China Best Sales Small Engineering Plastic UHMW-PE Pulley engine pulley

Product Description

mall engineering plastic UHMW-PE pulley

UHMW-PE(Ultra high Molecular Weight Polyethylene )is a thermoplastic engineering plastic with the average molecular weight more than 9.0 million. (PE only has the molecular weight between 20 to 2 hundred thousand. ) This kind of material with 5 top performance of high-wear-resistance, good-chemical resistance, low-temperature resistance, self-lubrication and high-impact resistance, which is regarded as a “surprised” engineering plastic of excellent comprehensive capacity and competitive price.
Main characteristics:
1. Very high-wear resistance, 7 times wear resistance than steel, 4 times than PTFE
2. Very high anti-impact resistance, 2 times impact resistance than PC, 5 times than ABS.
3. Good self-lubrication, the same as PTFE, better than steel and brass appended lubricating oil.
4. Good anti-corrosion resistance, it has very stable chemicals property and can endure the corrosion of all kinds of corrosive medium and organic solvent in certain rang of temperature and humidity.
5. Very high-inadhesion resistance, the surface of product hardly affixes other material.
6. Very high-impact resistance, 10 times impact resistance than PA66, 8 times than PTFE.
7. Good low temperature resistance, in liquefied nitrogen (- 196º C), it still has the prolongation.
Few other materials can reach to this performance.
8. Non-toxic and clean property, UHMW-PE, which is the material that Food and Drug Administration (FDA) and United States Department of Agriculture (ASDA) permit to apply in food and medicine fields.

Property Item No. Unit Value
Mechanical Properties 1 Density g/cm3 0.94-0.96
2 average molecular weight g/mol More than 9.0 million
3 Tensile strength (23ºCin air) MPa 22
4 Breaking strength MPa 42
5 Tensile strain at break % 600
6 Charpy impact strength (notched) mJ/mm 2 No break
7 Ball indentation hardness N/mm 2 42
8 Shore D hardness D65
9 Abrading(sand slurry experiment)             — 100

Material: PE
Size: According to Drawing or Sample
Color: White, Black, Green, Yellow, Blue, Red
Tooling: CNC Lathe
Dentity: 0.98
Shape: Tube, Sheet, Rod, Gear, Pulley etc.


Customized Request

small pulley

What factors should be considered when selecting the right small pulley for a specific application?

When selecting the right small pulley for a specific application, several factors should be taken into consideration. These factors help ensure that the pulley meets the requirements of the application and functions optimally. Here are the key factors to consider:

1. Load Requirements:

– The load requirements of the application are crucial in determining the appropriate small pulley. Consider the weight or force that the pulley needs to support or transmit. This includes both the static load (weight at rest) and the dynamic load (weight in motion). Ensure that the selected pulley can handle the anticipated load without experiencing excessive wear, deformation, or failure.

2. Speed and RPM:

– The speed and RPM (revolutions per minute) at which the pulley will operate play a vital role in selecting the right pulley. Consider the desired rotational speed and the requirements of the application. Ensure that the selected pulley is designed to withstand the anticipated speed without encountering issues such as excessive heat generation, belt slippage, or premature wear.

3. Belt Type and Size:

– The type and size of the belt that will be used with the pulley are important considerations. Different applications may require specific belt types, such as V-belts, timing belts, or flat belts. Match the pulley design and specifications with the corresponding belt type and size to ensure proper fit, alignment, and power transmission efficiency.

4. Pulley Material:

– The material from which the small pulley is constructed is essential for its performance and durability. Consider factors such as the operating environment (temperature, humidity, corrosive substances) and the type of load (shock loads, heavy impacts). Common pulley materials include metals like steel or aluminum, as well as plastic or composite materials. Select a material that can withstand the environmental conditions and load requirements of the application.

5. Pulley Design and Profile:

– The design and profile of the small pulley are critical for proper belt engagement, efficiency, and alignment. Consider factors such as the groove profile (e.g., V-shaped, flat, round), the number of grooves (for multi-belt systems), and any specific design features (such as flanges or guides). Ensure that the selected pulley design is compatible with the belt type, provides optimal contact surface, and facilitates efficient power transmission.

6. Shaft Compatibility:

– Consider the compatibility of the pulley with the shaft on which it will be mounted. Evaluate factors such as the shaft diameter, keyway requirements, and mounting method (set screw, keyway, press-fit). Ensure that the selected pulley matches the specifications of the shaft to ensure secure attachment, proper alignment, and efficient power transmission.

7. Environmental Factors:

– Take into account the environmental conditions in which the small pulley will operate. Factors such as temperature extremes, moisture, dust, chemicals, or exposure to UV radiation can affect the pulley’s performance and longevity. Choose a pulley that is designed to withstand the specific environmental conditions of the application to ensure reliable operation and minimize the risk of premature failure.

8. Manufacturer Reputation and Support:

– Consider the reputation and support provided by the pulley manufacturer. Choose a reputable manufacturer known for producing high-quality pulleys that meet industry standards. Check for warranty availability, technical support, and access to replacement parts or customization options. A reliable manufacturer can provide guidance in selecting the right pulley and offer assistance throughout the application’s lifecycle.

By considering these factors, you can select the right small pulley for a specific application, ensuring optimal performance, longevity, and efficiency. It is advisable to consult with pulley manufacturers, distributors, or industry experts to obtain specific guidance tailored to your application’s requirements.

small pulley

What role do small pulleys play in systems like window blinds and shades?

In systems like window blinds and shades, small pulleys play a crucial role in enabling smooth and efficient operation. These pulleys, often referred to as cord or lift pulleys, are integral components that contribute to the functionality and convenience of window covering systems. Here is a detailed explanation of the role that small pulleys play in window blinds and shades:

1. Cord Routing:

– Small pulleys are responsible for guiding and routing the cords or strings used in window blinds and shades. They ensure that the cord follows the desired path, preventing tangling or snagging. By properly routing the cords, small pulleys contribute to the smooth and reliable operation of the window covering system.

2. Cord Tensioning:

– Small pulleys help maintain appropriate tension in the cords or strings of window blinds and shades. They create a controlled pathway for the cord, allowing for consistent tension throughout the system. Proper cord tension is essential for achieving balanced and uniform movement of the blinds or shades, ensuring they remain in the desired position.

3. Cord Lifting and Lowering:

– Small pulleys facilitate the lifting and lowering of window blinds and shades. The cords or strings pass through these pulleys, allowing users to adjust the position of the window coverings. By pulling or releasing the cords, the blinds or shades can be raised or lowered smoothly and precisely. Small pulleys ensure that the cord movement is guided and controlled, enabling easy operation.

4. Cord Locking:

– Some window blinds and shades feature cord locking mechanisms to secure them in position. Small pulleys are often incorporated into these mechanisms to provide the necessary leverage and mechanical advantage for cord locking. When the desired position is reached, the cord can be locked in place using the small pulley, ensuring that the blinds or shades remain stationary until intentionally adjusted.

5. Cord Control:

– Small pulleys allow for precise control and adjustment of window blinds and shades. By manipulating the cords or strings passing through the pulleys, users can achieve specific positioning and orientation of the window coverings. Small pulleys provide the necessary mechanical advantage and control, enabling users to achieve the desired amount of light and privacy in a room.

6. Noise Reduction:

– Small pulleys contribute to noise reduction in window blinds and shades systems. They help minimize friction and rubbing between cords and other components, reducing unwanted noise during operation. Small pulleys with smooth bearings or low-friction materials can further enhance the quietness of the system, ensuring a more peaceful and pleasant user experience.

7. Durability and Reliability:

– Small pulleys play a role in ensuring the durability and reliability of window blinds and shades. They are designed to withstand repeated use and provide long-lasting performance. High-quality materials and precise engineering of the pulleys contribute to their reliability, minimizing the risk of failure or malfunction in the window covering system.

8. Aesthetics:

– Small pulleys can also have an impact on the overall aesthetics of window blinds and shades. They are often incorporated into the design of the system to be discreet and visually appealing. The size, color, and finish of the pulleys are carefully considered to complement the overall appearance of the window coverings, enhancing the visual appeal of the space.

Overall, small pulleys are essential components in window blinds and shades systems. They enable cord routing, maintain cord tension, facilitate lifting and lowering, assist in cord locking, provide cord control, contribute to noise reduction, ensure durability and reliability, and contribute to the aesthetics of the system. With their functional and practical advantages, small pulleys enhance the overall performance and user experience of window blinds and shades.

small pulley

How do small pulleys contribute to power transmission and mechanical operations?

Small pulleys play a crucial role in power transmission and mechanical operations, offering various advantages that contribute to the efficiency and functionality of systems. Here’s a detailed explanation of how small pulleys contribute to power transmission and mechanical operations:

1. Speed and Torque Conversion:

– Small pulleys enable speed and torque conversion in mechanical systems. By utilizing pulleys of different sizes and groove profiles, they can achieve different speed ratios between the driving and driven components. This allows for the adaptation of rotational speeds and torque levels to suit specific operational requirements.

2. Mechanical Advantage:

– Small pulleys provide mechanical advantage by effectively multiplying the force applied to the system. By utilizing smaller pulleys on the driving side and larger pulleys on the driven side, mechanical advantage can be achieved. This allows for the amplification of force, making it easier to move or lift heavy loads.

3. Belt or Chain Drive Systems:

– Small pulleys are commonly used in belt or chain drive systems, where they transmit power between the driving and driven components. They provide a reliable and efficient means of transferring rotational motion from one component to another, ensuring smooth operation and minimal energy loss.

4. Tension Control:

– Small pulleys contribute to tension control in belt or chain drive systems. Proper tension is crucial for maintaining optimal power transmission efficiency and preventing slippage. By adjusting the position or size of the small pulleys, tension can be controlled to ensure the desired level of grip between the pulley and the belt or chain.

5. Compact Size and Space Efficiency:

– Small pulleys are designed to be compact, making them suitable for applications where space is limited. Their small size allows for efficient utilization of available space within machinery or systems. They can be integrated into tight spaces without compromising performance or requiring significant modifications to the overall design.

6. Precise Motion Control:

– Small pulleys enable precise motion control in various mechanical operations. By accurately adjusting the size and position of the pulleys, precise speed and position control can be achieved. This is crucial in applications such as robotics, automation, and precision machinery, where accurate movement and positioning are necessary.

7. Versatility and Adaptability:

– Small pulleys offer versatility and adaptability across different applications. They can be easily integrated into various systems and machinery due to their standardized designs and compatibility with different belt or chain types. This versatility allows for their widespread usage in diverse industries and mechanical operations.

8. Reduction of Vibrations and Noise:

– Small pulleys help reduce vibrations and noise in mechanical systems. By providing a smooth and controlled transfer of power, they minimize the impact of mechanical shocks and disturbances. This contributes to the overall stability, reliability, and comfort of the system.

Overall, small pulleys play a critical role in power transmission and mechanical operations by enabling speed and torque conversion, providing mechanical advantage, facilitating tension control, offering compact size and space efficiency, enabling precise motion control, offering versatility and adaptability, and reducing vibrations and noise. Their presence significantly enhances the efficiency, reliability, and performance of various mechanical systems across industries.

China Best Sales Small Engineering Plastic UHMW-PE Pulley   engine pulleyChina Best Sales Small Engineering Plastic UHMW-PE Pulley   engine pulley
editor by CX