Functioning - Femi CS 20-140 Manual De Instruccione

EN

FUNCTIONING

After correctly blocking the piece to be cut in the vice,
start the machine and let the motor run at its maximum
speed. Slowly lower the disc (A), until it comes into
contact with the piece to be cut (B). Exert a constant
pressure on the disc to avoid any skipping that could
make the disc oval and thus compromise cutting quality
and also break the disc.
The result is better when the workpiece is placed in order
that the disc cuts with a minimum contact arc.
Keep on exerting a constant pressure during cutting.
Keep on exerting the same pressure also when you are
about to finish the cutting. Normally when you are
finishing the cutting the contact arc between the disc
and the material to be cut increases and this would
require an even greater push.
A slowdown would involve an overheating of the metal
and big burrs would appear.
The figure illustrates the piece cut at the end of the work.
Caution: During work the disc wears out and must be
replaced. The number of cuttings you can carry out with
the disc, so as cutting quality can considerably vary
depending on how the cuttings are carried out. Quick
cuttings wear the disc faster but reduce the burrs and
workpiece's colouring. This is visible especially when
cutting small-bore pipes.
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