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44.什么叫 MPM 连轧管机?MM 连轧管机(Mandtel Mill)称全浮动芯棒连轧管机,1913年首先在美国研制成功,但第一套 MM 连轧管机于1949年1月才在美国洛雷恩厂投产。至今有20多套,我国宝钢有1套。MPM 连轧管机(Multistandpipe Mill)是改造的连轧管机,习惯称为限动芯棒连轧管机,1964年由法国首创,最早的2套 MPM 连轧管机于1978年在法国瓦卢雷公司圣萨尔夫厂和意大利达尔明厂投产。
44. What is MPM pipe mill? MM pipe mill (Mandtel Mill) said full floating mandrel pipe mill, first developed in the United States in 1913, but the first set of MM pipe mill in 1949 1 Month in the United States Lorraine plant production. So far there are more than 20 sets, our country has a set of Baosteel. MPM pipe mill (Multistandpipe Mill) is a transformation of the continuous rolling mill, used to be known as the limited mandrel mill, first pioneered by France in 1964, the first two sets of MPM pipe mill in 1978 in the French tile Lulei company St. Salve factory and Dalin factory in Italy.