This standard specifies the structural type, specifications and dimensions, technical requirements and markings of the circular formwork of fine blanking die formwork. This standard is applicable to the selection of the ring gear plate of the convex template in the typical combination of the typical combination of the movable convex mode of the fine blanking die, the typical combination of the flat circular template, and the typical combination of the typical combination of the fixed convex mode circular template of the fine blanking die.