YS12P_YS12F_Mainte_E - 第103页
3-38 3 Periodic maintenance items 5 Apply grease to the ball scre w and hexagon spline. 1. Apply the specified grease (NSL) with finger uniformly over the sur faces of the hexagon spline and the ball screw while the conv…
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Periodic maintenance items
5.3 Cleaning and lubricating the W-axis
The following describes the cleaning and lubrication procedures for the W-axis. For details about lubrication
points and styles, see "Chapter 5 Lubrication points and schedule".
1
Change the conveyor width to its
maximum width.
1. Press the [Width] button to display the
"Conveyor Width" screen.
2. Enter the maximum value of the conveyor
width in the "Target Width" box and press
the [OK] button. The conveyor width is
changed to the specified width.
543171-L6-10
TIP
The maximum conveyor width is 460 mm or 410 mm as
a standard feature.
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2
Clean the each part of W-axis.
1. Press the emergency stop button and
then open the machine safety cover.
2. If the machine is equipped with a
carriage, remove the carriage to easily
access to the W-axis.
3. Wipe the old grease and soiling from the
W axis ball screw, guide, and the whole
hexagon spline with a lint-free cloth that
does not raise dust.
53367-L6-00
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NOTE
Carefully wipe the lead grooves of the ball screw during
the cleaning work. Additionally, make sure that any dirt
is not produced.
3
Change the conveyor width to its
minimum width.
1. Close the machine' safety cover, and
cancel the emergency stop. In case the
specification has a carrier, set the carrier.
2. Press the [Width] button to display the
"Conveyor Width" screen.
3. Enter the minimum value of the conveyor
width "50 mm" in the "Target Width" box
and press the [OK] button. The conveyor
width is changed to the specified width.
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4
Clean the rest of the part.
1. Press the emergency stop button and
then open the machine safety cover.
2. If the machine is equipped with a
carriage, remove the carriage to easily
access to the W-axis.
3. Wipe off the remaining grease or soiling
describes in Step 2 with a lint-free cloth.
53368-L6-00
Step 1
Changing the conveyor width
[Width] button Enter the maximum conveyor width.
Step 2
Cleaning the W-axis
Ball screw
Cleaning cloth
Hexagon spline
Guide
Step 4
Cleaning the W-axis 2
Wipe off remaining grease or soiling.
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Periodic maintenance items
5
Apply grease to the ball screw and
hexagon spline.
1. Apply the specified grease (NSL) with
finger uniformly over the surfaces of the
hexagon spline and the ball screw while
the conveyor is the minimum width.
2. Close the machine' safety cover, and
cancel the emergency stop. In case the
specification has a carrier, set the carrier.
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3. Change the conveyor to the maximum
width with the procedure of Step 1.
4. Press the emergency stop button and
then open the machine safety cover.
5. If the machine is equipped with a
carriage, remove the carriage to easily
access to the W-axis.
6. Apply grease to the positions where the
grease could not be applied in 1.
53369-L6-00
6
Apply grease to the guide.
Use the grease gun (with standard nozzle) to
supply the specified grease (NSL) to the
grease nipples.
53370-L6-00
7
Spread the grease.
1. Close the machine' safety cover, and
cancel the emergency stop. In case the
specification has a carrier, set the carrier.
2. Change the conveyor width from
maximum to minimum several times with
the procedures of Step 1 and 3.
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8
Wipe away excess grease.
1. Press the emergency stop button and
then open the machine safety cover.
2. If the machine is equipped with a
carriage, remove the carriage to easily
access to the W-axis.
3. Wipe all excess grease from end faces of
hexagon spline, the ball screw and the
guide.
Step 5
Applying grease
Grease
(Apply grease in a uniform manner.)
Greasing the guide
Step 6
Grease gun
Grease nipple
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Periodic maintenance items
6. One-year inspection
6.1 Checking the R-axis spline belt condition
There are 2 R-axis spline belts. Check the condition of each belt.
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R-axis spline belt checkpoints
• Is the belt becoming frayed due to cracks and belt wear?
• Is the belt splitting due to cracks or deterioration?
• Is the belt tension too loose? Is the belt itself loose?
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CAUTION
If trouble occurs with an R-axis spline belt, contact YAMAHA sales representative. Disassembly and cleaning of the
spline belt by the user will void the warranty.
Spline for Head 1
Spline belt
R-axis belt (upper belt)
R-axis belt (lower belt)
Belt tensioner
Belt tensioner
Belt tensioner
Belt tensioner
R-axis motor
53345-L6-00