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Author:

程强 (程强.) (Scholars:程强) | 牛鹏 (牛鹏.) (Scholars:牛鹏) | 张涛 (张涛.) (Scholars:张涛) | 李迎 (李迎.) | 程艳红 (程艳红.) | 章子玲 (章子玲.)

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incoPat zhihuiya

Abstract:

本发明公开了一种机床直线轴的垂直直线度与角度误差预测建模方法,首先通过概率统计与"3σ"产品合格检验准则,利用制造误差为幅值的正弦函数表征导轨制造表面曲线;基于有限元分析揭示导轨群组螺栓特定装配工序下的预紧力分布规律,提出一种超静定分析的导轨装配变形模型。最后,综合考虑制造与装配的叠加效应,建立导轨空间轮廓曲线方程。进而,根据几何变换关系,计算机床直线轴的垂直直线度与角度误差。本发明通过对导轨制造与装配过程的相关设计参数开展不确定分析,得到的导轨空间轮廓曲线比传统研究中规律性、周期性的正弦函数假设更为精确,本发明对机床原始的设计方案优化与几何精度的提升奠定了理论基础。

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Patent Info :

Type: 发明申请

Patent No.: CN202211218760.0

Filing Date: 2022-10-07

Publication Date: 2022-12-09

Pub. No.: CN115455611A

Applicants: 北京工业大学

Legal Status: 实质审查

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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