Defect: sharp point flash | hotel toothbrush
Cause: didn’t maintain injection mold and poor workmanship on cutting flash.
Solution: 1)overhaul mold periodically, or at least maintain before each batch of injection even the product are very low price. 2)inline inspection is required, or at least random sampling check no matter how cheap the product is!
Typical: * * * *
Rework difficulty: * * *
Rework collateral risk: * * *
