B - Operations – Transporting – 21 – J
Patent
B - Operations, Transporting
21
J
B21J 3/00 (2006.01) B21K 7/00 (2006.01) C10M 173/00 (2006.01) C10M 173/02 (2006.01)
Patent
CA 2419731
A method of effectively and easily controlling the water base-process type lubricating and processing fluid for cold forging, containing at least one or more types of water-soluble inorganic salt, used for cold forging without forming a chemical conversion coating on a metal surface, comprising the steps of measuring the electric conductivity of the lubricating and processing fluid, and feeding lubricant or water to adjust the electric conductivity to a desirable value before operation.
L'invention concerne un procédé de réglage efficace et simple du fluide de lubrification et de traitement à base d'eau utilisé dans le forgeage à froid. Ce fluide contient au moins un ou plusieurs types de sels inorganiques insolubles dans l'eau, et est utilisé dans le forgeage à froid sans former de revêtement de conversion sur une surface métallique. Ledit procédé consiste à mesurer la conductivité électrique du fluide de lubrification et de traitement, et à injecter un lubrifiant ou de l'eau pour ajuster la conductivité électrique jusqu'à une valeur désirée avant l'utilisation.
Imai Yasuo
Yamaguchi Hidehiro
Yamamoto Mamoru
Yoshida Masayuki
Fetherstonhaugh & Co.
Honda Motor Co. Ltd.
Nihon Parkerizing Co. Ltd.
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