Stihl TS 410 Instruction Manual - Page 30

D-B10

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English Short names D-B10 The short name on a diamond cutting wheel is a combination of letters and numerals with up to four digits: - The letters indicate the authorized use for the diamond cutting wheel. - The numerals indicate the performance class of the STIHL diamond cutting wheel. Letter Authorized use D-A Asphalt D-B Concrete BA Concrete, Asphalt SB* Rock, Concrete D-G Ductile iron (*) also can be used for structural steel up to 10 mm thick and ductile iron - not suitable for continuous cutting of such materials Radial and axial run-out A correctly mounted spindle bearing on the cut-off machine is essential for normal service life and efficient operation of the abrasive cutting wheel. 28 0000-GXX-1235-A0 Using an abrasive cutting wheel on a cut-off machine with an improper, worn or damaged spindle bearing can lead to axial and radial run-out. Excessive radial run-out (A) overloads individual diamond segments and causes them to overheat. This can lead to stress cracking in the wheel core or to softening of individual segments. The result can be broken segments that increase the risk of personal injury. Axial run-out or spindle wobble (B) also results in higher thermal stresses and wider cuts. Undercut Undercutting is a wearing away of the steel core of the wheel at or just below the diamond segments. When cutting road surfaces, do not cut through into the more abrasive ballast (gravel, crushed rock) below the paved surface, as indicated by a light colored dust. Doing so can cause undercutting. If undercutting can be detected upon visual inspection, replace the wheel. WARNING Undercutting can result in wheel breakage and/or thrown segments, which can lead to severe personal injury or death to the operator or bystanders. Immediately replace a diamond cutting wheel if undercutting is visible. Built-up edges, dressing Built-up edges are identified by a pale grey deposit on the top of the diamond segments that clogs and blunts the segments. Built-up edges can form: - when cutting extremely hard material, such as granite, - as a result of incorrect handling, such as applying excessive feed force. Built-up edges increase vibration, reduce cutting performance and cause sparking. Diamond cutting wheels must be "dressed" at the first sign of built-up edges. To dress a diamond cutting TS 410, TS 420

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TS 410, TS 420
English
28
Short names
The short name on a diamond cutting
wheel is a combination of letters and
numerals with up to four digits:
–
The letters indicate the authorized
use for the diamond 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
normal service life and efficient
operation of the abrasive cutting wheel.
Using an abrasive cutting wheel on a
cut-off machine with an improper, worn
or damaged spindle bearing can lead to
axial and radial run-out.
Excessive radial run-out (
A
) overloads
individual diamond segments and
causes them to overheat. This can lead
to stress cracking in the wheel core or to
softening of individual segments. The
result can be broken segments that
increase the risk of personal injury.
Axial run-out or spindle wobble (
B
) also
results in higher thermal stresses and
wider cuts.
Undercut
Undercutting is a wearing away of the
steel core of the wheel at or just below
the diamond segments. When cutting
road surfaces, do not cut through into
the more abrasive ballast (gravel,
crushed rock) below the paved surface,
as indicated by a light colored dust.
Doing so can cause undercutting. If
undercutting can be detected upon
visual inspection, replace the wheel.
WARNING
Undercutting can result in wheel
breakage and/or thrown segments,
which can lead to severe personal injury
or death to the operator or bystanders.
Immediately replace a diamond cutting
wheel if undercutting is visible.
Built-up edges, dressing
Built-up edges are identified by a pale
grey deposit on the top of the diamond
segments that clogs and blunts the
segments.
Built-up edges can form:
–
when cutting extremely hard
material, such as granite,
–
as a result of incorrect handling,
such as applying excessive feed
force.
Built-up edges increase vibration,
reduce cutting performance and cause
sparking.
Diamond cutting wheels must be
"dressed" at the first sign of built-up
edges. To dress a diamond cutting
Letter
Authorized use
D-A
Asphalt
D-B
Concrete
BA
Concrete, Asphalt
SB
*
Rock, Concrete
D-G
Ductile iron
(*)
also can be used for structural steel
up to 10 mm thick and ductile iron –
not suitable for continuous cutting
of such materials
0000-GXX-1235-A0
D-B10