黑龙江快乐十分

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拉簧设计方法你知道吗?

时间:2018-6-12 17:23:18   来源:永清县强龙五金弹簧制品有限公司

LAHUANGSHEJIFANGFANIZHIDAOMA?

DANHUANGSHEJIDERENWUSHIYAOQUEDINGDANHUANGSIZHIJINGd、GONGZUOQUANSHUnYIJIQITAJIHECHICUN,SHIDENENGMANZUQIANGDUYUESHU、GANGDUYUESHUJIWENDINGXINGYUESHUTIAOJIAN,JINYIBUDIHAIYAOQIUXIANGYINGDESHEJIZHIBIAO(RUTIJI、ZHONGLIANG、ZHENDONGWENDINGXINGDENG)DADAOZUIHAO。 JUTISHEJIBUZHOUWEI:XIANGENJUGONGZUOTIAOJIAN、YAOQIUDENG,SHIXUANDANHUANGCAILIAO、DANHUANGZHISHUC。YOUYUsbYUdYOUGUAN,SUOYIWANGWANGHAIYAOSHIXIANJIADINGDANHUANGSIDEZHIJINGd。JIEXIALAIJISUANd、nDEZHIJIXIANGYINGDEQITAJIHECHICUN,RUGUOSUODEJIEGUOYUSHEJITIAOJIANBUFUHE,YISHANGGUOCHENGYAOZHONGFUJINXING。ZHIDAOQIUDEMANZUSUOYOUYUESHUTIAOJIANDEJIEJIWEIBENWENTIDEYIGEKEXINGFANGAN。SHIJIWENTIZHONG,KEXINGFANGANSHIBUWEIYIDE,WANGWANGXUYAOCONGDUOGEKEXINGFANGANZHONGQIUDEJIAOYOUJIE。 LI12-1SHEJIYIYUANZHUXINGLUOXUANYASUODANHUANG,HUANGSIPOUMIANWEIYUANXING。YIZHIZUIXIAOZAIHEFmin=200N,ZUIDAZAIHEFmax=500N,GONGZUOXINGCHENGh=10mm,DANHUANGⅡLEIGONGZUO,YAOQIUDANHUANGWAIJINGBUCHAOGUO28mm,DUANBUBINGJINMOPING。 JIE: SHISUAN(YI): (1)XUANZEDANHUANGCAILIAOHEXUYONGYINGLI。 XUANYONGCJITANSUDANHUANGGANGSI。 GENJUWAIJINGYAOQIU,CHUXUANC=7,YOUC=D2/d=(D-d)/dDEd=3.5mm,YOUBIAO1CHADEsb=1570MPa,YOUBIAO2ZHI:[t]=0.41sb=644MPa。 (2) JISUANDANHUANGSIZHIJINGd YOUSHI DEK=1.21 YOUSHI DEd≥4.1mm YOUCIKEZHI,d=3.5mmDECHUSUANZHIBUMANZUQIANGDUYUESHUTIAOJIAN,YINGZHONGXINJISUAN。 SHISUAN(ER): (1) XUANZEDANHUANGCAILIAOTONGSHANG。WEIQUDEJIAODADEI>dZHI,XUANC=5.3。 RENGYOUC=(D-d)/d,DEd=4.4mm。 CHABIAO1DEsb=1520MPa,YOUBIAO2ZHI[t]=0.41sb=623MPa。 (2) JISUANDANHUANGSIZHIJINGd YOUSHI DEK=1.29 YOUSHI DEd≥3.7mm。 KEZHI:I>d=4.4mmMANZUQIANGDUYUESHUTIAOJIAN。 (3) JISUANYOUXIAOGONGZUOQUANSHUn YOUTU1QUEDINGBIANXINGLIANGλmax:λmax=16.7mm。 CHABIAO2,G=79000N/mm2, YOUSHI DEn=9.75 QUn=10,KAOLVLIANGDUANGEBINGJINYIQUAN, ZEZONGQUANSHUn1=n+2=12。ZHICI,DEDAOLEYIGEMANZUQIANGDUYUGANGDUYUESHUTIAOJIANDEKEXINGFANGAN,DANKAOLVJINYIBUJIANSHAODANHUANGWAIXINGCHICUNYUZHONGLIANG,ZAICIJINXINGSHISUAN。 SHISUAN(SAN): (1)RENGXUANYISHANGDANHUANGCAILIAO,QUC=6,QIUDEK=1.253,d=4mm,CHABIAO1,DEsb=1520MPa,[t]=0.41sb=623MPa。 (2) JISUANDANHUANGSIZHIJING。DEd≥3.91mm。ZHId=4mmMANZUQIANGDUTIAOJIAN。 (3)JISUANYOUXIAOGONGZUOQUANSHUn。YOUSHISUAN(ER)ZHI,λmax=16.7mm,G=79000N/mm2 YOUSHI DEn=6.11 QUn=6.5QUAN,RENGCANKAOLIANGDUANGEBINGJINYIQUAN,n1=n+2=8.5。 ZHEIYIJISUANJIEGUOJIMANZUQIANGDUYUGANGDUYUESHUTIAOJIAN,CONGWAIXINGCHICUNHEZHONGLIANGLAIKAN,YOUSHIYIGEJIAOYOUDEJIE,KEJIANGZHEIGEJIECHUBUQUEDINGXIALAI,YIXIAZAIJISUANQITACHICUNBINGZUOWENDINGXINGXIAOHE。 (4) QUEDINGBIANXINGLIANGλmax、λmin、λlimHESHIJIZUIXIAOZAIHEFmin DANHUANGDEJIXIANZAIHEWEI: YINWEIGONGZUOQUANSHUYOU6.11GAIWEI6.5,GUDANHUANGDEBIANXINGLIANGHEZUIXIAOZAIHEYEXIANGYINGYOUSUOBIANHUA。 YOUSHI DE: λmin=λmax-h=(17.77-10)mm=7.77mm (5) QIUDANHUANGDEJIEJUp、ZIYOUGAODUH0、LUOXUANSHENGJIAOγHEHUANGSIZHANKAIZHANGDUL ZAIFmaxZUOYONGXIAXIANGLINLIANGQUANDEJIANJUδ≥0.1d=0.4mm,QUδ=0.5mm,ZEWUZAIHEZUOYONGXIADANHUANGDEJIEJUWEI p=d+λmax/n+δ1 =(4+17.77/6.5+0.5)mm=7.23mm pJIBENFUHEZAI(1/2~1/3)D2DEGUIDINGFANWEI。 DUANMIANBINGJINMOPINGDEDANHUANGZIYOUGAODUWEI QUBIAOZHUNZHIH0=52mm。 WUZAIHEZUOYONGXIADANHUANGDELUOXUANSHENGJIAOWEI JIBENMANZUγ=5°~9°DEFANWEI。 DANHUANGHUANGSIDEZHANKAIZHANGDU (6) WENDINGXINGJISUAN b=H0/D2=52/24=2.17 CAIYONGLIANGDUANGUDINGZHIZUO,b=2.17<5.3,GUBUHUISHIWEN。 (7) HUIZHIDANHUANGTEXINGXIANHELINGJIANGONGZUOTU。(end)    


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