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For a longer-term standstill of the machine, switch it off at the main switch.
4.6
Resetting an emergency stop situation
Where necessary, place the Feed coupling lever in the neutral position.
Unlock the emergency stop button again.
4.7
Power failure, Restoring readiness for operation
Where necessary, place the Feed coupling lever in the neutral position.
4.8
Stopping the machine in an emergency
ATTENTION!
The emergency stop button is switched off when the machine is activated.
Press the emergency stop only if there is a risk! Release the emergency stop by turning.
4.9
Selecting the speed
The correct speed is an important factor for milling. The speed determines the cutting speed by
which the cutting edges cut the material. The service life of the tool can be increased and the
working result optimized by selecting the correct cutting speed.
The ideal cutting speed basically depends on the workpiece and the tool material. Higher
speeds are possible with tools (mills) made from hard metal or cutting ceramics than with tools
made from high-alloy high speed steel (HSS). You will achieve the ideal cutting speed by
selecting the correct rotation speed.
Use upcut milling if at all possible. In upcut milling, the direction of feed is opposite to the direc-
tion of rotation.
Please refer to a table reference book (e.g. Tabellenbuch Metall, Europa Lehrmittel, ISBN
3808517220) or the following diagrams to determine the correct cutting speed for your tool and
the material to be machined.
4.9.1 Diagram for determining speeds
2500
2000
1500
1000
800
700
600
500
400
300
200
d
100
80
mm
3
d
inches
Operation
Version 1.0.1 dated 2016-02-23
4
5
6 7 8 9 10
20
.25"
.5"
Original operating instructions
OPTIMUM
M A S C H I N E N - G E R M A N Y
30
40 50 60
70 100
1"
2"
3"
4"
150
6"
MZ4 │MZ4V
GB
Page 39
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