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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| 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 do flat belt pulleys contribute to efficient power transmission?
Flat belt pulleys play a significant role in achieving efficient power transmission in various mechanical systems. Here’s a detailed explanation:
1. Large Contact Area:
Flat belt pulleys have a wide and flat contact surface with the belt. This large contact area allows for efficient power transfer by maximizing the frictional forces between the pulley and the belt. The increased contact area results in enhanced grip, reducing the likelihood of belt slippage and improving power transmission efficiency.
2. Flexibility and Tension:
The flexibility of flat belts enables them to conform to the shape of the pulleys and maintain contact along the entire width of the belt. This flexibility allows for effective power transmission around bends and over pulleys of different diameters. Additionally, proper tensioning of the belt ensures optimal contact and minimizes energy losses due to excessive belt sag or tightness.
3. Smooth Operation:
Flat belt pulleys, when properly aligned and balanced, offer smooth and vibration-free operation. This smooth operation reduces energy losses that may occur due to belt oscillation or excessive vibrations. It also helps to minimize noise and prolong the life of the belt and pulley components.
4. Adjustable Speed Ratios:
By using different-sized pulleys in a flat belt drive system, the speed ratio between the driving and driven pulleys can be adjusted. This allows for versatile power transmission, enabling the selection of the desired output speed based on the application requirements. The ability to adjust speed ratios contributes to efficient power utilization and the optimization of machinery performance.
5. Easy Maintenance and Replacement:
Flat belt pulleys are relatively easy to maintain and replace. Belt tension adjustments, pulley alignment checks, and periodic belt inspections can help ensure efficient power transmission. When replacement is necessary, flat belts are readily available and can be quickly installed, reducing downtime and improving overall system efficiency.
6. Cost-effectiveness:
Flat belt pulleys offer a cost-effective solution for power transmission compared to other types of drives. They are relatively simple in design, require minimal lubrication, and have lower initial costs compared to systems such as gear drives or chain drives. This cost-effectiveness makes flat belt pulleys a popular choice in a wide range of applications.
By maximizing the contact area, ensuring proper tension, providing smooth operation, allowing for adjustable speed ratios, and offering ease of maintenance, flat belt pulleys contribute to efficient power transmission. Their design characteristics and versatility make them suitable for various industrial and mechanical systems.
What safety considerations should be kept in mind when working with flat belt pulleys?
Working with flat belt pulleys involves certain safety considerations to prevent accidents and ensure safe operation. Here’s a detailed explanation:
1. Machine Guarding:
It is important to ensure that flat belt pulleys are properly guarded to prevent accidental contact with rotating parts. Guards should be in place to cover the pulley and belt, minimizing the risk of entanglement or entrapment of clothing, body parts, or tools.
2. Lockout/Tagout Procedures:
Prior to performing any maintenance or servicing tasks on machinery equipped with flat belt pulleys, proper lockout/tagout procedures should be followed. This involves isolating the power source, locking out the equipment, and clearly tagging it to indicate that maintenance work is in progress. This helps to prevent inadvertent startup of the machinery, which could cause serious injuries.
3. Personal Protective Equipment (PPE):
When working with flat belt pulleys, appropriate Personal Protective Equipment (PPE) should be worn. This may include safety glasses or goggles to protect the eyes from debris or flying particles, gloves to protect hands from sharp edges or pinch points, and hearing protection if the machinery generates excessive noise.
4. Training and Education:
Operators and maintenance personnel should receive proper training and education on the safe operation and maintenance of machinery with flat belt pulleys. They should be familiar with the potential hazards associated with these systems and understand the correct procedures for installation, tensioning, and adjustment of the belts.
5. Regular Inspections and Maintenance:
Flat belt pulleys should be regularly inspected for signs of wear, damage, or misalignment. Any issues should be addressed promptly to prevent further damage or potential accidents. Routine maintenance, including belt replacement, lubrication, and tension adjustments, should be performed according to the manufacturer’s recommendations.
6. Handling Heavy Loads:
When working with machinery that utilizes flat belt pulleys for heavy load transmission, proper lifting techniques should be employed to prevent strains or injuries. Mechanical lifting aids or equipment should be used as necessary to safely handle heavy loads.
7. Risk Assessment:
A thorough risk assessment should be conducted to identify and mitigate potential hazards associated with flat belt pulleys. This includes evaluating the layout of the machinery, the positioning of pulleys and belts, and any other factors that may pose a risk to the safety of operators or maintenance personnel.
By adhering to these safety considerations, the risk of accidents or injuries when working with flat belt pulleys can be significantly reduced. It is essential to follow industry best practices, manufacturer’s guidelines, and applicable safety regulations to ensure the safe operation of machinery equipped with flat belt pulleys.
What are the key components and design features of a flat belt pulley?
A flat belt pulley consists of several key components and design features that enable its functionality. Here’s a detailed explanation:
1. Pulley Body:
The pulley body forms the main structure of the flat belt pulley. It is typically cylindrical or disk-shaped and is made of durable materials such as cast iron, steel, or aluminum. The pulley body provides the foundation for the other components and supports the flat belt during operation.
2. Pulley Surface:
The surface of a flat belt pulley is designed to accommodate the flat belt. It may be flat or slightly concave to enhance belt contact and improve power transmission efficiency. The surface finish is chosen to optimize friction and traction between the pulley and the flat belt, reducing slippage and ensuring reliable power transfer.
3. Belt Grooves:
Some flat belt pulleys feature grooves or channels on their surface to accommodate the flat belt. These grooves provide a secure fit for the belt, preventing it from slipping or coming off the pulley during operation. The number and configuration of the grooves may vary depending on the specific application and belt requirements.
4. Hub or Bore:
The hub or bore is the central opening in the pulley body that allows the pulley to be mounted on a shaft. It is typically cylindrical and matches the diameter of the shaft. The hub may have keyways, set screws, or other mechanisms to ensure a secure and precise connection between the pulley and the shaft.
5. Keyway:
A keyway is a slot or groove machined into the bore of the flat belt pulley. It is used to accommodate a key, which is a small, rectangular metal piece. The key prevents the pulley from rotating independently on the shaft by providing a positive engagement between the pulley and the shaft.
6. Set Screws or Locking Mechanisms:
In addition to or instead of a keyway, flat belt pulleys may incorporate set screws or other locking mechanisms to secure the pulley to the shaft. These mechanisms allow for easy installation and removal of the pulley while ensuring it remains firmly in place during operation.
7. Balance and Alignment Features:
Flat belt pulleys are often balanced and aligned to minimize vibration and ensure smooth operation. Imbalances can lead to increased wear on the belt, bearings, and other components, as well as contribute to noise and reduced performance. Balancing techniques, such as counterweights or precision machining, are employed to achieve optimal balance. Additionally, pulleys may incorporate features like crowned surfaces or tracking guides to aid in belt alignment, reducing the risk of misalignment and optimizing power transmission.
8. Protective Coatings or Finishes:
To enhance durability and corrosion resistance, flat belt pulleys may be coated with protective finishes or coatings. These coatings, such as paint, powder coating, or specialized treatments, help protect the pulley from environmental factors, moisture, and wear, extending its service life.
In summary, the key components and design features of a flat belt pulley include the pulley body, pulley surface, belt grooves, hub or bore, keyway, set screws or locking mechanisms, balance and alignment features, as well as protective coatings or finishes. These elements work together to ensure efficient power transmission and reliable operation in machinery.
editor by CX
2024-03-29