摘要
使用卧式测长仪,采用接触测量法来测量外螺纹中径,并对其测量结果的不确定度进行了评定分析。
The external thread pitch diameters were measured with the contact measurement using the horizontal length measuring instrument. The measurement uncertainty was evaluated and analyzed.
出处
《电子产品可靠性与环境试验》
2009年第4期63-65,共3页
Electronic Product Reliability and Environmental Testing
关键词
测量不确定度
螺纹中径
接触测量
三针法
measurement uncertainty
thread pitch diameter
contact measurement
tri-needle method
