Preparation and Toughness Studies of Acetal (POM) & PTFE Blend

Plastic gears have positioned themselves as serious alternatives to traditional metal gears in a wide variety of applications. Acetal (POM) is the most commonly used material for polymer gear manufacture. Acetal is a thermoplastic used in precision parts requiring high stiffness, low friction and excellent dimensional stability. Due to poor wear resistance it is limiting its application to motion transmission and low power transmission hence to enhance wear resistance it is blended with poly tetra fluro ethylene (PTFE). Mixture of PTFE to POM increase the wear properties of blend.