Using standard ball as the measuring benchmark,we don't need object which has good benchmark and testing stick which is very hard to find the right place when installed.
以标准球作为测量基准,较好解决了现场在位测量所需的高精度测量基准问题和检验棒(柱面)安装找正通用性差的问题。
参考来源 - 空气静压主轴回转误差测量技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
最后，分析了游标卡尺测量误差及标准球安装误差对标定结果的影响。
Finally, the influence of the measurementing errors and the positioning errors on the calibration was analyzed.
利用标准球做了对比试验。结果表明，经误差补偿后的非球面检测平台精度明显提高。
The results of a standard ball experiment show th at the accuracy of aspherical surface detection platform is improved using error compensation.
通过用漂浮的PP球更换标准球，重力球形止回阀可以改造为适用于空气或气体排气口。
Gravity ball check may be converted for air or gas venting by replacement of standard ball with floater PP ball.
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