亚博足彩

覆膜砂的病态原理包括什么

时间:2015-11-10 10:28 作者:羽丰模具 点击: 次

    1、脱壳——模具设计不合理,芯盒温度不均匀,使低温部位强度偏低而脱壳;覆膜砂熔点低,固化速度慢,热强度偏低。改善模具结构,使温度分布均匀;选用熔点高、固化速度快、热强度高的树脂。

   2、ZHUJIANQIKONGXINGXINPAIQIBUCHANG;SHUZHISHAFAQILIANGDAHUOFAQISUDUBUHESHI;SHAXINGUHUABUCHEDI。GAISHANPAIQIXITONG,TIGAOPAIQIXIAOGUO;XUANYONGJIZHONGDUGAOHUOJIAOCUDEYUANSHA;CAIYONGDIFAQIFUMOSHA。

   3、ZHUJIANNEIBUSUOSONGFUMOSHAZHONGDESHUZHIZAIGAOWENXIARANSHAOCHANSHENGRELIANG,JIANHUANLETIESHUIDENINGGUSUDU,DAOZHISUOSONG。CAIYONGJILENGLEIFUMOSHA;ZAIQIAOXINGXINNEIFANGZHINEILENGTIE

   4、ZHUJIANBIAOMIANBULIANGFENQUANSHUZHIZAIGAOWENXIASHENGCHENGDEGUANGLIANGTANPIAOFUZAITIEYEBIAOMIAN,NINGGUSHIZHUJIANBIAOMIANCHANSHENGZHOUPI。JIARU2%ZUOYOUYANGHUATIEFEN,CAIYONGDAORELVGAODEYUANSHA;QIAOXINBIAOMIANSHUATULIAO;FUMOSHAZHONGTIANJIATESHUFULIAO。

   5、XING(XIN)BIAOMIANSHUSONG——SHEXINYALIGUOGAOHUOGUODI,MOJUPAIQIBUCHANG;MOJUYOUYUFENHEMIANJIANXIDAERPAOSHA;FUMOSHALIUDONGCHAHUOTOUQICHA。XUANYONGHELISHESHAYALI,GAISHANPAIQIXITONG,FANGZHIBIEQI;CAIYONGBIANXINGXIAODECAILIAOZUOXINHE;XUANYONGLIUDONGHETOUQIHAODEFUMOSHA。

亚博足彩   6、XING(XIN)BIANXING、DUANLIEMOJUSHOUREBUJUNYUN,HUOXINGXINBIHOUCHAYIDA,ZAOCHENGLENGQUESHISHOUSUOBUYIZHI;CAIYONGLEGUHUASHOUSUOLVDADESHUZHI;JIEXINCHAZIBIANXINGHUOSHAXINCUNFANGBUPING;FUMOSHAGAOWENNENGCHA;JIAOZHUYALIGUODAGAISHANMOJUJIEGOU,SHIWENDUFENBUJUNYUN;CAIYONGCHENGXINGTUOPANCUNFANGSHAXIN;CAIYONGGUHUASHOUSUOLVXIAODESHUZHI;CAIYONGNAIGAOWENDIPENGZHANGFUMOSHA;GAIJINJIAOZHUXITONGCAIYONGWUYASHI。

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