Epson/Seiko SRC-320 ABS, Руководство пользователя

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Maintenance 15. Trouble Shooting
153
No precision is obtained (during operation), the position is shifted, and the shifted posi-
tion cannot be corrected.
Diagnosis Correction See
1) Is the bolt that installs a
manipulator tightened
firmly?
1) Confirm that the manipula-
tor is firmly fixed to the
base table (frame).
“Base table” section
in Manipulator man-
ual
2) Is the tension of a timing
belt proper?
2) Push the timing belt and
tighten the belt again or re-
place if it is loosen.
“Replacing the tim-
ing belt” section in
Manipulator manual
3) Does a remarkable play
occur when the power is
turned off and when the
arm is moved manually?
3) Check the main fastening
bolt of the arm and confirm
that the bolt is not loosened.
4) Does the operating time of
a robot exceed 8,000 hours
in all?
4) Examine the replacement of
reduction gears in each axis.
5) Does the operating time of
a robot exceed 15,000
hours in all?
5) Examine the replacement of
an axis #3 ball-screw spline
unit.
6) Is there no strong noise
source in the neighbor-
hood?
6) Take measures against the
noise.
Section 2.6 in Func-
tions volume
7) For except the above. 7)-1 Replace the MPU board. Section 7.3 in Main-
tenance volume
7)-2 Replace the AC servo
driver.
Section 6.3 in Main-
tenance volume
7)-3 Replace the motor. “Motor replace-
ment” section in
Manipulator manual
The positioning point is shifted, but the shifted point can be corrected.
Diagnosis Correction See
1) Is the position of periph-
eral equipment not
shifted?
1) Confirm the fixing screws of
the peripheral equipment.
2) Do a play and catch occur
when the power is turned
off and when the arm is
moved manually?
2) Check the main fastening
bolt of the arm and confirm
that the bolt is not loosened.