Sumitomo - Полный каталог инструмента - 2016 EN

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                                                           Chipbreaker
                                                                                                                      NEG Type / NEF Type
For Exotic Alloys and Stainless Steel Turning

Material Application Range              Exotic                                                                        200                                    Stainless
                                        Alloy                                                                                       AC610M                      Steel
    100
Cutting Speed (m/min)                                                                                                 150
                                                                                               Cutting Speed (m/min)AC520U
50         AC510U / EH510

                                        EH520                                                                         100                   AC6030M

                                                                                                                       50 AC630M                            AC6040M
                                                                                                                         Finishing
10                                                                                                                                                AC520U
Finishing
                                                        Roughing                                                                                             Roughing

NEF Chipbreaker for Finishing                                                                                                                                                      Inserts

The NEF chipbreaker reduces chip curl diameter in finishing applications.
Provides extremely good chip management not fluctuated by the material in use.

 Main chipbreaker that enables                                                                                                                      Cross Section of Chipbreaker
 good chip control even at low                                                                                                                                      1,2
 depths of cut.                                                                                                                                                          20°

 Sharp edge with 20° rake                                         The grooves on the rake face
 angle reduces wear.                                              reduce heat and assist chip flow
                                                                  away from the workpiece.
Cutting Performance – NEF Type
                                                           Work Material:                                             Conventional tool (S10)        Competitor‘s product (S10)
 Heat Resistant Alloy                                      Inconel 718
                                                                                                                      There is a problem in the length and the diameter of chips.
      Chipbreaker type: NEF (AC510U)                       Insert:
                                                           CNMG120408
      Improvements in chip control and chip removal
      management based on small curled chips.              Cutting Data:
                                                           vc = 55m/min
 Titanium Alloy                                            doc = 0,3mm
                                                           f = 0,15mm/rev
      Chipbreaker type: NEF (AC510U)                       Wet
                                                           Tc = 8min
      Improvements in chip control and chip removal
      management based on small curled chips.              Work Material:                                             Conventional tool (S10) Competitor‘s product (S10)
                                                           Ti-6Al-4V                                                  There is a problem in the length and the diameter of chips.
Application Example – NEF Type
                                                           Insert:
   Inconel 718, shaft component                            CNMG120408

                                                           Cutting Data:
                                                           vc = 80m/min
                                                           doc = 0,5mm
                                                           f = 0,2mm/rev
                                                           Wet
                                                           Tc = 25min

                                                                                                                      Duplex stainless steel cover

Great improvement in             NEF    Conventional tool                                                             Improvements in chip           NEF     Conventional tool
chip management. Keeps        (AC510U)                                                                                management. Suppress        (AC510U)
workpieces free of damage.                                                                                            damage to finished surface
It is possible to omit final                                                                                          with no entanglement of
polishing process.                                                                                                    chips.

Insert:    CNMG120408 NEF (AC510U)                                                                                    Insert:       CNMG120408 NEF (AC510U)

Cutting Data: vc=45m/min, doc=0,25mm, f=0,1mm/rev, Wet                                                                Cutting Data: vc=55m/min, doc=0,3mm, f=0,125mm/rev, Wet

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