Punching mold
top,the box should taper in towards the bottom,such that measuring the bottom internal dimension will yield a smaller length and width than measuring the top from which the mold is extracted. injection molding When the gears are not big,and it is simple,mud mould is better solution than Exchange Punching moldcore and cavity mould.As it is very fast to exchange for molding other gears. plastic injection mould CNC is an abbreviation of Computer numerical control,which is an automatic machine tool controlled by program. plastic injection mold Advanced design and engineering techniques produce the highe