在对数控火焰切管机床的加工原理和割炬路径的运动学分析基础上，研制了一种功能强大的火焰切管数控机床。
A powerful flame nc pipe cutting machine tool was developed based on the analysis of the principle and the torch movement for the flame nc pipe cutting machine tool.
提出了最大Z坐标原则求管-管、板相贯线坡口切割割炬轨迹的方法。
The principle of Z-max was also proposed for the intersecting curve of pipe-pipe-plate.
对管-管相贯、K形接头相贯的切割实例进行了仿真分析，研究了割炬轨迹和相关参数的关系。
The real cutting examples about intersection of pipe-pipe and K type are simulated and analyzed, and the relationship between torch track and related parameters is studied.
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