Linear motion guide device

A guiding device and guide rail technology, applied in the direction of linear motion bearings, bearings, bearing components, etc., can solve problems such as early deterioration, and achieve the effect of suppressing pollution and reducing the number of parts
CN104204567AActive Publication Date: 2014-12-10NSK LTD
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
NSK LTD
Publication Date
2014-12-10

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Abstract

Provided is a linear motion guide device comprising a side seal-side space (52) in which a side seal (6) is mounted to a slider (4) and deformation in the slider movement direction is minimized. The side seal (6) comprises a seal lip (48) that comes into slidable contact with an outer surface that includes the rail-side rolling surface (10) of a guide rail. The side seal-side space (52) is arranged more to the slider (4) side than the seal lip (48) and is a space that communicates with a gap (C) formed between the slider (4) and the rail-side rolling surface (10).
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Description

technical field

[0001] The present invention relates to a linear motion guide device used in a machine tool, a semiconductor manufacturing device, a transfer device, and the like as a device for guiding a linearly moving object. Background technique

[0002] As a conventional example of a linear motion guide device used in a machine tool or the like, there is a linear motion guide device described in Patent Document 1, for example. The linear guide device is composed of a guide rail, a sliding body and a plurality of rolling bodies. On the outer surface, the guide rail has rolling element rolling surfaces (rail-side rolling surfaces) extending in the longitudinal direction. The slider has a rolling element rolling surface (slider side rolling surface) formed to face the rolling element rolling surface of the guide rail, and the slider straddles the guide rail so as to be relatively movable along the longitudinal direction of the guide rail via the rolling element.

[0003] ...

Claims

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