Advantages of plastic gears include light weight, no rust, no noise, injection molding enables low-cost and high-volume production, and can run without lubrication by mating with metal gears. On the other hand, it has lower strength than metals, tends to generate heat, and has large dimensional changes such as backlash. The degree of dimensional change of plastic gears depends on the ability to resist temperature changes, moisture absorption rate and chemical resistance, and the use of each field is different. We can also customize metal gears according to your drawings or samples.