This part specifies the dimensional specifications and tolerances of push plates for plastic injection molds. This section applies to push plates and push rod fixing plates used in plastic injection molds. This part also gives material guidelines and hardness requirements, and specifies the marking of push plates.
GB/T 4169.7-2006 Referenced Document
GB/T 1184-1996 Geometrical tolerancing--Geometrical tolerance for features without individual tolerance indications
GB/T 4170-2006 Specification of components of injection moulds for plastics
GB/T 4169.7-2006 history
2006GB/T 4169.7-2006 Components of injection moulds for plastics.Part 7:Ejector plate
1984GB/T 4169.7-1984 Components of injection mould for plastics--Ejector plates
GB/T 4169.7-2006 Components of injection moulds for plastics.Part 7:Ejector plate has been changed from GB/T 12555.6-1990 Injection mould for plastic large-size mould bases--Ejector plates.