Plastic gear’s research progress and direction

Plastic gears have many unique advantages, and have been widely used in smart household, automobile and various fields, domestic and foreign researchers have carried out many studies on the structural design, material characteristics and performances of plastic gears, and formed some standards. A brief overview of the history of plastic gears was given, and the most recent advancements in plastic gear research were presented. These included the pros and cons of plastic gears, creative profile and structure designs, material modifications and applications, injection molding process optimization, new measurement techniques, performance testing and evaluation, and the creation of plastic gear standardization. It’s concluded that plastic gear is at an important stage of development, comprehensive performance improvement by new structure design and material applications well as carrying out more deep experimental researches to accurately grasp their behavior and performance are the directions of future plastic gear researches.