Product Description
Small Glass Door Rollers Shower Pulley for Sliding Door
Description
- OEM size suit for customers’ requirment
- Multiple color can be choosed
- Engraved or embossed logo accepted
- Large order quantity are able to be fulfilled
- Strict quality control system
- In time delivery and thoughtful custom-service
- Certification: SGS, GB/T 19001-2016, ISO9001:2005
| material | EPDM, NR, Silicon, FKM, IIR, NBR, SBR, or Custom Compound |
| color | Black, white, red, green, transparent or any color according to Pantone code |
| size | As per customer’s requirements |
| Technology | Compression molding, injection molding, vacuum vulcanizing, extrusion. |
| Surface Treatment | Powder coating, Zinc coating, Galvanization, Electro-deposition coating, Chrome/zinc/nickel plating, Polishing, Silkscreen, Black oxide |
| Application | Automotive, ATV, Mechanical equipment, Construction, Home appliance, Aviation, Office facilities, Agriculture, etc. |
| Shippment | We have longterm cooperation with internation shipping agent and express company, so that shipping safty and arriving time are secured |
Our Factory
Our Machine
Our Certification
Zhongde is a SGS verified manufacture. We have passed ISO9001:2005 quality control certifacation as well as environment management certification.
For fast quotation, please inform below detials;
1. Product type
2. Size (provide samples or 2d/3d drawings for reference)
3. Material specification (or let us using environment)
4. Quantity request
5. Prefer color
Our Advantage:
OEM service—We are a company specialsing in making OEM mechanical parts in rubber & plastic & pu material, and we produce according to your samples or drawings ,if they are not available, we design according to your requirements and the application. Various existing molds—We have our own mould factory,and after more than 30 years of continued accumulation, there is a very large amount of moulds ,so that we may save the mould cost for you.
Our Packing
Our usual packaging ways are as followings,or it can be as customer’s request.
Shipping:
We will choose the shipping methods according to your request.
Contact Us
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| Certification: | CE |
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| Pulley Sizes: | Customized |
| Manufacturing Process: | Injection |
| Samples: |
US$ 999/Piece
1 Piece(Min.Order) | Order Sample For sample price, package information, and logisti
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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.
What are some real-world examples of step pulley applications in various industries?
Step pulleys find numerous applications across various industries. Here are some real-world examples of step pulley applications:
1. Machinery and Manufacturing:
– Drill Presses: Step pulleys are commonly used in drill presses to provide variable speed control for drilling operations. Different pulley positions allow operators to select the appropriate speed for drilling various materials.
– Lathes: Step pulleys play a crucial role in lathes by enabling variable speed control for turning operations. They allow operators to adjust the rotational speed of the workpiece to achieve desired cuts and surface finishes.
– Milling Machines: Step pulleys are utilized in milling machines to control the speed of the cutting tool. By changing the position of the belt on the pulleys, operators can achieve different cutting speeds for various materials and milling operations.
2. Automotive Industry:
– Automotive Transmissions: Step pulleys, particularly variable speed pulleys, are used in some automotive transmissions to provide seamless and efficient speed control. They allow for smooth acceleration and optimal power distribution.
– Engine Accessories: Step pulleys are employed in various engine accessories such as water pumps, alternators, and superchargers. They enable these components to operate at different speeds, optimizing their performance and power consumption.
3. Exercise Equipment:
– Treadmills: Step pulleys with variable speed functionality are used in treadmills to offer adjustable running speeds. Users can select different speed settings based on their fitness levels and workout goals.
– Stationary Bikes: Step pulleys are utilized in stationary bikes to allow users to adjust the resistance and simulate different biking terrains. By changing the belt position on the pulleys, users can vary the pedaling effort required.
4. Industrial Machinery:
– Conveyor Systems: Step pulleys are employed in conveyor systems to control the speed at which materials or products move along the conveyor belt. Different pulley positions enable speed adjustments to match production requirements.
– Packaging Machines: Step pulleys are used in packaging machines to regulate the speed of the packaging process. They ensure precise and synchronized movements of various components, such as feeding systems, sealing mechanisms, and labeling devices.
5. Printing Industry:
– Printing Presses: Step pulleys are utilized in printing presses to control the speed of the printing cylinders or rollers. They enable precise control over the ink transfer and paper feeding processes, ensuring accurate and high-quality printing results.
6. Agricultural Equipment:
– Harvesters: Step pulleys are employed in combine harvesters to adjust the rotational speed of cutting heads and threshing mechanisms. This allows for efficient crop harvesting and processing.
– Irrigation Systems: Step pulleys are used in irrigation systems to control the speed of pumps or water distribution mechanisms. They allow for precise control over water flow rates and irrigation patterns.
These are just a few examples of step pulley applications in various industries. The versatility and adaptability of step pulleys make them valuable components in a wide range of machinery and equipment, enabling efficient speed control and enhancing overall performance.
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
2024-05-16
