Mitsubishi QD75M1, User Manual

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MELSEC-Q
1 PRODUCT OUTLINE
Lifter (Storage of Braun tubes onto aging rack)
PLC MELSEC-Q
Servo
amplifier
Servomotor
Aging rack
Lifter
Counter-
weight
A conveyor
Servo
amplifier
Reduction
gears
Servomotor
(with brakes)
QD75
B conveyor
C conveyor
G2
G1
Loader/unloader
Unloader
Loader
•
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.
Index table (High-accuracy indexing of angle)
Detector
Servomotor
Worm gears
Index table
Digital switch
PLC
MELSEC-Q
Servo
amplifier
QD75
•
The index table is positioned at a high accuracy
using the 1-axis servo.
Inner surface grinder
PLC
MELSEC-Q
QD75
Servomotor
Servo
amplifier
220VAC
60Hz
Inverter
Grinding stone
Workpiece
Motor
Fix the grinding
stone, feed the
workpiece, and grind.
Operation panel
a. Total feed
amount (
µ
m)
b. Finishing
feed amount (
µ
m)
c. Compensation
amount (
µ
m)
d. Rough grind-
ing speed (
µ
m/s)
e. Fine grinding
speed (
µ
m/s)
Inverter
G
IM
G
a
b
c
d
e
Motor
IM
G
•
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.