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冷弯机轧辊的热处理广州机电工业研究所（广州５１０２８０）阮广德，张小聪，陈志光，梁航１前言用于煤气和自来水管道工程的直缝焊管，是用钢带在冷弯机组上经多道轧辊的轧制和高频焊接而成的。每台机组有不同形状的轧辊２０多对。这种轧辊在工作中承受大的载荷，复杂的...
Guangzhou 510280) RUAN Guang-de, ZHANG Xiao-cong, CHEN Zhi-guang, LIANG Hang 1 INTRODUCTION Longitudinal welded pipe for gas and water pipe project is made of steel strip on the cold-bending unit by multi-pass roll The rolling and high frequency welding made. Each unit has a different shape of the roll more than 20 pairs. This roller in the work to bear a large load, complex ...