Machining fluid composition and method of machining

Details Machining fluid composition and method of machining Machining fluid composition and method of machining

C - Chemistry, Metallurgy

10

M

C10M 173/00 (2006.01) C10M 149/12 (2006.01)

Patent

CA 2230715

An aqueous machining fluid composition having improved resistance to microorganisms is provided. The fluid composition comprises in admixture: a) water, b) a water insoluble organic lubricant, c) a surface active agent selected from the group consisting of nonionic, anionic having up to and including 12 carbon atoms, and cationic surfactants and mixtures thereof and d) a water soluble polyquaternary cationic biocide. Machining processes comprising the step of supplying said aqueous machining fluid to the interface between the tool and the workpiece are also provided.

L'invention porte sur la composition d'un liquide aqueux d'usinage présentant une résistance accrue aux micro-organismes et comprenant en admixtion (a) de l'eau, (b) un lubrifiant organique non hydrosoluble, (c) un tensio-actif choisi dans un groupe comprenant des surfactants non ionique ou anionique comportant jusqu'à et y compris 12 atomes de carbone, et des surfactants cationiques et leurs mélanges, et (d) un biocide cationique polyquaternaire hydrosoluble. L'invention porte également sur des techniques d'usinage consistant à introduire ledit liquide d'usinage dans l'intervalle compris entre l'outil et la pièce à usiner.

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