• Background

He aha ka hoʻoheheʻe puhi?

ʻO ka puhi ʻana i ke kaʻina hana o ka hana ʻana i ka paipu hoʻoheheʻe ʻia (i kapa ʻia ʻo ka parison a preform paha) o nā mea thermoplastic (polymer a resin paha) a kau i ka parison a i ʻole preform i loko o kahi lua puna a hoʻowahāwahā i ka paipu me ka ea i hoʻopili ʻia, e lawe i ke ʻano o ka lua a hoʻoluʻolu i ka ʻāpana ma mua o ka hemo ʻana mai ka punahelu.

Kekahi hollow thermoplastic ʻāpana hiki ke puhi mōlina.

ʻAʻole kau palena ʻia nā ʻāpana i nā ʻōmole, kahi kahi hoʻokahi wehe a ʻoi aku ka liʻiliʻi o ke anawaena a i ʻole ka nui ma mua o ka nui o ke kino. ʻO kēia kekahi o nā kinona maʻamau i hoʻohana ʻia i ka ʻōpala mea kūʻai aku, akā aia kekahi ʻano ʻano ʻē aʻe o nā ʻāpana huluhulu i hoʻoheheʻe ʻia, me, akā ʻaʻole i kaupalena ʻia.

  • Nā ipu nui ʻoihana
  • LAWN, māla a me nā mea pili hale
  • Nā lako olakino a me nā ʻāpana, nā mea pāʻani
  • Ke kūkulu nei i nā huahana ʻoihana
  • Kaʻa-ma lalo o nā ʻāpana hood
  • Nā mea pono o ka mīkini

Blow mōlina manufacturing aaioee

ʻEkolu ʻano nui o ka hoʻoheheʻe ʻana.

  • Moʻomanaʻo hāpau Extrusion
  • Hoʻomoʻi pā hōʻano
  • ʻO ka hoʻoheheʻe e hoʻolōʻihi i ka hoʻoheheʻe

ʻO nā ʻokoʻa nui i waena o lākou ka hana o ka hana ʻana i ka parison; a i ʻole ma ka extrusion a i ʻole ka hoʻoheheʻe ʻana, ka nui o ka parison a me ke ʻano o ka neʻe ma waena o ka parison a me nā blow blow; kahi kū, pani, laina a hoʻokaʻa paha.

I Extrusion Blow Molding- (EBM) hoʻoheheʻe ʻia ka polymer a hoʻoheheʻe ʻia ka hoʻoheheʻe extruded paʻa ma o ka make e hana i kahi puhaka a pākana paha. Hoʻopili ʻia ʻelua hapa o kahi puna anuanu a puni ka parison, hoʻolauna ʻia ka ea pressurized ma o kahi pin a nila paha, e hoʻoulu ana iā ia i ke ʻano o ka pala, a pēlā e hana ai i kahi ʻāpana. Ma hope o ke anuanu ʻana o ke aniani wela, wehe ʻia ka punahelu a hemo ka ʻāpana.

I ka EBM ʻelua ʻano hana o ka extrusion, Continuous and Intermittent. I ka hoʻomau ʻana, extruded ka parison mau a neʻe ka punahelu i a mai kahi parison. I Intermittent, hōʻiliʻili ʻia ka plastic e ka extruder i loko o kahi keʻena, a laila ikaika ma o ka make e hana i ka parison. Kū mau nā mould ma lalo a ma kahi paha o ka extruder.

ʻO nā laʻana o ke kaʻina hoʻomau mau nā mīkini hoʻomau Extrusion Shuttle a me nā mīkini Rotary Wheel. Hiki i nā mīkini extrusion intermittent ke Reciprocating Screw a i ʻole Accumulator Head. Manaʻo ʻia nā kumu like ʻole i ke koho ʻana ma waena o nā kaʻina hana a me ka nui a i ʻole nā ​​ana hoʻohālike i loaʻa.

ʻO nā laʻana o nā ʻāpana i hana ʻia e ka hana EBM e komo pū me nā huahana hollow he nui, e like me nā ʻōmole, nā ʻāpana hana, nā mea pāʻani, nā kaʻa, nā mea pono o nā mīkini a me nā pahu ʻenehana.

E pili ana i ka ʻōnaehana Blow Inject - (IBS), ua hoʻoheheʻe ʻia ka polymer i ke kumu i loko o kahi hakahaka e hana i kahi puhaka i kapa ʻia ʻo preform. Hoʻololi nā preforms ma ke koʻokoʻo kumu i ka puna puhi a i ʻole nā ​​hopena i ke kahua puhi e hoʻoulu ʻia a hoʻalili ʻia. Hoʻohana pinepine ʻia kēia kaʻina hana e hana i nā ʻōmole liʻiliʻi, ʻo ka maʻamau 16oz / 500ml a i ʻole emi iki ma nā huahana kiʻekiʻe loa. Hoʻokaʻawale ʻia ke kaʻina hana i ʻekolu mau ʻanuʻu: injection, puhi ʻana a me ka hemo ʻana, hana ʻia i loko o ka mīkini i hoʻohui ʻia. Puka mai nā ʻāpana me nā ana pololei i hoʻopau ʻia a hiki i ka hoʻopaʻa ʻana i nā hoʻomanawanui — me ka ʻole o nā mea keu i ka hoʻokumu ʻia ʻana he maikaʻi loa.

ʻO nā laʻana o nā ʻāpana IBS he hue lāʻau lapaʻau, ʻāpana olakino, a me nā mea hoʻonani a me nā pūʻulu huahana ʻē aʻe.

Hoʻohui Hoʻolaha Hoʻopiʻi Inject- (ISBM) ke ʻano o ka hoʻopili ʻana i ka Blow Molding- (ISBM) i ka hana IBS i hōʻike ʻia ma luna, no ka mea ua hoʻopili ʻia ka preform. A laila hāʻawi ʻia ka preform mould i ka popopo puʻupuʻu i kahi mokuʻāina, akā ma mua o ka puhi ʻana o ke kinona, hohola ʻia ka preform i ka lōʻihi a me ka radally. ʻO nā polymers maʻamau i hoʻohana ʻia ʻo PET a me PP, i loaʻa nā ʻano o ke kino i hoʻonui ʻia e ka ʻāpana lōʻihi o ke kaʻina hana. Hāʻawi kēia kau ʻana i ka ʻāpana hope loa i hoʻomaikaʻi ʻia a me nā waiwai pale i nā kaupaona māmā a me nā mānoanoa o ka paia ʻoi aku ka maikaʻi ma mua o IBS a i ʻole EBM — akā, ʻaʻole me ka ʻole o kekahi mau palena e like me nā ipu i lawelawe ʻia, a pēlā aku. Hiki ke hoʻokaʻawale ʻia ʻo ISBM i loko o ka Kekahi ʻAnuʻu a ʻAnuʻu ʻelua kaʻina hana.

I ka Kekahi ʻAnuʻu hana i ka hana preform a me ka hue ʻana o ka ʻōmole i ka mīkini like. Hiki i kēia ke hana i nā mīkini hoʻonohonoho 3 a 4 paha, (Inject, Conditioning, Blower and Ejection). Hiki i kēia kaʻina hana a me nā pono e pili ana ke lawelawe i nā puke liʻiliʻi a kiʻekiʻe o nā ʻano a me nā ʻōmole nui.

I ka ʻAnuʻu ʻelua Hoʻonohonoho mua ʻia ka ea i loko o ka preform me ka hoʻohana ʻana i kahi mīkini hoʻoheheʻe i hoʻokaʻawale ʻia mai ka molder blow. Hana ʻia kēia mau mea me nā ʻāʻī o nā ʻōmole, me nā pae ma ka hāmama o ka puka o ka pihi i pani ʻia. Hoʻoʻalili ʻia kēia mau preforms, mālama ʻia, a hānai ʻia ma hope i loko o ka mīkini hoʻoheheʻe wela. I ke kaʻina hana pālua Reheat Blow, hoʻomehana ʻia nā preforms (hoʻohana mau ʻia me nā heaters infrared) ma luna o kā lākou aniani aniani hoʻololi, a laila hohola a puhi ʻia me ka hoʻohana ʻana i ka ea kiʻekiʻe i loko o nā popo.

ʻO ke kaʻina ʻelua ʻelua kūpono i nā puke kiʻekiʻe loa o nā ipu, 1 lita a ma lalo, me ka hoʻohana conservative nui o ka resin e hāʻawi ana i ka ikaika nui, pale kaʻa a me nā hiʻohiʻona ʻē aʻe.

Hoʻohui i kāu manaʻo