html-Catalog FORMAT plus - EDE 2015 - 2017
1369
Carbide burrs
Tungsten carbide burr (rotor cutter) DIN 8032/8033
Applications recommendations: • Enables high turning speeds. Please note our
• For poor heat conductors such as stain- less steel, titanium alloys etc. we recom- mend a significant reduction in turning speed to avoid damaging the tool. Blue staining to the shank and tool should be avoided. • For low stock removal (deburring, chamfering, light surface treatment), the speed can be significantly increased. • For heavily lubricating materials it is sensible to use lubricants (grease, petroleum, chalk or other) to prevent the tooth system clogging. Carbide burrs can, in principle, be reground. Regrinding of small and miniature burrs is not advisable for reasons of cost.
turning/cutting speed recommendations. With stationary or countersunk jobs with 360°-wrap this burr can be exceptionally used at speeds below 3000 min -1 . • Only use with rigid clamping systems/drives; tool beat and rattle leads to premature wear. • The contact surface of the burr to the workpiece should not exceed one third of the circumference during processing. An excessively large wrap angle of > 1/3 leads to restless milling behaviour. This leads to tooth breakage.
Tooth system Special Alu
Tooth system INOX
Tooth system C/3 PLUS (to DIN MX)
Tooth system 3 (to DIN MY)
Tooth system 4 (to DIN MX)
Tooth system 5 (to DIN F)
Tooth system Alu
Processing
Material groups
Toothing
Cutting speed
Course machining = more material removal Fine machining = less material removal Course machining = more material removal Fine machining = less material removal
3
unhardened, untem- pered steels up to 1200 N/mm 2 (< 38 HRC) hardened, tempered steels above 1200 N/mm 2 (> 38 HRC)
450– 600 m/min
Construction steels, carbon steels, tool steels, unalloyed steels, case-hardened steels, cast steel
Observe safety recommendations:
C/3 PLUS
3
500– 600 m/min
Steel, cast steel
3
C/3 PLUS 4
250– 350 m/min
Tool steels, tempering steels, alloyed steels, cast steel
Please observe the recommended turning speeds!
5
350– 450 m/min
3
C/3 PLUS 4 INOX
250– 350 m/min
Course machining = more material removal
Stainless steel INOX
Rust and acid resis- tant steels
austenitic and ferritic stainless steels
450– 600 m/min
Fine machining = less material removal Course machining = more material removal Fine machining = less material removal Course machining = more material removal Fine machining = less material removal Course machining = more material removal Fine machining = less material removal Course machining = more material removal Fine machining = less material removal Course machining = more material removal Fine machining = less material removal Course machining = more material removal Fine machining = less material removal
5
350– 450 m/min
Alu
600–1100 m/min 400– 500 m/min
Special Alu
Soft NF metals, NF metals
Alu alloys, brass, copper, zinc
Alu
800–1100 m/min
3 4
250– 350 m/min
3
350– 450 m/min
Example: HM burr, tooth system 3 PLUS, ∅ 12 mm. Course machining of non-hardened, untempered steels. Cutting speed: 450–600 m/min. Speed range: 12000–16000 min -1 . HM burr, tooth system Alu, ∅ 12 mm. Course machining of hard NF metals. Cutting speed: 600–1100 m/min. Speed range: 16000–30000 min -1 .
Bronze, titanium/titanium alloys, hard Alu alloys (higher Si content)
Non-ferrous metals
Hard NF metals
Alu
600–1150 m/min 400– 500 m/min
Special Alu
Alu
900–1100 m/min
C/3 PLUS
300– 450 m/min
4
heat-resistant materials
Nickel-based and cobalt-based alloys (Engine and turbine construction)
5
350– 500 m/min
3
Cast iron with lamellar graphite EN-GJL (GG), with nodular graphite/ductile iron EN-GJS (GGS), white malleable EN-GJMVV (GTW), black malleable EN-GJMB (GTS)
450– 600 m/min
C/3 PLUS
gray cast iron, white cast iron
Cast iron
3
500– 600 m/min
Alu
500–1100 m/min 500– 900 m/min
Synthetics, other materials
Special Alu
fibre-reinforced plastics (GFP/CFP), thermoplastic plastics, hard rubber
8 Abrasives
Alu
500–1100 m/min
Cutting speeds m/min 250 300 350 400 450 500 600 900
Cutting speed only for Alu/Special Alu m/min
400
500
600
900
1100
Revolutions min -1
Revolutions min -1
Burr ∅ mm
Burr ∅ mm
2 3 4 6 8
40000 48000 56000 64000 72000 80000 95000 143000 27000 32000 37000 42000 48000 53000 64000 95000 20000 24000 28000 32000 36000 40000 48000 72000 13000 16000 19000 21000 24000 27000 32000 48000 10000 12000 14000 16000 18000 20000 24000 36000 8000 10000 11000 13000 14000 16000 19000 29000 7000 8000 9000 11000 12000 13000 16000 24000 5000 6000 7000 8000 9000 10000 12000 18000 4000 5000 6000 6000 7000 8000 10000 14000
3 6 8
42000 21000 16000 13000 11000 8000
53000 27000 20000 16000 13000 10000
64000 32000 24000 19000 16000 12000
95000 48000 36000 29000 24000 18000
117000 59000 44000 35000 30000 22000
10 12 16
10 12 16 20
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