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·································...
