YSM20_YSM20W_Mainte_E.pdf - 第168页
6-15 6 How to replace consumable parts 8 Detach the belt from the conv ey or . Detach the conveyor belt through the clearance between the shaft and drive pulley. Go on to Step 11. n Replacing the conveyor belt (Other tha…
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6
How to replace consumable parts
n
Differences in conveyor belt replacement depending on the machine stage type
Regarding W2 and W3 conveyor belts of YSM20 Dual-stage type, the belt replacement procedure is different from other
conveyor belts. For replacement procedures other than W2/W3 conveyor belts of YSM20 Dual-stage type, go on to Step 9.
n
Replacing the conveyor belt (YSM20 Dual-stage W2,W3)
5
Move the conveyor U-axis.
1. Close the machine safety cover and
cancel the emergency stop. Set the
carriage if the machine is the carriage
type.
2. Press the [Mount Position] button on the
[Setup] screen to move the conveyor to
the component mounting position.
e
3. Press the emergency stop button and
then open the machine safety cover.
4. Detach the carriage if the machine is the
carriage type.
5. Moving the U-axis belt manually moves
the entire conveyor. For the W2-axis, fully
move the conveyor to the rear side by
moving the U-axis belt in the direction
indicated by an arrow shown in the
figure on the right. For the W3-axis, fully
move the conveyor to the front in the
same manner.
6
Separate the shaft.
Remove the bolt from the shaft (for the
pulley position, see the figure shown in Step
4) with a hex wrench (3).
7
Pull out the shaft from the belt
drive pulley.
Pull the shaft toward the front for the W2-axis
or the rear for the W3-axis to pull it out from
the drive pulley completely.
n
NOTE
When pulling out the shaft, the drive pulley is easy to
remove. Therefore, pull out the shaft while holding the
pulley manually.
W2-axis
W3-axis
Moving the conveyor U-axis
Step 5
53624-N2-00
Removing the shaft
Step 6
Shaft
Bolt
53630-N2-00
Drive pulley
Shaft
Pulling out the shaft from the drive pulley
Step 7
53625-N2-00
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6
How to replace consumable parts
8
Detach the belt from the conveyor.
Detach the conveyor belt through the
clearance between the shaft and drive
pulley.
Go on to Step 11.
n
Replacing the conveyor belt (Other than YSM20 dual-stage W2,W3)
9
Separate the shaft from the drive
pulley.
Remove the bolt from the belt drive pulley
(for the pulley position, see the figure shown
in Step 4) with a hex wrench (3), and then
pull out the shaft to make a clearance.
0
Detach the belt from the conveyor.
Detach the conveyor belt through the
clearance between the shaft and drive
pulley.
Detaching the conveyor belt
Step 8
53626-N2-00
Removing the shaft
Step 9
Shaft
Bolt
Drive pulley
53618-N2-00
Detaching the conveyor belt
Step 10
53629-N2-00
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6
How to replace consumable parts
q
Clean the belt guides and pulleys.
1. Use a vacuum assembly (option) to suck
the belt wear debris on the belt guides
and sensors, etc.
2. Use a plastic spatula or similar tool to
remove the belt wear debris adhering to
the outer peripheral surface of the
pulleys.
3. Use a brush or similar tool to remove the
belt wear debris caught in the belt
guides.
c
CAUTION
Use a plastic spatula and brush to avoid scratching the
pulleys and guides.
c
CAUTION
Do not use a solvent (IPA, etc.) unless the guides and
pulleys are excessively dirty. If using a solvent, be
careful not to spill the solvent on the bearing in the
pulleys during cleaning.
w
Replace the conveyor belt.
1. Reattach a new belt temporarily while
putting it on the pulley.
2. (Dual-stage: W2, W3) Pass the drive
pulley through the shaft.
3. Loosen the mounting bolt and connect
the shaft.
4. Move the bracket (YSM20W Single-lane:
pulley) to the position marked in Step 4
and install the mounting bolts.
5.
If looseness of the belt is found, adjust the
bracket (pulley) position to apply tension.
c
CAUTION
The followings are tightening torques of the tensioner
mounting bolts. Do not tighten the bolt excessively.
Pulley bracket mounting bolt : 3.8 N•m.
Pulley mounting bolt : 5.5 N•m.
Cleaning the belt guide and pulley
Step 11
Spatula
(made of plastic)
Belt guide
Belt wear debris
sticking to pulley
Brush
Outer peripheral
surface of pulley
Belt guide
Outer peripheral
surface of pulley
53620-N2-10