This standard specifies the specifications, structure and technical requirements of straight guide bushes. This standard applies to the straight guide sleeves of large mold bases for plastic injection molds, etc.
GB/T 12555.11-1990 history
2006GB/T 4169.2-2006 Components of injection moulds for plastics.Part 2:Straight guide bush
GB/T 12555.11-1990 Injection mould for plastic large-size mould bases--Straight guide bushes was changed to GB/T 4169.2-2006 Components of injection moulds for plastics.Part 2:Straight guide bush.