caozonggongyici)wendujiezhiguimojialiaoduan120—130℃;chuisujiqidejinsuoduan(150±10)℃:junhuaduan170~180℃。caozongzhuzhongshibian:jiare。jitouyujichujijitongjingyouguochengjiareqijiaredaosuoxuwendu,baowenyiduanshihou。jialiao。zaibaowenhou,kaidongjichuji,chashouzaishengliliao。kaichudisuyunzhuan,dangrongrongtibeichuizhangchengguanmohouzaimanmanjinbuluoganzhuansu。tiliao。jiangzuihoujichudeguanmozhelongbingjiangqishangti,tongshitongrushaoxufenwei,yibimianxianghunianjie。weiliao。jiangtiqideguanmojingyouguochengrenziban,weirenjiagun,yachengpingmo,zaiyoudaogunsongrenjuanquzhuangpei。chongqi。dangguanmoweigunjinhou,biankejiangfenweichongrenguanmotingzhichuizhang,yidaodaqingqiudefukuan,bingzaiguanmozhongjianchihengdingdeyali。
中空吹塑机机加工时应注重:
①熔融的物料坯放人中空成型机中的模具内,而后通紧缩氛围吹胀定型;
②挤出机的螺杆转速不宜太低,以避免熔融料坯折断;
③螺杆各段温度应恰当高于模压成型工艺中的各段温度,获得必然黏度熔融体;
④通入的紧缩氛围的充气压力节制在0.3—0.8MPa。
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