2014-2015 Полный каталог инструмента Mitsubishi (Митсубиси) EN

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       CBN & PCD TURNING INSERTS

      COATED CBN SERIES
      BC8020 / MBC010 / MBC020
CBN & PCD TURNING INSERTS
                                                                                                                                                     Cutting Speed (m/min)
       FEATURES                                                                                                                                                             400

      With the expansion of BC8020, Mitsubishi can offer 3 coated CBN                                                                                                               MBC010
      grades for machining of hardened steels. These 3 coated CBN
      grades cover a wide range of applications.                                                                                                                            300

      To achieve longer tool life, Mitsubishi uses a unique                                                                                                                 200
      "Particle-activated Sintering Method", combined with increased
      cutting edge strength. With high crater wear resistance CBN grades                                                                                                    100                                  BC8020
      and a wear resistant ceramic coatings, longer tool life and improved
      machine efficiency are obtained.                                                                                                                                           MBC020

                                                                                                                                                                                 Light  Continuous  Heavy Light   Interrupted         Heavy

                                                                                                                                                                                                    Cutting Mode

                             Grade                                         Grade Features and Application                                                                                                        Main          Coating
                                                                                                                                                                                                             Component          Layer
      BC8020                          High efficiency coated CBN                                                                                                                                                                TiAlN
                                      Increased cutting edge strength and high crater wear resistant CBN grade in                                                                                          CBN (Medium Grain)
                                      combination with a highly wear resistant TiAlN coating, results in longer tool life                                                                                         TiN
                                      and improved machining efficiency under heavy duty or interrupting cutting.
                                                                                                                                                                                                                 Al2O3

      MBC010                          Coated CBN for High Speed Continuous Cutting                                                                                                                         CBN (Micro Grain)   TiN
                                      MBC010 makes the best use of a special ceramic binder structure, actualizing                                                                                                TiN
                                      high wear resistance. High wear resistance enables continuous machining at
                                      high speeds of over 300m/min.                                                                                                                                              Al2O3

      MBC020                          Coated CBN for general cutting                                                                                                                                       CBN (Micro Grain)   TiAlN
                                      Uses a CBN substrate that has high cutting edge toughness. The TiAlN based                                                                                                  TiN
                                      coating delivers superb wear resistance. It covers a wide range of applications
                                      from continuous to light interrupted cutting.                                                                                                                              Al2O3

       CUTTING PERFORMANCE                                                                     y Interrupted Cutting
                                                                                                                           Impact frequency before fracturing
      y Continuous Cutting
                                  V-T Diagram (VB=0.1mm)

      Cutting Speed (m/min)  400 MBC010
                             300 MBC010

                                                              MBC020                           MBC020

                             200

                                                   BC8020                                      BC8020

                                                                                                           0                                                                            10000       20000        30000         40000

                             100              5	 10	                  20	  40	50	 100                                                                                                               Number of Impacts
                                  1	

                                                   Cutting Time (min)                                                                                                            

                                                                                                                                                             Workpiece : Alloy steel (60HRC)

                                      Workpiece : Alloy steel (60HRC)                                                                                                            External Interrupted Cutting 8 Groove

                                      External Continuous Cutting                                                                                                                Insert             : NP-CNGA120408GA

                                      Insert       : NP-CNGA120408GA                                                                                                             Cutting Speed : 150m/min

                                      Feed         : 0.1mm/rev                                                                                                                   Feed               : 0.2mm/rev

                                      Depth of Cut : 0.1mm                                                                                                                       Depth of Cut : 0.2mm

                                      Wet Cutting                                                                                                                                Dry Cutting

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