This standard specifies the material, heat treatment, technical conditions, structure type and specifications of the cylindrical helical compression spring of the die guide device. This standard applies to die rolling guide die base.
GB/T 2861.11-1990 history
2008GB/T 2861.6-2008 Guide unit for stamping dies.Part6:Cylindrical helical compression springs
1990GB/T 2861.11-1990 Guide unit for press tools--Cylindrical coil compression spring
GB/T 2861.11-1990 Guide unit for press tools--Cylindrical coil compression spring was changed to GB/T 2861.6-2008 Guide unit for stamping dies.Part6:Cylindrical helical compression springs.