components in fitness equipment, influencing resistance adjustment, cable systems, weight stacks, functional training, mechanical advantage, motion quality, and equipment durability. They enhance the effectiveness, versatility, and user experience of fitness machines, allowing individuals to achieve their fitness goals and maintain an active and healthy lifestyle.
Can pulleys be used for both horizontal and vertical lifting?
Yes, pulleys can be used for both horizontal and vertical lifting. The versatility of pulley systems allows them to be utilized in various lifting applications, regardless of the direction of the load. Here’s how pulleys can be used for horizontal and vertical lifting:
1. Horizontal Lifting: In horizontal lifting scenarios, pulleys can be employed to change the direction of the force applied to the load. By using a combination of fixed and movable pulleys, the force can be redirected to pull the load horizontally. This is commonly seen in applications such as manual hoists or block and tackle systems used in construction, where heavy objects need to be moved horizontally across distances.
2. Vertical Lifting: Pulleys are widely used in vertical lifting applications, such as cranes, elevators, and lifting systems. In these setups, the pulleys are typically arranged in such a way that the load can be lifted vertically. By using multiple pulleys and ropes or cables, mechanical advantage can be achieved, making lifting heavier loads easier. The pulleys distribute the load’s weight across multiple lines, reducing the effort required to lift the load.
It’s worth noting that the number and arrangement of pulleys can vary depending on the specific lifting requirements. For example, a single fixed pulley can change the direction of the force but does not provide any mechanical advantage. On the other hand, systems with multiple pulleys, such as compound pulley systems or block and tackle setups, can provide significant mechanical advantage, making lifting heavier loads more manageable.
Whether it is horizontal or vertical lifting, the principles of pulley mechanics remain the same. Pulleys allow for force redirection, mechanical advantage, and load distribution, making lifting tasks more efficient and manageable. The specific configuration and setup of the pulley system will depend on the lifting requirements and the desired level of mechanical advantage.
How does a fixed pulley differ from a movable pulley?
A fixed pulley and a movable pulley are two distinct types of pulleys that differ in their design and functionality. Here’s a detailed explanation of their differences:
1. Design and Attachment: A fixed pulley is attached to a stationary structure, such as a ceiling or wall, using a mounting bracket or other means. It remains fixed in place and does not move during operation. In contrast, a movable pulley is attached to the load being moved and moves along with it. It is typically suspended by a rope or cable and can freely move up and down.
2. Mechanical Advantage: When it comes to mechanical advantage, a fixed pulley does not provide any advantage. It changes the direction of the force applied but does not reduce the effort required to lift the load. On the other hand, a movable pulley provides mechanical advantage by reducing the effort needed to lift the load. It distributes the load between the rope segments attached to the movable pulley and the fixed point, making it easier to lift heavy objects.
3. Force Distribution: In a fixed pulley, the force applied to one end of the rope or belt is redirected to change the direction of the force. The load is lifted by pulling the opposite end of the rope. In this case, the force required to lift the load is equal to the weight of the load itself. In a movable pulley, the load is attached to the movable pulley itself. The force required to lift the load is reduced because the weight of the load is distributed between the rope segments attached to the movable pulley and the fixed point.
4. Directional Change: Both fixed and movable pulleys are capable of changing the direction of the applied force. However, the primary function of a fixed pulley is to change the direction of force, while a movable pulley combines force direction change with mechanical advantage. The movable pulley allows the operator to exert force in a more convenient direction while requiring less effort to lift the load.
5. Applications: Fixed pulleys are commonly used in combination with other pulleys to create more complex systems, such as block and tackle arrangements. They are often used in scenarios where the primary objective is to change the direction of force. Movable pulleys, on the other hand, are frequently used in systems that require mechanical advantage or a reduction in the effort needed to lift heavy objects. They are often found in applications such as lifting systems, cranes, and elevators.
Overall, the key differences between a fixed pulley and a movable pulley lie in their design, mechanical advantage, force distribution, and applications. While a fixed pulley primarily changes the direction of force, a movable pulley combines force direction change with mechanical advantage, making it easier to lift heavy loads.
editor by CX
2024-03-09
