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Author:

刘志峰 (刘志峰.) (Scholars:刘志峰) | 姜凯 (姜凯.) | 杨聪彬 (杨聪彬.) | 田杨 (田杨.) | 张涛 (张涛.) (Scholars:张涛)

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incoPat zhihuiya

Abstract:

本发明公开了一种基于分形理论的含倾角结合面接触刚度计算方法,由于重型数控机床大自重/大载荷的特点,在长期不均匀载荷作用下导致结构间结合面产生倾角,为了重构倾角下真实接触参数,本发明基于受力特征将宏观倾角接触转换成微观倾角接触考虑到单微凸体变形中,考虑材料弹性/弹塑性和完全塑性变形三个阶段,通过分段积分来计算接触表面的真实面积,基于分型理论推导了结合面刚度模型。本发明通过搭建的含倾角结合面实验系统,对比理论模态与实验模态值验证了该模型的精确性,基于该发明我们分析了分型参数/倾角值等参数对结合面特性的影响规律,为提升重型数控机床精度提供理论依据。

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Patent Info :

Type: 发明授权

Patent No.: CN201910242143.6

Filing Date: 2019-03-28

Publication Date: 2023-04-25

Pub. No.: CN109960883B

Applicants: 北京工业大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 8

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