Version 1.1.1 - 2021-1-25 29Translation of original instruction
MB4 EN
MB4_GB_4.fm
4.7.2 Speed table one-phase drive
Img.4-3: Speed table
4.8 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.
Please refer to the following standard values or a table reference book (e.g. Tabellenbuch
Metall, Europa Lehrmittel, ISBN 3808517220) to determine the correct cutting speed for your
tool and the material to be cut.
The required speed is calculated as follows:
n = speed in rpm(revolutions per minute)
V = cutting speed in m/min (metres per minute)
d = tool diameter in m (metres)
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