YST15_Users_E.pdf - 第165页
3-15 3 Y early maintenance items 3.3 Checking Y -axis movement 1 T ur n the m a c hi n e off . 2 Mo ve the handler on Y -axis to the place where it is easy to work. Open a side door , then move the handler a little upper…
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Yearly maintenance items
3.2 Cleaning the carrier wheels of Y-axis.
1
Turn the machine off.
2
Move the handler on Y-axis to the
place where it is easy to work.
Open a side door, then move the handler a
little upper from the middle on Y-axis so that
it is easy to work.
3
Clean the carrier wheels of Y-axis.
Use cleaning wiper or cotton swabs with a
little IPA to clean the four carrier wheels of
Y-axis slider in each side (total 8 wheels).
Clean whole circumference of wheels with
moving the handler on Y-axis
c
CAUTION
Clean only the parts of wheels which touch in the rail.
Be careful not to put alcohol on bearing parts of the
wheels.
Y-axis career wheels
Step 3
Y-axis career wheels (4 parts each)
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Yearly maintenance items
3.3 Checking Y-axis movement
1
T
ur
n
the
m
a
c
hi
n
e off
.
2
Move the handler on Y-axis to the
place where it is easy to work.
Open a side door, then move the handler a
little upper from the middle on Y-axis so that
it is easy to work.
3
Check if the Y-axis sliders don't
rattle.
Move the handler up and down on Y-axis.
If the Y-axis sliders rattle, or don't move
smoothly,adjust the distance between the
slider and its carrier wheels by the following
procedure.
4
Check if the nuts fixing carrier
wheels are tightened securely.
Use a hex wrench (4 mm) and a wrench (13
mm) to check if the nuts fixing carrier wheels
are tighten securely.
If they are not tighten enough, use a wrench
to tighten nuts with holding carrier wheels
with a hex wrench.
Check the nuts fixing carrier wheels.
Step 4
Nuts fixing career wheel Y-axis slider
Use a wrench to tighten nuts
with holding career wheels
with a hex wrench.
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Yearly maintenance items
n
Adjustment procedure for the distance between Y-axis slider and its carrier wheels.
There are two types of carrier wheels, normal type and eccentric type.
Changing the position of eccentric type wheels can adjust the distance between the slider and it carrier wheels.
Normal type carrier wheels are positioned at rear side of the machine.
Eccentric type carrier wheels are positioned at front side of the machine.
2 types of carrier wheels
Front side
Rear side
Normal type Eccentric type
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1
Loosen nuts for eccentric type
carrier wheels.
Use a wrench (13 mm) to loosen two nuts of
the eccentric type carrier wheels with
holding the wheels with a hex wrench (4
mm).
n
NOTE
It is recommended that a wrench is a box wrench.
2
Adjust the position of the eccentric
type carrier wheels.
1. Rotate a wheel with a hex wrench to
push a wheel onto the stainless rail.
2. While keeping it, tighten the nut with a
wrench to fix the wheel.
3. Repeat for the other wheel to adjust it.
3
Check if Y-axis sliders don't rattle.
Move the handler up and down on Y-axis by
hands to check if Y-axis sliders don’t rattle or
they move smoothly.
Adjust eccentric carrier wheels
Step 2
Stainless rail of Y-axis
1. Use a hex wrench (6 mm) to push
the career wheel onto the rail.
2. Use a wrench (13 mm) to tighten nuts.
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