Patent ID: 9163195
Filing Date: 2015-10-20
Classification: C10M,C10N

Abstract:
1. A method for lubricating a machine tool sliding guide surface comprising: lubricating a machine tool sliding guide surface with a lubricating oil composition comprising: a lubricating base oil and a mixture and/or a reaction product of (A) 0.01-0.5% by mass of at least one compound selected from among acid phosphates represented by the following formula (1) or (2), and (B) 0.01-2% by mass of an alkylamine represented by the following formula (3), based on the total weight of the composition, wherein the acid value due to component (A) is 0.1-1.0 mgKOH/g and the acid phosphates of component (A) are a mixture of a phosphoric acid monoester and a phosphoric acid diester; wherein R wherein R wherein R