GUHRING - Навигатор по режимам резания - 2010 EN

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Drilling tools

Loadability of machine

                             Used tool:                   Feed F [mm/U]  0,5 1000                                                     Feedgeschwindigkeit
                  Ratio drills RT 100                                    0,4 800                                                   vf [mm/min]
         Minimum cutting speed:                                          0,3 600
          for steel: vc = 70 m/min                                       0,2 400
                                                                         0,1 200
                      (see right table)
    for cast iron: vc = 110 m/min                                            2 4 6 8 10 12 14 16 18 20 22 24 26
                                                                                                    Tool diameter [mm]
        for AlSi7: vc = 200 m/min

Feed force                       Feed force Ff [kN]  drilling steel (1000 MPa.N/mm2)                 max       Feed force Ff [kN]         dr
                                                                                                         F
         Ff has to be converted                      10                                              min    f                       10
linearly for tensile strengths                        8                                                                               8
                                                      6                                                                               6
       other than 1000 N/mm2                          4                                                                               4
                                                      2                                                                               2
Required power
                                                          35                  10 15          20  25                                              3
        Pc has to be converted                                           Tool diameter [mm]
linearly for tensile strengths                                                                                                      14
                                 Power Pc [kW]       14                                              max       Power Pc [kW]        12
       other than 1000 N/mm2                         12                                                  P                          10
                                                     10                                              min    c                         8
Required torque                                       8                                                                               6
                                                      6                                                                               4
       Mc has to be converted                         4                                                                               2
linearly for tensile strengths                        2
                                                                                                                                                 3
       other than 1000 N/mm2                              35                  10 15          20  25
                                                                         Tool diameter [mm]                                        100
                                                                                                                                    80
                                 torque Mc [Nm]      100                                               max     torque Mc [Nm]       60
                                                      80                                                   Mc                       40
                                                      60                                                                            20
                                                      40                                               min
                                                      20                                                                                         3
                                                                                                 25
                                                          35                  10 15          20
                                                                         Tool diameter [mm]

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