火焰切割是当前最重要和最常用的金属加工方法之二,各工业发达国家都十分重视火焰切割技术的改进和提高。从近年来火焰切割技术的发展情况看,其发展趋向可以归纳为三个方面;1) 改善切割质量;2) 提高生产率和降低生产成本;3) 消除污染和改善工作条件。 Flame cutting is currently the most important and most commonly used metal processing method two, all industrialized countries attach great importance to the improvement and improvement of flame cutting technology. From the development of flame cutting technology in recent years, its development trend can be summarized into three aspects: 1) improve the cutting quality; 2) increase productivity and reduce production costs; 3) to eliminate pollution and improve working conditions.