Makino Milling Machine Company, Ltd

Yoshio Hoshi

Kazumasa Kono

A sliding linear motion guide device that is to be provided between a supporting body and a movable body is provided with: a rail () having a first guiding surface () and second guiding surfaces () which are inclined; a carriage () having a receiving recess for receiving at least part of the rail and having a first sliding surface () facing the first guiding surface of the rail and second sliding surfaces () facing the respective second guiding surfaces; and sliding members () each of which is a thin plate attached to one of the sliding surfaces. The sliding members each have a lubricant pocket () which is a recess surrounded by a land part ().

Sliding linear motion guide device and method for attaching sliding member to carriage of sliding linear motion guide device

In a moving body guiding device which supplies lubricating oil between a guiding surface of a supporting body and a sliding surface of the moving body and guides a moving body, a lubricating oil pocket having a periphery enclosed by a land portion is provided on the sliding surface of the moving body, a closed loop oil groove is formed along the inside of the land portion, a front portion and a rear portion inside the lubricating oil pocket communicate with one another by means of a lubricating oil pocket return passage at least partially opening in the oil groove, and lubricating oil that has accumulated in the rear portion, in a movement direction, concomitant with movement of the moving body, flows to the front portion in the movement direction.

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Aiko-gun, Japan

Yoshio Hoshi