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注塑模具型腔尺寸和塑料收缩率的关系,你知道吗?

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注塑模具型腔尺寸和塑料收缩率的关系,你知道吗?

发布日期:2018-09-20 作者: 点击:


shejisuliaomoshi,quedinglemojujiegouzhihoujikeduimojudegebufenjinxingxiangxisheji,jiquedinggemobanhelingjiandechicun,xingqianghexingxinchicundeng。zheishijiangshejiyouguancailiaoshousuolvdengzhuyaodeshejicanshu。yinerzhiyoujutidizhangwochengxingsuliaodeshousuolvcainengquedingxingqianggebufendechicun。jishisuoxuanmojujiegouzhengque,dansuoyongcanshubudang,jiubukenengshengchanchupinzhihegedesujian。 




FPX外围压注resuxingsuliaodetexingshizaijiarehoupengzhang,lengquehoushousuo,dangranjiayayihoutijiyejiangsuoxiao。 zaizhusuchengxingguochengzhong,shouxianjiangrongrongsuliaozhusherumojuxingqiangnei,chongtianjieshuhourongliaolengqueguhua,congmojuzhongquchusujianshijichuxianshousuo,cishousuochengweichengxingshousuo。sujiancongmojuquchudaowendingzheiyiduanshijiannei,chicunrenghuichuxianweixiaodebianhua,yizhongbianhuashijixushousuo,cishousuochengweihoushousuo。




FPX外围压注lingyizhongbianhuashimouxiexishixingsuliaoyinxishierchuxianpengzhang。lirunilong610hanshuiliangwei3%shi,chicunzengjialiangwei2%;bolixianweizengqiangnilong66dehanshuiliangwei40%shichicunzengjialiangwei0.3%。danqizhongqizhuyaozuoyongdeshichengxingshousuo。 




FPX外围压注muqianquedinggezhongsuliaoshousuolv(chengxingshousuo+houshousuo)defangfa,yibandoutuijiandeguobiaozhunzhongdin16901deguiding。jiyi23℃±0.1℃shimojuxingqiangchicunyuchengxinghoufangzhi24xiaoshi,zaiwenduwei23℃,xiangduishiduwei50±5%tiaojianxiaceliangchudexiangyingsujianchicunzhichasuanchu。




shousuolvsyouxiashibiaoshi: s={(d-m)/d}×100%(1)




qizhong:s-shousuolv; d-mojuchicun; m-sujianchicun。




ruguoanyizhisujianchicunhecailiaoshousuolvjisuanmojuxingqiangzewei d=m/(1-s) zaimojushejizhongweilejianhuajisuan,yibanshiyongxiashiqiumojuchicun:




d=m+ms(2)




ruguoxushishijiaoweizhunquedejisuan,zeyingyongxiashi: d=m+ms+ms2(3)




danzaiquedingshousuolvshi,youwushijideshousuolvyaoshouzhongduoyinsudeyingxiangyezhinengshiyongjinsizhi,yineryongshi(2)jisuanxingqiangchicunyejibenshangmanzuyaoqiu。zaizhizaomojushi,xingqiangzeanzhaoxiapianchajiagong,xingxinzeanshangpianchajiagong,bianwubiyaoshikezuoshidangdexiuzheng。




FPX外围压注nanwuzhunquequedingshousuolvdezhuyaoyuanyin,shouxianshiyingezhongsuliaodeshousuolvbushiyigedingzhi,ershiyigefanwei。yinweibutonggongchangshengchandetongzhongcailiaodeshousuolvbuxiangtong,jishishiyigegongchangshengchandebutongpihaotongzhongcailiaodeshousuolvyebuyiyang。




FPX外围压注yinergechangzhinengweiyonghutigonggaichangsuoshengchansuliaodeshousuolvfanwei。qici,zaichengxingguochengzhongdeshijishousuolvhaishoudaosujianxingzhuang,mojujiegouhechengxingtiaojiandengyinsudeyingxiang。xiamianduizheixieyinsudeyingxiangzuoyijieshao。




sujianxingzhuang




FPX外围压注duiwuchengxingjianbihoulaishuo,yibanyouwuhoubidelengqueshijianjiaozhang,yinershousuolvyejiaoda。 duiyibansujianlaishuo,dangrongliaoliudongfangxianglchicunyuchuizhiwurongliaoliufangxiangwchicundechayijiaodashi,zeshousuolvchayiyejiaoda。 congrongliaoliudongjulilaikan,yuanlijiaokoubufendeyalisunshida,yinergaichudeshousuolvyebi*jinjiaokoubuweida。 yinjiaqiangjin、kong、tutaihediaokedengxingzhuangjuyoushousuokangli,yinerzheixiebuweideshousuolvjiaoxiao。




mojujiegou 




FPX外围压注jiaokouxingshiduishousuolvyeyouyingxiang。yongxiaojiaokoushi,yinbaoyajieshuzhiqianjiaokoujiguhuaershisujiandeshousuolvzengda。 zhusumozhongdelengquehuilujiegouyeshimojushejizhongdeyigeguanjian。lengquehuilushejidebushidang,zeyinsujiangechuwendubujunhengerchanshengshousuocha,qijieguoshishisujianchicunchaochahuobianxing。zaibobibufen,mojuwendufenbuduishousuolvdeyingxiangzegengweimingxian。




mojuchicunhezhizaogongcha 




mojuxingqianghexingxindejiagongchicunchuletongguod=m(1+s)gongshijisuanjibenchicunzhiwai,haiyouyigejiagonggongchadewenti。anzhaoguanli,mojudejiagonggongchaweisujiangongchade1/3。danyouwusuliaoshousuolvfanweihewendingxinggeyouchayi,shouxianbixuhelihuaquedingbutongsuliaosuochengxingsujiandechicungongcha。jiyoushousuolvfanweijiaodahuoshousuolvwendingjiaochasuliaochengxingsujiandechicungongchayingqudedayixie。fouzejiukenengchuxiandaliangchicunchaochadefeipin。 




FPX外围压注weici,geguoduisuliaojiandechicungongchazhuanmenzhidinglebiaozhunhuoxingyebiaozhun。zhongguoyecengzhidinglebujizhuanyebiaozhun。dandadouwuxiangyingdemojuxingqiangdechicungongcha。deguobiaozhunzhongzhuanmenzhidinglesujianchicungongchadedin16901biaozhunjixiangyingdemojuxingqiangchicungongchadedin16749biaozhun。cibiaozhunzaishijieshangjuyoujiaodadeyingxiang,yinerkegongsuliaomojuxingyecankao。




FPX外围压注guanwusujiandechicungongchaheyunxupiancha 




FPX外围压注weilehelidiquedingbutongshousuotexingcailiaosuochengxingsujiandechicungongcha,rangbiaozhunyinrulechengxingshousuocha△vszheiyigainian。   




FPX外围压注△vs=vsr_vst(4)




shizhong: vs-chengxingshousuocha vsr-rongliaoliudongfangxiangdechengxingshousuolv vst-yurongliaoliudongchuizhifangxiangdechengxingshousuolv。 




genjusuliao△vszhi,jianggezhongsuliaodeshousuotexingfenwei4gezu。△vszhixiaodezushigaojingduzu,yicileitui,△vszhidadezuweidijingduzu。 binganzhaojibenchicunbianzhilejingmijishu、110、120、130、140、150he160gongchazu。bingguiding,yongshousuotexingwendingdesuliaochengxingsujiandechicungongchakexuanyong110、120he130zu。




yongshousuotexingzhongdengwendingdesuliaochengxingsujiandechicungongchaxuanyong120、130he140。ruguoyongzheileisuliaochengxingsujiandechicungongchaxuanyong110zushi,jikenengchudaliangchicunchaochasujian。yongshousuotexingjiaochadesuliaochengxingsujiandechicungongchaxuanyong130、140he150zu。




yongshousuotexingchadesuliaochengxingsujiandechicungongchaxuanyong140、150he160zu。 zaishiyongcigongchabiaoshi,haixuzhuyiyixiagedian。 biaozhongdeyibangongchayongwubuzhuminggongchadechicungongcha。




FPX外围压注zhijiebiaozhupianchadegongchashiyongwuduisujianchicunbiaozhugongchadegongchadai。qishang、xiapianchakeshejirenyuanzixingqueding。lirugongchadaiwei0.8mm,zekeyixuanyongyixiagezhongshang、xiapianchagoucheng。0.0;-0.8;±0.4;-0.2;-0.5deng。 meiyigongchazuzhongjunyoua、bliangzugongchazhi。qizhongashiyoumojulingjianzuhexingchengdechicun,zengjialemojulingjianduihechubumihesuoxingchengdecuocha。




FPX外围压注cizengjiazhiwei0.2mm。qizhongbshizhijieyoumojulingjiansuojuedingdechicun。 jingmijishushizhuanmenshelideyizugongchazhi,gongjuyougaojingduyaoqiusujianshiyong。 zaiciyongsujiangongchazhiqian,shouxianbixuzhidaosuoshiyongdesuliaoshiyongnajigegongchazu。


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