激光技术在制造业中的应用是目前各国的研究重点,随着工业发展对高效、环保、自动化的需要,激光技术的应用迅速普及制造业的许多领域。本文简单介绍了采用激光技术进行焊接的基本原理及其优缺点,总结了几种复合热源焊接技术的国内外最新研究进展,评价了其特点和应用前景。最后指出激光复合热源焊接技术是今后激光焊接的发展趋势。 The application of laser technology in manufacturing industry is currently the focus of research in various countries. With the rapid development of industrial development for the needs of high efficiency, environmental protection and automation, the application of laser technology has rapidly popularized many fields of manufacturing industry. This paper briefly introduces the basic principles and their advantages and disadvantages of welding using laser technology, summarizes the latest research progress of several kinds of composite heat source welding technology at home and abroad, and evaluates its characteristics and application prospects. Finally, it is pointed out that laser hybrid heat source welding technology is the development trend of laser welding in the future.