Page 596 - Iscar
P. 596

USER GUIDE
       SOLID CARBIDE DRILLS



            Regrinding Instructions for AP and ACP Geometries


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









                 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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