Working safely with cut-off machines
English
19
Short names
The short name is a combination of
letters and numerals with up to four
digits:
–
The letters indicate the main area of
use for the cutting wheel.
–
The numerals indicate the
performance class of the STIHL
diamond cutting wheel.
Radial and axial run-out
A correctly mounted spindle bearing on
the cut-off machine is essential for a
long service life and efficient operation
of the diamond cutting wheel.
Using a cutting wheel on a cut-off
machine with defective spindle bearing
can lead to axial and radial run-out.
Excessive radial run-out (
A
) causes
individual diamond segments to be
overloaded and to overheat. This can in
turn lead to stress cracking in the wheel
core or to softening of individual
segments.
Axial run-out or wobble (
B
) results in
higher thermal stress and wider cuts.
Letter
Main area of use
A
Asphalt
B
Concrete
BA
Concrete, Asphalt
S
Stone (rock)
SB
Rock, Concrete
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