Page 160 - Carbide drills I Thread cutting tools 2023
P. 160

f z
                                                                             n
                                                                  v c
                                                                                       v f
                                                 D 1
                                                                                  v fc
          Application      Material       NPT    [mm]  P(TPI)  z  [m/min]  [mm]  [min ] -1  [mm/min] [mm/min]
                        Steel          1/16       5.90  27.0  3    90  0.0240  4855  98  350
                        < 850 N/mm²    1/8        7.30  27.0  3    90  0.0360  3925  133  424
                                       1/4        9.95  18.0  4    90  0.0440  2880  150  507
                                       3/8       12.50  18.0  4    90  0.0480  2290  127  440
                                       ≥1/2      14.50  14.0  5    90  0.0520  1975  174  514
                                       ≥1        18.50  11.5  5    90  0.0560  1550  199  434
                        Steel          1/16       5.90  27.0  3    80  0.0240  4315  87  311
                        850 - 1100 N/mm²  1/8     7.30  27.0  3    80  0.0360  3490  118  377
                                       1/4        9.95  18.0  4    80  0.0440  2560  134  451
                                       3/8       12.50  18.0  4    80  0.0480  2035  113  391
                                       ≥1/2      14.50  14.0  5    80  0.0520  1755  154  456
                                       ≥1        18.50  11.5  5    80  0.0560  1375  177  385
                        Steel          1/16       5.90  27.0  3    60  0.0240  3235  65  233
                        1100 - 1300 N/mm²  1/8    7.30  27.0  3    60  0.0280  2615  69  220
                                       1/4        9.95  18.0  4    60  0.0400  1920  91  307
                                       3/8       12.50  18.0  4    60  0.0480  1530  85  294
                                       ≥1/2      14.50  14.0  5    60  0.0520  1315  116  342
                                       ≥1        18.50  11.5  5    60  0.0560  1030  132  288


                        Steel          1/16       5.90  27.0  3    45  0.0240  2430  49  175
                        1300 - 1500 N/mm²  1/8    7.30  27.0  3    45  0.0280  1960  51  165
                                       1/4        9.95  18.0  4    45  0.0400  1440  68  230
                                       3/8       12.50  18.0  4    45  0.0480  1145  63  220
                                       ≥1/2      14.50  14.0  5    45  0.0520  990  87  257
                                       ≥1        18.50  11.5  5    45  0.0560  775  100  217

                        Wrought aluminium alloys   1/16  5.90  27.0  3  150  0.0360  8095  244  874
                        Si < 6%        1/8        7.30  27.0  3   150  0.0440  6540  270  863
                        hardened       1/4        9.95  18.0  4   150  0.0520  4800  296  998
                                       3/8       12.50  18.0  4   150  0.0640  3820  282  978
                                       ≥1/2      14.50  14.0  5   150  0.0680  3295  379  1120
                                       ≥1        18.50  11.5  5   150  0.0800  2580  473  1032


                        Cast iron      1/16       5.90  27.0  3   120  0.0280  6475  152  544
                        (lamellar / spheroidal)  1/8  7.30  27.0  3  120  0.0360  5230  177  565
                                       1/4        9.95  18.0  4   120  0.0480  3840  218  737
                                       3/8       12.50  18.0  4   120  0.0560  3055  197  684
                                       ≥1/2      14.50  14.0  5   120  0.0640  2635  285  843
                                       ≥1        18.50  11.5  5   120  0.0800  2065  379  826

                        Unalloyed copper  1/16    5.90  27.0  3   130  0.0280  7015  165  589
                                       1/8        7.30  27.0  3   130  0.0360  5670  191  612
                                       1/4        9.95  18.0  4   130  0.0480  4160  237  799
                                       3/8       12.50  18.0  4   130  0.0560  3310  214  741
                                       ≥1/2      14.50  14.0  5   130  0.0640  2855  309  914
                                       ≥1        18.50  11.5  5   130  0.0800  2235  410  894


                        Stainless steel   1/16    5.90  27.0  3    55  0.0240  2965  60  214
                        [Cr-Ni/1.4301]  1/8       7.30  27.0  3    55  0.0280  2400  63  202
                                       1/4        9.95  18.0  4    55  0.0400  1760  83  282
                                       3/8       12.50  18.0  4    55  0.0480  1400  78  269
                                       ≥1/2      14.50  14.0  5    55  0.0520  1205  106  313
                                       ≥1        18.50  11.5  5    55  0.0560  945  121  265






        fraisa.com
        158
   155   156   157   158   159   160   161   162   163   164   165