Data Sheet

09
225
Cutting speed
Vc = m/min
250 300 350 400 450 500 600 900
Ø mm r.p.m. r.p.m. r.p.m. r.p.m. r.p.m. r.p.m. r.p.m. r.p.m.
3,0 27.000 32.000 37.000 44.000 48.000 54.000 64.000 95.000
4,0 20.000 24.000 28.000 32.000 36.000 40.000 48.000 72.000
6,0 13.000 16.000 19.000 21.000 24.000 27.000 32.000 48.000
8,0 10.000 12.000 14.000 16.000 18.000 20.000 24.000 36.000
10,0 8.000 10.000 11.000 13.000 14.000 16.000 19.000 29.000
12,0 7.000 8.000 9.000 11.000 12.000 13.000 16.000 24.000
16,0 5.000 6.000 7.000 8.000 9.000 10.000 12.000 18.000
Table of recommended cutting speeds
for rotary burrs
Material groups Machining application Cutting speed
Steel, Cast steel Unhardened, untempered
steels up to 1200 N/mm²
(< 38 HRC)
Structural steels, carbon steels,
tool steels, unalloyed steels,
case hardening steels, cast steel
Coarse machining =
High material removal
250 - 350 m/min
Hardened, tempered steels
up to 1200 N/mm²
(> 38 HRC)
Tool steels, heat-treatable steels,
alloyed steels, cast steel
250 - 350 m/min
Stainless steel (INOX) Rust and
acid-resistant steels
Austenitic and
ferritic stainless steels
Coarse machining =
High material removal
250 - 350 m/min
Nonferrous metals Soft nonferrous metals
Nonferrous heavy metals
Aluminium alloys, brass,
Copper, zinc
Coarse machining =
High material removal
600 - 900 m/min
Hard nonferrous metals Bronze, titanium/titanium alloys,
hard aluminium alloys
(high silicon content)
250 - 350 m/min
Highly heat-resistant
Materials
Nickel-based and cobalt-based alloys
(engine and turbine construction)
300 - 450 m/min
Cast iron Grey cast iron,
white cast iron
Cast iron with lamellar graphite,
with nodular/spheroidal graphite
white malleable (cast) iron
black malleable (cast) iron
Coarse machining =
High material removal
600 - 900 m/min
Plastics,
other materials
Fibre-reinforced plastics,
thermoplastics, hard rubber
Coarse machining =
High material removal
500 - 1.100 m/min
Fine machining =
Low material removal