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本文叙述了大型数控激光切割机的数控系统和电控系统的基本原理和组成。讨论了用二座标加Z轴浮动解决三维空间曲面件切割的方法及实现浮动控制的原理。介绍了为提高系统运行的可靠性、稳定性所采取的措施。最后,提出了控制系统的改进意见。
This article describes the basic principles and components of CNC system and electronic control system of large CNC laser cutting machine. The method to solve the cutting of three-dimensional space surface with two zeros plus Z-axis floating and the principle of floating control are discussed. Introduced in order to improve the reliability of the system operation, the stability of the measures taken. Finally, the improvement of control system is put forward.