HYDRAULIC Quick Change System OPERATION The punch blanks are placed into the hydraulic workholder. Radial positioning is built in. The punch is then clamped into position. The complete fixture and punch assembly is then loaded into the quick change adapter. A quarter turn of the lock ring clamps the assembly into position. Component load and unload in less than 30seconds. SPECIFICATION Hydraulic chucks available in bore sizes to suit a large range of punchblanks . Typical 16mm to 114mm. By way of features on the punch blank, precision orientation of the punch blank to machine spindle datum, can be accurately achieved. System is sealed against the ingress of dirt or grinding dust. Maximum run out 3 microns at nose. Radial location within 10 microns. High gripping torque to accommodate most grinding situations MECHANICAL Quick Change System SPECIFICATION Adaption fixtures available in bore sizes to suit a large range of punch blanks . Typical 16mm to 114mm. By way of pins or slots on the punch blank precision orientation of the punch blank to machine spindle datum can be accurately achieved. Excellent run out and radial location High gripping torque to accommodate most grinding situations. OPERATION The punch blanks are placed into the adaption fixture, located radially, then clamped into position. The complete adaption fixture and punch assembly is then loaded into the master adapter then locked into position with a simple mechanism.