spiral rule

The measurement methods and the computing formulas of standard gear helix master helix angle are analyzed,on these basis the source and assessing method of uncertainty in measurement helix angle are particularly dissertated.

分析了标准齿轮螺旋线样板螺旋角的测量方法及计算公式,在此基础上讨论了螺旋角测量不确定度的来源和评定方法,最后通过实验数据,对螺旋角的测量不确定度的评定方法进行了实例分析。

According to the calibration results, this new gear measurement center could meet all the calibration re quirements of the measurement of grader profile master, helix master and class 2 gear.

中国计量科学研究院的校准结果表明,该测量中心具备了很好的测量重复性和很高的精度,可以满足一等渐开线样板、螺旋线样板和二级齿轮的检定要求。

The instrument bus technology and gear helix master calibration device's measuring principles are introduced.

介绍了仪器总线技术以及齿轮螺旋线样板校准装置的测量原理,给出了螺旋线样板校准装置的系统结构,阐述了通过GPIB总线和RS-232C串口通讯方式实现运动控制和数据采集的方法。