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Lathe tools \ Technical introduction–turning - ISO turning

                     Cemented carbide grades ISO P
                      Latest ISO P type for high-performance machining of steel for demanding serial users

         Advantages:
         ƒ Innovative cemented carbide substrate
         ƒ Nano-structured aluminium oxide
         ƒ Newly developed adhesive connection technology
         ƒ Extremely thick CVD coating
         ƒ Micro-finishing
         ƒ Polished contact surfaces
                                             range of applications
           application  coating
                                 01  05  10  15  20  25  30  35  40  45
                                            ACP15T
             ISO         CVD
              P                                    ACP25T

                                                          ACP35T
                                     ACP15T                     ACP25T                      ACP35T
          Application            The productive one!         The universal one!          The robust one!
                            High-performance variety for machining in   High-performance variety for machining in   High-performance variety for machining in
                           steel and (cast iron) with very high hardness   steel and (cast iron) with medium hardness   steel with high toughness and wear resist-
                           and wear resistance for use in very good to   and wear resistance for use in moderate   ance for use in unfavourable conditions.
                                 moderate conditions.           conditions.
          Application                 ˜š                         ˜š                          ˜
          Substrate                 P15 M10 K25                P25 M20 K30                 P35 M30
          Grain size                 1–2 µm                      1–2 µm                     1–2 µm
          Type of coating         CVD, TiCN + Al2O3           CVD, TiCN + Al2O3         CVD, TiCN + Al2O3
          Coating thickness          18.5 µm                     15 µm                      15 µm
          Operating conditions     very good–good             good–moderate            moderate-unfavourable
          cutting speed
          Hardness
          Toughness

         The following chip breakers are available
                                                                Negative
                           MP5 – medium chip breaker with universal infeed area!  RP2 – rough chip breaker with soft cut!
          Insert           Universal chip breaker with good balance between cutting perfor- Very robust chip breaker with high cutting edge stability
                           mance and stability
          Advantages       ƒ Very wide infeed range                ƒ Very good resistance to ridge cracking and temperature
                           ƒ Very good resistance to ridge cracking and temperature   influences
                            influences                             ƒ High feed types with controlled chip breaking
                           ƒ Very good chip control                ƒ Very large contact surfaces for stability
                           ƒ Very large contact surfaces for stability
          Stability
          Cutting forces
          Surface quality
                                              P                                        P
                                 16                                       16
                                a  ( mm )  p  6,3 10  MP5                a  ( mm )  p  6,3 10  RP2
                                 4     MP5                                4      RP2
                                 2,5                                      2,5
                                 1,6                                      1,6
                                 1                                        1
                                 0,63                                    0,63
                                 0,4                                      0,4
                                                       0,15                                     0,28
                                 0,25                                    0,25
                                                 19°                                      15°  0°
                                 0,16                                     0,16
                                                  10°
                                 0,1                                      0,1
                                  0,025 0,04  0,063 0,1 0,16 0,25 0,4 0,63  1  1,6 2,5  0,025 0,04  0,063 0,1 0,16 0,25 0,4 0,63  1  1,6 2,5
                                              f ( mm )                                 f ( mm )
         Test results                                        Comparison of service life
         Workpiece:      Flange
         Material:       34CrNiMo4                          Competition P25
         Geometry:       CNMG                               after 13 minutes operating time
                         120404-MP5
         Cemented carbide grade: ACP25T
         Cutting data:   180 m/min                                                            25%
         Feed:           0.3 mm/U                           ACP25T
                                                            after 13 minutes operating time







              Source: Hahn+Kolb Werkzeuge GmbH
              Technical data subject to change.                                           www.iconridge.com  473
              Availability subject to country specific rules and regulations.
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