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注塑PET原料成型工艺要点

PETYUANLIAOZHUSUCHENGXINGGONGYISHISULIAOJIAGONGZHONGFEICHANGZHONGYAODEJISHUGONGYIZHIYI,DUIYUPETSULIAOPINGERYAN,DADUOSHUQINGKUANGXIASULIAOBAOZHUANGCHANGDOUHUICAIYONGCHUISUCHENGXINGDEFANGSHIZHIZUOJIAGONG,DANZHUSUCHENGXINGGONGYIYOUQITEYOUDEJIAGONGYOUSHI,DUIYUPETZHUSUCHENGXINGLAISHUO,JISHURENYUANXUYAOKAOLVHENDUOFANGMIANYINSU,RUXIA。

PETYUANLIAOJIANJIE:PETHUAXUEMINGWEIJUDUIBENERJIASUANYICHUNZHI,YOUCHENGJUZHI。MUQIANZAIKEHUZHONGSHIYONGZUIDUODESHIGF-PET,ZHUYAOSHIDAPINGPEI。

PETYUANLIAOZAIRONGRONGZHUANGTAIXIADELIUBIANXINGJIAOHAO,YALIDUIZHANDUDEYINGXIANGBIWENDUYAODA,YINCI,ZHUYAOCONGYALIZHESHOULAIGAIBIANRONGTIDELIUDONGXING。

PETYUANLIAOHUAXUEHEWULITEXING:PETYUANLIAODEBOLIHUAZHUANHUAWENDUZAI165℃ZUOYOU,CAILIAOJIEJINGWENDUFANWEISHI120~220℃。PETZAIGAOWENXIAYOUHENQIANGDEXISHIXING。DUIYUBOLIXIANWEIZENGQIANGXINGDEPETCAILIAOLAISHUO,ZAIGAOWENXIAHAIFEICHANGRONGYIFASHENGWANQUXINGBIAN。

KEYITONGGUOTIANJIAJIEJINGZENGQIANGJILAITIGAOCAILIAODEJIEJINGCHENGDU。YONGPETJIAGONGDETOUMINGZHIPINJUYOUGUANGZEDUHERENIUQUWENDU。KEYIXIANGPETZHONGTIANJIAYUNMUDENGTESHUTIANJIAJISHIWANQUBIANXINGJIANXIAODAOZUIXIAO。RUGUOSHIYONGJIAODIDEMOJUWENDU,NEIMESHIYONGFEITIANCHONGDEPETYUANLIAOYEKEHUODETOUMINGZHIPIN。

ZHUSHECHENGXINGGONGYI:ZHUSHECHENGXINGFAZHUYAOYONGYUZENGQIANGPETDECHENGXING。TONGCHANGCAIYONGLUOGANSHIZHUSHEJI。LUOGANYIBANJUNXUJINXINGYINGHUACHULI,YIMIANZAIZHANGQISHIYONGHOUFASHENGMOHAO。ZHUSHEJIPENZUIKONGDEZHANGDUYINGJINKENENGDUAN,QIZHIJINGYINGKONGZHIZAI3mmZUOYOU。

ZENGQIANGPETDERONGDIANGAODA260℃,WEIFANGZHIPENZUIDUSAI,YINGANZHUANGGONGLVJIAODADEJIAREQI。LINGWAI,PENZUIKONGDEJIANDUANJIAGONGCHENGRUTU-1SUOSHIDENIZHUISHI,SHILIUDAOHEPENZUINEIDERONGRONGWULIAONENGGOUFANGBIANDIQIEDUAN。

ZHUSUJI:ZHUSUCHENGXINGZHUYAOYONGYUZENGQIANGPETYUANLIAODECHENGXING。PETYUANLIAOYIBANQINGKUANGXIAZHINENGXUANYONGLUOGANSHIZHUSUJICHENGXING。

XUANYONGDINGBUDAIYOUZHINIHUANDETUBIANXINGLUOGAN,QIBIAOMIANYINGDUDAERQIENAIMOSUN,ZHANGJINGBIWEIL/D=(15~20):1YASUOBIYUEWEI3:1。

L/DTAIDAWULIAOZAILIAOTONGNEITINGLIUSHIJIANGUOZHANG,GUODUSHOURERONGYIYINQIJIANGJIE,YINGXIANGZHIPINXINGNENG。YASUOBITAIXIAOJIANQIESHENGRESHAO,YISUHUABULIANG,ZHIPINXINGNENGCHA。FANZHIHUISHIBOLIXIANWEIJIAODUODEDUANLIE,LIXUEXINGNENGXIAJIANG。JIAGONGBOLIXIANWEIZENGQIANGPETSHI,LIAOTONGNEIBIMOSUNJIAOLIHAI,LIAOTONGSHIYONGNAIMOCAILIAOZHIZAOHUOZHECHENYOUNAIMOCAILIAO。

PENJUYIDUANWEIHAO,NEIBIYAOQIUMOGUANG,KONGJINGYAOQIUJINKENENGDAXIE。YIYEYAZHIDONGFAMENSHIPENJUWEIHAO。PENJUYAOYOUBAOWENHEKONGZHIWENDUDECUOSHILAIBAOZHENGPENJUBUHUIDONGJIEDUSAI。DANSHIPENJUWENDUBUKETAIGAO,FOUZEZAOCHENGLIUXIAN。KAISHICHENGXINGQIANBIXUSHIYONGDIYAPPLIAO,BALIAOTONGQINGXIGANJING。

PETYUANLIAODEZHUYAOZHUSUCHENGXINGTIAOJIAN:

1、LIAOTONGWENDU。PETYUANLIAODECHENGXINGWENDUFANWEIZHAI,WENDUDEGAODIHUIZHIJIEYINGXIANGZHIPINDEXINGNENG。RUOWENDUGUODI,ZESUHUABUHAO,SHISUJIANCHUXIANAOXIAN、QUELIAODENGQUEXIAN;FANZHI,WENDUGUOGAO,HUIZAOCHENGYIBIAN,PENZUILIUXIAN,SEZEBIANSHEN,JIXIEQIANGDUXIAJIANG,SHENZHIYINQIJIANGJIE。TONGCHANG,LIAOTONGWENDUKONGZHIZAI240~280℃,BOXIANZENGQIANGPETDELIAOTONGWENDUWEI250~290℃,BUDECHAOGUO300℃,PENZUIWENDUYIBANBILIAOTONGWENDUDI10~20℃.

2、MOJUWENDU。MOWENZHIJIEYINGXIANGRONGLIAODELENGQUESUDUHEJIEJINGDU,JIEJINGDUBUTONG、ZESUJIANXINGNENGBUTONG。TONGCHANG,MOJUWENDUKONGZHIZAI100~140℃,DANGCHENGXINGBOBISUJIANSHI,KEQUXIAOZHI;CHENGXINGHOUBISUJIANSHI,KEQUDAZHI。

3、ZHUSHEYALI。PETRONGTIDELIUDONGXINGHAO,YIYUCHENGXING,TONGCHANGCAIYONGZHONGDENGYALI,YALIWEI80~140MPa,BOXIANZENGQIANGPETDEZHUSHEYALIWEI90~150MPa。ZHUSHEYALIDEQUEDING, YINGKAOLVPETDEZHANDU、TIANLIAODEZHONGLEIHESHULIANG,JIAOKOUDEWEIZHIJIDAXIAO,SUJIANDEXINGZHUANGHECHICUN、MOWEN、ZHUSUJILEIXINGDENG。

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