一、前言热喷涂技术是我国近几年迅速发展起来的一门新技术。它主要包括燃料焰喷涂技术,等离子喷涂技术,电弧喷涂技术和爆炸喷涂技术。其中的氧乙炔焰粉末喷涂工艺,设备简单、工艺灵活、施喷方便、易于推广,同时花钱少、见效快,经济效益显著。除了专用的喷枪及少数辅助工具外,这项技术与普通气焊所用的设备和工具基本相同。一般化工企业均具备这样的条件。国家经济委员会把它列为一九八一年至一九八五年在全国推广的50项新技术重点项目之一。一九八四年十二月,我厂在浙江省冶金研究所热喷涂中心的技术人员帮助下,应用氧乙炔焰粉末热喷涂技术修复了一根有二个曲轴颈严重 I. Introduction Thermal spraying technology is a new technology developed rapidly in recent years in our country. It mainly includes fuel flame spraying technology, plasma spraying technology, arc spraying technology and explosion spraying technology. Oxygen acetylene flame powder spraying process, simple equipment, flexible process, spraying convenient, easy to promote, at the same time spend less, quick, economic significant. In addition to a dedicated spray gun and a small number of auxiliary tools, this technology and general gas welding equipment and tools are basically the same. General chemical companies have such conditions. The State Economic Commission lists it as one of the 50 key new technology projects promoted throughout the country from 1981 to 1985. In December 1984, with the help of the technicians from the Thermal Spraying Center of Zhejiang Institute of Metallurgy, our factory repaired a steel with two crankshaft crankshaft