The research of laser marking control technology

Qiue Zhang; Rong Zhang

doi:10.1117/12.840450

21 October 2009 The research of laser marking control technology

Qiue Zhang, Rong Zhang

Proceedings Volume 7515, Photonics and Optoelectronics Meetings (POEM) 2009: Industry Lasers and Applications; 75150S (2009) https://doi.org/10.1117/12.840450
Event: Photonics and Optoelectronics Meetings 2009, 2009, Wuhan, China

Abstract

In the area of Laser marking, the general control method is insert control card to computer's mother board, it can not support hot swap, it is difficult to assemble or it. Moreover, the one marking system must to equip one computer. In the system marking, the computer can not to do the other things except to transmit marking digital information. Otherwise it can affect marking precision. Based on traditional control methods existed some problems, introduced marking graphic editing and digital processing by the computer finish, high-speed digital signal processor (DSP) control marking the whole process. The laser marking controller is mainly contain DSP2812, digital memorizer, DAC (digital analog converting) transform unit circuit, USB interface control circuit, man-machine interface circuit, and other logic control circuit. Download the marking information which is processed by computer to U disk, DSP read the information by USB interface on time, then processing it, adopt the DSP inter timer control the marking time sequence, output the scanner control signal by D/A parts. Apply the technology can realize marking offline, thereby reduce the product cost, increase the product efficiency. The system have good effect in actual unit markings, the marking speed is more quickly than PCI control card to 20 percent. It has application value in practicality.

Citation Download Citation

Qiue Zhang and Rong Zhang "The research of laser marking control technology", Proc. SPIE 7515, Photonics and Optoelectronics Meetings (POEM) 2009: Industry Lasers and Applications, 75150S (21 October 2009); https://doi.org/10.1117/12.840450

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KEYWORDS

Digital signal processing

Laser marking

Signal processing

Computing systems

Control systems

Process control

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