РЕКОМЕНДАЦИИ ПО ЭКСПЛУАТАЦИИ СВЕРЛ (ПРОДОЛЖЕНИЕ)

Группа ISO Номер материала Скорость резания (SFM) ø0,078 – ø0,197 Скорость резания (SFM) ø0,198 – ø0,512 Скорость резания (SFM) ø0,513 – ø1,575
P 1 230–300 260–360 230–330
2 230–300 260–360 230–330
3 165–230 200–260 165–230
4 230–300 260–360 230–330
5 165–230 200–260 165–230
6 200–260 230–300 200–260
7 165–230 200–260 165–230
8 165–230 200–260 165–230
9 165–230 200–260 165–230
10 165–230 200–260 165–230
11 165–230 200–260 165–230
M 12 165–230 165–230 165–230
13 165–230 165–230 165–230
14 165–230 165–230 165–230
15 200–260 230–300 230–300
K 16 200–260 230–300 230–300
17 200–260 230–300 230–300
18 200–260 230–300 230–300
19 200–260 230–300 230–300
20 200–260 230–300 230–300
N 21 230–590 330–1000 330–1000
22 230–590 330–1000 330–1000
23 230–590 330–1000 330–1000
24 230–590 330–1000 330–1000
25 230–590 330–1000 330–1000
26 230–390 330–520 260–530
27 230–390 330–520 260–530
28 230–390 330–520 260–530
S, H 29–38 По группам материалов, согласно стандартам ISO
39–41 По группам материалов, согласно стандартам ISO