Kyocera - Инструмент для обработки мелких деталей 2016 ENG

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                              BASIC FORMULAS (Metric)

                               T urning

   GRADES                      C utting Speed

A                             Vc=     x Dm x       n             Vc : Cutting Speed [m/min]
                                        1000                      Dm : Workpiece Diameter [mm]
                                                                  n : Spindle Revolution [min-1]
B  INSERTS

   CBN & PCD                   P ower Requirement

C                             Pc=   Ks  x Vc x ap      x  f       Pc : Power Requirement [kW]                                          Ks Figure
                                        6120 x 
                                                                  PHP : Power Requirement (Horse Power) [HP]              Low Carbon Steel                           190
                                                                                                                          Medium Carbon Steel                        210
E  TURNING                    PHP=  Ks  x Vc x ap      x  f       Vc : Cutting Speed [m/min]                              High Carbon Steel                          240
                                        4500 x                   ap : Depth Of Cut [mm]                                  Low Alloy Steel                            190
                                                                                                                          High Alloy Steel                           245
                                                               f : Feed Rate [mm/rev]BORING                               Cast Iron                                  93
                                                                                                                          Malleable Cast Iron                        120
F Ks : Specific Cutting Resistance [kgf/mm-2]                                                                             Bronze, Brass                              70

                                                                   : Mechanical Efficiency (0.7 ~ 0.8)

G  GROOVING
             S urface Roughness

                              Rz=h=        f2       x  1000       Rz=h : Theoretical Surface Roughness [m]
                                           x R(r)
   CUT-OFF                             8
H f : Feed Rate [mm/rev]

                                                                  R(r) : Corner Radius of Insert [mm]

J  SOLID END MILLS THREADING
            C hip Removal Volume

                              Q= Vc x ap x f                      Q : Chip Removal Volume [cm3/min]

L Vc : Cutting Speed [m/min]

                                                               ap : Depth Of Cut [mm]

                                                                 f : Feed Rate [mm/rev]MILLING

M

                               E dge Position Compensation
 P
   SPARE PARTS                	 X= (R-R) x        cos(    +(     -  90°))  -1
                                                          2  sin
                                                                  
                                                                  2

                               	 Z= (R-R) x     sin(  
                                                          2  + (  - 90°))     -1
                                                             sin  
   TECHNICAL                                                      2
R

                 X : X-axis Direction Edge Position                                     Toolholder Type Insert Corner Angle  Cutting Edge Angle   X                   Z
                         Compensation [mm]
   INDEX                                                                                      PCLN            80°         95°                        0.100 x (R-R)  0.100 x (R-R)
T Z : Z-axis Direction Edge Position
                                                                                              PTGN            60°         91°                        0.714 x (R-R)  0.030 x (R-R)
                         Compensation [mm]
                 R : Corner-R before Change [mm]                                              PDJN            55°         93°                        0.866 x (R-R)  0.099 x (R-R)
                 R : Corner-R before Change [mm]
                  : Insert Corner Angle [°]                                                  PDHN            55°         107.5°                     0.531 x (R-R)  0.531 x (R-R)
                  : Toolholder’s Cutting Edge Angle [°]
                                                                                              PVLN            35°         95°                        2.072 x (R-R)  0.273 x (R-R)

                                                                                              PVPN            35°         117.5°                     1.351 x (R-R)  1.351 x (R-R)

                                                                                              PSBN            90°         75°                        0.225 x (R-R)  -0.293 x (R-R)

                                                                                   Example: Compensation when changing corner-R from 0.80 to 0.40, using PCLN type holder,

                                                                                                              X= 0.100 x (0.80 - 0.40) = 0.04 (mm)
                                                                                                              Z= 0.100 x (0.80 - 0.40) = 0.04 (mm)

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