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容器筒体上的人孔切割(焊接)机,已可实现自动化,国内外均有产品出售。例如美国的 Syprese 公司、日本的小池酸素、我国的郑州机械研究所等。我厂已引进或购入多台。这种切割或焊接机可以自动沿人孔的马鞍形曲线完成切割或焊接工作。与手工操作比较,明显地提高了切割、焊接精度、质量和机械化水平。本文以切割机为例就其运动的工作原理、精度
The manhole cutting (welding) machine on the cylinder of the container has been automatized and has been sold at home and abroad. For example, the United States Syprese company, Japan’s Kotatsu, China’s Zhengzhou Machinery Research Institute. I plant has introduced or purchased more than one. This cutting or welding machine can automatically perform a cutting or welding operation along the saddle curve of the manhole. Compared with the manual operation, significantly improve the cutting, welding accuracy, quality and mechanization level. In this paper, the cutting machine as an example of its movement principle, accuracy