Page 597 - Iscar
P. 597

USER GUIDE




            Regrinding Instructions for AG and ACG Geometries


                For each Grinding operation, rotate the drill
                180° and repeat the grinding procedure.                                                              SOLID CARBIDE DRILLS









                 1

                                                   a°   D Range
                                                   7     0.8-6.0
                                                   10     >6.1
                   Primary Clearance









                 2





                   Secondary Clearance




                                                                                             a° D Range
                                                                                             100  3.0-4.8
                                                                                             105  4.9-10
                                                                                             95  10.1-20
                 3






                   Chisel



                                                                                             R  D Range
                                                                                            0.02  0.8-6.0
                                                                                            0.03  6.1-18.0
                                                                                            0.04  18.1>UP
                 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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