Product Description
Detailed Photos
Product Description
| Item No. | Plastic Screw 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.
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| Certification: | ISO |
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| Material: | Nylon |
| Application: | Chemical Industry, Grain Transport, Mining Transport, Power Plant |
| 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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What role do step pulleys play in achieving variable speed control in machinery?
Step pulleys play a crucial role in achieving variable speed control in machinery. Here’s how they contribute to this capability:
1. Speed Variation:
Step pulleys provide multiple steps or levels of different diameters. By changing the position of the belt or chain from one step to another, the effective diameter of the pulley is altered. This variation in diameter results in different speed ratios between the driving pulley and the driven pulley. By selecting different steps, the rotational speed of the driven component can be adjusted, allowing for variable speed control.
2. Manual Adjustment:
Step pulleys enable manual adjustment of the speed. Operators can easily and quickly change the speed by shifting the belt or chain to a different step on the pulley. This manual adjustment feature provides simplicity and convenience in achieving the desired speed for different tasks or operating conditions.
3. Speed Range:
The arrangement of steps on the pulley determines the available speed range. Step pulleys can be designed with a range of steps, each corresponding to a specific speed ratio. This allows for a wide range of speed options, making them suitable for applications that require variable speeds.
4. Incremental Speed Control:
Step pulleys offer incremental speed control. Each step on the pulley corresponds to a specific speed ratio, allowing for precise speed adjustments. Operators can select the step that provides the desired speed increment for the specific task at hand. This incremental control is particularly useful when fine-tuning the speed for optimal performance.
5. Adaptability:
Step pulleys are adaptable to different power transmission systems. They can be easily integrated into various machinery setups, allowing for variable speed control in a wide range of applications. Whether it’s in industrial machinery, woodworking equipment, or even domestic appliances, step pulleys provide a versatile solution for achieving variable speed control.
6. Energy Efficiency:
Variable speed control offered by step pulleys contributes to energy efficiency. By adjusting the speed to match the requirements of the task, unnecessary power consumption can be avoided. This energy-saving feature is beneficial in terms of reducing operating costs and promoting sustainability.
Overall, step pulleys are essential components for achieving variable speed control in machinery. Their ability to vary speed through manual adjustment and their adaptability to different systems make them a reliable and effective solution for applications that require flexible speed control.
What safety considerations should be kept in mind when working with step pulleys?
Working with step pulleys involves certain safety considerations to prevent accidents and ensure the well-being of individuals involved. Here are some important safety guidelines to keep in mind:
1. Read and Follow Manufacturer’s Instructions:
Before operating any machinery or equipment with step pulleys, carefully read and understand the manufacturer’s instructions, warnings, and safety guidelines. Follow them strictly to ensure safe usage.
2. Wear Personal Protective Equipment (PPE):
Always wear appropriate personal protective equipment, such as safety glasses, gloves, and hearing protection, when working with step pulleys. PPE helps protect against potential hazards, including flying debris, entanglement, and noise.
3. Machine Guarding:
Ensure that all necessary machine guards and safety shields are in place and properly functioning. Machine guards help prevent accidental contact with moving parts, including step pulleys, reducing the risk of injury.
4. Lockout/Tagout Procedures:
Follow lockout/tagout procedures when performing maintenance or repair tasks on machinery with step pulleys. Lockout/tagout involves isolating the equipment from its power source and securing it to prevent accidental startup during maintenance activities.
5. Proper Training and Supervision:
Ensure that operators and maintenance personnel receive proper training on the safe operation and maintenance of machinery with step pulleys. Supervise their work initially until they have gained sufficient experience and competence.
6. Avoid Loose Clothing and Jewelry:
Avoid wearing loose clothing, jewelry, or anything that could get entangled in the moving parts of the machinery, including step pulleys. Loose items can pose a serious risk of entanglement and injury.
7. Use Proper Tools and Equipment:
Use the appropriate tools and equipment when working with step pulleys. Using improper tools or makeshift solutions can lead to accidents or damage to the equipment.
8. Regular Maintenance and Inspection:
Perform regular maintenance and inspection of the machinery and step pulley system. Check for any signs of wear, damage, or misalignment. Address any issues promptly to ensure safe and efficient operation.
9. Report and Address Safety Concerns:
If you notice any safety concerns or potential hazards related to the step pulley system, promptly report them to the appropriate personnel. Take necessary actions to address the concerns and ensure a safe working environment.
10. Follow Safe Work Practices:
Adhere to safe work practices, such as keeping the work area clean and organized, maintaining proper lighting, and avoiding distractions. These practices contribute to a safer work environment when working with step pulleys.
By following these safety considerations and guidelines, you can minimize the risks associated with working with step pulleys and create a safer working environment for yourself and others.
How does the arrangement of steps on a pulley affect its performance?
The arrangement of steps on a pulley plays a significant role in determining its performance characteristics. Here’s how the arrangement of steps can affect the performance of a pulley:
1. Speed Range:
The number and spacing of steps on a pulley determine the available speed range. A pulley with more steps provides a broader range of speed options, allowing for finer speed control and greater flexibility in adjusting the speed to suit specific requirements.
2. Speed Increment:
The spacing between steps influences the speed increment between each step. A pulley with steps that are closely spaced together provides smaller speed increments, allowing for more precise speed adjustments. Conversely, steps that are spaced farther apart result in larger speed increments.
3. Torque Output:
The diameter of each step on a pulley affects the mechanical advantage and torque output. A smaller diameter step provides higher torque output at the expense of lower rotational speed. In contrast, a larger diameter step offers higher rotational speed but lower torque. The arrangement of steps allows for selecting the appropriate diameter to achieve the desired torque and speed balance.
4. Smoothness of Speed Transition:
Smoothness in speed transition is influenced by the shape and profile of the steps on the pulley. Steps with smoothly contoured profiles result in smoother belt engagement and disengagement during speed changes. This helps reduce belt wear and noise while ensuring consistent and reliable power transmission.
5. Belt Engagement:
The shape and design of the steps are crucial for effective belt engagement. Steps that have sufficient depth and an appropriate V-shaped or flat profile ensure secure and reliable belt engagement. Proper belt engagement is essential for transmitting power efficiently and preventing slippage.
6. System Efficiency:
The arrangement of steps affects the overall efficiency of the system. A well-designed step arrangement ensures that the belt or cable engages smoothly with the steps, minimizing energy losses due to slippage or excessive friction. This contributes to improved system efficiency and reduced power wastage.
7. Load Capacity:
The arrangement of steps also influences the load capacity of the pulley. Steps that are properly spaced and have adequate surface area can accommodate higher loads without compromising performance or risking belt failure.
When designing or selecting a pulley, careful consideration should be given to the arrangement of steps to optimize the performance characteristics required for the specific application.
editor by CX
2024-04-30
