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Door and window pulley as a key component in the door and window system, its design and performance directly affects the opening and closing smoothness and service life of doors and windows. The following are the general requirements and characteristics of door and window pulleys:

1. Material selection

Pulleys are usually made of high-strength and corrosion-resistant materials, and common choices include:

Plastic pulley: suitable for light doors and windows, with good abrasion resistance and quietness.

Aluminum alloy pulley: suitable for medium and heavy doors and windows, with excellent strength and corrosion resistance, suitable for indoor and outdoor use.

Stainless steel pulley: mainly used for doors and windows that need higher corrosion resistance and strength, such as doors and windows in seaside areas or high humidity environments.

2. Load capacity

The load capacity of the pulley directly affects the carrying capacity and stability of the doors and windows. When designing, you need to consider the weight of the doors and windows and the conditions of use, and choose the appropriate load capacity of the pulley to ensure safety and durability.

3. Smooth operation

Pulleys need to have smooth and quiet running characteristics to reduce friction and noise and improve user comfort. High quality pulleys often use precision bearings or special designs to achieve smooth opening and closing operations.

4. Durability and wear resistance

Durability and abrasion resistance is one of the key performance indicators of pulleys, which need to be able to withstand long-term use and different environmental conditions. Surface treatments such as anodizing or coating can improve the corrosion and wear resistance of pulleys.

5. Safety and reliability

Pulley design should ensure stability and reliability in the process of use, not easy to produce stagnation or fall off phenomenon, in order to protect the safety and service life of the door and window system.

6. Environmental requirements

The manufacture of modern pulleys should comply with environmental protection standards, try to use environmentally friendly materials and production processes to reduce the impact on the environment.

7. Operational comfort

The design of pulleys should take into account the convenience and comfort of operation, so that users can easily open and close doors and windows, and adapt to users of different age groups and physical conditions.

In summary, door and window pulleys need to be designed and selected with a comprehensive consideration of load capacity, durability, smooth operation, safety and environmental protection and other aspects of the requirements to ensure the long-term stable operation of the door and window system and user satisfaction.

Injection molding + lathe + assembly + packaging