HSS Rotary Cutters HSS Rotary Cutters
Cut Alu
Cut 1 without chip breaker
Cut 2 with chip breaker
Cut 3 with chip breaker
Recommended rotational speed range To determine the recommended cutting speed ➌ Select the cut. [m/min], please proceed as follows: ➍ Establish the cutting speed range. ➊ Select the material group that is to be machined. ➋ Determine the type of application.
Steel, cast steel
Cast iron
Plastics and other materials
Non-hardened, non-heat treated steels up to 1200 N/mm² (< 38 HRC)
Soft non-ferrous metals
Grey cast iron, white cast iron
Construction steels, carbon steels, tool steels, non-alloyed steels, case-hardened steels, cast steels
➌ Cut
Austenitic and ferritic stainless steels
2
Fine machining = low stock removal
3
80 - 100 m/min
5
60 - 80 m/min
1
60 - 80 m/min
1
80 - 100 m/min
2
60 - 80 m/min
Fine machining = low stock removal
Alu-alloys, brass, copper, zinc
Coarse machining = high stock removal Fine machining = low stock removal
Cast iron with flake graphite EN-GJL, with nodular graphite cast iron EN-GJS, white annealed cast iron EN-GJMW, black cast iron EN-GJMB
➍ Cutting speed
Coarse machining = high stock removal
Coarse machining = high stock removal
60 - 80 m/min
3
ALU 1 2
Coarse machining = high stock removal
2
Fine machining = low stock removal
3
Fine machining = low stock removal
200 - 300 m/min 200 - 250 m/min 60 - 80 m/min
3
80 - 100 m/min
5
Coarse machining = high stock removal
Fibre-reinforced thermoplastics, duroplastics, hard rubber, wood
Example: HSS rotary cutter, cut 2 Diameter: 12 mm. Rough chipping of non-hardened, non-tempered steels. Cutting speed: 60 - 80 m/min Rotational speed: 1.600 - 2.100 RPM
44 I 202
diameter determine the recommended rotational speed range [RPM].
➋ Application
Rust and Stainless steel (INOX) acid-resistant steels
Non-ferrous metals
➎ Select the required cutter diameter. ➏ The cutting speed range and the cutter
To determine the recommended rotational speed [RPM], please proceed as follows:
➊ Material groups
Cut 5 without chip breaker
ALU 1
200 - 300 m/min
1
250 - 300 m/min
2
200 - 250 m/min
➏ Cutting speed [m/min] ➎ Dia. [mm] 1,6 2,3 3,2 4,0 5,0 6,0 7,0 8,0 10,0 12,0 14,0 16,0
60
80
100
200
250
300
49.800 34.600 24.900 19.900 16.000 13.300 11.400 10.000 8.000 6.700 5.700 5.000
59.700 41.600 29.900 23.900 19.100 16.000 13.700 12.000 9.600 8.000 6.900 6.000
Rotational Speed [RPM] 12.000 8.400 6.000 4.800 3.900 3.200 2.800 2.400 2.000 1.600 1.400 1.200
16.000 11.100 8.000 6.400 5.100 4.300 3.700 3.200 2.600 2.200 1.900 1.600
19.900 13.900 10.000 8.000 6.400 5.400 4.600 4.000 3.200 2.700 2.300 2.000
39.800 27.700 19.900 16.000 12.800 10.700 9.100 8.000 6.400 5.400 4.600 4.000