The study provided the variation range of paddy field hardpan roughness and the effective frequency of the hydrauliccopying system.
试验研究提供了水田沟底不平度变化范围以及可以实用的插秧机液压仿形系统的仿形频次。
2
The design of copying wheel is given too. Combined microcomputer control and hydrauliccopying technique, an engine lathe is retro fitted into an automatic lathe to turning such kind of workpiece.
这种加工方法采用微机控制技术和液压仿形技术相结合对普通车床进行改造，实现自动加工。
3
This paper introduces the design of sample axis in the process of machining axis spare parts with hydraulic pressure copying lathe.