Mitsubishi QD75P1N User Manual page 30

1 PRODUCT OUTLINE
Lifter (Storage of Braun tubes onto aging rack)
B conveyor
Lifter
Counter-
A conveyor
weight
Reduction
gears
Servomotor
(with brakes)
Index table (High-accuracy indexing of angle)
Digital switch
Index table
Worm gears
Inner surface grinder
Servomotor
Inverter
Servo
amplifier
220VAC
60Hz
QD75
Loader/unloader
Aging rack
C conveyor
Loader
Servomotor
Servo amplifier
QD75
Detector
Servomotor
Motor
Workpiece
Grinding stone
Motor
Inverter
Fix the grinding stone,
feed the workpiece,
and grind.
Operation panel
a. Total feed
amount ( m)
b. Finishing
feed amount ( m)
c. Compensation
amount ( m)
•
During the aging process of braun tubes,
Unloader
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.
Servo amplifier
QD75
•
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.
d. Rough grind-
ing speed ( m/s)
e. Fine grinding
speed ( m/s)
1 - 6
MELSEC-Q