1 PRODUCT OUTLINE

MELSEC-Q

Lifter (Storage of Braun tubes onto aging rack)

 

 

 

 

Unloader

 

 

 

 

Loader/unloader

B conveyor

 

 

Aging rack

 

 

 

Lifter

C

 

 

 

 

 

 

 

 

Counter-

conveyor

 

 

 

 

 

 

 

 

A conveyor

Servo amplifier

weight

 

 

 

 

 

 

 

 

 

 

 

Reduction

 

G2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

gears

 

 

Positioning module

G1

Servomotor QD75

 

 

 

 

 

 

 

 

Servomotor

 

 

 

 

 

 

 

 

 

 

 

(with brakes)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Servo amplifier

PLC MELSEC-Q

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)

PLC

MELSEC-Q

Digital switch

QD75

Servo amplifier

The index table is positioned at a high accuracy using the 1-axis servo.

Index table

 

Detector

Worm gears

Servomotor

Inner surface grinder

 

 

Servomotor

Motor

 

 

 

 

 

 

 

 

 

 

 

 

 

Workpiece

 

 

 

 

 

 

 

 

 

 

 

1M G

 

 

Inverter

 

 

 

 

 

 

 

Grinding stone

 

 

 

 

 

 

 

 

 

 

 

G Motor1M

 

 

 

 

 

 

 

Servo

 

 

Inverter

 

 

 

 

 

 

 

amplifier

 

 

 

 

 

 

 

 

 

 

 

 

220VAC

 

 

 

 

 

 

 

Fix the grinding

 

 

 

 

 

 

 

 

 

 

stone, feed the

 

 

 

60Hz

 

 

 

 

 

 

 

workpiece, and grind.

 

 

 

 

 

 

 

PLC

 

 

 

 

 

 

 

 

 

 

MELSEC-QOperation panel

a. Total feed

d. Rough grind-

 

 

 

 

 

 

 

 

 

 

a

d

amount (mm)

ing speed (mm/s)

 

 

 

 

 

 

 

 

 

 

b

e

b. Finishing

e. Fine grinding

 

 

 

 

 

 

 

 

 

 

feed amount (mm)

speed (mm/s)

 

 

 

 

 

 

 

 

 

 

c

 

c. Compensation

 

 

QD75

 

 

 

 

 

 

 

 

 

amount (mm)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

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Image 26
Mitsubishi Electronics QD75P Lifter Storage of Braun tubes onto aging rack, Index table High-accuracy indexing of angle