Maintenance 11. Ball Screw Spline Unit
G3 Rev.14 155
11. Ball Screw Spline Unit
WARNING
■
connect or disconnect the motor connectors while the power to the robot
Connecting or disconnecting the motor connectors with
the power ON is extremely hazardous and may result
in serious bodily injury as
the Manipulator may move abnormally, and
also may result in electric shock
and/or malfunction of the robot system.
to the robot system, disconnect the power plug from the power
source. Be sure to connect the AC power cable to a power receptacle.
DO NOT connect it directly
to a factory power source.
Before performing any replacement procedure, turn OFF the Controller and
related equipment,
and then disconnect the power plug from the power source.
Performing any replacement procedure with the power ON is extremely
hazardous and may result in
electric shock and/or malfunction of the robot
system.
After parts have been replaced (motors, reduction gear units, brakes, timing belts, ball
screw spline unit, etc.), the Manipulator cannot operate properly because a mismatch
exists between the origin stored in each motor and its corresponding origin stored in the
Controller.
After replacing the parts, it is necessary to match these origins.
The process of aligning the two origins is called “Calibration”.
Refer to Maintenance: 14. Calibration to perform the calibration.
11.1 Greasing the Ball Screw Spline Unit
Grease
For Ball Screw Spline Unit (AFB grease)
For wiping grease (Spline shaft)
Cross-point screwdriver 1
Only for Cleanroom-model and
The brake release switch affects only Joint #3. When the brake release switch is pressed,
the brake for Joint #3 is released simultaneously.
Be careful of the shaft while the brake release switch is being pressed because the shaft
may be lowered by the weight of the end effector.
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