Mitsubishi Electric MELSEC-Q Series - Page 38

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Chapter 1 Product Outline
Lifter
QD77GF
Servo
amplifier
Servo
amplifier
Servomotor
(with a brake)
Servomotor
B conveyor
Lifter
A conveyor
C conveyor
Counter-
weight
Aging rack
G1
G2
Reduction
gear
Unloader
Loader/unloader
Loader

During the aging process, 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)
QD77GF
Servo
amplifier
Digital switch
Worm gears
Detector
Servomotor
Index table

The index table is positioned at a high accuracy
using the 1-axis servo.
Inner surface grinder
Servo
amplifier
Inverter
Inverter
Servomotor
Motor
IM
G
Workpiece
Grinding stone
Motor
IM
G
G
QD77GF
A
C220V
60H
z
Operation panel
a
b
c
d
e
Fix the grinding
stone, feed the
workpiece, and grind.
a. Total feed
amount (
m)
b. Finishing
feed amount (
m)
c. Compensation
amount (
m)
d. Rough grind-
ing speed (
m/s)
e. Fine grinding
speed (
m/s)

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.