辽宁科技大学本科生毕业设计（论文）第I页热轧棒材车间工艺设计摘要本设计为热轧棒材车间工艺设计。产品为Φ22的热轧不锈钢，主要钢种为1Cr13，优质碳素结构钢，低合金钢，产品质量执行国家标准。根据成品规格选择尺寸为210mm×210mm×6000mm的连铸坯为原料，加热炉为三段步进梁式加热炉。本设计采用全连续轧制生产工艺，全线共有轧机22架，其中粗轧机6架，中轧机6架，预精轧机6架，精轧4架。终轧最大轧制速度为10m/s。设计中采用的孔型系统为：箱（1#）—方箱（2#）—椭（3#）—圆（4#）—椭（5#）—圆（6#）—椭（7#）—圆（8#）—椭（9#）—圆（10#）—椭（11#）—圆（12#）—椭（13#）—圆（14#）—椭（15#）—圆（16#）—椭（17#）—圆（18#）—椭（19#）—圆（20#）—椭（21#）—圆（22#）。关键词：工艺设计，热轧棒材，型钢，连铸坯辽宁科技大学本科生毕业设计（论文）第II页ProcessDesignofhotrolledbarWorkshopAbstractThisisthetechnologydesignforhotrolledbarworkshop.ThesizeoftheproductisΦ22withthemajorsteelgradeofthestainlesssteel,thecarbonconstructionalqualitysteelorthelowalloyedsteel.Andwecarryoutnationalstandardduringtheproduction.Accordingtothesizeofproductweusetheconcastbilletswiththesizeof210mm×210mm×6000mmfortherawmaterialandtheWalkingBeamHeatingFurnace.Weusecontinuousrollingtechnology，thereis22millincommon,6forroughingmill,6formediummill,6forbeforehandfinishingmill，6forfinishingmil.Thelargestendmillspeedisabout10m/s.Intheproductionofsteelrollingweusethepasssystemofchest－square－ellipse－circle－ellipse－circle－ellipse－circle－ellipse－circle－ellipse－circle－ellipse－circle－ellipse－circle－ellipse－circle－ellipse－circle－ellipse－circle．Keywords：processdesign，hotrolledribbedbar，shapesteel，concast辽宁科技大学本科生毕业设计（论文）第III页bil目录1热轧棒材概述...............................................................................11.1热轧棒材的产品概况..........................................................................11.21Cr13介绍...........................................................................................31.2.11Cr13标准.................................................................................31.2.2特性及适用范围........................................................................31.2.31Cr13热处理工艺.....................................................................31.2.41Cr13特性.................................................................................31.2.51Cr13管材生产制造.................................................................41.2.61Cr13、3Cr13用途...................................................................42典型产品轧制工艺制定...............................................................52.1生产工艺流程图...................................................................................52.2坯料的选择...........................................................................................52.3坯料及成品尺寸...................................................................................62.4坯料表面预处理...................................................................................62.4.1表面缺陷清理.............................................................................62.4.2表面氧化铁皮清除.....................................................................72.5加热制度的制定...................................................................................72.5.1加热目的..........................................................
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