Three Categories Of Pulley Used In Life

    The pulley is the simplest leverage machine. Good roller skating can reduce noise and extend the service life of doors and windows.

    The uniqueness of the wooden pulley is that it has the pattern of the wood itself, so its appearance is beautiful and decorative. However, this type of pulley is not particularly good, is not very wear-resistant, has poor water resistance, is easy to absorb water, and causes loose structure. Generally suitable for light pulley for doors and windows.

    Plastic pulleys have a variety of styles and rich colors. They are both practical and decorative. The shapes are very stylish, relatively abrasion-resistant, and good waterproof performance, and corrosion resistance. Even if it is used for a long time, there is no problem. Because its load-bearing performance is also good, it is widely used.

    There are many types of powder metal pulleys, including copper slider, stainless steel pulley, aluminum slider, alloy pulley, etc. It has rich colors, high hardness, good carrying capacity, good abrasion resistance, and good waterproof performance, but not good metal corrosion resistance, and it is easy to rust for a long time. Therefore, it is more suitable for use as large doors and windows.