YS24 保养手册.pdf - 第11页
3-9 3 Periodic maintenance items 2.3 Cleaning and greasing the X, Y , and PU axes (bimonthly) T his section describes how to clean and grease the X, Y , and PU axes. For details about lubrication points and procedures, s…
3-8
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Periodic maintenance items
2.2 Inspecting each axis (monthly)
Inspect the ball screws on the X, W, U, and PU axes and the linear guides on the X, Y, W, and U axes. The
checkpoints are listed below.
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NOTE
A grease spattering prevention cover is attached to the X-axis. Before starting the inspection work, detach this grease
spattering prevention cover while referring “Detaching grease spattering prevention cover” described later on.
Checkpoints
1. Any foreign matter adhering to the ball screws and linear guides?
Check if any fallen chips have adhered to the X and Y axis ball screws and/or X, Y and W axis linear guides.
2. Do the ball screws and linear guides have the correct amount of grease?
Check if grease has flowed off or splattered in the air failing to adhere. Also check if grease has discolored or hardened.
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3. Any abnormal sounds from the ball screws?
Press the emergency stop button. Then check for any abnormal sounds while pressing the X-axis by hand.
Countermeasures
1. Ball screws and linear guides may be damaged when chips and other material bite into them. If chips are adhering,
wipe them off along with the grease or remove with tweezers, etc.
2. Apply grease while referring “Cleaning and lubrication” described later on.
3. Consult your YAMAHA sales office or representative when abnormal sounds occur even after trying the
countermeasures in the above steps 1 and 2.
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understand its contents.
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Periodic maintenance items
2.3 Cleaning and greasing the X, Y, and PU axes (bimonthly)
This section describes how to clean and grease the X, Y, and PU axes. For details about lubrication points and
procedures, see the section, “Lubrication points”, in Chapter 4. Prepare the grease gun and specified grease
(NSL).
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grease" in Chapter 1.
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the warranty.
2.3.1 Cleaning and greasing the X-axis ball screw
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1
Make the preparations for the
cleaning and greasing work.
1. Take off all accessories susceptible to the
magnetic fields, such as a wristwatch
and/or magnetic ID card.
2. Press the emergency stop button to put
the machine in the emergency stop
state.
3. Put square bandages on the Y-axis linear
guide and push-up plate.
2
Remove the grease spattering
prevention cover.
Remove the X-axis grease spattering
prevention cover.
1. Use a Phillips screwdriver to remove the
screws securing the left side of the
grease spattering prevention cover.
2. Move the head all the way to the left
side and remove the screws securing the
right side of the grease spattering
prevention cover.
3. Remove the grease spattering prevention
cover by pulling it to the right.
53305-L2-00
TIP
When reattaching the X-axis grease spattering
prevention cover, use the reverse order of the above
procedure.
Removing the X-axis grease spattering prevention cover
Phillips screwdriver
Square bandage
Grease spattering prevention cover
Step 2
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Periodic maintenance items
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Clean the ball screws.
1. Using the handle, move the head to one
end of each axis.
2. Wipe away the old grease and dirt from
the ball screw with a lint-free cloth or
paper towel (for clean room use).
3. Move the head to the opposite end of
each axis and wipe the ball screw clean.
53307-L2-00
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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 grease to the ball screws.
Use the grease gun to supply the specified
grease (NSL) through the grease nipples
(located on the side opposite to the X-axis
motor). Then move the head back and forth
by hand along each axis and wipe away
excess grease.
53315-L2-00
5
Reattach the covers.
Reattach the grease spattering prevention
covers in the reverse order of the removal
procedures.
Cleaning the X-axis ball screw
Step 3
Cleaning cloth
Greasing the X-axis ball screw
Step 4
Grease nipple for
X-axis ball screw