Kyocera - Основной каталог 2010-2011 ENG

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     Basic Formulas

     Turning                 Vc : Cutting Speed [m/min]
                             Dm : Workpiece Diameter [mm]
     Cutting Speed           n : Spindle Revolution [min-1]

                Dm n
      Vc 

                   1000
Technical
   InformationPower RequirementPc : Power Requirement [kW]                                                                      Ks Figure  190
                             PHP : Power Requirement (Horse Power) [HP]                                             Low Carbon Steel       210
                                                                                                                   KsVcapfVc : Cutting Speed [m/min]Medium Carbon Steel240
      Pc  6120            ap : Depth Of Cut [mm]                                                                 High Carbon Steel      190
                             f : Feed Rate [mm/rev]                                                                 Low Alloy Steel        245
                KsVc apf  KS : Specific Cutting Resistance [kgf/mm2]                                             High Alloy Steel
      PHP 4500             : Mechanical Efficiency (0.7 ~ 0.8)                                                  Cast Iron               93
                                                                                                                    Malleable Cast Iron    120
                                                                                                                    Bronze, Brass
                                                                                                                                            70

     Surface Roughness       Rz=h : Theoretical Surface Roughness [m]
                             f : Feed Rate [mm/rev]
                       f2    R(r) : Corner Radius of Insert [mm]
      Rzh 8 R(r)  1000

     Chip Removal Volume     Q : Chip Removal Volume [cm3/min]
                             Vc : Cutting Speed [m/min]
      QVc ap f            ap : Depth Of Cut [mm]
                             f : Feed Rate [mm/rev]

R Edge position Compensation

   { {XRR cos(2sin 290°)1
   { {ZRR sin(2sin 290°)1

     X: X-axis Direction Edge Position        Toolholder Type  Insert Corner Angle  Cutting Edge Angle                    X           Z
            Compensation [mm]                      PCLN                 80° 95°                                       0.100 R-R  0.100 R-R
                                                   PTGN                 60° 91°                                       0.714 R-R  0.030 R-R
     Z : Z-axis Direction Edge Position            PDJN                55° 93°                                       0.866 R-R  0.099 R-R
            Compensation [mm]                      PDHN                 55° 107.5°                                    0.531 R-R  0.531 R-R
                                                    PVLN                35° 95°                                       2.072 R-R  0.273 R-R
     R : Corner-R before Change [mm]               PVPN                 35° 117.5°                                    1.351 R-R  1.351 R-R
     R : Corner-R after Change [mm]                PSBN                 90° 75°                                       0.225 R-R  -0.293 R-R
      : Insert Corner Angle [° ]
      : Toolholder’s Cutting Edge Angle [° ]  Example: Compensation when changing corner-R from 0.8 to 0.4, using PCLN type toolholder,
                                               X0.1000.8-0.40.04mm
                                               Z0.1000.8-0.40.04mm

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