Mitsubishi Electronics QD75MH2 Manuel D’Utilisation
1 - 6
MELSEC-Q
1 PRODUCT OUTLINE
Lifter (Storage of Braun tubes onto aging rack)
PLC MELSEC-Q
Servo
amplifier
amplifier
Servomotor
Aging rack
Lifter
Counter-
weight
weight
A conveyor
Servo
amplifier
amplifier
Reduction
gears
gears
Servomotor
(with brakes)
(with brakes)
QD75MH
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.
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.
position of the aging rack is positioned with the
2-axis servo.
Index table (High-accuracy indexing of angle)
Detector
Servomotor
Servomotor
Worm gears
Index table
Digital switch
PLC
MELSEC-Q
MELSEC-Q
Servo
amplifier
amplifier
QD75MH
•
The index table is positioned at a high accuracy
using the 1-axis servo.
Inner surface grinder
PLC
MELSEC-Q
MELSEC-Q
QD75MH
Servomotor
Servo
amplifier
amplifier
220VAC
60Hz
60Hz
Inverter
Grinding stone
Workpiece
Motor
Fix the grinding
stone, feed the
workpiece, and grind.
stone, feed the
workpiece, and grind.
Operation panel
a. Total feed
amount (
µm)
b. Finishing
feed amount (
µm)
c. Compensation
amount (
µm)
d. Rough grind-
ing speed (
µm/s)
e. Fine grinding
speed (
µm/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.
grinding stone is controlled with the 2-axis
inverter. The workpiece is fed and ground with
the 3-axis servo.