
8.LASER OPTICAL SYSTEM B-70315EN/02
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(11) Place the mirror in its holder, and blow warm air onto the holder
to warm it by using a drier. This will soften the vacuum grease
and bond the mirror onto the holder. Check for excessive vacuum
grease, if any, around the mirror. If the mirror is dirty, clean the
mirror according to steps (4) through (8).
(12) By using a cotton swab moistened with ethyl alcohol, clean the
part of the mounting section that touches the mirror. Flakes of
coating may remain in this area. Those flakes can cause the
mirror to be misaligned.
(13) Install the mirror holder by reversing steps (2) through (3). At
this time, insert the holder perpendicular to the alignment unit so
that the mirror touches the mirror holder evenly. When tightening
the fixing screws, tighten each screw evenly.
(14) Turn on the main circuit breaker and the power supply of the
laser oscillator, then turn on the power to the CNC. Next, make a
leakage check.
CAUTION
C5000-E uses two types of folding mirrors. The
type used for FM1, FM2, FM3, and FM6 is
A04B-0817-D202, and the type used for FM4 and
FM5 is A04B-0817-D203. These types of mirrors
are not compatible with each other. If a wrong type
of mirror is installed, a normal mode pattern is not
obtained.
8.2.3 Cleaning and Replacing the Beam Folding Unit
(1) Turn off the power to the CNC, then turn off the main circuit
breaker and power supply for the laser oscillator.
(2) Before starting cleaning, wipe away any foreign matter from
around the mirror holder.
(3) Loosen the mirror holder mounting screw, and remove the mirror
holder. Do not detach the cable connected to the holder, but
loosen the clamp of the cable.
Vacuum grease is applied to the rear of the mirror. So, the mirror
does not come off easily from its holder. Clean the mirror
without removing it from its holder. To replace the mirror,
proceed to step (9).
(4) Gently blow clean air by using a camera blower across the mirror
surface to remove dust and dirt.
(5) Drip ethyl alcohol or lens cleaner onto the mirror surface, and
gently wipe dirty areas by using a cotton swab moistened with
the fluid.