Kyocera - Основной каталог 2011-2012 ENG

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                               Combination of Toolholders and Inserts (See Table.1)

                                                       Table1
                               Toolholder R-hand(R) Toolholder L-hand(L)

                                  Insert R-hand(R) Insert L-hand(L)

                               Advantages of TKFB type for Back Turning                             TKFB edge shape                                                                                         E

                               1. Minimal deection due to lower cutting                                Shallow wiper edge angle
                                  force
                                                                                                    External face of workpiece
                               2. Smooth chip control                                                              Side face of workpiece
                               3. Better surface nish owing to optimal                                                                                                                                     Small Tools

                                  wiper edge angle

                               Variation of Cutting Dia (Transfer of Cutting Edge)                  Comparison of surface nish

                                50                                                                                 TKFB type                      Competitor B

Variation of Cutting Dia (m)  40 Cutting Dia.                                   Competitor A
                               30
                                                                                                    Feed Rate
                               20
                               10 TKFB type                                                          (mm/rev)

                                                                                                     f=0.05

                               0                                                                                   Rz=3.3m                       Rz=11.2m                      10

                                                       0.05                 0.1  0.15
                                                              f (mm/rev)

Cutting Conditions: Vc=80m/min ap=1mm f=0.03~0.12mm/rev WET C45                                     Feed Rate

                                                                                                     (mm/rev)

                                                                                                     f=0.07

                                                                                                                   Rz=4.6m                       Rz=14.2m

                                                                                                    Cutting Conditions: Vc=80m/min ap=1mm WET(oil-base) C45

                               When using TKF-AS type

                               The KTKF holder can be used as a multi-functional
                               tooling for nonferrous and nonmetal materials when
                               combined with a TKF-AS insert (See Fig.1).

                                                                                               Fig.1 Example of the pass of KTKF toolholder + TKF-AS insert

                                            Insert                               Description   W    Reference
                                                                                                      Page
                                  Handed Insert shows R-hand.                                                  The cutting edge of the TKF..-AS will be
                                                                                 TKF12$ 200-AS 2.0             1 mm lower than the center line when
                                                          rd                                                   attached to the KTKF toolholder (See
                                                       ±0.03        HT           250-AS 2.5                    Fig.2). Adjust the height by making NC lathe
                                                                 r                                             parameter settings or inserting a plate.
                                                         W

                                                                                                    C25

                                                       B                       TKF16$ 250-AS 2.5
                                                              Recommended Cutting Conditions E39
                               Longitudinal turning /                                                                                      Dmax                KTKF Toolholder
                                      Grooving

                                                                                                               h1                                                                H1

                                                                                                                                           Fig.2 When a TKF-AS insert is attached
                                                                                                                                                    (The cutting edge is 1 mm lower than the center line.)

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