444CEMM1.pdf - 第107页
Page 1-45 REGULAR MAINTENANCE 1 Check Every 140 Hours (Once a Week) 2. Checking the belt tension Measuring position Measure it at the middle of the span. Measuring method Measure deflection ( δ ) of the belt by pressing …
Page 1-44
Check Every 140 Hours (Once a Week)
1-4-5 Checking and Lubricating the Board Conveyor
NOTICE
This maintenance is current-carrying operation. When you open the safety cover,
the power of XY motor is cut. So be sure to open the safety cover to operate.
Ensure that no trouble on the board transfer belt and roller on the board conveyor.
∗ For DU/DHU specifications, it is necessary to remove the feeder base cover for the maintenance.
“1-2-3 Setting and Removing the Feeder Base Cover (Only for DU/DHU Specifications)”
1. Checking for damage to the belt and the eccentricity of the roller
1. Turn OFF the servo switch.
2. Open the safety cover.
3. Check the belt visually at the end of
each conveyor, by turning it by hand.
After the check, exchange is necessary ;
“1-6-1 Exchanging the Board Transfer Belt
and Roller”
444C-E-MMA01-A06-05
Tools Push-pull gauge and broom Required time 10 minutes
OFF ( )
ON ( )
SERVO
444C-083P
For D/DU
For DH/DHU/DK/DS
4H4C-504P
Page 1-45
REGULAR
MAINTENANCE
1
Check Every 140 Hours (Once a Week)
2. Checking the belt tension
Measuring position
Measure it at the middle of the span.
Measuring method
Measure deflection (δ) of the belt by pressing it at the specified tension (F) with
a push-pull gauge.
Tension and deflection
Adjusting the tension
After the check, if the belt tension is not proper, move the pulley and adjust.
444C-E-MMA01-A06-03
0306C0AA
4H4C-505P
Tension (F)
Push-pull gauge
Deflection (δ)
Tension adjustment hole
Tension adjustment pulley
0305C0AA
443C-327E
royevnocdraobtfeL royevnocdraobthgiR
)N(FnoisneT169.1169.1
noitcelfeD δ )mm(4± 5.04± 5.0
444C-408TE
Page 1-46
Check Every 140 Hours (Once a Week)
3. Cleaning and lubricating the board conveyor
Clean the surroundings of the board holder and the support pin receiver and directly apply the
grease to the width adjustment ball screw and width adjustment linear shaft on the board conveyor.
1. Ensure that the safety cover is
closed, and turn on the servo switch.
2. Select the operation table.
3. Press
UNLOCK
+ .
• The board conveyor moves to the widest width,
and the board holder rises to the exchange
position.
4. Turn OFF the servo switch.
5. Open the safety cover.
6. Pull out all of support pins.
∗ When the accurate positioning is necessary for
setting the support pin, as setting the dual side
mounting, mark the receiver.
∗ You can also pull out the support pin batch
exchange table.
“1-4-4 Cleaning the Support Pin Batch
Exchange Table”
7. Remove dust on the board holder and
support pin receiver with a broom.
To the next page
444C-E-MMA01-A06-07
OFF ( )
ON ( )
SERVO
OFF ( )
ON ( )
SERVO
444C-417P
Support pin
Pin change
Rise
2
1