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4 In 1 Counter Bore Program Description
                       CNC No.G83(G98)
                 Peck drilling (CNC No.G83)
                 Recommended cutting speed, Vc(m/min), Feed, fz(mm/tooth).The effective
                                - Starting Point  -  Point  -  1  -  -  -  Point  -  -  CNC No.G83(G99)  F20  Counterbore  Point  1  Point •  The G83 cycle or peck drilling is for deep drilling or milling with chip breaking. The retracts     in this cycle clear the hole of chips and cut off any long stringers (which are   common when      drilling in aluminum). This cycle takes a Q number which represents a "delta" increment      along the
                       Grades  E
           Recommended Cutting Data And Insert Grade
                                B350/C350  B350/C350  B350/C350  B350  B350  B350  F30  F30  -



                            (D2)      M  16-20  0.07  0.09  0.07  0.09  0.06  0.08  0.05  0.07  0.07  0.09  0.06  0.08  0.13  0.16  0.12  0.15  0.11  0.14


                      Feed,Fz  (mm/ tooth)  140°  (D2)  (D2)  12  10  0.07  0.06  0.09  0.08  0.07  0.06  0.09  0.08  0.06  0.05  0.08  0.07  0.05  0.04  0.07  0.06  0.07  0.06  0.09  0.08  0.06  0.05  0.08  0.07  0.13  0.12  0.16  0.15  0.12  0.11  0.15  0.14  0.11  0.10  0.14  0.13




                    ute.    (D2)  8  0.06  0.08  0.06  0.08  0.05  0.07  0.04  0.06  0.06  0.08  0.05  0.07  0.12  0.15  0.11  0.14  0.10  0.13 • While using for spot drill, RPM and FEED can be increased to 50%.
                   no. of teeth is calculated with 1 fl              Cutting Speed  Material         Vc(m/min)  group  50-70  1-2  50-70  3  45-60  4-5-6  25-30  7  35-45  8-9  35-40  10-11  70-90  12-13  60-80  14-15  100-150  16-18  238   YIH TROUN ENTERPRISE CO.,LTD
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