Page 428 - ISCAR(TURNING-CATALOG-42-2022)
P. 428

USER GUIDE
      GROOVE-TURN  Machine Power Calculation                  •  M-type tools have no support under






              Calculation of Required Machine Power
                                                                M-type Tools
                                                                the insert’s cutting edge
                  Use the formulas below or use our internet web tool at:
                                                              •  For an insert with a width smaller than 2.2 mm, there
                       http://mpwr.iscar.com/machinimgpwr
                                                                are no standard catalog tools available. There are 2
                                                                options as to how to use these narrow inserts:
                                 Turning
                          P =   K ∙a ∙f∙v c   [kW]             1 Modify an existing tool and adjust the support
                                   p
                                 c
                                                                under the insert to the required width

                                h∙ 60,000

                                                               2 Use a standard M-type tool without support
                                                              •  In wider widths, there are also cases where the support
                             R                                  under the insert will disturb machining (threading inserts,
                                                                pulley-V inserts and various specially tailored inserts) and
                                                                therefore the above explanation should be considered
                            W                                 •  These tools also provide the option for
                                                                customers to use a very wide range of insert
                                                                widths on the same tool (up to 6.4 mm)
                             f
                                 ap      f                    •  Machining conditions need to be light due to
                                                                little support and limited gripping forces
                              Grooving/Parting                  Kc Values
                                                                      Mtl. Gr. No.          Kc [N/mm ]
                                                                                                   2
                                K ∙W∙f∙v
                                       c
                           P =    h∙ 60,000      [kW]                     1                   2000
                                 c

                                                                          2                   2100
                                                                          3                   2150
                                                                          4                   2200
                             f
                                                                          5                   2100
                                                                          6                   2100
                                                                          7                   2100
                           W
                                                                          8                   2100
                                                                          9                   2100
                            R           f                                 10                  2500
                                                                          11                  3250
                                                                          12
                                                                                              2300
      TEXT                     Face Grooving                              13                  2800
                                                                          14
                                                                                              2600
                                 c
                           P =   K ∙W∙f∙v c  [kW]                         15                  1100
                                                                          16
                                                                                              1300

                                  h∙ 60,000
                                                                          17                  1100
                                                                          18                  1800
                                                                          19                   900
                                                                          20                  1000
                             f
                                                                          21                   500
                           W                                              22                   800
                                    f                                     23                   800
                                                                          26                   700
              Where:                                                      27                   700
              Kc - Specific cutting forces (N/mm ),                       28                  1700
                                      2
                  turning values could be used                            31                  3000
              h  - Efficiency (h≈0.8)                                     32                  3100
                                                                          33                  3300
                                                                          34                  3300
                                                                          35                  3200
                                                                          36                  1700
                                                                          37                  1700
                                                                          38                  4600
                                                                          39                  4700
                                                                          40                  4600
                                                                          41                  4500
                                                                For material groups, see page 432





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