Kyocera - Основной каталог 2011-2012 ENG

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Guide for Cut-Off

   Tool Selection                                                                     For Small Dia. Cut-Off KGD CERACUT / Plunge & Turn CERACUT Cut-Off

         1. Insert                                                                    TKF...S      GDM                 GMM        TKN
                1-edge Insert … For Larger Dia. Workpiece (Max.120)                  TKF...NB    GDMS
                2-edge Insert … For Smaller Dia. Workpiece                            TKFS...S                          GMM-         TK
                                         Cost per corner is reduced                              GDM-R-6D
                                                                                      TKF...DR  GDMS-R-6D              Fig.2  Fig.1
Insert 2. Use a neutral angle insert if there is no limit to the finished shape.                Fig.2
                                                                                      TKF...DR                          GMM-
         3. Use angled insert to reduce the size of the remaining boss.
                                                                                                                       Fig.2
         4. Use sharp-cornered lead-angled Insert to make the remaining boss much
            smaller when machining small parts and thin parts.

         5. Use the minimum width insert suitable for the machining operation.
         1. Use a suitable toolholder (blade) for the workpiece dia.
Toolholder 2. Use a more rigid toolholder (blade).
         3. Use a back clamp toolholder if there is no space for clamping tools

            from top side (Automatic Lathe).

   How to Set Up (TKN / TK )                                                                                                      Fig.3                                  H
                                                                                                                                  Fig.4
1. Tap the insert lightly with a plastic hammer to push it in to the extent that it
   can not be removed by hand.                                                        Fig.5 Fig.5              Fig.5 Fig.5

2. Remove the insert by using the supplied wrench.                                                                                                                           Cut-off

   Caution

1. Set the cutting edge height 0.1-0.2mm above the center height.
2. Always apply sufficient coolant to the cutting edge.
3. Constant spindle revolution is recommended to obtain stable tool life.
4. Cut-off as close to the chuck as possible
5. Decrease the feed rate from 1/2 to 1/3 at the near center to prevent chipping.
Overuse of insert and toolholder (blade) may cause insert breakage and

 toolholder (blade) damage.

Do not rework the insert and toolholder (blade) to prevent damage.

Clean the insert pocket well with compressed air when replacing insert.

                                                                                                                       : Applicable : Not Applicable

TKN      TKR       TKL
         (R-hand)  (L-hand)

                                                

Angled () insert can reduce the burr size when                          Bigger Boss
cutting off.
When using a larger lead angle (), cutting
resistance becomes smaller, but the feed rate
should be reduced.

                                                                                      Plastic Hammer                     Insert's back end does not contact the toolholder.
                                                                                                                                           Fig.3
     TKR           TKN
                                                                                                                                        Wrench
     Example: Solid Workpiece
                                                                                                                                           Fig.4
                                                    Sharp Corner         Lead Angled                                   Workpiece

     TKR           TKN                                            Fig.2

                                                                                                Cutting
                                                                                                   Edge Height

     Example: Hollow Workpiece (Pipe)                                                                           Fig.5
                        Fig.1

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