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LCD Panel Loader/Unloader

Flat Panel Display Production

Korea

Introduction

LCD screens have replaced CRT’s as the preferable choice for computer monitors, and

increasingly, TV’s as well. Therefore, LCD production is currently one of the fastest growing

product categories in the consumer electronics market, and rapid growth is expected for

many years to come. Due to rapid technology development and competitive pressure, an LCD

manufacturer in Taiwan switched from a proprietary to a PC-based control system to track

production and utilization information in real-time. This new motion integration control system

not only reduces standby time, but also decreases data acquisition time to improve quality

control.

Project Requirements

Proprietary control is a very cumbersome

technology. It not only operates under an unpopular

and sophisticated programming language, but it

also consumes a large amount of time for control

changes. Furthermore, the price of maintaining

proprietary control is quite expensive compared

to PC-based control. These lead to inefficient and

expensive manufacturing processes.

In order to set up a flexible and PC-based motion

control system, the following components are

required:

•

High-speed motion control card to accurately

control the robotic arm as it moves LCD panels

between storage and processing

•

Slave module with digital inputs to capture

information from sensors that detect the

position of the panels on the conveyor belt

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