Epson/Seiko SRC-320 ABS, Руководство пользователя

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Maintenance 15. Trouble Shooting
155
An abnormal sound is generated (during operation).
Diagnosis Correction See
Assign the generation
source by operating the
system via a single shaft
or operating it manually.
1) Is the tension of a
timing belt proper?
1) Push the timing belt and tighten
the belt again or replace if it is
loose.
“Replacing the timing
belt” section in Ma-
nipulator manual
2) Does the axis #3 brake
operate normally?
2) Press the axis #3 brake release
button in the MOTOR OFF
condition and confirm that the
axis #3 operates normally.
Confirm that the brake works
when the button is not pressed.
If abnormality is found, replace
the brake.
“Replacing the brake”
section in Manipula-
tor manual
3) Does the cover or ca-
ble not strike against
anything else?
3) Be careful not to touch any-
thing else.
4) Is the fixing screw of
the cover not loose?
4) Check the fixing screw of the
cover and tighten the screw
again if it is loose.
“Cover removal” sec-
tion in Manipulator
manual
5) Is an abnormal sound
generated from reduc-
tion gears?
5) Replace the grease on the re-
duction gears.
If the abnormal sound is gener-
ated still more, replace the re-
duction gears.
6) Is an abnormal sound
generated from around
the ball-screw spline
shaft of axis #3?
6) Apply grease to the ball-screw
spline shaft.
If the abnormal sound is gener-
ated still more, replace the
ball-screw spline unit.
“Lubrication” section
in Manipulator man-
ual
An abnormal sound is generated (during stop).
Diagnosis Correction See
The abnormal sound generated
during stop is almost the oscilla-
tion of a motor owing to the play
in a mechanical system.
1) Is the tension of a timing belt
proper?
1) Push the timing belt and
tighten the belt again or
replace if it is loose.
“Replacing the timing
belt” section in Ma-
nipulator manual
2) Does the operating time of a
robot exceed 8,000 hours in
all?
2) Examine the replace-
ment of reduction gears
in each axis.
3) Does the operating time of a
robot exceed 15,000 hours in
all?
3) Examine the replace-
ment of an axis #3
ball-screw spline unit.