Product Description
Detailed Photos
Product Description
| Item No. | Door and Window Plastic Bearing Pulley |
| Dimensions | OEM ODM |
| Material | Bearing -Chrome steel, carbon steel, stainless steel Plastic part- POM/ Nylon6 /Nylon66 +GF/PU/Rubber Housing part – Plastic(Nylon)/ Steel/ Zinc alloy die casting / Aluminium profile/ alu. Alloy die casting |
| Color | Original/black/white/Red/ Green/ Orange, or per customers’ requirement |
| Surface Treatment | Zinc plated/Nickle Plated/Black treatment/ Painting/Electrophoretic treatment |
| Features | heavy-duty,adjustable,low noise,easy installation,sliding smoothly,long life,standard,customized,etc. |
| Application | Sliding window and door, Sliding accessories, furniture accessories etc. |
| Packaing | Foil bag+Neutral Carton+Pallet, or per customers’ requirement |
| MOQ | 1000 pcs |
| Lead Time | According to the order q’ty |
| OEM& ODM | Technical drawing or sample is needed |
Company Profile
ABOUT US
CHINAMFG was set up in 1996 and located at HangZhou, a beautiful city in China. Our company is bearing manufacturer&bearing distributor. Since it was first established, CHINAMFG was dedicated in research, development and manufacture of bearings. Now, CHINAMFG has become main and 1 of the first grade suppliers of all kinds of bearings. We could develop the products constructed from different materials, structures, shapes, colors etc.
WELCOME TO THE CLUB!
1. Our rollers are in stable quality with smooth rotation, long life operation, small movement, advanced injection technology engineering etc.
2. The Adjustable Rollers with smooth and long lasting operation, higher performing features like wider adjustment ranges, long rolling life performance, easy installment. It’s available in multiple housing choices with any wheels to fit different aluminnum. Our roller ensure alignment across the full adjustment ranges within built-in retention system.
3. The customized hardware, like plastic parts, stamping patrs, cold forging steel patrs are widely applied in the window and doors, furniture, householders, transmission system, industrial drive system etc.
We are constantly improving and striving for excellent service. We hold a very high regard for our customers, the quality of our products, and our level of customer service.
FAQ
1. who are we?
We are based in ZheJiang , China, start from 2017,sell to North America(1.00%),Africa(1.00%),Western Europe(1.00%),Southern Europe(1.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Bearing cage,Bearing pulley,Plastic products,Miniature bearing,Needle roller bearing
4. why should you buy from us not from other suppliers?
Hardware pulley source factory,20 years professional bearing pulley experience
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW;
Accepted Payment Currency:USD,EUR,JPY,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A;
Language Spoken:English,Chinese,Spanish,Japanese,French.
Our Advantages
Sliding glass doors are becoming more and more popular, because of the view and natural lighting that they provide. But there can be some difficulty when it comes to maintaine them, such as the rollers have worn out. The key part is knowing which roller matches the original. Many people believe that alternatives can be found by identifying the door manufacturer individually. Actually, Most rollers are generic and used by various door manufacturers.
As the professional manufacturer of sliding rollers, we use various identifying characteristics to determine the best replacement option for your door. In addition to the number of wheels your roller uses to support the door, the presence of dimples, bumps, cut-outs and flared edges on the rollers housing will narrow down replacement options substantially. The way that the assembly installs in the door frame is also vital. The key dimensions to confirm a replacement include the width and height of the roller’s outer housing, as well as the diameter of the wheel. In addition to the diameter of the wheels, the material that they’re made of, steel or nylon, is also a factor. Long-term, metal wheels are known to hold up better but they can also cause the track to wear out faster, especially on heavy doors. Nylon wheels tend to be kinder to the track but may not last as long as their steel counterparts.
Purchase Notice
1.Pls send us an inquiry or leave us a message, there will be a dedicated staff to serve you within 1 hours.
2.You can ask us to take actual photos of the products for you, and free samples would be provided.
3. Welcome to visit our factory to negotiate orders, we will do our best to protect the safety of your business journey.
4. Packaging can be customized according to customer requirements
Finally, Please be sure to click “Contact supplier” to contact us, or “Call us” with any questions that you may have.
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| After-sales Service: | Provide After-Sales |
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| Warranty: | Provide After-Sales |
| Certification: | CE, ISO |
| Samples: |
US$ 0.01/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 pulleys function in various types of vehicles and machinery?
Pulleys play crucial roles in numerous types of vehicles and machinery, enabling the transmission of power, control of mechanical systems, and efficient operation. Here’s how pulleys function in various applications:
1. Automotive Engines: In vehicles, pulleys are commonly used in the engine’s accessory drive system. The crankshaft pulley, also known as the harmonic balancer, is connected to the engine’s crankshaft and drives various accessories such as the alternator, power steering pump, and air conditioning compressor. The pulleys enable the transfer of rotational power from the engine to these accessories, allowing them to perform their respective functions.
2. Belt-Driven Systems: Pulleys are extensively used in belt-driven systems across various machinery and equipment. These systems utilize belts, such as V-belts or timing belts, which wrap around pulleys to transfer power. Examples include conveyor systems, industrial machinery, agricultural equipment, and HVAC systems. The pulleys provide the necessary grip and tension to ensure efficient power transmission and drive system operation.
3. Cranes and Hoists: Pulleys are integral components of cranes and hoists, enabling the lifting and movement of heavy loads. Multiple pulleys, often arranged in a block and tackle configuration, are used to create mechanical advantage, reducing the effort required to lift the load. By distributing the load’s weight over multiple strands of rope or cable, pulleys allow for controlled lifting and precise positioning of objects.
4. Construction Equipment: Pulleys are found in various types of construction machinery. For example, in excavators and cranes, pulleys are used in the wire rope systems for lifting and lowering the boom, bucket, or other attachments. Pulleys help in managing the forces involved in these operations, providing smooth and controlled movement.
5. Elevators: Pulleys are essential components in elevator systems. Elevator cars are suspended by steel cables that run over pulleys. These pulleys are connected to an electric motor through a system of gears and sheaves. As the motor rotates the pulleys, the elevator car moves up or down. Pulleys in elevator systems help in efficiently transferring power and maintaining the stability and safety of vertical transportation.
6. Exercise Equipment: Pulleys are widely used in exercise machines and gym equipment to provide resistance and enable adjustable resistance levels. By incorporating pulley systems with different configurations and cable arrangements, exercise equipment can offer a variety of exercises targeting specific muscle groups.
7. Marine Applications: Pulleys are utilized in various marine applications, such as sailboats and winches. Pulleys help in controlling the movement and tension of ropes and cables, enabling sail adjustments, mast raising and lowering, and other rigging operations.
8. Garage Doors: Pulleys are employed in garage door mechanisms to facilitate the smooth opening and closing of the doors. They are used in conjunction with cables or belts, allowing for the transfer of force from the door opener to the door itself.
These examples demonstrate the versatility and importance of pulleys in a wide range of vehicles and machinery. By utilizing pulleys, these systems can achieve efficient power transmission, mechanical advantage, controlled movement, and improved functionality.
What is the importance of proper pulley alignment and tensioning?
Proper pulley alignment and tensioning are critical factors in ensuring the efficient and reliable operation of pulley systems. They play a significant role in maximizing power transmission, minimizing wear and tear, and maintaining the overall performance and longevity of the system. Here’s the importance of proper pulley alignment and tensioning:
1. Power Transmission Efficiency:
Proper pulley alignment and tensioning ensure optimal power transmission efficiency. When pulleys are misaligned or belts/chains are improperly tensioned, energy is wasted due to increased friction and slippage. This results in decreased power transfer and reduced system efficiency. By aligning the pulleys parallel to each other and applying the correct tension to the belts or chains, the system can achieve maximum power transmission, minimizing energy losses.
2. Belt/Chain Longevity:
Correct pulley alignment and tensioning contribute to the longevity of belts and chains. Misalignment and inadequate tension can cause uneven wear, excessive stretching, and premature failure of the belts or chains. Proper alignment and tension distribute the load evenly across the belts or chains, reducing stress and extending their lifespan. This helps to avoid unplanned downtime, maintenance costs, and the need for frequent belt/chain replacements.
3. Reduced Noise and Vibration:
Improper pulley alignment and tensioning can lead to increased noise and vibration in the system. Misaligned pulleys or loose belts/chains can cause excessive vibration, resulting in noise, equipment damage, and discomfort to operators or nearby personnel. Proper alignment and tensioning help minimize vibration, ensuring quieter operation and a more comfortable working environment.
4. System Reliability and Safety:
Proper alignment and tensioning contribute to the overall reliability and safety of pulley systems. Misaligned pulleys or loose belts/chains can lead to unexpected failures, breakdowns, or accidents. Over-tensioning can also cause excessive stress on components and increase the risk of system failures. By maintaining proper alignment and tension, the system operates within its design parameters, reducing the likelihood of unexpected failures and ensuring the safety of operators and equipment.
5. Improved Performance:
Correct pulley alignment and tensioning enhance the overall performance of the system. Properly tensioned belts or chains provide better grip and traction, allowing for smoother and more precise movement of the driven components. This results in improved speed control, reduced slippage, and enhanced accuracy in applications such as conveyor systems, machine tools, and automotive engines.
6. Maintenance and Cost Savings:
Proper pulley alignment and tensioning can lead to significant maintenance and cost savings. Well-aligned pulleys and correctly tensioned belts or chains experience less wear and require fewer adjustments. This reduces the frequency of maintenance tasks, such as belt/chain replacements, realignments, and re-tensioning. Additionally, by maximizing power transmission efficiency and minimizing wear, proper alignment and tensioning help reduce energy consumption and lower operating costs.
In conclusion, proper pulley alignment and tensioning are crucial for achieving optimal power transmission efficiency, prolonging the lifespan of belts or chains, reducing noise and vibration, ensuring system reliability and safety, improving performance, and realizing maintenance and cost savings. It is essential to follow manufacturer guidelines and perform regular inspections and adjustments to maintain proper alignment and tension in pulley systems.
What are the different types of pulleys commonly used in industry?
Pulleys are widely used in various industries for different applications. Here are the different types of pulleys commonly used:
1. Fixed Pulleys: Fixed pulleys are attached to a stationary structure, such as a ceiling or wall. They change the direction of the force applied without providing any mechanical advantage. Fixed pulleys are often used in combination with other pulleys to create more complex systems.
2. Movable Pulleys: Movable pulleys are attached to the load being moved, and they move along with it. These pulleys provide mechanical advantage by reducing the effort required to lift the load. Movable pulleys are commonly used in systems such as block and tackle arrangements to lift heavy objects with less force.
3. Compound Pulleys: Compound pulleys consist of a combination of fixed and movable pulleys. They provide a greater mechanical advantage than a single pulley by distributing the load over multiple segments of the rope or belt. Compound pulley systems are often used in applications that require lifting extremely heavy loads.
4. Snatch Blocks: Snatch blocks are pulleys with a side plate that can be opened to insert or remove a rope or cable without threading it through the pulley. They are commonly used in rigging and towing applications to change the direction of force and create a mechanical advantage.
5. V-Belt Pulleys: V-belt pulleys have a V-shaped groove that matches the cross-section of V-belts. They are used in belt drive systems to transmit power between two shafts. V-belt pulleys are commonly found in applications such as industrial machinery, automotive engines, and HVAC systems.
6. Timing Pulleys: Timing pulleys have teeth that mesh with the teeth of a timing belt. They are used in synchronous drive systems to ensure accurate and synchronized power transmission. Timing pulleys are commonly used in applications such as robotics, printing presses, and CNC machines.
7. Rope Pulleys: Rope pulleys have a smooth surface designed to minimize friction and prevent wear on ropes. They are commonly used in applications where ropes are used for lifting or pulling, such as cranes, elevators, and material handling equipment.
8. Wire Rope Pulleys: Wire rope pulleys are specifically designed for use with wire ropes. They have grooves or pockets that accommodate the shape and size of wire ropes, ensuring secure grip and efficient force transmission. Wire rope pulleys are commonly used in applications such as cranes, winches, and hoists.
9. Idler Pulleys: Idler pulleys are used to guide and tension belts or ropes in a system. They do not transmit power but help maintain proper belt tension and alignment. Idler pulleys are commonly used in conveyor systems, automotive engines, and other belt-driven applications.
10. Sheave Pulleys: Sheave pulleys are large pulleys used in heavy-duty applications, such as crane systems and elevators. They are designed to handle high loads and provide smooth and reliable operation. Sheave pulleys often have multiple grooves to accommodate multiple ropes or belts.
These are some of the different types of pulleys commonly used in various industries. Each type has specific features and is selected based on the requirements of the application, such as load capacity, power transmission, and operational conditions.
editor by CX
2024-03-27