Page 598 - Iscar
P. 598

USER GUIDE
       SOLID CARBIDE DRILLS

            Regrinding Instructions for AH Geometry



                For each grinding operation, rotate the drill
                180° and repeat the grinding procedure.









                 1





                    Primary Clearance









                 2





                    Secondary Clearance









                 3






                    Chisel









                 4





                    Edge Preparation

                Grinding Wheel Recommended Specifications:   3.  Grit size: 325/400 mesh (45/38µ)
             1.  Diameter grinding wheel: GA2               4.  Diamond concentration: C-75 (3.3 carat/cm3)
             2.  Grinding wheel bond: synthetic resin       5.  Cutting fluid emulsion 3%








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