Aluminum alloy door and window pulley focus
2023-11-19 08:06The focus of aluminum alloy pulley mainly includes material, size and installation method.
1. Material: Aluminum alloy pulley material is mainly copper and nylon two kinds. The advantage of copper pulley is good quality, durable, but easy to rust, can only be used in dry places, need regular lubrication maintenance. The nylon pulley has good wear resistance, aging resistance and corrosion resistance.
2. Size: When purchasing aluminum alloy pulley, special attention should be paid to the size of the pulley. Different pulleys have sizes, if the size is not appropriate, it will make the window can not be installed or very loose.
3. Installation method: The installation method of aluminum alloy pulley generally includes the steps of removing the old pulley and installing the new pulley. During the installation process, you need to hold the window frame with both hands, lift it up, take it down, and then unscrew it with a screwdriver.