Kyocera - Основной каталог 2011-2012 ENG

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MagicDrill® DRC

 Applicable workpiece                                                                                                                                                Not Recommended workpieces

                    Shape of                           Caution for machining                                                                                         Application   Shape of
Application Workpiece                                                                                                                                                             Workpiece

 Plain                             1. Due to good chip control, step machining is not necessary                                                                       Slant
Surface                               for Soft Steel like SS400.                                                                                                     Surface

                                   2. When machining SUS304, for hole depths of more than 2.5D,
                                      utilize the step machining process.

                                   3. In order to have smooth chip removal, we recommend
                                      internal coolant.

Stacked                            1. Fix stacked plates securely to ensure they do not slip while                                                                       Half
 Plates                               machining.                                                                                                                     Cylindrical

                                                                          Original hole  Next hole

   Hole                            1. If the overlap amount is less than                                                                                             Cored
Expansion                             1/3 x D, machining is possible.                                                                                                 Hole

 Concave                                                                                                                                       D Less than 1/3 x D
 Surface
                                   1. When machining concave holes set the feed rates at half or
                                      less than continuous hole machining.

  Pipe                             1. Hole machining above the centerline of
Material                              the pipe is possible.

                                   2. Do not machine on curved surface areas.

                                                                                                                                  Center portion Curved Surface
                                                                                                                                    Machining portion Machining

Comparison of Cutting Precision

K Cutting Condition and Measurement Point                                                                 Inlet
                                                                                                    Outlet side
                                 

 Workpiece Material                       C45 (S45C)
      Vc (m/min)                               100
       f (mm/rev)
                                   0.2mm/rev, 0.3mm/rev
Drilling depth H (mm)              Through hole (40mm)
         Coolant                   Wet (Internal coolant)
           Tool
        Machine                         14  3D type
                                               M/C
Drilling

                                                                                                                                                                4
                                                                                                                                                                                 40
                                                                                                                                                                              Measurement point

Roundness

1) Roundness (f=0.2mm/rev)

           Indexable drill                                                                          Carbide solid drill
                                                                                                      Competitor C
Kyocera                            Competitor F            Competitor B                                                                                                           Competitor N

Roundness: 5.5 m                  Roundness: 22.5m   Roundness: 6.4m                             Roundness: 9.8m                                                              Roundness: 5.2m
                                                          Competitor B                                                                                                               Competitor N
2) Roundness (f=0.3mm/rev)                                                                           Carbide solid drill
                                                                                                       Competitor C
           Indexable drill

Kyocera                            Competitor F

                Roundness: 10.7m  Roundness: 15.2m   Roundness: 12.0m                            Roundness: 11.8m                                                             Roundness: 12.3m

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