JUKI FX-3R MAINTENANCE GUIDE.pdf - 第83页
FX-3R Maintenance Guide DANGER To prevent any trouble caused by accidental machine start, always shut-down the power before starting the maintenance and adjustment work. [8] FEEDER BANK, REPLACEMEN T T ABLE AND ELECTRIC …
FX-3R Maintenance Guide
7-3
Rev. 1.00
7-3. Adjusting the Speed Controller
1) Rotate the knob of the speed controller to adjust the opening/closing time of the slide plate to
the standard adjustment value.
(As a guide, rotate the knob about two and a half turns from the fully closed position.)
2) After adjustment, fix the knob.
Check the slide plate opening/closing time on the Manual Control screen.
Standard value: Slide plate opening/closing time 80 ± 5 msec.
FX-3R Maintenance Guide
DANGER
To prevent any trouble caused by accidental machine start, always
shut-down the power before starting the maintenance and
adjustment work.
[8] FEEDER BANK, REPLACEMENT TABLE AND ELECTRIC BANK
(OPTIONAL)
8-1. Common Parts and Units for Mechanical Feeder and Electric Feeder
8-1-1. Replacing the Bank-Up Cylinder
1) Turn off the power to the main unit.
2) Turn on the selector switch, and the left and right roller levers to raise the bank lifter.
3) Loosen the lifter cylinder shaft to detach the bank-up cylinder (cylinder to be replaced).
4) Shut-down the main compressed air to the main unit (with the hand valve).
5) Remove the lifter supporter assembly mounting screws.
6) Pull out the bank lifter upward. (Bank lifter to be replaced)
7) Remove four bank-up cylinder mounting screws to detach the cylinder.
8) Mount the speed controller on a new cylinder.
9) Mount the cylinder and insert the bank lifter from the top.
10) Screw the lifter cylinder shaft into the cylinder rod.
11) Mount the lifter supporter.
12) Supply the main compressed air to the main unit.
13) Adjust the speed controllers of the left and right cylinders.
(Section 8-6.)
14) Mount the replacement table on the main unit.
15) Turn on the power.
8-1
Rev. 1.00
40047264
Bank lifter RS
40047265
Bank lifter LS
40047263
Lifter cylinder shaft 85
40047261
Lifter guide shaft 25
PA630850100
Air cylinder
Figure 8-1-1-1 Back-Up Cylinder Related Parts
Figure 8-1-1-2 Lifter Supporter
FX-3R Maintenance Guide
8-2
8-1-2. Adjusting the Speed Controller of the Bank-Up Cylinder
(Optional Replacement Table)
1) For the speed controllers of the right side
cylinder, adjust those of the fixed and left side
cylinders.
2) The speed controllers have been set so that
the bank-up cylinder completes ascent
operation in 3.8 to 4.2 seconds, descent
operation in 2 to 2.5 seconds. (When
assembled)
• UP speed : To be adjusted by the
upper speed controller.
Upper speed
controller
Lower speed
controller
Figure 8-1-2-1 Back-Up Cylinder
Positions
If the up speed of the left cylinder is too fast,
turn the speed controller adjustment screw
clockwise.
• DOWN speed: To be adjusted by the lower
speed controller.
If the down speed of the left cylinder is too
fast, turn the speed controller adjustment
screw clockwise.
3) If the up and down speeds of the left and right cylinders are the same, lock the adjustment
screws of the speed controllers with the lock screws.
4) After the adjustment screws have been locked, recheck the up and down speeds.
8-1-3. Replacing the Bank-Up Detection Sensor
(Optional Replacement Table)
1) Turn off the power to the main unit.
2) Lower the lifter.
3) Loosen the fixing screws, remove the sensor
and replace it with a new one.
4) Reassemble the components in the reverse
order of disassembly.
<Adjustment>
1) Turn on the power to the main unit.
2) Make sure that there is a 0.9mm gap
between the bank sensor dog and sensor
as shown on the right.
Figure 8-1-3-1 Back-Up Detection Sensor
Rev. 1.00