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
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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| 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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How do step pulleys contribute to the functionality of drill presses and lathes?
Step pulleys play a crucial role in enhancing the functionality of drill presses and lathes. Here’s how they contribute:
1. Variable Speed Control:
Step pulleys enable variable speed control in drill presses and lathes, allowing users to adjust the rotational speed of the spindle or workpiece. By changing the position of the drive belt on different steps of the pulley, operators can select different speed settings to match the requirements of various materials, cutting tools, or machining operations. This versatility in speed control enhances the precision and flexibility of these machines.
2. Wide Speed Range:
Step pulleys provide a wide range of speed options in drill presses and lathes. The pulley system typically consists of multiple steps with different diameters, each corresponding to a specific speed ratio. This allows users to choose the desired speed within the available range, accommodating a variety of cutting or drilling tasks, from high-speed operations to slow and precise operations.
3. Easy Speed Changes:
Changing the speed on a drill press or lathe equipped with step pulleys is relatively straightforward. By manually adjusting the position of the drive belt on the pulley steps or by engaging different pulley combinations (in machines with multiple pulleys), operators can quickly switch between speed settings. This ease of speed changes enables efficient workflow and facilitates adaptability to different machining requirements.
4. Cost-Effective Solution:
Step pulleys provide a cost-effective speed control mechanism for drill presses and lathes. Compared to more complex electronic speed control systems or variable frequency drives, step pulleys are relatively simple and affordable. They offer a reliable and efficient means of achieving variable speed functionality without the need for sophisticated electronic components or significant additional costs.
5. Reliable and Durable:
Step pulleys are known for their reliability and durability, making them suitable for the demanding operations of drill presses and lathes. They are designed to withstand high rotational speeds and heavy loads, ensuring consistent performance over extended periods of use. With proper maintenance and lubrication, step pulleys can provide long-lasting service in these machining applications.
6. Compatibility with Belts or Cables:
Step pulleys are compatible with various types of belts or cables, allowing for flexibility in the selection of power transmission components. Drill presses and lathes can be equipped with V-belts, flat belts, or even cables, depending on the specific requirements of the machine and the desired power transmission characteristics. This compatibility enhances the versatility and adaptability of the pulley system.
Overall, step pulleys significantly enhance the functionality of drill presses and lathes by providing variable speed control, a wide speed range, easy speed changes, cost-effective solutions, reliability, and compatibility with different power transmission components. These features empower operators to perform a broad range of machining tasks with precision and efficiency.
Are there different types of step pulleys, and how do they vary in applications?
Yes, there are different types of step pulleys, and they vary in applications based on their design and features. Here are some common types of step pulleys and their respective applications:
1. Single-Step Pulleys:
Single-step pulleys have a single groove and are typically used in applications where a simple speed reduction or power transmission is required. They are commonly found in small machinery or equipment, such as benchtop tools, where only one fixed speed is needed.
2. Multi-Step Pulleys:
Multi-step pulleys have multiple grooves of varying diameters. They offer several speed options by positioning the belt on different steps of the pulley. These pulleys are widely used in drill presses, lathes, milling machines, and other machinery that require variable speed control. The ability to change the belt position allows for different speed settings to match specific machining operations or material characteristics.
3. Cone Pulleys:
Cone pulleys have a tapered shape, resembling a cone. They offer a continuous range of speed options by adjusting the position along the taper. Cone pulleys are commonly used in lathes, where the tailstock can be moved to change the position of the drive belt on the cone pulley, resulting in a variable speed control. They provide smooth speed transitions and are suitable for applications that require fine adjustments in speed.
4. Variable Speed Pulleys:
Variable speed pulleys, also known as stepless or infinitely variable pulleys, offer a continuous range of speed control without discrete steps. They consist of two pulleys connected by a belt or chain, with one pulley changing its diameter to vary the speed. These pulleys are commonly used in applications where precise speed adjustments are required, such as automotive engines, industrial machinery, and exercise equipment.
5. Timing Pulleys:
Timing pulleys have teeth or grooves that mate with corresponding teeth on a timing belt. They are used in applications where precise synchronization between the pulley and the driven component is necessary. Timing pulleys are commonly found in robotics, 3D printers, CNC machines, and other precision systems.
6. Step Pulley Systems with Backgear:
Some step pulley systems incorporate a backgear mechanism. Backgear allows for additional speed reduction, enabling the machine to operate at even lower speeds. These systems are commonly found in heavy-duty industrial machinery, such as large lathes or milling machines, where high torque and low-speed operations are required.
The selection of a specific type of step pulley depends on the desired speed range, the level of speed control needed, the nature of the application, and the specific machinery or equipment requirements. It is essential to choose the appropriate type of step pulley to ensure optimal performance and efficiency in the intended application.
What is a step pulley, and how does it function in mechanical systems?
A step pulley is a type of pulley that consists of multiple grooved steps or levels of varying diameters on a single pulley wheel. It is commonly used in mechanical systems to provide different speed ratios and adjust the rotational speed of driven components. Here’s how a step pulley functions:
1. Speed Variation:
The main function of a step pulley is to provide different speed ratios by changing the effective diameter of the pulley. The belt or chain used in the system can be moved from one step to another, altering the speed at which power is transmitted from the driving pulley to the driven pulley.
2. Multiple Speed Options:
Each step on a step pulley corresponds to a specific diameter, and thus, a specific speed ratio. By selecting different steps, the rotational speed of the driven component can be adjusted. This allows for multiple speed options without the need for complex transmission systems.
3. Manual Adjustment:
Step pulleys are manually adjustable, meaning the operator can change the speed ratio by physically moving the belt or chain to a different step on the pulley. This adjustability makes step pulleys versatile and suitable for applications where speed changes are required.
4. Mechanical Advantage:
Step pulleys can also provide mechanical advantage in certain applications. By selecting a smaller diameter step, the pulley can effectively increase torque while reducing the rotational speed. This can be advantageous in systems where high torque is required, such as in milling machines or lathes.
5. Simplified Design:
Step pulleys offer a relatively simple and cost-effective solution for speed variation in mechanical systems. Compared to more complex variable speed drives, step pulleys have fewer moving parts and are easier to maintain and repair.
6. Common Applications:
Step pulleys find applications in various machines and equipment, including drill presses, lathes, milling machines, and other power transmission systems where adjustable speeds are necessary.
It’s important to note that step pulleys are limited to discrete speed ratios determined by the available steps on the pulley. For more continuous speed control, other types of transmission systems like variable speed drives or electronic control systems may be required.
editor by CX
2024-03-26