压电式四向无定心钻削测力仪的研制
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河南省高等学校青年骨干教师资助计划基金资助项目(2011GGJS 140),河南省科技厅科技攻关基金资助项目(112102210413)

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Manufacture of the Four Component No centering Drilling Dynamometer
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    摘要:

    根据“力偶矩在平面内移动,其值不变”原理研制出新型压电式四向无定心钻削测力仪。轴向力和切向力分别采用两片X0°和Y0°晶片对装;扭矩采用4对Y0°晶片均布在同一分布圆上,各晶片电荷灵敏度方向与分布圆相切,即可实现无定心扭矩测量。标定结果表明,该测力仪轴向力、径向力和扭矩的线性度和重复性均小于1%,横向干扰小于5%,完全达到了石英力传感器的使用要求。

    Abstract:

    Based on “the couple can arbitrarily move in the application plane, its value remains unchanged”, a new type of four component no centering drilling dynamometer is designed. The thrust measuring cell is made of two X0°Cut quartz discs, and the radial force measuring cell consists of two Y0°Cut quartz discs. Four pairs of Y0°Cut quartz discs, whose maximum sensitivity directions are tangent to the distribution circle, constitute the no centering torque measuring cell. The static calibration results show that both the linearity and repeatability of the thrust, radial force and toque are less than 1%, and the cross talks are also less than 5%, which have full reached the application requirements of piezoelectric quartz sensor.

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高长银,刘江.压电式四向无定心钻削测力仪的研制[J].压电与声光,2012,34(6):857-859. GAO Changyin, LIU Jiang. Manufacture of the Four Component No centering Drilling Dynamometer[J]. PIEZOELECTRICS AND ACOUSTOOPTICS

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  • 在线发布日期: 2012-11-23
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