2014-2015 Полный каталог инструмента Mitsubishi (Митсубиси) EN

CARBIDE                                                                       для заказа - info@mitsubishitools.ru

          DRILLING (SOLID CARBIDE)

          MPS,MSL

            HOW TO USE LONG TYPE DRILLS                                                      y 2. Initial cutting with the long type drill

          a	Drilling a blind hole

          y 1. Drilling a pilot hole

              z	U se a drill with a larger (flatter) point angle than the super long type.      z	Penetrate the pilot hole at low revolution. (Cutting speed
                 Mitsubishi type MPS is recommended.                                                20  30m/min, feed rate 0.2  0.3mm/rev)

              x	Ensure a high precision hole is drilled for the guide.                          x	Stop the long type drill 1  3mm short of the pilot hole bottom.
              c	Drill depth : Approx 1D or deeper.
              	(Adjust the pilot hole depth according to the length of the super long       y 4. Drill retraction

                 type.)

          y 3. Drill the deep hole

              z	Start cutting at the recommended speed and feed with a non-peck                 z	After drilling, lower the cutting revolution about 1  2mm short of the hole
                 (continuous feed) cycle.                                                           end. (Cutting speed of around 20  30m/min)

          a	Drilling and breaking through on irregular faces or angles                           x	Retract the drill to the pilot hole depth starting point at a feed rate of
                                                                                                    3000mm/min.
          y 1. Spot facing
                                                                                                 c	Finally, clear the hole at a cutting speed of 20  30m/min and feed rate
                                                                                                    of 0.2  0.3mm/rev.

                                                                                             y 2. Drilling a pilot hole

          z	Machine a flat on the irregular face by using an end mill or slot drill         z	U se a drill with a larger (flatter) point angle than the super long type.
            capable of spot facing. Make the spot face diameter the same size as
            the required deep hole diameter.                                                   Mitsubishi type MPS is recommended.
                                                                                             x	Ensure a high precision hole is drilled for the guide.
                                                                                             c	Drill depth : Approx 1D or deeper.
                                                                                             	(Adjust the pilot hole depth according to the length of the super long

                                                                                               type.)

DRILLING  y 3. Initial cutting with the long type drill                                      y 4. Drill the deep hole

              z	Penetrate the pilot hole at a low revolution. (Cutting speed                    z	Start cutting at the recommended speed and feed with a non-peck
                 20  30m/min, feed rate 0.2  0.3mm/rev)                                           (continuous feed) cycle.

              x	Stop the long type drill 1  3mm short of the pilot hole bottom.            y 6. Drill retraction

          y 5. Breaking through

          z	When breaking through, the cutting edge can be damaged.                         z	Retract the drill to the pilot hole depth starting point at a feed rate of
          x	A feed rate of 0.05  0.1mm/rev is recommended.
                                                                                               3000mm/min.
                                                                                             x	Finally clear the hole at a cutting speed of 20  30m/min and feed rate of

                                                                                               0.2  0.3mm/rev.

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