4 Repair
4.6.5. Replacement of motor, axis 5. IRB 6640
329
3HAC026876-001 Revision: C
© Copyri
ght
200
6-2008 ABB.
All rights reserved.
Refitting, motor, axis 5
The procedure below details how to refit motor, axis 5.
Action
Note
1.
DANGER!
Turn off all electric power, hydraulic and
pneumatic pressure supplies to the robot!
For Foundry Prime robots: Do not turn off the
air pressure to motors and SMB.
2. Make sure the o-ring on the circumference of
the motor is seated properly. Lightly lubricate
the o-ring with grease.
Art. no. is specified in
.
3. Clean the pinion and the pinion hole in the
motor, with isopropanol.
NOTE!
If the pinion is damaged the complete wrist unit
must be replaced!
Art. no. is specified in
.
Replacing the complete wrist unit is
detailed in section
complete wrist unit on page 252
.
4. Apply a thin film of mineral oil to the pinion
shaft and the pinion hole in order to make the
pinion run smoothly and to achieve an even
friction torque when assembling the pinion.
Art. no. is specified in
.
5. Place the motor and pinion in the press fixture. Art. no. is specified in
.
6. Press the pinion onto the new motor and check
the pressing force.
For an axis diameter of 15.5 mm, use min.
pressing force: 18.5 kN and max. pressing
force: 39.5 kN.
If the pressing force is outside the
given range or if the pinion "jumps" in
bit by bit, it must be dismounted,
checked, cleaned and oiled before it is
assembled once again!
7. Measure the distance between the motor
flange and the outer surface of the pinion with
the measuring tool.
Modify the distance with shims in order to
obtain the same distance as measured when
dismounting the old motor (+ 0-0,05 mm).
Art. no. is specified in
.
8. In order to release the brake, connect the 24
VDC power supply.
Connect to either:
- connector R4.MP5 (in the motor):
•
+: pin 2
•
-: pin 5
- connector R3.MP5 (on the separate
cable, if not removed):
•
+: pin C
•
- : pin D
9. Fit the two guide pins in two of the motor
attachment holes.
Art. no. is specified in
.
Continued
Continues on next page
Содержание IRB 6640 - 130/3.2
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