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PE注射成型工艺条件?
文章出处:精久机械     人气:2516     发表时间:2018-07-13

PEZHUSHECHENGXINGGONGYITIAOJIAN:

(1)JITONGWENDU  PEZHUSHECHENGXINGSHIDEJITONGWENDU,ZHUYAOSHIYIPEDEMIDUGAODIHERONGTILIUDONGSULVSHENDEDAXIAOWEIYIJU,QICIHAIYUZHUSHEJIDELEIXING、ZHIPINDEXINGZHUANGDENGYOUGUAN。YOUYUPEWEIJIEJINGXINGJUHEWU,ZAIRONGRONGSHIJINGLIYAOXISHOUYIDINGDERELIANG,YINCIJITONGWENDUYINGGAOYUTADERONGDIAN10℃ZUOYOU。YIBANQINGKUANGXIA,LDPEDEJITONGWENDUKEKONGZHIZAI140~180℃,HDPEDEJITONGWENDUZEKONGZHIZAI180~220℃。JITONGHOUDUANQUZUIXIAOZHI,QIANDUANQUZUIDAZHI。

(2)MOJUWENDU  MOJUWENDUDUIZHIPINDEJIEJINGZHUANGKUANGYOUJIAODADEYINGXIANG,MOWENGAO,RONGTILENGQUEMAN,ZHIPINJIEJINGDUGAO,QIANGDUYEJIUGAO,DANSHOUSUOLVZENGDA; MOWENDI,RONGTILENGQUESULVKUAI,ZHIPINDETOUMINGXING、RENXINGTIGAO,DANNEIYINGLIYESUIZHIZENGJIA,ZHIPINYIQIAOQUBIANXING。MOJUWENDUDEXUANZEYUPEDEMIDUYOUGUAN,TONGCHANGQINGKUANGXIA,LDPEDEMOWENWEI30~60℃,HDPEDEMOWENWEI50~80℃.BIHOU6mmYIXIADEZHIPINYINGSHIYONGJIAOGAODEMOJUWENDU,BIHOU6mmYISHANGDEZHIPINSHIYONGJIAODIDEWENDU。

  (3)ZHUSHEYALI  ZHUSHEYALIDEXUANQU,ZHUYAOSHIGENJURONGTIDELIUDONGXING、ZHIPINBIHOUJIXINGZHUANGERDING。YOUYUPEZAIRONGRONGZHUANGTAIXIADELIUDONGXINGHAO,YINCIJIAGONGSHIKECAIYONGJIAODIDEZHUSHEYALI,YIBANWEI60~80MPa;ERDUIYUYIXIEBOBI、ZHANGLIUCHENG、XINGZHUANGFUZA、ZHAISHAOKOUDEZHIPINHEMOJU,ZHUSHEYALIYINGSHIDANGTIGAOZHI120MPaZUOYOU。SUIRANTIGAOZHUSHEYALIKEJIANGDIZHIPINSHOUSUOLV,DANGUOGAOHUICHUXIANYIBIAN,ZHIPINNEIYINGLIZENGJIA。

(4)BAOYAYALI  YUEWEIZHUSHEYALIDE30%~60%。

(5)SUHUAYALI  5~20MPa。BEIYATAIDIYIZAOCHENGZHIPINZHILIANGHESESANBUJUN。

(6)ZHUSHESUDU  XUANZEZHONGSUHUOMANSU,BUYICAIYONGGAOSUZHUSHE,YINWEIZAIGAOSUZHUSHEGUOCHENGZHONG,PECUNZAIRONGTIPOLIEQINGXIANG,DANDUIBOBIBAOZHUANGRONGQIXUYAOGAOZHUSHESUDU。

(7)LUOGANZHUANSU  LUOGANDENIUJUJIAODI,YUNXUGAOLUOGANZHUANSU。ZHIYAOMANZULENGQUESHIJIANJIESHUQIANNENGWANCHENGSUHUAGUOCHENGJIUKEYI。

(8)CHENGXINGZHOUQI  CHULEYAOYOUSHIDANGDECHONGMOSHIJIANHELENGQUESHIJIANWAI,HAIYINGYOUZUGOUDEBAOYASHIJIAN,YIMIBUYINRONGTISHOUSUOERCHANSHENGDEQUELIAO、QIPAO、AOHENDENGQUEXIAN。BAOYASHIJIANYOUZHIPINDEHOUDUHELIUDAODEJIEMIANJIDAXIAOLAIJUEDING,YIBANZAI10~40sZHIJIAN。

  PEDEZHUSHECHENGXINGGONGYITIAOJIANJIANBIAO1-1.

BIAO1-1  PEDEZHUSHECHENGXINGGONGYITIAOJIAN

GONGYITIAOJIAN

LDPE

HDPE

JITONGWENDU/℃

SHUSONGDUAN

YASUODUAN

JUNHUADUAN

PENZUIWENDU/℃

MOJUWENDU/℃

ZHUSHEYALI/MPa

BAOYAYALI/MPa

LUOGANZHUANSU/(r/min)

CHENGXINGZHOUQI/s

 

140~160

150~170

160~180

150~170

30~50

60~100

40~50

60~100

40~140

 

150~160

170~180

180~200

160~180

50~70

70~100

50~60

40~80

40~120



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