8*12*15 Graphite-Plugged Bronze Bushing

Reduce friction, wear resistance and protection
Bushings are typically made of materials that are softer, have lower friction coefficients, or possess self-lubricating properties than the base material, such as bronze, graphite copper sleeves, engineering plastics (such as polyoxymethylene POM, nylon), or powder metallurgy materials. It serves as a 'sacrifice', isolating the valuable shaft from direct contact with the substrate hole. During the friction process, wear mainly occurs on the lining, thus protecting the more valuable and difficult to replace shafts and body structures. This design philosophy of "abandoning soldiers to protect vehicles" greatly extends the core life of the equipment and reduces long-term maintenance costs.
Adjust gap, absorb vibration and seal
As the operating time of the equipment increases, the clearance between the mating parts will increase due to wear and tear. As a replaceable standard component, the liner can be easily pressed into the old hole to restore the original fitting accuracy, which is equivalent to giving the equipment a "second life". In addition, some non-metallic bushings (such as rubber bushings and polyurethane bushings) can effectively absorb and buffer vibration and impact noise, improve the smoothness and comfort of equipment operation, and are widely used in automotive suspension and construction machinery. At the same time, the tight fit of the lining can also play a preliminary role in dust prevention and sealing, preventing impurities from entering the friction pair and providing a cleaner working environment for moving parts.

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