Typical Rotational Speeds
Titanium, Nickel & Super Alloys | Alloy & Stainless Steel, Cast Iron | Low to Medium Carbon Steels | Copper & Aluminium Alloys | ||||
---|---|---|---|---|---|---|---|
Peripheral Speed m/min | 5 | 10 | 20 | 30 | 50 | 100 | |
Cutter diameter | r.p.m. | ||||||
ins | mm | ||||||
1 | 25 | 64 | 127 | 255 | 382 | 636 | 1273 |
2 | 50 | 32 | 64 | 127 | 191 | 318 | 636 |
3 | 75 | 21 | 42 | 85 | 127 | 212 | 424 |
4 | 100 | 16 | 32 | 64 | 95 | 159 | 318 |
5 | 125 | 13 | 25 | 51 | 76 | 127 | 255 |
6 | 150 | 11 | 21 | 42 | 64 | 106 | 212 |
7 | 175 | 9 | 18 | 36 | 55 | 91 | 182 |
8 | 200 | 8 | 16 | 32 | 48 | 80 | 159 |
9 | 225 | 7 | 14 | 28 | 42 | 71 | 141 |
10 | 250 | 6 | 13 | 25 | 38 | 64 | 127 |
11 | 275 | 6 | 12 | 23 | 35 | 58 | 116 |
12 | 300 | 5 | 11 | 21 | 32 | 53 | 106 |
(THESE FIGURES ARE FOR GUIDANCE ONLY AND MAY NEED TO BE VARIED TO SUIT INDIVIDUAL APPLICATIONS)
Feed rates in the range 0.05mm to 0.25mm (0.002" to 0.010") per revolution according to material being worked.
Generally, use heavier feed rates for materials which work-harden e.g. stainless steels, copper and some alloys.
Best results are obtained using a suitable cutting fluid.