【摘要】 首先介绍了国产化600MW 亚临界机组高中压外缸的结构特点、制造要求,分析了制造技术难点,最终提出了合理的焊接工艺措施,确保了汽缸的焊接制造质量,为批量生产奠定了坚实的基础。更多还原

【Abstract】 This article describes the structure characteristics and manufacturing requirements for the HIP outer casing of nationalized 600MW sub-critical unit,mainly analyzes the technical difficulties,and puts forward proper welding process specifications,so that the welding quality of the casing is secured and a solid foundation is laid for the batch manufacture of the casing更多还原