Quick change device for punch, has clamping plate with hole having inside diameter that is larger than inside diameter of bore of retaining plate by about 1 to 2 mm

摘要

The quick change device includes a clamping plate (12) which is arranged below a retaining plate (10). The clamping plate has a hole (13) which is arranged corresponding to the bore (11) of the retaining plate. The inside diameter of the hole of the clamping plate is larger than the inside diameter of the bore of the retaining plate by about 1 to 2 mm.