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1 PRODUCT OUTLINE
Lifter (Storage of Braun tubes onto aging rack)
B conveyor
Lifter
Counter-
A conveyor
weight
Reduction
gears
Loader
G1
Servomotor
(with brakes)
Index table (High-accuracy indexing of angle)
PLC
MELSEC-Q
Digital switch
Index table
Worm gears
Inner surface grinder
Servomotor
Motor
Inverter
Servo
amplifier
220VAC
60Hz
PLC
MELSEC-Q
QD75
Unloader
Loader/unloader
Aging rack
C
conveyor
Servo amplifier
G2
Positioning module
QD75
Servomotor
Servo amplifier
AD75
QD75
Detector
Servomotor
Workpiece
1M
G
Grinding stone
Motor
G
1M
Inverter
Fix the grinding
stone, feed the
workpiece, and grind.
Operation panel
a. Total feed
a
d
amount (mm)
b. Finishing
b
e
feed amount (mm)
c
c. Compensation
amount (mm)
PLC MELSEC-Q
Servo
amplifier
d. Rough grind-
ing speed (mm/s)
e. Fine grinding
speed (mm/s)
1 - 6
During the aging process of braun tubes,
storage onto the rack is carried out by
positioning with the AC servo.
The up/down positioning of the lifter is carried
out with the 1-axis servo, and the horizontal
position of the aging rack is positioned with the
2-axis servo.
The index table is positioned at a high accuracy
using the 1-axis servo.
The grinding of the workpiece's inner surface
is controlled with the servo and inverter.
The rotation of the workpiece is controlled with
the 1-axis inverter, and the rotation of the
grinding stone is controlled with the 2-axis
inverter. The workpiece is fed and ground with
the 3-axis servo.
MELSEC-Q
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Troubleshooting
