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Author:

石照耀 (石照耀.) (Scholars:石照耀) | 张斌 (张斌.) | 林家春 (林家春.)

Indexed by:

incoPat zhihuiya

Abstract:

一种真空负压的气体静压超精密导轨结构属于精密测量、超精密加工、微型机械和纳米技术等技术领域。导轨通过导轨垫固定在基座上表面上;滑块环抱在导轨上,导轨的两侧面与滑块的内侧面间存在压缩气体气膜间隙,形成静压气浮状态;滑块的下底面上有压缩气体气流小孔和真空腔,滑块内有真空吸附气流孔;其特征在于:滑块设计为对称的封闭式结构,真空腔与滑块具有相同的对称中心线;滑块和基座上表面间存在压缩气体气膜间隙;导轨的上表面和滑块的内上表面间隙尺寸为c,导轨的下表面和滑块的内下表面间隙尺寸为d;c和d为不小于导轨自身重量导致的变形量。导轨的导向精度高,精度保持性好,刚度高。

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Patent Info :

Type: 发明授权

Patent No.: CN200910243655.0

Filing Date: 2009-12-18

Publication Date: 2011-12-14

Pub. No.: CN101737426B

Applicants: 北京工业大学

Legal Status: 未缴年费

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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