Page 81 - HOLE MAKING CATALOG p001-148
P. 81

Regrinding Instructions                                                                                                                                 USER GUIDE                         INDEXABLE DRILLS
      Regrinding Instructions for ICM Geometry
                                                                                                        Regrinding Instructions for ICK Geometry
       After each grinding operation, rotate the drill                                                  After each grinding operation, rotate the drill
       180° and repeat the grinding procedure.                                                          180° and repeat the grinding procedure.
        1 Primary Clearance                                                                              1 Primary Clearance

        2 Secondary Clearance                                                                            2 Secondary Clearance

                                                         DAT                                                                                        DAT
                                                                                           20°                                                                                        20°

                                                                                       20°                                                                                         20°

        3 Chisel                                                                                         3 Chisel

4 Edge Preparation

                                                                                                A-A
                                                                                 20°

                                                                                                t±0.02  4 Edge Preparation
                                                                                                T-Land

                                                                                 T     D Range                              A-A
                                                                                 0.05   8-11.99                             R=0.03-0.05 mm
                                                                                 0.07  12-15.99
                                                                                 0.08  16-19.99
                                                                                 0.1   20-25.99
                                                                                 0.12  26-32.99

Regrinding Instructions for ICP Geometry

After each grinding operation, rotate the drill
180° and repeat the grinding procedure.

1 Primary Clearance

2 Secondary Clearance

                                         DAT

                                                                            20°
                                                                        20°

3 Chisel

4 Edge Preparation

                                                                                       A-A
                                                                                       R=0.03-0.05 mm

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