Development of electric rust preventive machining method system - safe water using for machining fluid: Complete removal of bacteria (Enterobacter aerogenes)-

Naohiro Nishikawa, Katsuhiko Omoe, Kenji Murakami, Yusuke Sato, Takekazu Sawa, Yoshihiro Hagihara, Nobuhito Yoshihara, Hiroaki Okawai, Toshirou Iyama, Masahiro Mizuno, Shinya Tsukamoto

Research output: Contribution to journalArticle

Abstract

It is great concern that is environmental load in manufacturing. In machining site, metal working fluid (coolant) such as cutting oil, grinding fluid is used. It contains several chemicals that are oil, surface active agent, extreme pressure additive, antirust agent, antifoaming agent, preservative, biocide etc. It is thought that it is not good for environment and human body. Machining fluid mist and splash contained several chemicals that are cause of danger for worker's health while machining. Furthermore, time elapses, fluid is rotten by bacteria. Bad smell and degradation of machining performance occurs. Therefore, after using machining fluid, waste fluid is disposed. Incineration or coagulative precipitation and landfill etc. are necessary. It arise great disposal cost and environmental load as discharging of huge amount green house gas (CO2 etc.). Then, machining fluid decreasing or non-using is demanded in industry. So, in this investigation, new environmental machining method: the electric rust preventive machining method system that uses only water as machining fluid has been developed. In this paper, water purification recycle system in water machining system development is mentioned. Therefore, complete removal of bacteria (Enterobacter aerogenes) without using chemicals such as biocide is examined for corruption, malodor prevention and safe machining water.

Original languageEnglish
Pages (from-to)897-902
Number of pages6
JournalInternational Journal of Precision Engineering and Manufacturing
Volume14
Issue number6
DOIs
Publication statusPublished - 2013 Dec 1
Externally publishedYes

Keywords

  • Electric rust preventive machining method
  • Enterobacter aerogenes
  • Purification
  • Removal
  • Reverse osmosis membrane
  • Ultraviolet radiation
  • Water machining
  • Water recycle

ASJC Scopus subject areas

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

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