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,F
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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| Certification: | ISO |
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| Manufacturing Process: | Casting |
| Material: | Stainless Steel |
| Samples: |
US$ 0.5/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}
| 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 is the importance of proper pulley alignment and tensioning in flat belt pulley systems?
Proper pulley alignment and tensioning are crucial in flat belt pulley systems. Here’s a detailed explanation:
1. Efficient Power Transmission:
Proper pulley alignment and tensioning ensure efficient power transmission in flat belt pulley systems. When the pulleys are correctly aligned, the belt remains centered on the pulley surfaces, minimizing friction and reducing energy losses. Additionally, maintaining the appropriate tension in the belt prevents slipping and ensures optimal power transfer from the driving pulley to the driven pulley, maximizing the efficiency of the system.
2. Belt Longevity:
Correct pulley alignment and tensioning contribute to the longevity of flat belts. Improper alignment can cause the belt to rub against the pulley edges, leading to accelerated wear and tear. Similarly, insufficient tension or excessive tension can cause excessive stretching or strain on the belt, reducing its lifespan. By aligning the pulleys properly and maintaining the recommended tension, the belt experiences minimal stress and wear, prolonging its durability.
3. Reduced Noise and Vibration:
Proper pulley alignment and tensioning help minimize noise and vibration in flat belt pulley systems. Misaligned pulleys can create uneven forces, causing the belt to generate noise and vibrations during operation. These vibrations can propagate through the system, affecting other components and potentially leading to increased wear and reduced overall system performance. By ensuring proper alignment and tensioning, the system operates smoothly, reducing noise and vibration levels.
4. Prevent Belt Slippage:
Correct tensioning in flat belt pulley systems prevents belt slippage, ensuring reliable operation. Insufficient tension can cause the belt to slip on the pulleys, resulting in a loss of power transmission and compromised system performance. Proper tensioning ensures that the belt maintains sufficient grip on the pulley surfaces, preventing slippage and ensuring consistent power transfer.
5. Accurate Speed Control:
Proper pulley alignment and tensioning enable accurate speed control in flat belt pulley systems. When the pulleys are aligned correctly, the belt operates with consistent tension, allowing for precise speed control of the driven pulley. This is important in applications where specific speeds are required for tasks such as material handling, machining, or processing. Accurate speed control helps maintain product quality, prevents damage to equipment or materials, and ensures efficient operation.
6. Improved Safety:
Ensuring proper pulley alignment and tensioning enhances safety in flat belt pulley systems. Misaligned or poorly tensioned belts can pose a safety hazard as they may come off the pulleys or cause unexpected system failures. By aligning the pulleys correctly and maintaining the recommended tension, the risk of belt dislodgement or sudden system failures is minimized, promoting a safer working environment for operators.
7. Optimal System Performance:
Ultimately, proper pulley alignment and tensioning contribute to the overall performance of flat belt pulley systems. By maintaining the belts in the correct position on the pulleys and ensuring proper tension, the system operates at its intended capacity, delivering consistent power transmission, reliable operation, and efficient performance. This helps maximize productivity, reduce downtime, and optimize the lifespan of the components within the system.
In conclusion, proper pulley alignment and tensioning are vital for efficient power transmission, belt longevity, reduced noise and vibration, prevention of belt slippage, accurate speed control, improved safety, and optimal performance in flat belt pulley systems.
How does the design of a flat belt pulley affect its performance?
The design of a flat belt pulley plays a crucial role in determining its performance characteristics. Here’s a detailed explanation:
1. Groove Profile:
The groove profile of a flat belt pulley affects the grip and traction between the pulley and the belt. Different groove profiles, such as V-shaped, U-shaped, or flat, are used depending on the type of belt being used. The groove profile should be designed to optimize the belt’s contact area and prevent slippage, ensuring efficient power transmission.
2. Diameter and Width:
The diameter and width of the pulley directly impact its mechanical advantage and power transmission capabilities. Larger pulley diameters result in higher belt speeds and increased power transmission capacity, while wider pulleys provide better belt support and reduced belt stress.
3. Material Selection:
The choice of material for the pulley affects its strength, durability, and resistance to wear and corrosion. Commonly used materials include steel, cast iron, aluminum, and plastics. The material selection should be based on factors such as the load capacity, operating environment, and desired lifespan of the pulley.
4. Balance and Alignment:
A well-designed flat belt pulley should be properly balanced and aligned to minimize vibration and ensure smooth operation. Imbalances or misalignment can result in increased noise, reduced efficiency, and premature wear of the pulley and belt.
5. Tensioning Mechanism:
The design of the tensioning mechanism, such as an idler pulley or tensioning screw, can impact the ease of belt tensioning and the ability to maintain proper belt tension over time. A well-designed tensioning mechanism ensures consistent and reliable power transmission by maintaining the optimal tension in the belt.
6. Flanges and Hub Configuration:
The presence of flanges or the configuration of the hub can affect the stability and alignment of the pulley. Flanges help to keep the belt contained within the pulley, preventing lateral movement and ensuring proper tracking. The hub configuration should provide a secure and accurate connection to the shaft, minimizing slippage or misalignment.
7. Surface Finish and Coating:
The surface finish and coating of the pulley can influence its friction characteristics, wear resistance, and corrosion protection. Smooth surface finishes and appropriate coatings can reduce friction, extend the life of the pulley and belt, and improve overall performance.
By carefully considering and optimizing these design factors, flat belt pulleys can be engineered to deliver efficient and reliable power transmission, minimize belt wear, and ensure long-lasting performance in various applications.
How do flat belt pulleys handle variations in load capacity and speed?
Flat belt pulleys are designed to handle variations in load capacity and speed in power transmission systems. Here’s a detailed explanation:
1. Load Capacity:
Flat belt pulleys can accommodate variations in load capacity by adjusting the tension in the flat belt. Increasing the tension in the belt helps to transmit higher loads, while reducing the tension allows for lower loads. The tension can be adjusted by adjusting the position of the pulleys or by using tensioning devices such as idler pulleys or tensioning screws. By properly tensioning the belt, flat belt pulleys can efficiently transmit power and handle different load capacities.
2. Speed Variation:
Flat belt pulleys can handle variations in speed by adjusting the pulley diameters. The speed ratio between the driving pulley and the driven pulley determines the speed at which power is transmitted. By using pulleys with different diameters, the rotational speed can be adjusted accordingly. For example, a larger pulley on the driving shaft and a smaller pulley on the driven shaft will result in increased speed, while a smaller driving pulley and a larger driven pulley will reduce the speed. By selecting the appropriate pulley sizes, flat belt pulleys can accommodate different speed requirements in power transmission systems.
3. Variable Speed Pulleys:
In applications where continuous speed variation is required, variable speed pulleys can be used. These pulleys, also known as stepless or variable pitch pulleys, consist of two conical pulleys that can move axially, changing the effective diameter of the pulley. By adjusting the position of the conical pulleys, the speed ratio can be continuously varied, allowing for precise control of the transmitted speed. Variable speed pulleys are commonly used in applications such as conveyors, fans, and certain types of machinery that require adjustable speeds.
4. Belt Material Selection:
The choice of belt material can also contribute to handling variations in load capacity and speed. Different belt materials possess varying levels of strength, flexibility, and wear resistance. By selecting the appropriate belt material based on the specific application requirements, flat belt pulleys can effectively handle variations in load capacity and speed. For example, high-strength materials may be chosen for heavy-duty applications, while more flexible materials may be suitable for applications with high-speed variations.
It’s important to note that while flat belt pulleys can handle variations in load capacity and speed to a certain extent, there are practical limits based on the design and capabilities of the specific pulley system. It’s crucial to consider the manufacturer’s specifications, operating conditions, and safety factors when determining the suitable load capacity and speed requirements for a flat belt pulley system.
editor by CX
2024-02-04