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最近,B& W Diesel A/S 公司研制成功了可减轻重量30%左右的低速柴油机曲轴。由于采用了窄间隙埋弧焊在装配技术方面有了新的突破。Det (?) norske verites 详细研究了这些焊接曲轴的质量和产品检验问
Recently, B & W Diesel A / S has developed a low-speed diesel crankshaft that can reduce the weight by about 30%. As a result of the narrow gap submerged arc welding in assembly technology has made new breakthroughs. Det (?) Norske verites studied in detail the quality of these welded crankshafts and product inspections