手工气割时,操作者注意安全要求和常见故障的处理,对提高气割质量非常重要。一、气割操作的安全要求1.乙炔的最高工作压力严禁超过0.147MPa 表压。2.气瓶、管道、仪表等连接部位,应采用涂抹肥皂水检漏,严禁用火来检漏。3.氧气瓶、乙炔瓶应避免日光曝晒,不宜 Manual gas cutting, the operator pay attention to safety requirements and the handling of common failures, to improve gas cutting quality is very important. First, the safety requirements of gas cutting operation 1. The maximum working pressure of acetylene is strictly prohibited more than 0.147MPa gauge pressure. 2. Gas cylinders, pipes, meters and other connecting parts should be smear soapy water leaks, it is strictly prohibited to leak the fire. 3. Oxygen bottles, acetylene bottles should avoid sun exposure, not appropriate