| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric linear actuator and a grease composition which prevent impression and peel-off of ball surfaces and are durable even under severe conditions in use (heavy load, large heat generation, large vibration, etc). SOLUTION: The grease composition which is composed of a base oil and a thickener added to it contains 1-10 mass% in total and 0.5-9.5 mass% individually of one or more kinds selected from carboxylic acids, carboxylic acid salts, ester compounds and amine compounds and antipeeling agent. The electric linear actuator is loaded with the grease composition. COPYRIGHT: (C)2006,JPO&NCIPI |
