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Efficient way to clean Solder Printer Nozzles

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2022, 27(11), pp.115-121
  • DOI : 10.9708/jksci.2022.27.11.115
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science
  • Received : September 23, 2022
  • Accepted : October 19, 2022
  • Published : November 30, 2022

Young-Min Kim 1,  Chi-Su Kim 2

1주식회사 이지에스
2공주대학교

Accredited

ABSTRACT

In surface mount technology (SMT), the screen printer, which is an equipment for applying solder cream, has a lot of poor coating as the pad becomes smaller. To solve this problem, a jet printer is being used recently. However, if the nozzle at the end of the valve applied to the jet printer head is not cleaned, solder cream remains or an error occurs. To prevent this, the nozzles should be cleaned periodically. In this paper, a more stable cleaning method than the existing technology is presented for the stable application of solder cream on a jet printer. In this method, cut a 35mm wide mujin cloth, wrap it in a roll, and rotate it with a DC geared motor on the other side to clean it. As a result, it was confirmed that the solder paste was not left on the nozzle surface and was well wiped when cleaning with about 2,000 dotting cycles.

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* References for papers published after 2023 are currently being built.

This paper was written with support from the National Research Foundation of Korea.
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