Greasing - Epson G20 series Manipulator Manual

Maintenance 2. General Maintenance

2.3 Greasing

The ball screw spline and reduction gear units need greasing regularly. Only use the
grease specified in the following table.
■ Keep enough grease in the Manipulator.
insufficient grease will damage sliding parts and/or result in insufficient function of
the Manipulator. Once the parts are damaged, a lot of time and money will be
CAUTION
required for the repairs.
■ If grease gets into your eyes, mouth, or on your skin, follow the instructions
below.
If grease gets into your eyes
: Flush them thoroughly with clean water, and then see a doctor immediately.
If grease gets into your mouth
: If swallowed, do not induce vomiting. See a doctor immediately.
CAUTION
: If grease just gets into your mouth, wash out your mouth with water
thoroughly.
If grease gets on your skin
: Wash the area thoroughly with soap and water.
Greasing part
Joint #1 Reduction
Joint #2 gear units
Ball screw
Joint #3
spline unit
Joint #4 Backlash-less gear
Joint #1, 2 reduction gear units
As a rough indication, perform greasing at the same timing as overhaul.
However, it may vary depending on usage condition and degree of the load (such as when
operated with the maximum motion speed and maximum acceleration / deceleration in
continuous operation) applied on the Manipulator.
Joint #3 Ball screw spline unit
The recommended greasing interval is at 100 km of operation. However, greasing timing
also can be checked from the grease condition. Perform greasing if the grease is
discolored or becomes dry.
Perform greasing at 50 km of operation for the first time of greasing.
98
Greasing Interval
Overhaul timing
At 100 km of operation
(50 km for first greasing)
In Joint #3 greasing
Normal grease Discolored grease
Operating the Manipulator with
Refer to Maintenance:
Grease
5.2 Replacing the Joint #1 Reduction Gear Unit
SK-1A
6.2 Replacing the Joint #2 Reduction Gear Unit
AFB 10.1 Greasing the Ball Screw Spline Unit
AFB G10 only
G10 / G20 Rev.20