We’ve seen several methods of repairing plastic gears. After all, a gear is usually the same all the way around, so it is very tempting to duplicate a good part to replace a damaged part.

Pinion gears need to grip a motor shaft tightly – normally done ... 50 minutes at 160°F/71°C water using double air-evacuated plastic bags (e.g., Ziploc). In this case, we are making use ...