BS 638-3(1979) : 1979已作废
ARC WELDING POWER SOURCES, EQUIPMENT AND ACCESSORIES - SPECIFICATION FOR AIR COOLED POWER SOURCES FOR SEMI-AUTOMATIC AND AUTOMATIC METAL-ARC WELDING
出版：British Standards Institution
专家解读视频
基本信息
标准编号： BS 638-3(1979) : 1979
发布时间：1979/1/1 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：15
标准简介
Describes requirements for d.c. generators, alternators, air cooled a.c. transformers and air cooled rectifier power sources of the drooping and flat characteristic types. Suitable for gas-shielded metal-arc welding including tubular wire without external gas shielding, submerged arc welding, and automatic open arc welding.
本标准替代的旧标准
