444CEMM1.pdf - 第106页
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 …
Page 1-43
REGULAR
MAINTENANCE
1
444C-E-MMA01-A06-07
Check Every 140 Hours (Once a Week)
6. Pull out the support pin batch ex-
change table.
∗ Pull it slowly by both hands.
∗ Be careful not to fall the foreign body in the
LED light (line camera) nor hit it.
7. Remove the foreign bodies on the
board holder with a cleaning brush.
8. Insert the support pin batch exchange
table.
∗ Be sure to ensure that the support pin batch
exchange tables are fit in the groove and
inserted as far as it will go.
9. Close the safety cover.
10. Turn ON the servo switch.
11. Press
UNLOCK
+ .
• The board holder moves down to the origin.
∗ Be sure to set two support pin batch exchange
tables.
Otherwise, the weight balance will be lost to
affect the up-and-down action or the flatness of
the support pins will be deteriorated to affect
the mounting accuracy.
Support pin batch
exchange table
LED light
OFF ( )
ON ( )
SERVO
Pin change
Down
444C-107P
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