医用床挂板冲压工艺分析与模具设计范本

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AbstractPunchingdiehasbeenw1ff8idelyusedinindustrialproduction.Inthetraditionalindustrialproduction,theworkerworkveryhard,andtherearetoomuchwork,sotheefficiencyislow.Withthedevelopmentofthescienceandtechnologynowadays,theuseofpunchingdieintheindustialproductiongainmoreattention,andbeusedintheindustrialproductionmoreandmore.Self-actingfeedtechnologyofpunchingdieisalsousedinproduction,punchingdiecouldincreasetheefficienceofproductionandcouldalleviatetheworkburden,soithassignificantmeaningintechnologicprogressandeconomicvalue.copyrightdedecms

31.Romanovski,V.P."Dictionaryofcold-stamping",Ed,Tehnica,Bucharest,197032.TeodorescuM."thetechnologyofcoldl-forming",Ed.didacticaandpedagogica,Bucharest,1980

Thearticlemainlydiscussedtheclassification,featureandthedevelopmentaldirectionofthepnnchingtechnology.Elaboratedthepunchingcomponentsformationprinciple,thebasicdiesstructureandtherateprocessandtheprincipleofdesign；anddesignedsomeconventionalpunchingdie：thedieforbigdiameterthreedirectionpipewhichsolvedtheproblomoftraditionalmachining,thedrawingandpunchingcompounddiewithfloatpunch-matrix,thedrawingandcuttingcompounddieswithunalteredpress,thecompounddieforthebackbowlofthenoisekeeper,thedesignofthecompounddiewhichcouldproducetwoworkpiecesinonepunching,thebendingdiefortheringshapepart,thebendingdiewhichusedthegemel,automateloadingdieforcutting,thedrawing,punchingandburringcompounddieswithslidingautomatedloading,thepunchingdieforthelongpipewithtworowofhole,thedrawingdieforthesquareboxshapeworkpieceandtheburringdiefortheboxshapeworkpiece.Thepunchingdiesthatutilizedthefeatureofthenormalpunchshapedtheworkpieceintheroomtemperature,anditsefficiencyandeconomicsituationisexcellentRenderingCan、Receiver、Buzzer、MicReceiver还要考虑Buzzer的图1-2(前端图1-2(前端扣)图1-1图1-4图1-4图1-345图1-345图1-图1-6圖1-圖1-8图1-7图1-4图1-4LightGuideLightGuideStroke图1-11图1-11(SlideSwitch)包住PCB定位柱图1-包住PCB定位柱图1-10(VolumeKey)(a)(c)(b)图1-(a)(c)(b)图1-12(ChargeContact)图1-13(ChargeContact)(Base)图1-13(ChargeContact)(Base)(Handset)图1-14Buzzer图1-14Buzzer出声口图1-1出声口图1-15密封圈第二次共振图1-16图1-16图1-17图1-19图1-19图1-18图1-18瓜1-21瓜1-21图2-1良好图2-1良好差劣图2-2图2-3留有足够间隙图2-2图2-3留有足够间隙保证声音传出图2-4间隙A间隙图2-4间隙A间隙B图2-5易将Handset卡住图2-5易将Handset卡住(下部)(不行)(上部)(下部)(不行)(上部)(较好)图2-6平面优平面优弧面劣弧面劣图2-8图2-7图2-8图2-7图2-9图2-9两侧加柱防止Jamkey图2-10两侧加柱防止Jamkey图2-10图2-11图2-13图2-13图2-14图2-14图2-15限位骨图2-15限位骨图2-12图2-12电话线预留足够空间有利电话线摆放墙壁电话线预留足够空间有利电话线摆放墙壁图2-16挖空此处，幸免与PhoneJack干涉挖空此处，幸免与PhoneJack干涉图2-18图2-18(1)(2)(3)止口筋止口筋图2-17图2-19图2-19火牛插頭火牛插頭PCB厚度为1.6mm时，L=3.0mm+/-0.5；PCB厚度为1.0mm时，L=2.4mm+/-0.5。图2-20图2-20碰穿孔碰穿孔喇叭悬空固定安装喇叭悬空固定安装橡皮套橡皮套图3-2图3-2图3-1图3-1图3-3图3-3图3-4图3-4图3-6图3-6图3-7图3-7图3-8图3-9图3-92.52.5碰穿面的位置图3-100.2碰穿面的位置图3-100.2图3-11图3-11图3-12图3-12瓜II1-11瓜II1-11图3-13图3-14图3-13图3-14LLNorminalDiax2图3-15加强骨加强骨图3-16图3-16夹水纹阻碍表面质夹水纹阻碍表面质量э跑瑈