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10.1 Greasing the Ball Screw Spline Unit
For Ball Screw Spline Unit (AFB grease)
Grease
Wiping cloth
Tools
Cross-point screwdriver
The brake release switch is applied to both Joints #3 and #4. When the brake release
NOTE
switch is pressed, the respective brakes of the Joints #3 and #4 are released
simultaneously.
Be careful of the shaft falling and rotating while the brake release switch is being pressed
because the shaft may be lowered by the weight of the end effector.
10.1.1 Standard-model (S type)
Cover the surrounding area such as the end effector and peripheral equipment in case the
grease drips.
(1) Turn ON the Controller. Stop motor excitation. (MOTOR OFF)
(2) Move the arm to a position where Joint #3 can be moved in full stroke.
(3) Move the shaft to its upper limit manually
(4) Turn OFF the Controller.
(5) Wipe off the old grease from the upper part of
(6) Turn ON the Controller.
(7) Move the shaft to its lower limit manually while pressing the brake release switch.
(8) Wipe off the old grease from the lower part of the shaft, and then apply new grease to it.
(9) Move the shaft up and down several times while pressing the brake release switch to
G10 / G20 Rev.20
Name
while pressing the brake release switch.
the shaft, and then apply new grease to it.
When applying the new grease to the upper
part of the shaft, directly fill the grooves on it
by hand. Wipe off excess grease from the
shaft.
When applying the new grease to the lower part of the shaft, directly fill the grooves
on it by hand. Wipe off excess grease from the shaft.
smooth out the grease on the shaft. Wipe off excess grease from the shaft.
When wiping off the excess grease from the upper part of shaft, turn OFF the
Controller and remove the arm top cover.
For details, refer to Maintenance: 3.1 Arm Top Cover.
Maintenance 10. Ball Screw Spline Unit
Quantity
Proper
quantity
1
For wiping grease
For clamp band removal
1
Only for Cleanroom-model and
Protected-model
Note
Brake release switch
195
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