1. Lapaʻau palaki
Ma muli o ka PET macromolecules i loko o nā pūʻulu lipid a loaʻa kekahi mau waiwai hydrophilic, ua maʻalahi ka palaoa i ka wai i ka wela kiʻekiʻe.Ke ʻoi aku ka nui o ka wai ma mua o ka palena, hoʻemi ka paona molekala PET i ka hana ʻana, a lilo nā huahana i kala a palupalu.
No laila, ma mua o ka hana ʻana, pono e hoʻomaloʻo ʻia ka mea, me ka mahana maloʻo o 150 ℃, ʻoi aku ma mua o 4 mau hola;maʻamau 170 ℃, 3-4 hola.Hiki ke hoʻohana ʻia ke ʻano ea no ka hoʻomaloʻo piha ʻana.ʻAʻole pono ma mua o 25% ka nui o nā mea hoʻoheheʻe ʻana i ka pahu pahu PET, a pono e hoʻomaloʻo ʻia nā mea hana hou.
2. Ke koho ʻana i ka mīkini hoʻoheheʻe injection
No ka mea he pōkole pōkole ka PET ma hope o ka hehee ʻana a me kahi helu heheʻe kiʻekiʻe, pono e koho i ka ʻōnaehana injection me ka ʻoi aku o nā ʻāpana mālama wela a me ka liʻiliʻi o ka paʻi ʻana a me ka hana wela i ka wā plasticizing, a me ke kaumaha maoli o ka huahana (me ka ʻaʻole pono e emi iho ma mua o 2/3 o ka nui o ka injection o ka mīkini.
3. Mold a me ka ninini puka hoʻolālā
ʻO ka'ōmole'ōmole PET, i hana mauʻia me ka'ōmole kahe wela, ka'ōpala a me ka mīkini hoʻoheheʻeʻana i ka mīkini ma waena o kaʻoi aku o ka maikaʻi e loaʻa i ka pā wela wela,ʻo kona mānoanoa ma kahi o 12mm, aʻo ka pā wela wela e hiki ke kū i ke kaumaha kiʻekiʻe.Pono e lawa ka exhaust no ka pale ʻana i ka wela a i ʻole ka ʻāpana ʻāina, akā ʻaʻole i ʻoi aku ka hohonu o ka port exhaust ma mua o 0.03mm, i ʻole e maʻalahi ka hana ʻana i ka ʻaoʻao lele.
4. Ka wela hehee
Loaʻa i ke ana ʻana o ka ea hoʻokuʻu ʻia, 270-295 ℃ ākea, hiki ke hoʻonohonoho ʻia ka GF-PET i hoʻonui ʻia i 290-315 ℃, etc.
5. ʻO ka wikiwiki o ka injection
Pono e wikiwiki ka wikiwiki o ka injection e pale i ka coagulation premature i ka wā o ka injection.Akā, wikiwiki loa, kiʻekiʻe ka shear rate, hana i ka mea palupalu.Hoʻopau maʻamau ka pana ʻana i 4 kekona.
6. Pumi hope
ʻO ka haʻahaʻa ka maikaʻi, e pale i ka ʻaʻahu.ʻAʻole iʻoi aku ma mua o 100bar, ʻaʻole i hoʻohana pinepine ʻia.
7. Ka manawa e noho ai
Mai hoʻohana i ka manawa paʻa lōʻihi e pale ai i ka hāʻule ʻana o ke kaumaha, a e hoʻāʻo e pale i ka mahana ma luna o 300 ℃.Inā emi ka pani ʻana ma mua o 15 mau minuke, e hana wale i ka mālama ʻana i ka ea;inā ʻoi aku ma mua o 15 mau minuke, a laila hoʻomaʻemaʻe me ka PE viscosity, a hoʻokuʻu i ka mahana cylinder i ka mahana PE, a hiki i ka hoʻomaka ʻana.
8. Hoʻomalu
ʻAʻole hiki ke ʻoi aku ka nui o nā mea hana hou, inā ʻaʻole, maʻalahi e hana i loko o ka mea "alahaka" a pili i ka plasticizing;
Inā ʻaʻole maikaʻi ka mālama ʻana i ka wela, a ʻaʻole kūpono ka mālama ʻana i ka mahana, maʻalahi e hana i ka "fog keʻokeʻo" a me ka opaque;He haʻahaʻa a ʻaʻahu ka mahana o ka mold, wikiwiki ka māmā hoʻomaha, emi ka crystallization, a laila maopopo ka huahana.
Aia ʻo Huangyan Leiao Molding Co., Ltd. ma Huangyan District mold city, Taizhou, Taizhou province, ʻo ia ʻo "The hometown of Chinese mold".Hoʻohana nui ʻia ka ʻoihana i ka hana ʻana i ka injection mold, he mau makahiki he nui o ka ʻike mold, ʻoi aku ka hana a me ka hana ʻana o ka ʻōmole embryo mold, PET commodity mold, bottle cap mold, kaʻa i loko a me nā mea hoʻonaninani waho… … ʻO ka ʻōnaehana hoʻoheheʻe i kona hoʻolālā kūʻokoʻa a me ka ʻenehana hana, e pili ana i ka manaʻo o ka "hoʻokele pono", me nā mea kūʻai aku kūloko a me nā haole e hoʻokumu i kahi pilina maikaʻi lōʻihi o ka launa pū ʻana, ke manaʻoʻiʻo nei au e lilo ʻo Leiao i kou hilinaʻi pono i ka hui. ʻoihana.
Ka manawa hoʻouna: Nov-03-2022