精密滚珠丝杠副是数控机床的关键功能部件，研究高精度的丝杠螺距精度动态测量方法和仪器组成具有重要的理论意义和实际应用价值。
Studying the means and the apparatus composing in high precise dynamic measure of screw-pitch error have important academic meaning and practical applied value.
该方法可测量螺纹的锥度、螺距、螺纹夹角和螺纹高度，测量精度可以满足工业测量要求。
The equations for thread taper, thread pitch, thread angle and height of thread can be derived on the base of fitted lines, which are accurate enough to meet the needs of industrial measurement.
用本方法可以快速地选择挂轮和螺距，达到了较高的加工精度，在生产中具有实际意义。
In this new way, a group of change gears and pitch can be selected and higher machining accuracy obtained. It is practical in production.
运用先进的高科技雷射量测系统来检测机台的定位精度、螺距及背隙补偿。
Use an advanced laser measuring system to inspect position accuracy, pith, and backlash compensation of machine body.
运用此误差补偿方法对一台配备华中HNC-21系统数控机床螺距补偿后，获得了理想的加工精度。
Using this compensation theory, the NC machine equipped the system of HuaZhong HNC-21 gets the expectant precision.
本文作者探索在万能工具显微镜上用间接测量方法测量变螺距误差并进行精度估算。
The author puts forward a method which can measure the varying pitch errors by a universal tool microscope and estimate the measuring errors less than 15pm precisely.
本文作者探索在万能工具显微镜上用间接测量方法测量变螺距误差并进行精度估算。
The author puts forward a method which can measure the varying pitch errors by a universal tool microscope and estimate the measuring errors less than 15pm precisely.
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