METAL WORKING FLUID AND METHOD FOR METAL WORKING

PROBLEM TO BE SOLVED: To prevent discoloration or emission of malodors in a metal part subjected pressing working, etc., with a working fluid in which a sulfur-based extreme pressure agent is added by a simple and inexpensive means. SOLUTION: The working fluid comprises the sulfur-based extreme pres...

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Bibliographische Detailangaben
Hauptverfasser: ANDO HIROHITO, KACHI TAKASHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To prevent discoloration or emission of malodors in a metal part subjected pressing working, etc., with a working fluid in which a sulfur-based extreme pressure agent is added by a simple and inexpensive means. SOLUTION: The working fluid comprises the sulfur-based extreme pressure agent and further one or two or more kinds of surfactants and/or one or two or more kinds of anti-oxidants. A method for metal working is carried out by using the metal working fluid. The content of the surfactants is especially preferably within the range of 0.1-50 wt.% and the content of the anti-oxidants is especially preferably within the range of 0.1-30 wt.%. COPYRIGHT: (C)2008,JPO&INPIT