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全(quan)浮動(dong)芯(xin)(xin)棒(bang)連續軋(ya)(ya)管(guan)機簡稱MM(MandrelMill),一般設有8個機架。軋(ya)(ya)制(zhi)過(guo)程中(zhong)對芯(xin)(xin)棒(bang)速度(du)(du)不(bu)加以控(kong)制(zhi),芯(xin)(xin)棒(bang)由(you)被輾(zhan)軋(ya)(ya)金屬的(de)摩擦(ca)力帶動(dong)自由(you)跟(gen)隨管(guan)子(zi)通過(guo)軋(ya)(ya)機,芯(xin)(xin)棒(bang)的(de)運行(xing)(xing)速度(du)(du)是不(bu)受控(kong)的(de);軋(ya)(ya)制(zhi)過(guo)程中(zhong)芯(xin)(xin)棒(bang)的(de)運行(xing)(xing)速度(du)(du)隨著(zhu)各機架的(de)咬入、拋(pao)鋼有波動(dong),從而引(yin)起(qi)管(guan)子(zi)壁厚(hou)的(de)波動(dong);軋(ya)(ya)制(zhi)...