Product Description
| Product Number | as shown in the picture |
| Brand Name | according to customers’ requirements |
| Size | custom-made (provide drawings or pictures) |
| Material | nylon plastic/ steel/ aluminium/ zinc/ pvc… |
| Color | orange, white, black, yellow, blue, red… |
| Applacation | sliding door and window, binds, furniture, Roll-up door, Conveyor belt… |
| Normal Packing | poly bag + outer carton |
About us
HangZhou CHINAMFG PULLEY MANUFACTURE CO., LTD. has been specialized in manufacturing Plastic Pulley/Rollers, Die-punching Pulley/Bearing, and Non-standard Bearings for about 25 years. It is located in HangZhou city of ZHangZhoug Province, which has convenient transportation benefited from Nignbo Seaport, HangZhou International Airport and the highway networks. Our company covers an area of 7000 m², with building area of 10500m². Relying on advanced processing equipments and technology, and strict inspection system, our company is able to provide good-quality and competitive products, and has gained a good reputation among customers.
We are committed to developing and designing different kinds of non-standard pulley bearings, with an annual production capacity of 120 million sets. We export to more than 70 countries and areas, like USA, Canada, Spain, Germany, France and Italy, etc.
Why choose us
1.Professional experience: almost 20 years’ expenience in non-standard bearings, rollers, pulleys, and other plastic accessories for door and window.
2.Popular over the world: over 20 market countries.
3.Advantage: good quality with competitive price.
4.OEM offered: technical drawings, samples or photos are needed.
Our company maintains our quality system to ISO 9001:2000, and has been audited by SGS for our production operations. We will continuously seek to provide our customers with good-quality products, excellent service and most competitive price. We look CHINAMFG to building long-term business relationship with you and achieving our mutual benefits.
FAQ
Q: How to get a quotation and start business relationship with your company?
A: Please send us email and our sales representive will contact you as soon as we receive your email.
Q: How to receive a quotaion in the shortest time?
A: When you send us an enquiry, please try to provide more details, such as product size, photo or drawing, order quantity, etc.
Q: How to start an OEM project with your company?
A: Please send us your designed drawings or original samples so that we can offer a quotation first. If all details are confirmed, we will arrange sample production once received your deposit.
Q: What’s your MOQ?
A: The MOQ depends on the design and production processes of the products. Nomally our company MOQ is 10000pc , but it can be much more or less depending on different product types. Therefore, we recommend you to tell us your required quantity first.
Q:How long can I receive an order?
A: That depends on the specific items and your order quantity. The lead time varies from 30 to 90 days.
Contact Us
For more information, please visit http://nbminli /
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| After-sales Service: | Online Technical Support |
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| Warranty: | 2 Year |
| Certification: | ISO, RoHS |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
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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 are some real-world examples of fixed pulley applications in various industries?
Fixed pulleys find a wide range of applications in various industries. Here are some real-world examples of how fixed pulleys are used in different industries:
- Construction Industry: Fixed pulleys are commonly used in the construction industry for lifting and moving heavy materials and equipment. They are employed in cranes, hoists, and lifting systems to raise construction materials to different heights, facilitating tasks such as erecting steel beams, pouring concrete, or installing large building components.
- Shipping and Maritime Industry: The shipping and maritime industry extensively utilizes fixed pulleys in various applications. They are used in dockside cranes, shipboard cranes, and derricks for loading and unloading cargo containers, heavy machinery, and other goods onto or off of ships. Fixed pulleys are also employed in ship rigging systems for raising and lowering sails and maneuvering the ship’s masts and booms.
- Theater and Entertainment Industry: In the theater and entertainment industry, fixed pulleys are utilized in stage rigging systems. They are employed to raise and lower scenery, backdrops, lighting fixtures, and other equipment during performances. Fixed pulleys allow for smooth and controlled movement of objects, contributing to the overall visual and technical aspects of stage productions.
- Automotive Industry: Fixed pulleys are used in automotive manufacturing and repair processes. They are employed in engine hoists and lifts to raise and lower heavy engines during installation or removal. Fixed pulleys are also used in vehicle recovery systems, such as winches, for pulling stuck or disabled vehicles out of challenging terrain.
- Agriculture and Farming: In the agriculture and farming sector, fixed pulleys are utilized in various applications. They are used in barns and agricultural buildings for lifting and moving hay bales, feed bags, and other heavy items. Fixed pulleys are also employed in farm equipment, such as conveyor systems, grain elevators, and irrigation systems, to assist in the transportation and distribution of crops and agricultural products.
- Mining and Extraction: Fixed pulleys play a crucial role in the mining and extraction industry. They are used in conveyor systems to transport mined materials from the extraction site to processing areas or storage facilities. Fixed pulleys are also employed in hoisting systems for lifting mining equipment, ore, and other heavy loads to the surface.
- Warehouse and Logistics: In warehouse and logistics operations, fixed pulleys are utilized to facilitate the movement and storage of goods. They are employed in conveyor systems for efficient material handling, enabling the automated transport of packages, boxes, and pallets. Fixed pulleys are also used in vertical lift modules (VLMs) and automated storage and retrieval systems (AS/RS) to retrieve and store items at different levels.
These are just a few examples of how fixed pulleys are applied in various industries. The versatility and mechanical advantages provided by fixed pulley systems make them valuable tools for lifting, moving, and controlling heavy loads, enhancing efficiency, and improving safety in a wide range of industrial applications.
How does the configuration of sheaves on a fixed pulley affect its performance?
The configuration of sheaves on a fixed pulley plays a crucial role in determining its performance and functionality. Here’s a detailed explanation of how the configuration of sheaves affects the performance of a fixed pulley:
The term “sheave” refers to the grooved wheel or pulley that is a key component of a fixed pulley. The configuration of sheaves refers to the arrangement and number of sheaves used in a fixed pulley system. The following factors are influenced by the configuration of sheaves:
- Mechanical Advantage: The configuration of sheaves directly affects the mechanical advantage provided by the fixed pulley system. Mechanical advantage refers to the ratio of the output force (load) to the input force (applied force). By increasing the number of sheaves in the system, the mechanical advantage can be enhanced. For example, a compound pulley system with multiple sheaves can significantly reduce the amount of force required to lift a heavy load.
- Efficiency: The configuration of sheaves can impact the efficiency of a fixed pulley system. Efficiency refers to the ratio of output work to input work. In general, the more sheaves in the system, the greater the frictional losses and the lower the overall efficiency of the system. However, using high-quality bearings and proper lubrication can help minimize friction and improve efficiency.
- Load Capacity: The configuration of sheaves also affects the load capacity of a fixed pulley system. By distributing the load across multiple sheaves, the system can handle heavier loads without compromising safety or performance. The load capacity is influenced by factors such as the strength of the sheaves, the material of the sheaves, and the construction of the pulley system.
- Flexibility and Directional Control: The configuration of sheaves can impact the flexibility and directional control of a fixed pulley system. By arranging the sheaves in different configurations, it is possible to achieve specific movement patterns or change the direction of the applied force. This flexibility and directional control are particularly useful in tasks that require precise positioning or movement of objects.
- Space and Weight: The configuration of sheaves can also affect the space and weight requirements of a fixed pulley system. Adding more sheaves to the system may increase its size and weight. This factor needs to be considered, especially in applications where space is limited or where portability is important.
It’s important to note that the configuration of sheaves is not limited to a single type or arrangement. Different pulley systems can have varying numbers and arrangements of sheaves, depending on the specific task requirements and desired outcomes. Manufacturers often provide guidelines and recommendations for the optimal configuration of sheaves based on the intended use of the fixed pulley system.
In summary, the configuration of sheaves on a fixed pulley significantly affects its performance. It determines the mechanical advantage, efficiency, load capacity, flexibility, directional control, space requirements, and weight of the pulley system. By carefully considering the configuration of sheaves, users can tailor the system to meet their specific needs and achieve optimal performance in various applications.
What types of ropes or cables are typically used with fixed pulleys?
When it comes to using fixed pulleys, the choice of ropes or cables is crucial to ensure safe and efficient operation. Here’s a detailed explanation of the types of ropes or cables that are typically used with fixed pulleys:
Fixed pulleys can accommodate a variety of ropes or cables, depending on the specific application requirements. The selection of the appropriate rope or cable is based on factors such as strength, flexibility, durability, and compatibility with the pulley system. Here are some common types of ropes or cables used with fixed pulleys:
- Wire Rope: Wire ropes are composed of individual steel wires twisted together to form strands, which are then twisted together to form the rope. They are known for their high strength, durability, and resistance to abrasion and crushing. Wire ropes are commonly used in heavy-duty applications where lifting or pulling heavy loads is required.
- Fiber Rope: Fiber ropes are made from natural or synthetic fibers such as hemp, polypropylene, nylon, or polyester. They offer different levels of strength, flexibility, and resistance to moisture or chemicals. Fiber ropes are often used in applications where weight is a concern, or where flexibility and ease of handling are important.
- Nylon Rope: Nylon ropes are known for their high strength, elasticity, and resistance to abrasion. They are commonly used in applications where shock loading, dynamic forces, or exposure to moisture are expected. Nylon ropes are suitable for a wide range of lifting and pulling tasks.
- Polypropylene Rope: Polypropylene ropes are lightweight, floatable, and resistant to rot and mildew. They have relatively high strength and are commonly used in marine applications, as well as in outdoor and recreational activities where exposure to water or harsh conditions may occur.
- Polyester Rope: Polyester ropes offer excellent resistance to UV rays, chemicals, and moisture. They have good strength, low stretch, and high abrasion resistance. Polyester ropes are often used in applications where durability and resistance to outdoor elements are essential, such as in marine, industrial, and rigging applications.
- Hemp Rope: Hemp ropes are natural fiber ropes known for their flexibility, grip, and resistance to abrasion. They are commonly used in lighter-duty applications such as decorative purposes, gardening, or DIY projects.
The specific type of rope or cable to be used with a fixed pulley depends on factors such as the load requirements, environmental conditions, budget, and personal preferences. It is essential to consult the manufacturer’s recommendations or seek expert advice to ensure the selection of the most suitable rope or cable for a given fixed pulley system.
In summary, the choice of ropes or cables for fixed pulleys can vary and is determined by factors such as strength, flexibility, durability, and compatibility with the pulley system. Wire ropes, fiber ropes (such as nylon, polypropylene, and polyester), and hemp ropes are some common options. Each type has its own strengths and applications, and the selection should be based on the specific requirements of the lifting or pulling task at hand.
editor by CX
2024-04-04
