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1、机械制造工艺学课程设计说明书设计题目设计“CA6140车床拨叉,型号861002”零件的机械加工工艺及工艺设备设计者:学号:指导教师:urbanarea2.5.2YibincityinYibincity,accordingtoresourceandenvironmentcharacteristicsUrbanpopulationandurbanspatialdistribution,spatialdistributionofindustries,majorinfrastructureCorridorlay
2、out,combinedwiththefuturedevelopmenttrendofsyntheticjudgments,planning,urbanspatialstructureofurbansystemcanbesummarizedas:"apolealongthetwoaxes"."A"referstothemetropolitanareaalongtheYangtzeRiver,isthecoreareaofthedevelopmentofthecity.PlanstobuildfortheY
3、angtzeRivereconomicbeltonthepillar,advancingalongthe...GuangheRiver,Yiliang,prestigeoftheexternalcohesionofzhaotong,Yunnan,internalconnectingYibincitytotheNorth.TheSichuan-Yunnan-GuizhouborderareaofYibin,inthecityofzhaotong,liupanshuithree,zhaotongcity,th
4、emostpopulousandmostextensiveregions,themosteconomicallybackward,totheNorthinWumengmountainareaofyanjin,shuifu,suijiangcountiesradiationpowerisrelativelyweak.Yibincityandinfrastructureinsuchareasshouldbestrengthenedanddocking,extendingsouthwardtopublicser
5、vices,promotethedevelopmentofmineralresourcesinNortheastYunnan,expandoureconomichinterland,drivingsynchronousliftinginSichuan-Yunnan-Guizhouborderarea.Thisurbanaxiswithmineralresourceadvantages,focusonthedevelopmentofadvancedtechnology,comprehensiveutiliz
6、ationofresourcesofhigherenergy,newbuildingmaterials,chemicalindustry,developingnewenergyandminingtowns.Urbanspaceorganization-ingongxianCounty,Gao,junlianCountyCenterforareaorganizations,improve,Gao,Gong,junlianCountycomprehensiveservices,andpromotingregi
7、onaleconomicdevelopmentandpopulationgrowthoftheagglomeration.Alongthemaintrafficarteriestoimplement"point-axisdevelopment"modekeyrepeatedly,Shahetown,XiaoZhen,LuotableZhen,Luotown,loveMuZhenandothertownsasdistrictdevelopmentfocusesoncitiesandtowns,promote
8、thedevelopmentofdistrict目录序言一.零件的分析…………………………1(一)零件的作用…………………....1(二)零件的工艺分析………………....2二.工艺规程的设计………………………3(一)确定毛坯的制造形式……………….3(二)基面的选择…………………....3(三)制定工艺路线…………………..3(四)机械加工余量工序尺寸及毛坯尺寸的确定..5(五)确立切削用量及基本工时…………..7三.夹具设