Kyocera - Каталог Сверление 2013 ENG

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 Three chipbreakers for a variety of materials

 GM Chipbreaker…General Cutting     For Steel: PR1230 For Cast Iron: PR1210

                                      Wider chipbreaker can cover a                For general cutting
                                          variety of materials
                                                                       Optimized cutting edge strength,
                                                                          sharpness and chip control                                        Magic Drill DRX

 Achieves good balance of cutting
    edge strength and sharp cutting

 GH Chipbreaker…Tough Edge          For hard materials, interrupted machining: PR1230                                                      Drilling

                                     1st recommended chipbreaker       • Chipping resistance comparison
                                     for hard materials & interrupted
                                                                                                Vc=260 sfm, f=0.003 ipr, H=0.39",
                                                  operations                                    Dc=0.79", 3D type, WET, C50 (S50C)

                                        Cutting edge strength                                              Competitor G
                                          oriented design of
                                               chipbreaker             Interrupted drilling by displacing  Competitor H
                                                                            center of hole by 8mm           Conventional
                                      Wider chipbreaker control
                                          breakage by pressed chips                                                  tool

 Cutting edge strength                                                                                                   Number of holes
     oriented design

                                                                            Better chipping resistance than
                                                                                         competitors

 SM Chipbreaker…Sharp Cutting for Deeper Drilling For Stainless Steel, Low Carbon Steel: PR1225

                                     For deep drilling of difficult to control chips materials such as
                                                     stainless steel and low carbon steel

 Sharp cutting by large                                            Sharp cutting by large rake angle
    rake angle                                       Stable chip control by newly designed chipbreaker and

                                                                           U-shaped cutting edge

                                      U-shaped cutting edge breaks chips by growing
                                         cracks from both ends

                                      Outstanding chip control achieved by
                                       splitting chips from the outer edges

                                     Chip breaking system of SM chipbreaker (Outer edge)                                                    24

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