2014-2015 Полный каталог инструмента Mitsubishi (Митсубиси) EN

CARBIDE                                                                       для заказа - info@mitsubishitools.ru

          DRILLING (SOLID CARBIDE)

          MNS

          y OPERATIONAL GUIDANCE FOR THE MNS DRILL (L/D 3, 5, 8)

          Drill holding                      Drill length                                           Drill installation              Installation tolerance

          Adjusting screw
                                                                                                 A

          Thrust bearing type collet chuck    D1                                                   Do not clamp on the flutes.        Runout < 0.03mm
          holds the drill securely.
                                             A : > D1 x 1.5                                            Thin workpieces              Interrupted cutting

          Coolant method (MNS)               Coolant handling                                                           If bending               One process
                                                                                                                           occurs
          Through spindle Revolving coolant              < MNS type >                                                                               zLower the feed
          coolant type  machine type                                                                                   Support the                     when drilling the
                                             1) Dirt and dust particles in old                                          workpiece                      interrupted part.
                                                coolant can clog the oil hole
                                                and prevent effective flow.                                                                      Requires prior
                                                Regular coolant exchange is                                                                      machining
                                                recommended.
                                                                                                                                                    zSpot face with an
                                             2) Small particles of swarf will                                                                          end mill prior to
                                                jam in the oil hole. Use a filter                                                                      drilling.
                                                as a preventative measure.
                                                When using small diameter
                                                drills, use a fine mesh filter.

          Coolant pressure is approx.        Burring and workpiece chipping
          0.5  7MPa.

                 Stepped holes

DRILLING

          zDivide the machining into two    zLower the feed rate when
            processes.                         breaking through.

          xDrill the larger hole first.      xAdd a chamfer.
                                             cChange the point angle.
          *Tools for chamfering and spot
             facing can be produced to
             order.

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