Threading Technology – Clamping Technology 520

378 VA STEEL Accessories 3 x D 5 x D 6 x D Tech. Info v c / f 8 x D 2-3.5 x D NC Spot / Chamfer Drills NC Spot Drills D ≤ 6 mm D > 6 mm D ≤ 1 / 4 D > 1 / 4 Cutting speed v c [SFM] Feed per revolution f [inch/rev.] min. rec. max. min. rec. max. min. rec. max. min. rec. max. P 1 .1 197 230 279 328 394 459 .0020 .0028 .0035 .0031 .0039 .0047 2 .1 164 197 230 279 328 377 .0020 .0028 .0035 .0031 .0039 .0047 3 .1 131 164 197 230 279 328 .0020 .0028 .0035 .0031 .0039 .0047 4 .1 197 230 262 .0020 .0024 .0028 .0031 .0035 .0039 5 .1 148 180 213 .0020 .0024 .0028 .0031 .0035 .0039 M 1 .1 115 164 197 197 262 328 .0020 .0024 .0028 .0031 .0035 .0039 2 .1 82 98 115 131 164 197 .0020 .0024 .0028 .0031 .0035 .0039 3 .1 115 131 148 .0020 .0024 .0028 .0031 .0035 .0039 4 .1 K 1 .1 230 295 361 394 492 591 .0020 .0039 .0059 .0031 .0047 .0063 1 .2 197 262 295 328 427 492 .0020 .0039 .0059 .0031 .0047 .0063 2 .1 197 262 312 328 427 525 .0020 .0031 .0043 .0031 .0043 .0055 2 .2 197 230 279 328 394 459 .0020 .0031 .0043 .0031 .0043 .0055 3 .1 131 164 180 230 262 295 .0020 .0028 .0035 .0031 .0039 .0047 3 .2 230 262 295 .0020 .0028 .0035 .0031 .0039 .0047 4 .1 213 262 295 361 427 492 .0020 .0031 .0043 .0031 .0043 .0055 4 .2 180 213 262 295 361 427 .0020 .0031 .0043 .0031 .0043 .0055 N 1 .1 410 476 525 689 787 886 .0031 .0047 .0063 .0043 .0059 .0071 1 .2 410 476 525 689 787 886 .0031 .0047 .0063 .0043 .0059 .0071 1 .3 361 394 427 591 656 722 .0024 .0039 .0055 .0035 .0051 .0063 1 .4 361 394 427 591 656 722 .0031 .0047 .0063 .0043 .0059 .0071 1 .5 295 328 361 492 558 591 .0031 .0047 .0063 .0043 .0059 .0071 1 .6 2 .1 213 262 312 361 427 525 .0024 .0031 .0039 .0035 .0043 .0051 2 .2 295 312 328 492 525 558 .0024 .0031 .0039 .0035 .0043 .0051 2 .3 361 410 476 591 689 787 .0031 .0039 .0047 .0043 .0051 .0059 2 .4 115 164 180 197 262 295 .0020 .0028 .0035 .0031 .0039 .0047 2 .5 180 213 279 295 361 459 .0020 .0028 .0035 .0031 .0039 .0047 2 .6 180 197 213 295 328 361 .0031 .0039 .0047 .0043 .0051 .0059 2 .7 164 180 197 .0020 .0028 .0035 .0031 .0039 .0047 2 .8 164 180 197 .0020 .0028 .0035 .0031 .0039 .0047 3 .1 180 213 279 295 361 459 .0020 .0028 .0035 .0031 .0039 .0047 3 .2 115 164 180 197 262 295 .0020 .0028 .0035 .0031 .0039 .0047 4 .1 262 279 295 427 459 492 .0016 .0024 .0031 .0028 .0035 .0043 4 .2 295 312 328 492 525 558 .0016 .0024 .0031 .0028 .0035 .0043 4 .3 4 .4 5 .1 230 295 394 .0024 .0031 .0039 .0035 .0043 .0051 5 .2 5 .3 S 1 .1 82 98 115 131 164 197 .0020 .0024 .0028 .0031 .0035 .0039 1 .2 82 131 164 .0020 .0024 .0028 .0031 .0035 .0039 1 .3 2 .1 2 .2 16 33 66 33 66 98 .0020 .0024 .0028 .0031 .0035 .0039 2 .3 2 .4 98 148 180 .0020 .0024 .0028 .0031 .0035 .0039 2 .5 2 .6 98 115 131 .0020 .0024 .0028 .0031 .0035 .0039 H 1 .1 98 115 131 .0020 .0024 .0028 .0031 .0035 .0039 1 .2 1 .3 1 .4 1 .5 Cutting data Please note that these data are standard values only. • We recommend the standard values in bold print ( rec. ) for stable work conditions and for high-performance machine tools with sufficient speed capability. • Correspondingly, the lower cutting speeds ( min. ) in connection with higher feed values (up to max. ) should be used for machine tools with lower spindle speeds. • For optimum workpiece conditions, and for machine tools with extremely high performance and high spindle speeds, the high cutting speeds ( max. ) in connection with possibly reduced feed values can be applied. Product Finder