SGS-Tools - Полный каталог инструмента - 2013 EN

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Speed & Feed Recommendations

                 57              HARDNESS           CUT       SPEED           1/4                                    FEED (inch/flute)    1/2
            Fractional            BRINELL          Type        sfm                                                5/16 3/8
                                                                            0.0013                                                      0.0031
 STEEL                          > 280           Slot        215          0.0018                                0.0019  0.0025        0.0044
     TOOL STEEL                     420         Profile       265          0.0022                                                      0.0055
     MOLD & DIE STEEL                          High Speed      560          0.0010                                0.0026  0.0035        0.0025
     300M, 4340, 52100,            > 420           Slot        120          0.0014                                                      0.0035
     HP 9-4-20, M-50,               560         Profile       150          0.0018                                0.0033  0.0044        0.0044
     A2, D2, H13, L2, M2,                      High Speed      490          0.0008                                                      0.0019
     P20, S7, T15, W2              > 560           Slot        65           0.0011                                0.0015  0.0020        0.0026
                                    745         Profile       80           0.0013                                                      0.0031
                                               High Speed      250                                                0.0021  0.0028

                                                                                                                  0.0026  0.0035

                                                                                                                  0.0011  0.0015

                                                                                                                  0.0016  0.0021

                                                                                                                  0.0019  0.0025

                57M              HARDNESS           CUT       SPEED            6                                   FEED (mm/flute)        12
               Metric             BRINELL          Type       m/min                                               8 10
                                                                            0.032                                                       0.079
 STEEL                          > 280           Slot        66           0.046                                 0.048   0.064         0.112
     TOOL STEEL                     420         Profile       81           0.056                                                       0.140
     MOLD & DIE STEEL                          High Speed      171          0.025                                 0.066   0.089         0.064
     300M, 4340, 52100,            > 420           Slot        37           0.036                                                       0.089
     HP 9-4-20, M-50,               560         Profile       46           0.046                                 0.084   0.112         0.112
     A2, D2, H13, L2, M2,                      High Speed      149          0.020                                                       0.048
     P20, S7, T15, W2              > 560           Slot        20           0.028                                 0.038   0.051         0.066
                                    745         Profile       24           0.033                                                       0.079
                                               High Speed      76                                                 0.053   0.071

                                                                                                                  0.066   0.089

                                                                                                                  0.028   0.038

                                                                                                                  0.041   0.053

                                                                                                                  0.048   0.064

              SLOT                             CUT TYPE                           HIGH SPEED                              rpm = sfm x 3.82 / D1
                                               PROFILE                                                                    rpm = (1000 x m/min) / (3.14 x D1)
                                                                  > 280  560 Bhn > 560  740 Bhn                         ipm = (inch/flute) x 6 x rpm
> 280  560 Bhn > 560  740 Bhn  > 280  560 Bhn > 560  740 Bhn  Rw = .04 x D1 Rw = .01 x D1                             mm/min = (mm/flute) x 6 x rpm
                                                                  Ad = 1.5 x D1 Ad = 1.5 x D1
Rw = D1       Rw = D1            Rw = .1 x D1  Rw = .05 x D1                                                              • maximum recommended depths
Ad = .3 x D1  Ad = .1 x D1       Ad = 1.5 X D1 Ad = 1.5 x D1                                                                shown

                                                                                                                          • finish cuts typically require
                                                                                                                            reduced feed and cutting depths
                                                                                                                            of .02 x D1 maximum

                                                                                                                          • refer to the SGS Tool Wizard
                                                                                                                            for more complete technical
                                                                                                                            information
                                                                                                                            (available at )

70                                                         sgs@sgs-tool.ru                                                END MILLS
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