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USER GUIDE




          Machining Data for Indexable Insert Threading Tools

                                                                                             Indexable Cutting
                                                              Tensile Strength  Hardness  Material   Speed for IC908
                ISO       Material             Condition        [N/mm ]       HB      No.        m/min
                                                                     2
                              < 0.25 %C         Annealed          420        125       1         100-200
                 Non-alloy steel   ≥ 0.25 %C    Annealed          650        190       2         95-190               THREAD MILLING TOOLS
                 and cast steel,   < 0.55 %C  Quenched and tempered  850     250       3         90-180
                 free cutting steel  ≥ 0.55 %C  Annealed          750        220       4         90-170
                                          Quenched and tempered   1000       300       5         80-150
                                                Annealed          600        200       6         120-170
               P Low alloy and cast steel  (less                  930        275       7         115-160
                 than 5% of alloying elements)  Quenched and tempered  1000  300       8         105-150
                                                                  1200       350       9         90-140
                 High alloyed steel, cast       Annealed          680        200      10         90-170
                 steel and tool steel     Quenched and tempered   1100       325      11         75-145
                                             Ferritic/martensitic  680       200      12         110-170
                 Stainless steel and cast steel
                                               Martensitic        820        240      13         100-160
              M Stainless steel               Austenitic, duplex   600       180      14         90-145
                                               Ferritic/pearlitic            160      17         65-135
                 Grey cast iron (GG)
                                             Pearlitic /martensitic          250      18         65-110
                                          Ferritic                           180      15         65-135
               K Cast iron nodular (GGG)
                                                Pearlitic                    260      16         60-100
                                                 Ferritic                    130      19         65-135
                 Malleable cast iron
                                                Pearlitic                    230      20         60-120
                                              Not hardenable                  60      21         110-260
                 Aluminum- wrought alloy
                                                Hardenable                   100      22         110-200
                              =<12% Si        Not hardenable                  75      23         145-350
                 Aluminum-                      Hardenable                    90      24         145-275
                 cast, alloyed
               N              >12% Si        High temperature                130      25         95-225
                              >1% Pb           Free cutting                  110      26         145-350
                 Copper alloys                   Brass                        90      27         145-350
                                             Electrolytic copper             100      28         145-350
                                          Duroplastics, fiber plastics                29         90-370
                 Non-metallic
                                               Hard rubber                            30         80-330
                                                Annealed                     200      31          20-60
                              Fe based
                 High temperature               Hardened                     280      32          20-50
                 alloys                         Annealed                     250      33          20-30
               S              Ni or Co based    Hardened                     350      34          10-20
                                                 Cast                        320      35          15-25
                                                                  400                 36          30-90
                 Titanium  alloys
                                         Alpha+beta alloys, hardened   1050           37          20-70
                                               Hardened                     55 HRC    38          25-60
                 Hardened steel
               H                               Hardened                     60 HRC    39          20-40
                 Chilled cast iron               Cast                        400      40          25-60
                 Cast iron                     Hardened                     55 HRC    41          20-50
              Calculating RPM:
              Metric Example: V=120 m/min, D=30 mm                           n











              n =   Vc x 1000       120 x 1000  = 1274 RPM
                                =

                     πxD


                                 3.14x30
                                                                           Vc             D
              Inch Example: V= 410 SFM, D=1.5 inch
              n =   Vc x 12      =   410 x 12   = 1045 RPM



                      πxD            3.14x1.5

                                                                 Feed:             0.05-0.15 mm/tooth
                                                                                  0.002-0.006 inch/tooth
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