期刊
OPTICS AND LASER TECHNOLOGY
卷 146, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2021.107551
关键词
Diode Lasers; Laser Diode Arrays (LDA); Digital Printing; Industrial Control; Industry 4; 0; Laser Applications; Optical fibers; Real-Time Systems; Reconfigurable Architectures; Semiconductor Laser Arrays
资金
- Catalan Government projects [2015-DI-022, 2017SGR1624]
- Spanish Ministry of Science, Innovation and Universities grant [RTI2018-095209-B-C22]
This paper presents a system using a matrix of laser beams controlled by high-performance computing platform to overcome the speed bottleneck in laser marking. Industrial solutions presented in this paper can achieve higher speed and resolution for image printing on printing substrates. Further increase in speed is possible by investing in additional laser beams.
The creation of visible changes marked onto object surfaces by laser has become an effective way of coding industrial products. Industrial applications for printing solutions drive the demand for higher speed and higher throughput for in-line digital laser marking. Currently, most laser marking equipment is based on a single laser beam with the corresponding sequential processing that culminates in a performance bottleneck which limits printing production line speed to a de facto barrier of 8 m/s. In this paper, we present a system that overcomes this barrier by using a matrix of laser beams controlled by an embedded high-performance computing platform. The industrialized solutions presented in this paper can print images of 50 to 200 dpi resolution on printing substrates widths ranging from 6 mm to 50 mm, at product line speeds of up to 16 m/s. The analysis we have performed suggests that even higher speeds could be achieved by investing in additional laser beams.
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