This standard specifies the general technical conditions for screw press forging die modules. This standard applies to the manufacturing and management of circular modules and rectangular modules of screw press forging dies.
1991JB/T 5110.3-1991 Screw press die Technical conditions for die blocks
JB/T 5110.3-1991 Screw press die Technical conditions for die blocks was changed to JB/T 5110.1-2015 Screw press forging dies.Components.Part 1: Specifications.