变载荷对转台测角偏差的影响量化研究

doi:10.3969/j.issn.1000-1158.2018.z1.07

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摘要针对角位置转台变载荷工作状态,研究变载引入圆光栅与回转轴的位置关系变化,进而引入角位置测量偏差(测角偏差)的作用机理,推导测角偏差与偏心、偏斜量函数关系。开展数值仿真实验,量化分析变载引入测角偏差的理论幅度值与傅立叶级数阶次分布。开展变载转台原位校准实验,得到不同载荷状态下的转台测角偏差,分析实际幅度值与傅立叶级数阶次分布,最终展示了典型变载状态对转台测角偏差的影响效果并验证了理论分析结果。

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	侯嘉
	薛梓
	黄垚
	叶树亮

关键词 ：计量学, 转台, 变载荷, 角位置测量偏差, 校准

Abstract：The load of angular position rotary table is always varying in practical working condition. The mechanism was studied on how the varying load affects the position relation between scale disc and rotary axle, and then affects the angular measuring deviation. Both of the functional relations of eccentricity-angular deviation and inclination-angular deviation were deduced. The numerical simulation experiment was carried out to obtain the ideal deviation amplitude and the Fourier components order distribution under the conditions of different eccentricity and inclination. At meantime, the in-situ calibration experiment was carried out to obtain the practical deviation amplitude and the Fourier components order distribution under the condition of varying load. Finally, the effect of typical varying load on angular measuring deviation was presented and the theoretical analysis was proved.

Key words： metrology rotary table varying load angle position measurement deviation calibration

PACS:

TB922

基金资助:国家重点研发计划(2017YFF0204901)

作者简介: 侯嘉(1993-), 女, 吉林吉林人, 中国计量大学在读硕士研究生, 主要研究方向为事角度计量技术。houjiazy@126.com

引用本文:

侯嘉,薛梓,黄垚,叶树亮. 变载荷对转台测角偏差的影响量化研究[J]. 计量学报, 2018, 39(6A): 33-.
HOU Jia,XUE Zi,HUANG Yao,YE Shu-liang. Influence of Varying Load on Angle Mesurement Deviation of Rotary Table and Self Calibration Comprehension. Acta Metrologica Sinica, 2018, 39(6A): 33-.

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http://jlxb.china-csm.org:81/Jwk_jlxb/CN/10.3969/j.issn.1000-1158.2018.z1.07 或 http://jlxb.china-csm.org:81/Jwk_jlxb/CN/Y2018/V39/I6A/33