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国内外能源发展在向石油、天然气倾斜,我国已确定“九五”期内石油管是钢铁行业重点生产的产品。ERW直缝电阻焊钢管在焊管结构中占有重要地位。本文在总结国内引进十余套ERW机组生产实践的基础上,述评直缝焊管机组国内外发展趋势,重点讨论了两大机型——辊式成型与排辊成型的得失,简要分析各种孔型(变形花)流派的优劣,指出一些生产线上工艺设备的不足,进而探讨引进直缝焊管机组国产化的途径。
At home and abroad, energy development is tilting toward oil and natural gas. Our country has already determined that petroleum pipe is a key product of the steel industry during the Ninth Five-year Plan period. ERW straight seam resistance welded steel pipe structure occupies an important position. This paper summarizes the domestic production of more than 10 sets of ERW unit production practice, based on the review of the longitudinal seam welded pipe unit at home and abroad trends, focusing on the two models - roll forming and roll forming gain and loss, a brief analysis of various holes Type (deformation flower) genre strengths and weaknesses, pointed out that some of the lack of production equipment on the process, and then explore the introduction of straight seam welded pipe unit localization approach.