The traditional positioning accuracy detection method of feed shaft for numerical control(NC) machine tool exists low accuracy, method obsolete and poor measurement repeatability.
传统的数控机床进给轴定位精度的检测方法，存在精度低、方法落后、检验重复性差等缺点。
2
Vehicle tests show that the positioning accuracy of the prototype is about the same to the GPS, and is provided with a quite good repeatability.
车载实验表明，样机的定位精度和GPS相当，并具有较好的重复性。
3
This positioning system has advantages such as good repeatability, positioning accuracy and ease to calibrate.