*Part name: Plastic molding part for lamp holder
*Plastic raw material used: PBT
*Plastic molding technology
Venting hole layout of molding tool
If the layout of venting hole is not reasonable, not only they can not function well, but also result in deformation and dimensional change of plastic part.
So for the selection of venting hole positon, they should be at the final positon of plastic filling or at the position where the air is trapped and the plastic part is easily burned.
