Mitsubishi Electric MELSEC-L LD75D, User Manual

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25
CHAPTER 1 PRODUCT OUTLINE
1
1.
1 Pos
itioning
Con
trol
(3) Compact machining center (ATC magazine positioning)
• The ATC tool magazine for a compact machining center is positioned.
• The relation of the magazine's current value and target value is calculated, and positioning is carried out with
forward run or reverse run to achieve the shortest access time.
(4) Lifter (Storage of Braun tubes onto aging rack)
• 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.
Servomotor
Servo
amplifier
Coupling
Reduction
gears
Positioning pin
ATC tool
magazine
Tool
(12 pcs., 20 pcs.)
Rotation direction
for calling
11, 12, 1, 2 or 3
<No. of tools: 20> <No. of tools: 12>
LD75
Current
value
retrieval
position
Current
value
retrieval
position
Rotation direction
for calling
17 to 20, 1 to 5
Rotation direction
for calling 7 to 16
Rotation direction
for calling
5, 6, 7, 8, 9 or 10
LD75
B conveyor
C conveyor
A conveyor
Aging rack
Servo amplifier
Unloader
Loader
Servomotor
Servo amplifier
Servomotor
(with brakes)
Loader/unloader
Lifter
Counter-
weight
Reduction
gears