YG300_Mainte_E.pdf - 第50页

3-12 3 Periodic maintenance items 2 . 5 C l e a n i n g a n d g r e a s i n g t h e U - a x i s T o c l e a n a n d g r e a s e t h e U - a x i s b a l l s c r e w s a n d l i n e a r g u i d e s , f o l l o w t h e s t …

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3
Periodic maintenance items
3
Clean the Y-axis linear guides.
1. Wipe away the old grease and dirt from
the linear guides with a lint-free cloth or
paper towel (for clean room use).
2. Move the X-axis beam back to the front
side (toward you) and wipe the linear
guides clean.
53317-F1-00
c
CAUTION
Wipe away the old grease and dirt in the grooves of the
linear guide rails.
4
Apply new grease to the linear
guides.
Use the grease gun to supply the specified
grease (NSL) to the grease nipples for the
Y-axis linear guides. There are two grease
nipples for each Y-axis linear guide as shown
in the photos on the right (total of 4 grease
nipples per table).
53318-F1-00
5
Remove excess grease.
After moving the X-axis beam back and
forth a few times along the Y-axis, wipe
away excess grease from the linear guides.
c
CAUTION
Repeat the above steps until finally there are no longer
any grease deposits.
6
Reattach the Y-axis ball screw covers.
Attach the covers in the reverse order of the
removal procedure in step 2.
c
CAUTION
Be sure to reattach the covers back to their original
positions. If production starts without reattaching the
covers, spattering grease might badly affect the
production yield.
Cleaning the Y-axis linear guides
Step 3
Wipe with cleaning cloth or paper towel
Injecting grease (Y-axis linear guides)
Step 4
Grease gun
Grease gun
Front (outer) side
Rear (inner) side
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Periodic maintenance items
2.5 Cleaning and greasing the U-axis
To clean and grease the U-axis ball screws and linear guides, follow the steps below. Prepare a grease gun and
the specified grease (NSL).
c
CAUTION
When handling grease or lubricant, read and follow the precautions listed in section 2.2.2, "Lubricating tools and
grease", in Chapter 1.
2.5.1 Cleaning and greasing the U-axis ball screws
e
1
Press the emergency stop button.
The machine must be in emergency stop to
ensure safety during work.
2
Remove the ball screw cover.
Use a Phillips screwdriver to remove the four
screws securing the U-axis ball screw cover.
3
Clean the U-axis ball screw.
1. Move the stage to one end of the U-axis,
and wipe away the old grease and dirt
from the ball screw with a lint-free cloth
or paper towel (for clean room use).
2. Move the stage to the opposite end of
the U-axis and wipe the ball screw clean.
53319-F1-00
c
CAUTION
Wipe away the old grease and dirt in the lead groove
of the ball screw. Also check that no debris or residue
remains in the lead groove.
4
Apply new grease to the ball screw.
Use the grease gun to supply the specified
grease (NSL) to the grease nipple (see photo
at right).
53320-F1-00
5
Remove excess grease.
1. Move the stage back and forth a few
times along the U-axis to spread grease
over the entire ball screw.
2. Wipe away excess grease from the ball
screw and the nut edges (outer and
inner sides).
6
Reattach the U-axis ball screw cover.
c
CAUTION
Be sure to reattach the covers back to their original positions. If production starts without reattaching the covers,
spattering grease might badly affect the production yield.
Cleaning the U-axis ball screw
Step 3
Wipe with cleaning cloth or paper towel
Greasing the U-axis ball screw
Step 4
Grease gun
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Periodic maintenance items
2.5.2 Cleaning and greasing the U-axis linear guides
e
1
Press the emergency stop button.
The machine must be in emergency stop to
ensure safety during work.
2
Clean the U-axis linear guides.
1. Move the stage to one end of the U-axis
and wipe away the old grease and dirt
from the linear guides with a lint-free
cloth or paper towel (for clean room
use).
2. Move the stage to the opposite end of
the U-axis and wipe the linear guides
clean.
53321-F1-00
c
CAUTION
Wipe away the old grease and dirt in the grooves of the
linear guide rails.
3
Apply new grease to the linear
guides.
Use the grease gun to supply the specified
grease (NSL) to the linear guide grease
nipples. The grease nipple for each linear
guide is located under the stage (see photo
at right). There are two (left and right)
grease nipples per stage.
53322-F1-00
4
Remove excess grease.
After moving the stage back and forth a few
times along the U-axis, wipe away excess
grease.
Cleaning the U-axis linear guides
Step 2
Wipe with cleaning cloth or paper towel
Greasing the U-axis linear guides
Step 3
Grease gun