This standard specifies the specifications, structure and technical requirements of shouldered guide columns. This standard applies to shouldered guide posts for large mold bases of plastic injection molds.
GB/T 12555.9-1990 history
2006GB/T 4169.5-2006 Components of injection moulds for plastics.Part 5:Shouldered guide pillar
1990GB/T 12555.9-1990 Injection mould for plastic large-size mould bases--Guide pillars with shoulder
GB/T 12555.9-1990 Injection mould for plastic large-size mould bases--Guide pillars with shoulder was changed to GB/T 4169.5-2006 Components of injection moulds for plastics.Part 5:Shouldered guide pillar.