This standard specifies the material, heat treatment, technical conditions, structure type and specifications of the B-type guide sleeve of the die guide device. This standard applies to die slide guide die base.
GB/T 2861.7-1990 history
2008GB/T 2861.3-2008 Guide unit for stamping dies.Part3:Guide bushes for sliding guide
1990GB/T 2861.7-1990 Guide unit for press tools--Guide bushes, type B
GB/T 2861.7-1990 Guide unit for press tools--Guide bushes, type B was changed to GB/T 2861.3-2008 Guide unit for stamping dies.Part3:Guide bushes for sliding guide .