Kyocera - Основной каталог 2011-2012 ENG

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     MagicDrill® DRX

     Covers a variety of workpiece materials with new chipbreaker

     New chipbreaker features                                                                                                                   Flat chipbreaker (inner edge)

           Wider chipbreaker (outer edge)

     small chips for better evacuation                                                                                                          ideal continuous chips

     Sigmoid cutting edge (outer edge)     Vc=120m/min, f=0.1mm/rev., H=15mm, 20-3D, WET, C55 (S55C)

                                           800 DRX                                                                                        800 Competitor G                            Lowered
                                                                                                                                                                                impact force at the
                                           600                                                                                            600
                                           400                                                                                            400                                            start
                                           200                                                                                            200
Drilling
                                                                     Horizontal force (N)
                                                                                                                    Horizontal force (N)
K 0 2.35 2.40 2.45 2.50 2.55 2.60 2.65                                                                                                    0 2.20 2.25 2.30 2.35 2.40 2.45 2.50

                                           -200                                                                                           -200

     sigmoid outer cutting edge            -400                                                                                           -400                                  Reduces

                                           -600                                                                                           -600                                  sudden breakage

     sharp cutting                         -800                                                                                           -800

                                           Cutting force comparison of outer edge at the start of drilling

     Chipbreaker selection                                                                                                                                       M                    K
                                                                                                                                                            (Stainless          (Cast Iron)
                                                        P
                                      (Carbon Steel, Alloy Steel)                                                                                              Steel)

     Low Carbon Steel                      Midium~High Carbon Steel

                                                    non heat         heat treated
                                                     treated       (Hard Materials)

                                                 no interruption       with
                                                                   interruption

                       low~medium                medium~high
                         feed rate                  feed rate

        SM                         SM               GM               GH                                                                                        SM                 GM
     PR1225                      PR1225          PR1230            PR1230                                                                                   PR1225              PR1210

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