Ball Screw Spline Unit; Greasing The Ball Screw Spline Unit - Epson LS10-B Series User Manual

Maintenance 10. Ball Screw Spline Unit

10. Ball Screw Spline Unit

■ Do not connect or disconnect the motor connectors while the power to the robot
system is turned ON. 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 shut off power to the robot system, disconnect the power plug from the power
source. Be sure to connect the AC power cable to a power receptacle.
WARNING
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
NOTE

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: 13. Calibration to perform the calibration.

10.1 Greasing the Ball Screw Spline Unit

For Ball Screw Spline Unit
Grease
(AFB grease)
Wiping cloth
Tools
Cross-point screwdriver
The brake release switch affects both Joints #3 and #4. When the brake release switch is
NOTE

pressed in emergency mode, the brake for both Joints #3 and #4 are released simultaneously.
Be careful of the shaft falling and rotating while the brake release switch is pressed because the
shaft may be lowered by the weight of an end effector.
138
parts have been replaced (motors, reduction gear units, brakes, timing belts, ball screw
Name Qty.
Proper
quantity
For wiping grease
1
(Spline shaft)
For clamp band removal
1
Only for Cleanroom-model
Note
LS10-B Rev.6