GUHRING - Каталог Сверла - вся линейка инструмента - 2013 EN

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Cutting group
                                                                                                                                                                                                                            Twist Drills
                                                   Drill/Chamfer Inserts

                                                                                                                                        HOLLFELDER

                                                                                                                                        CUTTING TOOLS

The cutting data recommendations in the table are guide values
and depend to a high degree on the stability of the machine, xture and workpiece.

       Material group     Composition / Structure                        Tensile   Hardness  Cutting speed  Recommended     Feed rate fz mm/z
                                                                         strength                            cutting grade
                                                                                               vc m/min
 1.1                      C = 0,1 -0,25 annealed, long cut                RM       HB                             G16       W 2006-….   W 3006-….
 1.2                                                                     (MPa)     HRC          100-160                      0.05-0.15   0.07-0.15
 2.1                                                                                            110-160           G16
 2.2                      C = 0,1 -0,25 annealed, short chip              420      125          90-150         K10/G12
  3                                                                       420      125          100-160
  4    Unalloyed steel    C = 0,25 -0,55 annealed, long cut               620      190          90-150         K10/PKD
  5    Cast steel                                                         640      190          80-140         K10/G12
  6    Machining steel    C = 0,25 -0,55 annealed, short chip             850      250          75-125         K10/PKD
                                                                          915      270          90-140
  7    Low-alloy steel    C = 0,25 -0,55          tempered               1020      300                            G16
       Cast steel                                                         610      180          60-110            K10
  8    Machining steel    C = 0,25 -0,8            annealed
  9                                                                                275          60-110
       High-alloy steel   C = 0,25 -0,8           tempered                                      60-100
 10    Cast steel                                                                  300
       High-alloy                                         annealed                 350          60-110
 11    tool steel
       Stainless steel                                    tempered 930             250
12-13  and cast steel
       Stainless steel                                    tempered       1020
14.1                                                      tempered       1190
14.2   Grey cast iron
 15    Cast iron with                                     annealed 680
 16    nodular cast iron
 17    Malleable                             hardened and tempered 1100            325        50-60
 18    Aluminium
 19    forging alloys     ferritic/martensitic annealed                  680       200        50-90
 20    Aluminium                                                         810       240        40-80
 21    casting alloys     martensitic                                    610       180        40-80
 22                                                                      880       260        40-80
 23    Copper             austenitisch            quenched                         180       110-160
 24    Copper alloys                                                     400       260       100-150
 25    (bronze, brass)    austenitic/ferritisch (duplex)                 1050      160       80-130
 26    Non metallic                                                                250       70-120
 27    materials          perlitic/ferritic                                        130       90-150
 28                                                                                230       80-140
 29    Heat treatable     perlitic (martensitic)                                   60         -1000
 30    alloys                                                                      100         -800
 31                       ferritic                                                 75         -1000
 32    Titanium alloys                                                             90          -800
 33                       perlitic                                                 130         -600
 34                                                                                110       70-120
 35                       ferritisch                                               90        70-120
 36                                                                                100       70-120
 37                       perlitic                                                             -200
                                                                                   200         -200
                                                  not heat treatable               230        30-50
                                                                                   250        30-50
                                             aushrtbar/ausgehrtet                350        20-40
                                                                                   320        20-40
                          <12% Si            not heat treatable                               20-40
                                                                                              20-40
                          <12% Si heat treatable/heat treated                                 20-40

                          >12% Si            not heat treatable

                          Machined alloys, Pb >1%

                          CuZn, CuSnZn

                          Cu, lead free Copper/electrolyte copper

                          Duroplastic

                          Reinforced materials

                          Fe-based                 annealed

                                                          heat treated

                          Ni- or Co-based          annealed

                                                          heat treated

                                                                   cast

                          Pure titanium

                          Alpha-beta alloys

                                                                                                                                                       323

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