YRM20_Mainte_E.pdf - 第79页

2. Monthly maintenance items 3-12 Chapter 3 Periodic maintenance items 5 Wipe off t he ex ce ss grease. 1. Mov e the head unit to one end by holding a handle. 2. Wipe off excess grease from the ball screw and nut end fac…

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2. Monthly maintenance items
3-11
Chapter 3 Periodic maintenance items
2.1 X-axis
This section describes the inspection, cleaning, and lubrication procedures for X-axis. For details on the
lubrication points and schedule, see "Chapter 4 Lubricating points". Prepare grease guns (standard nozzle type)
and the specified grease (NSL).
2.1.1 Cleaning/greasing X-axis ball screw
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 detach
the feeder exchange carriage, then open the
machine safety cover.
3. Place a square cloth on Y-axis linear guide
and push-up plate.
2
Detach the grease spattering prevention
cover.
1. Loosen mounting screws for grease
spattering prevention cover (right from
observers' view) using Phillips screwdriver.
And loosen the left mounting screw a little.
2. Move the head unit to left and pull out the
grease spattering prevention cover to right
to remove.
TIP
Reattach the X-axis grease spattering prevention cover by
reversing the above removal procedure.
3
Clean the ball screws.
1. Move the head unit to one end by holding a
handle.
2. Wipe away the old grease and dirt from the
ball screw with a lint-free cloth or similar.
3. Move the head unit to the opposite end and
wipe the opposite-side ball screw.
n
NOTE
When cleaning the ball screw, carefully clean its groove
area as well. After cleaning, make sure that no dust, lint
or debris remains on the ball screw.
4
Apply grease.
1. As shown in the figure at right, move the
head unit manually to one end to be visible.
2. Use a grease gun (standard type) to inject
the prescribed grease at the grease nipple.
n
NOTE
Inject until the grease begins to seep out from the gap
between the ball screw and ball push.
Detaching the spattering prevention cover
Step 2
Grease spattering prevention cover
Phillips screwdriver
Cover mounting screw
53320-KMX-00
Cleaning ball screw
Step 3
Lint-free cloth
Ball screw
53321-KMX-00
Applying grease
Step 4
Grease gun (standard type)
Grease nipple
Ball bush
Ball screw
53322-KMX-00
2. Monthly maintenance items
3-12
Chapter 3 Periodic maintenance items
5
Wipe off the excess grease.
1. Move the head unit to one end by holding a
handle.
2. Wipe off excess grease from the ball screw
and nut end face.
3. Move the head unit to the opposite end and
wipe off excess grease from the ball screw
and nut end face on the opposite side.
6
Perform aging.
1. Retrieve the square cloth.
2. Reattach the spatter prevention cover.
3. Close the machine safety cover and attach
the feeder exchange carriage, then release
the emergency stop.
4. Open the Warm-up screen, and perform
aging operation for about 8 minutes.
e
7
Check the grease condition.
1. After aging operation is finished, press the
emergency stop button, detach the feeder
exchange carriage, and open the machine
safety cover.
2. Remove the grease spattering prevention
cover.
3. Wipe off the grease which has piled on the
ball screw and its end faces.
4. Attach the grease spattering prevention
cover.
c
CAUTION
Repeat Steps 6 and 7 until grease piling no longer occur.
Beginning production with grease piling remains could
cause the grease to spatter.
Wiping off the excess grease
Step 5
Excess grease
53323-KMX-00
2. Monthly maintenance items
3-13
Chapter 3 Periodic maintenance items
2.1.2 Cleaning/lubricating X-axis guide
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 detach
the feeder exchange cover. Then open the
machine safety cover.
3. Place a square cloth on Y-axis linear guide
and push-up plate.
2
Clean the guide.
1. Move the head unit to one end.
2. Using a lint-free cloth or similar, wipe off the
old grease and soiling from the entire guide.
3. Move the head unit to the opposite side and
clean the opposite-side guide.
3
Apply specified grease (NSL) using a
grease gun (standard type) to the grease
nipples of X-axis guide (on upper and
lateral surfaces).
There are 4 grease nipple in total, on both
sides of head.
4
Spread grease to the linear guide by
moving the head unit several times
manually from left-to-right.
n
NOTE
The grease injected into the grease nipples comes out in
the guides as the head moves along the X-axis.
5
Wipe off excess grease that has piled at
both ends of the guides.
6
Apply grease again by following Steps 3
to 6 two more times. Then visually
check that the grease is evenly applied
over the guides.
7
Perform aging operation.
1. Retrieve the square cloth.
2. Close the machine safety cover and attach
the feeder exchange carriage. Then release
the emergency stop.
3. Open the warm-up screen and perform the
aging operation for about 8 minutes.
8
e
Check the grease condition.
1. After the machine has stopped, press the
emergency stop button and detach the
feeder exchange carriage, then open the
machine safety cover.
2. Wipe off the grease that has piled at both
ends of the guides.
c
CAUTION
Repeat Steps 7 and 8 until grease piling no longer occurs.
Beginning production with grease piling remains could
cause the grease to spatter.
Cleaning the guide
Step 2
Lint-free cloth
Guide
53324-KMX-00
Injecting grease
Step 3
Grease gun (standard type)
Grease nipple (upper surface)
Grease nipple (lateral side)
53325-KMX-00