Tungsten Carbide Burrs
TC Burrs for ALU/Non-Ferrous Metals
Application examples
Recommendations for use
■■Contouring.
The use of grinding oil prevents chips adhering
■■Bore deburring.
during work on soft aluminium alloys. This
■■Milling in preparation of build-up welding.
increases the tool life and improves the finish
■■Suitable for milling work (deburring, weld
of the workpiece.
dressing, contouring etc.) Also suitable for
Refer to catalogue 204 for detailed informa-
work on small and miniature components
tion and order data for grinding oil 412 ALU.
in mould, machine and model construction.
Advantages of ALU PLUS cut
Advantages of ALU cut
■■Mainly used for coarse stock removal of
■■Reduces material adhesion.
non-ferrous metals, brass, copper, hard
■■Long tool life.
aluminium alloys, plastics, fibre-reinforced
■■Large chip volume and high stock removal
plastics and rubber.
performance.
PFERD has further developed the ALU cut
■■Can be used with cutting rates of up to
especially for stock removal of aluminium. This
1.100 m/min.
cut is characterised by its high stock removal
■■Smooth running.
performance on all aluminium materials.
Note
You can find the coated tungsten carbide ALU
Cut ALU
Cut ALU PLUS
cut under tungsten carbide burrs HICOAT®,
coating HC-NFE, on pages 28-29.
Please refer to the PRAXIS “PFERD Tools for
Use on Aluminium” for instructions and further
information on working with aluminium.
Recommended rotational speed range
To determine the recommended cutting speed
➌ Select the cut.
➎ Select the required burr diameter.
[m/min], please proceed as follows:
➍ Establish the cutting speed range.
➏ The cutting speed range and the burr
➊ Select the material group
diameter determine the recommended
that is to be processed.
To determine the recommended rotational
rotational speed range [RPM].
➋ Determine the type of machining.
speed [RPM], please proceed as follows:
➊ Material groups
➋ Application
➌ Cut
➍ Cutting speed
ALU
600 - 1.100 m/min
Coarse machining =
Soft non-ferrous
Alu-alloys, brass,
high stock removal
ALU PLUS
400 -
500 m/min
metals
copper, zinc
Fine machining =
ALU
800 - 1.100 m/min
Non-ferrous
low stock removal
metals
ALU
600 - 1.100 m/min
Coarse machining =
Bronze, titanium,
Hard non-ferrous
high stock removal
ALU PLUS
400 -
500 m/min
hard aluminium alloys
metals
(high Si content)
Fine machining =
ALU
900 - 1.100 m/min
low stock removal
ALU
500 - 1.100 m/min
Coarse machining =
Fibre-reinforced plastics (GRP/CRP)
Plastics and other
high stock removal
ALU PLUS
500 -
900 m/min
thermoplastics,
materials
hard rubber
Fine machining =
ALU
500 - 1.100 m/min
low stock removal
Example
➏ Cutting speed [m/min]
Tungsten carbide burr, ALU cut
400
500
600
900
1.100
Diameter: 12 mm
➎
Coarse machining of hardened non-ferrous
Dia. [mm]
Rotational Speed [RPM]
metals, e.g. bronze.
3
42.000
53.000
64.000
95.000
117.000
Cutting speed: 600 - 1.100 m/min
6
21.000
27.000
32.000
48.000
59.000
Rotational speed: 16.000 - 30.000 RPM
8
16.000
20.000
24.000
36.000
44.000
10
13.000
16.000
19.000
29.000
35.000
12
11.000
13.000
16.000
24.000
30.000
16
8.000
10.000
12.000
18.000
22.000
202 I
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