Product Description
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, DDP;
Accepted Payment Currency:USD, EUR, JPY, CNY;
Accepted Payment Type: 30%T/T, 50%T/T, 70%T/T, 100%T/T, L/C at sight;
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: | One Year |
| 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 chain pulleys enhance the precision and control of lifting operations?
Chain pulleys play a significant role in enhancing the precision and control of lifting operations. Here are some ways in which chain pulleys contribute to precise and controlled lifting:
1. Mechanical Advantage:
Chain pulleys utilize a system of sheaves and chains, which creates a mechanical advantage. This allows operators to exert less force while lifting heavy loads. The mechanical advantage provided by chain pulleys enables smoother and more controlled lifting motions, reducing the risk of sudden movements that can compromise precision.
2. Multiple Sheaves:
Chain pulleys often feature multiple sheaves or wheels that guide the chain and distribute the load. By using multiple sheaves, the load can be evenly distributed, minimizing the possibility of imbalance or tilting during the lifting process. This promotes stability and control.
3. Variable Speed Options:
Some chain pulley systems offer variable speed options, allowing operators to adjust the lifting speed according to the specific requirements of the task. This feature enhances control by enabling operators to lift and position loads at a desired pace, ensuring accurate and precise placement.
4. Load Positioning:
Chain pulleys provide the ability to vertically lift loads and position them with accuracy. The pulley system allows for controlled vertical movement, enabling operators to raise or lower loads to precise heights. This is particularly useful in applications where precise positioning is necessary, such as assembly lines or construction sites.
5. Control Mechanisms:
Chain pulleys can incorporate control mechanisms to further enhance precision and control. These mechanisms may include braking systems or clutches that allow operators to stop or control the speed of lifting operations with greater accuracy. Such control mechanisms enable operators to perform delicate maneuvers and adjust the lifting process as needed.
6. Fine Adjustments:
Chain pulleys provide the capability for fine adjustments during lifting operations. By using the appropriate control mechanisms or manual adjustments, operators can make precise changes in the lifting height or position of the load. This level of fine-tuning ensures that the load is precisely placed or aligned, meeting the required specifications.
7. Operator Input:
Chain pulleys rely on manual operation, which allows the operator to have direct control over the lifting process. Operators can closely monitor the load, respond to any unexpected changes, and make real-time adjustments to maintain precision and control throughout the operation.
Overall, chain pulleys enhance precision and control in lifting operations through their mechanical advantage, multiple sheaves, variable speed options, load positioning capabilities, control mechanisms, fine adjustments, and operator input. These features make chain pulleys versatile tools for achieving accurate and controlled lifting in various industries and applications.
What maintenance procedures are necessary to ensure the reliability of chain pulleys?
To ensure the reliability and longevity of chain pulleys, regular maintenance procedures should be followed. Here are some essential maintenance procedures for chain pulleys:
1. Inspection:
Regularly inspect the chain pulleys for any signs of wear, damage, or misalignment. Check the condition of the chains, sheaves, and other components. Look for any cracks, deformations, or excessive wear that may affect the performance or safety of the pulleys. Inspections should be performed visually and, if necessary, by trained personnel.
2. Lubrication:
Proper lubrication is crucial for the smooth operation of chain pulleys. Apply suitable lubricants to the chains, sheaves, and bearings as recommended by the manufacturer. Lubrication reduces friction, minimizes wear, and prevents corrosion. Follow the manufacturer's guidelines for the frequency and type of lubrication required.
3. Chain Tension:
Maintain the proper tension of the chains in the pulley system. Chains that are too loose or too tight can affect the performance and lifespan of the pulleys. Follow the manufacturer's recommendations for the appropriate chain tension and adjust as necessary. Improper chain tension can lead to excessive wear, reduced efficiency, and potential safety hazards.
4. Cleaning:
Regularly clean the chain pulleys to remove dirt, debris, and contaminants that can accumulate over time. Use appropriate cleaning methods and tools, such as brushes or compressed air, to ensure that the chains and sheaves remain free from obstructions. Clean pulleys operate more efficiently and have a reduced risk of premature wear or malfunction.
5. Replacement of Worn Parts:
If any components of the chain pulleys, such as chains, sheaves, or bearings, show significant wear or damage during inspections, they should be promptly replaced. Worn or damaged parts can compromise the reliability and safety of the pulleys. Follow the manufacturer's recommendations for replacement parts and ensure proper installation.
6. Training and Operator Awareness:
Ensure that operators are trained on the proper use and maintenance of chain pulleys. Educate them about the importance of regular inspections, lubrication, and other maintenance procedures. Encourage operators to report any abnormalities or concerns regarding the performance of the pulleys. Operator awareness and proactive maintenance practices contribute to the reliability and safe operation of chain pulleys.
7. Record-Keeping:
Maintain accurate records of maintenance activities performed on the chain pulleys. This includes inspection dates, lubrication schedules, replacement of parts, and any other relevant information. Proper record-keeping allows for tracking the maintenance history of the pulleys and helps in identifying patterns or issues that may require attention.
By following these maintenance procedures, chain pulleys can be kept in optimal condition, ensuring their reliability, safety, and longevity. Regular inspections, proper lubrication, appropriate chain tension, cleaning, timely replacement of worn parts, operator training, and maintenance record-keeping are essential practices for maintaining the reliability of chain pulleys.
What is a chain pulley, and how is it used in lifting and hoisting applications?
A chain pulley, also known as a chain block or a chain hoist, is a mechanical device used for lifting and hoisting heavy loads in various applications. It consists of a chain, a set of pulleys, and a lifting mechanism. Here's how it is used:
1. Construction and Components:
A chain pulley typically consists of a load chain made of high-strength alloy steel. The load chain is guided by a set of pulleys, including a lifting pulley and a load pulley. The lifting pulley is connected to a lifting mechanism, which may involve a hand chain, lever, or electric motor.
2. Lifting and Lowering Loads:
In lifting and hoisting applications, the chain pulley is attached to the load to be lifted. The load chain is pulled through the lifting pulley using the lifting mechanism. As the chain is pulled, the load pulley raises the load off the ground, allowing it to be lifted to the desired height. The lifting mechanism is used to control the speed and direction of the lifting operation.
3. Mechanical Advantage:
Chain pulleys utilize the principle of mechanical advantage to enable the lifting of heavy loads with less effort. The arrangement of multiple pulleys in the chain pulley system increases the force applied to the load chain, allowing for efficient lifting. This mechanical advantage reduces the amount of force required by the operator to lift the load.
4. Different Configurations:
Chain pulleys are available in different configurations to suit various lifting and hoisting requirements. They can be manual, operated by hand or lever, or powered by electric motors for more demanding applications. The capacity of a chain pulley can vary, ranging from a few hundred kilograms to several tons, depending on the specific model.
5. Versatility and Portability:
Chain pulleys are known for their versatility and portability. They can be used in a wide range of industries, including construction, manufacturing, warehouses, and workshops. Their compact design, lightweight construction, and ease of installation make them suitable for both indoor and outdoor lifting applications.
6. Safety Features:
Chain pulleys are equipped with various safety features to ensure secure lifting operations. These may include load limiters to prevent overloading, safety hooks to securely attach the load, and brake systems to control the movement and prevent accidental lowering of the load.
7. Maintenance and Inspection:
Regular maintenance and inspection are essential for the safe and reliable operation of chain pulleys. Lubrication of the load chain, inspection of hooks and safety features, and periodic load testing are some of the maintenance tasks that should be performed according to the manufacturer's guidelines.
Chain pulleys are widely used in lifting and hoisting applications due to their efficiency, mechanical advantage, versatility, and portability. Whether in construction sites, manufacturing facilities, or warehouses, chain pulleys provide a reliable and effective solution for lifting heavy loads.
editor by CX
2024-05-15
