设计一个年产55万吨的冷弯型钢、焊管生产车间

设计（论文）专用纸第I页摘要冷弯型钢具有力学性能良好、生产效率高、易取材、用料省和断面形状多变等优点，在汽车、造船、铁道、机械和建筑等各个部门得到广泛应用。本车间为年产5.5万吨的冷弯型钢、焊管生产车间，采用常规的辊弯成型方法。设计本着工艺先进、技术可靠的原则，以设计任务为基础，市场需求为导向，并参考一些国内钢结构厂的资料，对车间进行工艺设计。本文着重论述了本车间代表产品规格为80×40×20×4.0mm的外卷边槽钢生产过程，其主要内容包括冷弯型钢的项目分析、生产方案选择、生产工艺流程、设备选取及原理、工艺计算与金属平衡、设备负荷计算、孔型设计、车间平面布置、劳动组织与技术经济指标及环境保护。开口型钢采用小线生产，闭口型钢采用中线生产，小线的设备负荷率为76.33%，中线的设备负荷率为75.92%，纵剪的设备负荷率为76.41%。关键词：冷弯型钢；辊弯成型；外卷边槽钢设计（论文）专用纸第II页ABSTRACTCold-formedsteelhasgoodmechanicalproperties,highefficiency,easymaterials,materialsprovincialandcross-sectionalshapechangingadvantages,andwidelyusedtheautomobile,shipbuilding,railways,machineryandconstructionsectors.Thisworkshopoftheannualoutputof55,000tonsofcold-formedsteel,weldedpipeproductionworkshop,withnormalrollbendingformingmethod.Itsmaincontentsincludethecold-formedsteelprojectanalysis,productionplan,productionprocess,equipmentselection,principle,processcalculationandbalanceofmetal,equipmentloadcalculation,passdesign,workshoplayout,labororganizationandtechnicaleconomicindexandenvironmentalprotection.Designinlinewiththeprinciplesofadvancedtechnologyandreliable，thedesigntaskbasedonmarketdemand,andreferencetosomeofthedomesticsteelplantandprocessdesignworkshop.Thispaperfocusesontheproductspecificationsofthisworkshoponbehalfof80×40×20×4.0mm,theouteredgechannelproductionprocess.Opentypesteelwithsmallproductionlineofsteelproduction,themidline,smalllineequipmentloadrateis76.33%,themidlineoftheequipmentloadrateis75.92%,slittingequipmentloadrateof76.41%.Keyword:Cold-FormedSteel;Rollbendingforming;Outsideedgechannelsteel设计（论文）专用纸第i页目录摘要·····················································································IABSTRACT··········································································II第一章冷弯型钢分析·······························································11.1国内外冷弯型钢发展现状......................................................................................11.2良好的政策支持......................................................................................................31.3广泛的应用..............................................................................................................51.4总结..........................................................................................................................6第二章产品方案表································································72.1产品方案..................................................................................................................72.2计算产品选择..........................................................................................................8第三章生产工艺流程·····························································93.1工艺流程图..............................................................................................................93.2工艺流程简介........................................................................................................10第四章设备选择及原理··························································12第1节ZJ1600×12.5纵剪生产线............................................................................124.1.1设备技术性能及说明..................................................................................124.1.2电控系统......................................................................................................17第2节LW500×4小线设备的选择.........................................................................184.2.1主要规格和技术参数..................................................................................184.2.2设备的工作原理及技术参数......................................................................19第3节LW700×8成型线设备的选择.....................................................................264.3.1主要规格和技术参数..................................................................................264.3.2设备的工作原理及技术参数......................................................................27第4节起重运输设备的选择................................................................................404.4.1起重机的型式..............................................................................................404.4.2起重机的工作制度......................................................................................404.4.3起重机数量的确定......................................................................................40第5节辅助设备的选择............................................................................................414.5.1电磁超声探伤设备......................................................................................41第6节焊接及焊接原理............................................................................................424.6.1焊接原理......................................................................................................424.6.2高频焊接的原理..........................................................................................45设计（论文）专用纸第ii页第五章工艺计算与金属平衡··················································475.1计算产品原料宽度的计算：...............................................................................475.1.1外卷边槽钢（规格80×40×20×4.0）.........................................................47