|
|
Article: Welding with digital controls: new technology allows more precision and less variation.(Plastics Assembly)
- Article from:
- Assembly
- Article date:
- February 1, 2008
- Author:
CopyrightCOPYRIGHT 2008 BNP Media. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
|
Digital technology has transformed the way that end users program and interact with everything from printing presses to slot cars. Traditionally, analog controls are mechanically adjusted by physically turning a knob or adjusting a dial.
[ILLUSTRATION OMITTED]
Digital controls use microchips and sensors to transmit signals via a keypad or a touch-screen. Data and functions are managed precisely at very fast speeds. Data-carrying signals are electronic or optical pulses. The amplitude of each signal represents a logical 1 (pulse present and/or high) or a logical 0 (pulse absent and/or low).
More welding equipment is now equipped with digital ...