Kyocera - Инструмент для обработки мелких деталей 2016 ENG

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CUT-OFF TOOLHOLDERS (SMALL DIAMETER)

2) When using both Main and Sub spindles                                                                                                                 GRADES                     A
                                                                                                                                                                                     B
     I	n this case, when the cutting edge runs beyond the center line, the insert will                                                                   INSERTS                    C
     contact the workpiece, since the workpiece does not fall off.                                                                                                                   E
     Therefore the programmed distance beyond the center must be considered.                                                                                                         F
     e.g. When the cutting edge is programmed to run 1mm beyond the center.                                                                                                        G
     Workpiece maximum, D2 (Fig.4) = [Dmax - 1mm2] (mm)                                                                                                                           H
     (The clearance between the insert and the workpiece is 0.2mm)                                                                                                                  J
                                                                                                                                                                                     L
 T ough Edge Type T Chipbreaker                                                                                                                         CBN & PCD                  M
                                                                                                                                                                                     P
 F racture Resistance Comparison (Interrupted Machining)                                                                                                                           R
                                                                                                                                                                                     T
    Tough Edge Type     Competitor A                             Competitor B                                     Cutting Conditions                      TURNING
T Chipbreaker (PR1225)   700 Passes                              3,000 Passes                                     Vc=250 f=0.0020ipr (Cut-Off 0.0006ipr)
                                                                                                                  Wet W1-9 (with flat cuts on two sides)
       3,000 Passes                                                                                               TKF12R200-T-16DR (PR1225)

                        Fracture of Corner                         Fracture of Corner                                                                     BORING

                        1,000 Passes               2,000 Passes       3,000 Passes                                                                        GROOVING

 Tough Edge Type T                                                                                                Worpiece (with flat cuts on two sides)
Chipbreaker (PR1225)
                                         X
        Competitor A

Competitor B                                                                                        X                                                     CUT-OFF

Compared to Competitor A and B, Tough Edge "T Chipbreaker" achieves superior fracture                                                                     THREADING SOLID END MILLS
resistance during interrupted cutting

 H ow to Select Edge Preparation

 T roubleshooting

                                                   Lead Angle ()                             Countermeasures           Name of Chipbreaker
                                                                                         Edge Width               S T NB

                                                   No (0°)       Yes                     Narrower      Wider

Problems                Countermeasures                                                                                                                   MILLING

Insert Fracture        Insert Fracture Prevention  Effective                                           Effective             Effective  Effective         SPARE PARTS
                                                   Effective                                           Effective             Effective  Effective
  Long Cutting Time    Cutting Time Reduction      Effective                                                                                              TECHNICAL
                         Chip Entanglement                                               Effective                Effective
   Entangled Chips             Prevention                        Effective               Effective                Effective                               INDEX
                         Small Boss Remain                       Effective               Effective                Effective
 Large Boss Remain        Prevention of Ring                     Effective               Effective                Effective
      Ring Remain                Remain

 (Hollow Workpiece)    Preventing Deformation
Deformation of Hollow

   Workpiece (pipe)

                                                              kyocera@kyocera-tools.ru                                                                    H9
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