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3&4ROUG                                                                                                                               RPM : rev./min Feed : mm/min

                                                                                 Side Cutting

                          Mild Steels/ Carbon Steels  Alloy Steels/ Tool Steels                Tool Steels/ Prehardened Steels             Tool Steels/ Stainless Steels

        Material          SS400 / S55C                SCM / SKT / SKD                          SKD / SKT / NAK55 / HPM1                    SUS304 / SKD

          Hardness        ~750N/mm2                          ~ 30HRc                           30 ~ 38HRc                                  38 ~ 45HRc
        Outside Diameter
       4mm                RPM           FEED          RPM             FEED                     RPM         FEED                            RPM           FEED
       5mm
       6mm                5,000          510          4,200            260                     3,600        180                            2,800          130
       8mm                5,000          510          4,200            270                     3,200        200                            2,400          150
       10mm               4,200          510          3,600            290                     2,800        220                            2,100          170
       12mm               3,200          510          2,700            330                     2,100        250                            1,600          190
       16mm               2,600          510          2,200            345                     1,600        260                            1,300          210
       20mm               2,100          510          1,800            360                     1,400        270                            1,100          215
                          1,600          510          1,400            385                     1,000        290                                           220
     Depth of Cut         1,300          480          1,100            375                                  280                              800          210
                                                                                                 800                                         640

                                  Ap Ae                                                                                          Ap Aa
                                 1.5D 0.4D                                                                                      1.5D 0.3D

                                                                                 Slotting

                          Mild Steels/ Carbon Steels  Alloy Steels/ Tool Steels                Tool Steels/ Prehardened Steels             Tool Steels/ Stainless Steels

        Material          SS400 / S55C                SCM / SKT / SKD                          SKD / SKT / NAK55 / HPM1                    SUS304 / SKD

          Hardness        ~750N/mm2                          ~ 30HRc                           30 ~ 38HRc                                  38 ~ 45HRc
        Outside Diameter
       4mm                RPM           FEED          RPM             FEED                     RPM         FEED                            RPM           FEED
       5mm
       6mm                4,000          430          3,800            200                     2,800        140                            2,400          110
       8mm                4,000          430          3,400            220                     2,500        160                            2,200          130
       10mm               3,600          430          3,000            240                     2,300        185                            1,900          150
       12mm               2,700          430          2,200            270                     1,800        210                            1,400          180
       16mm               2,200          430          1,800            290                     1,400        220                            1,200          185
       20mm               1,800          430          1,500            300                     1,200        230                                           190
                          1,400          430          1,100            310                                  250                              960          200
     Depth of Cut         1,100          410                           310                       900        240                              720          185
                                                        900                                      700                                         560

                                   Ap : 0.75D                                                                                   Ap : 0.5D
                                 ApMax=12mm

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