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
Haibite 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.
| Aligning: | Aligning Bearing |
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| Separated: | Unseparated |
| Rows Number: | Single |
| 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:
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 are sheave pulleys used in the operation of cranes and hoists?
Sheave pulleys play a vital role in the operation of cranes and hoists, enabling the lifting and movement of heavy loads. Here is a detailed explanation of how sheave pulleys are used in the operation of cranes and hoists:
In cranes and hoists, sheave pulleys are typically incorporated into the lifting mechanism, often in combination with cables or ropes. The integration of sheave pulleys involves the following steps:
1. Lifting Mechanism Design: The lifting mechanism of a crane or hoist is designed based on the specific requirements of the lifting operation. Factors such as load capacity, lifting height, and application type are taken into consideration.
2. Wire Rope Selection: The appropriate wire rope or cable is selected based on the load capacity and other relevant factors. The wire rope is chosen to have suitable properties such as strength, flexibility, and resistance to wear or corrosion.
3. Sheave Pulley Configuration: Sheave pulleys are configured and positioned within the lifting mechanism to guide and support the wire rope. The pulleys are mounted on a framework or structure that allows them to rotate freely.
4. Multiple Pulley Systems: Cranes and hoists often utilize multiple sheave pulleys arranged in various configurations to achieve mechanical advantage and increase lifting capacity. These configurations include single sheave, double sheave, and multiple sheave arrangements.
5. Wire Rope Routing: The wire rope is threaded through the grooves of the sheave pulleys, creating a continuous loop. The pulleys guide the wire rope along the intended path, ensuring proper alignment and minimizing friction.
6. Drive Mechanism: A drive mechanism, such as an electric motor or hydraulic system, provides the power necessary to rotate the sheave pulleys. The rotation of the pulleys causes the wire rope to move, lifting or lowering the load.
7. Lifting and Lowering: When the crane or hoist is operated, the sheave pulleys rotate, causing the wire rope to move. As the wire rope is wound or unwound from the pulleys, the load is lifted or lowered accordingly. The mechanical advantage provided by the multiple pulley systems allows for efficient lifting and precise control.
8. Load Control and Safety: Cranes and hoists incorporate various control mechanisms, such as brakes and limit switches, to ensure safe and controlled lifting operations. These mechanisms work in conjunction with the sheave pulleys and other components to prevent overloading, uncontrolled descent, or other hazardous situations.
Regular maintenance and inspection of the sheave pulleys, wire rope, and other lifting components are essential to ensure the continued safe and reliable operation of cranes and hoists. This includes lubrication of the pulleys, checking for signs of wear or damage, and making necessary adjustments or replacements to maintain optimal functionality.
How are sheave pulleys utilized in industrial machinery and conveyor systems?
Sheave pulleys play a crucial role in industrial machinery and conveyor systems, providing mechanical advantage, facilitating directional changes, and ensuring efficient power transmission. Here is a detailed explanation of how sheave pulleys are utilized in these applications:
1. Belt and Chain Drives: Sheave pulleys are commonly used in belt and chain drive systems to transmit power between different components of industrial machinery. By connecting the driving and driven shafts with a belt or chain looped around the sheave pulleys, rotational motion can be transferred from one shaft to another. The size and configuration of the sheave pulleys determine the speed and torque ratio between the input and output shafts, allowing for speed reduction or amplification as required by the machinery’s design.
2. Conveyor Systems: Sheave pulleys are integral components of conveyor systems used in industries such as manufacturing, mining, and logistics. In conveyor belts, sheave pulleys are typically installed at the ends of the belt to support and guide the belt as it moves. The rotation of the sheave pulleys drives the belt, enabling the transportation of materials or products along the conveyor line. By incorporating multiple sheave pulleys, conveyor systems can be designed to change the direction of belt movement, merge or divert product flows, and accommodate different layouts and configurations within the industrial setting.
3. Tensioning and Tracking: Sheave pulleys are utilized for tensioning and tracking purposes in industrial machinery and conveyor systems. In belt-driven systems, sheave pulleys are often used as idler pulleys to maintain proper tension in the belt. By applying tension to the belt, sheave pulleys ensure that it remains properly engaged with the driving and driven pulleys, preventing slippage and ensuring efficient power transmission. Additionally, sheave pulleys with adjustable positions can be used to track the belt, keeping it centered and aligned within the conveyor system.
4. Load Distribution: Sheave pulleys contribute to load distribution in industrial machinery and conveyor systems. By distributing the load across multiple strands of belts or chains, sheave pulleys minimize stress on individual components and enhance the overall system’s durability and reliability. This load distribution also helps prevent excessive wear and tear on the belts or chains, reducing maintenance requirements and extending their service life.
5. Speed Control: Sheave pulleys allow for speed control in industrial machinery and conveyor systems. By adjusting the diameter or configuration of the sheave pulleys, the rotational speed of the driven components can be regulated. This speed control is crucial in applications where precise control of the machinery’s output speed is required. It enables operators to match the speed of the machinery to the specific requirements of the production process, ensuring optimal performance and efficiency.
6. System Customization: Sheave pulleys offer flexibility and customization options in industrial machinery and conveyor systems. Different sizes, materials, and configurations of sheave pulleys can be selected based on specific application requirements. This allows for the design of systems that can handle a wide range of loads, speeds, and environmental conditions. The ability to customize sheave pulleys ensures that industrial machinery and conveyor systems can be tailored to meet the unique needs of various industries and applications.
Overall, sheave pulleys are essential components in industrial machinery and conveyor systems. They are utilized for belt and chain drives, conveyor systems, tensioning and tracking, load distribution, speed control, and system customization. By providing mechanical advantage, facilitating directional changes, and ensuring efficient power transmission, sheave pulleys contribute to the functionality, performance, and reliability of industrial machinery and conveyor systems in diverse industrial sectors.
What role do sheave pulleys play in gym and fitness equipment?
Sheave pulleys play a significant role in gym and fitness equipment, contributing to the functionality and effectiveness of various exercise machines. Here is a detailed explanation of the role sheave pulleys play in gym and fitness equipment:
1. Cable-based Resistance Systems: Many gym and fitness machines utilize cable-based resistance systems, such as cable crossover machines, functional trainers, and lat pulldown machines. Sheave pulleys are essential components of these systems as they guide the cables and provide the necessary mechanical advantage for resistance training. By incorporating sheave pulleys, these machines allow users to perform a wide range of exercises targeting different muscle groups with adjustable resistance levels.
2. Adjustability and Versatility: Sheave pulleys offer adjustability and versatility in gym and fitness equipment. The positioning of the sheave pulleys can be adjusted to change the exercise angle and range of motion, accommodating users of different heights and body sizes. This adjustability allows for targeting specific muscles and varying the intensity of workouts. Additionally, sheave pulleys enable the attachment of various handles, bars, or straps, allowing users to perform different exercises and variations on a single machine.
3. Smooth and Controlled Movement: Sheave pulleys contribute to providing smooth and controlled movement in gym and fitness equipment. The grooves in the sheave pulleys guide the cables, reducing friction and ensuring consistent resistance throughout the exercise motion. This smooth movement enhances the user experience by minimizing jerky or uneven resistance, allowing for fluid and controlled movements during exercises.
4. Isolation and Functional Training: Sheave pulleys enable both isolation and functional training in gym equipment. In isolation exercises, sheave pulleys allow users to target specific muscle groups by providing a focused range of motion. This is beneficial for muscle isolation and development. On the other hand, in functional training exercises, sheave pulleys facilitate multi-joint movements and mimic real-life activities by providing adjustable resistance and freedom of movement. This combination of isolation and functional training capabilities makes gym equipment with sheave pulleys versatile and suitable for a wide range of exercise routines.
5. Compact Design: Sheave pulleys contribute to the compact design of gym and fitness equipment. By utilizing sheave pulleys, machines can incorporate cable-based resistance systems without requiring excessive space. The compact design allows for efficient use of floor space in gyms and fitness centers, making it possible to include a variety of exercise machines within a limited area.
6. Progressive Overload: Sheave pulleys play a role in progressive overload, a fundamental principle of strength training. Progressive overload involves gradually increasing the resistance or load placed on the muscles to stimulate growth and strength gains. Sheave pulleys allow users to easily adjust the resistance by changing the weight stack or pin position, enabling progressive overload and making it easier to track and measure progress over time.
Overall, sheave pulleys are integral components of gym and fitness equipment, providing cable-based resistance systems, adjustability, smooth and controlled movement, isolation and functional training capabilities, compact design, and support for progressive overload. These features enhance the versatility, effectiveness, and user experience of gym and fitness equipment, allowing individuals to perform a wide range of exercises and achieve their fitness goals.
editor by CX
2023-11-14
