Mitsubishi Electric A1SD75P1-S3 User Manual page 27

1 PRODUCT OUTLINE
Lifter (Storage of Braun tubes onto aging rack)
B conveyor
Lifter C
conveyor
Counter-
A conveyor
weight
Reduction
gears
Loader
G1
Servomotor
(with brakes)
Index table (High-accuracy indexing of angle)
PLC
MELSEC-A
Digital switch
Index table
Worm gears
Inner surface grinder
Motor
Servomotor
1M
Inverter
Servo
amplifier
Fix the grinding
stone, feed the
AC220V
workpiece, and grind.
60Hz
PLC
Operation panel
MELSEC-A
AD75
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Unloader
Loader/unloader
Aging rack
Servo amplifier
G2
Positioning module
AD75
Servomotor
Servo amplifier PLC MELSEC-A
AD75
Detector
Servomotor
Workpiece
G
Grinding stone
Motor
G
1M
Inverter
a. Total feed d. Rough grind-
a d
amount (mm) ing speed (mm/s)
b. Finishing e. Fine grinding
b e
feed amount (mm) speed (mm/s)
c c. Compensation
amount (mm)
•
During the aging process of Braun tubes,
storage onto the rack is carried out by
positioning with the 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.
Servo
amplifier
•
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.
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MELSEC-A