YSM40R_Mainte_E.pdf - 第92页

3-22 3 Periodic maintenance items 8 Clean the linear scale. Use a dry cloth to dry-wipe the linear scale. If significant soiling exists, use an IP A to wipe it in one direction, then dry-wipe the area. 53320-N9-00 c CAUT…

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Periodic maintenance items
2.1.3 Cleaning/Lubricating Y-axis guides, Cleaning linear scale (4-beam type)
1
Prepare for work.
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1. Remove all items sensitive to magnetic fields such as wristwatches and magnetic ID cards.
2. Press the emergency stop button and then open the machine safety cover.
3. Use the CLAMP ON/OFF switch to lower the feeder exchange carriage and detach it.
4. Place a square cloth on each Y-axis linear guide and push-up plate.
2
Clean the guide.
1. Move the Y-axis to one end, then use a
paper cloth which produces no lint, etc.,
(clean room type) to wipe the entire
guide.
2. Move the Y-axis to the opposite side and
wipe the opposite-side guide.
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3
Inject the grease.
Using a grease gun (standard type), inject
the prescribed grease (NSL) at the Y-axis
guide's grease nipples (4 nipples).
1. Apply grease to 2 nipples at front bottom
side and rear bottom side.
2. Apply grease to 2 nipples at front top
side and rear top side.
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4
Spread the grease.
Move the head back and forth several times
manually along the Y-axis to spread grease
over the guides.
n
NOTE
The grease injected into the grease nipples comes out
in the guides as the head moves along the Y-axis.
5
Wipe off excess grease.
Wipe off excess grease that has collected at
both ends of the guides.
6
Apply grease again.
Repeat Steps 3 to 5 two more times. Then
visually check that the grease is evenly
applied over the guides.
7
Perform a warm-up.
1. Remove the square cloth.
2. Close the cover, attach the feeder
exchange carriage, then release the
emergency Stop.
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3. Open the Warm-up screen, and perform
the warm-up operation for about 8
minutes. After the machine stops, wipe
off grease which has collected on the
guide and the guide end face.
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CAUTION
Repeat Step 7 until grease accumulations no longer
occur. Beginning production with grease accumulations
present could cause the grease to spatter.
Cleaning the guide
Step 2
Cleaning cloth
Guide
Injecting the grease
Step 3
Front bottom, rear bottom
Front top, rear top
Grease gun (standard)
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Periodic maintenance items
8
Clean the linear scale.
Use a dry cloth to dry-wipe the linear scale.
If significant soiling exists, use an IPA to wipe
it in one direction, then dry-wipe the area.
53320-N9-00
c
CAUTION
When cleaning the linear scale, use care to avoid
rubbing it with excessive force.
Cleaning the linear scale
Step 8
Cloth
Linear scale
Wipe in one direction.
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Periodic maintenance items
2.2 X-Y axis (2-beam type)
This section describes the inspection, cleaning, and lubrication procedures for 2-beam type machines. For
details on the lubrication points and schedule, see "Chapter 5 Lubricating points". Prepare grease guns
(standard nozzle and bent nozzle types) and the specified grease (NSL).
2.2.1 Cleaning/greasing X-axis ball screw (2-beam type)
1
Prepare for work.
e
1. Remove all items sensitive to magnetic fields such as wristwatches and magnetic ID cards.
2. Press the emergency stop button and then open the machine safety cover.
3. Use the CLAMP ON/OFF switch to lower the feeder exchange carriage and detach it.
4. Place a square cloth on each Y-axis linear guide and push-up plate.
2
Detach the grease spattering
prevention cover.
Detach the X-axis grease spatter prevention
cover.
1. Loosen mounting screws for grease
spattering prevention cover (motor side)
with Phillips screwdriver.
2. Move the head unit to the motor side.
3. Remove mounting screws for grease
spattering prevention cover at the side
opposite to motor side with Phillips
screwdriver. Then pull out the grease
spattering prevention cover.
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TIP
Reattach the X-axis grease spatter prevention cover by
reversing the above removal procedure.
3
Clean the ball screws.
1. Move the head unit to one end.
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 unit to the opposite end
and wipe the opposite-side ball screw.
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NOTE
When cleaning the ball screw, carefully clean its
groove area as well. After cleaning, make sure that no
dust, lint and debris remain on the ball screw.
4
Apply grease.
1. As shown in the figure at right, move the
head unit by hand to a position where
the grease nipple is visible through the
access window.
2. Use a grease gun (30° bend type) to
inject the prescribed grease at the
grease nipple.
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NOTE
Inject until the grease begins to seep out from the gap.
Detaching spatter prevention cover
Step 2
Grease spattering prevention cover
Cover mounting screws
Cleaning the ball screw
Step 3
Cloth
Ball screw
Applying grease
Step 4
Grease nipple
Grease gun
(30° bent type)