Kuchokera pa Njira Yopangira Kuti Muwone Momwe Mungapangire Mabotolo Apulasitiki Odzikongoletsera

The pulasitiki ma CD akamaumba ndondomeko mu makampani zodzoladzola makamaka amagawidwa m'magulu awiri: jekeseni akamaumba ndi kuwomba akamaumba.

Jekeseni Kumangira

Kodi jekeseni woumba ndi chiyani?

jekeseni akamaumba ndi ndondomeko Kutentha ndi plasticizing pulasitiki (kutentha ndi kusungunuka mu madzimadzi, plasticity), ndiyeno ntchito kukakamiza kubaya mu chatsekedwa nkhungu danga, kulola kuti kuziziritsa ndi kulimba mu nkhungu, kupanga mankhwala ndi mawonekedwe ofanana ndi nkhungu.Ndizoyenera kupanga misa ya magawo omwe ali ndi mawonekedwe ovuta.

Njira jakisoni

Makhalidwe a jekeseni akamaumba:

1. Kuthamanga kwachangu, kuthamanga kwapamwamba, digiri yapamwamba yopangira ntchito

2. Chogulitsacho chimakhala cholondola kwambiri, ndipo cholakwika chowoneka ndi chochepa kwambiri

3. Wokhoza kupanga ziwalo zokhala ndi mawonekedwe ovuta

4. Mtengo wapamwamba wa nkhungu

Zambiri zathubotolo lopanda mpweya, botolo lopaka pakhoma lawiriamapangidwa ndi jekeseni.

Kujambula kwamphamvu

Mawonekedwe a njira yowotchera:

Kujambula kuchokera kumayendedwe anthawi zonse akuwomba magalasi, kuwulutsa kumagwiritsa ntchito mpweya woponderezedwa ndi kukakamiza kwina kuti mufufuze ndikuziziritsa preform (thupi lapulasitiki lomaliza) mu nkhungu kukhala njira yopangira zinthu zopanda kanthu.Ndizoyenera kupanga zitsulo zapulasitiki zopanda kanthu.

Kuwomba Njira

Kodi mawonekedwe a nkhonya akamaumba?

1. Njira yosavuta yopangira, kupanga bwino kwambiri komanso zodzichitira

2. Kulondola kwapang'onopang'ono

3. Pali zoletsa zina pa mawonekedwe a mankhwala

4. Mtengo wotsika wa nkhungu

Malinga ndi masitepe ndi njira zosiyanasiyana zopangira, kuumba nkhonya kumatha kugawidwa m'mitundu itatu: kuwomba kwa extrusion, kuwomba kwa jekeseni, ndi kuwomba kwa jekeseni.

Choyamba ndi kufinya ndi kuwomba.Monga momwe dzinalo likusonyezera, kuphulika kwa extrusion kuli ndi njira ziwiri zazikulu: extrusion ndi kuwomba kuumba.

Gawo loyamba ndikuchotsa kutsekeka kwa nkhungu ya parison.Chipangizo cha extrusion chikupitiriza kufinya kuti apange parison ya tubular yopanda kanthu.Pamene parison ndi extruded kwa utali wokonzedweratu, pamwamba pa parison kudula kwa utali woyenerera chidutswa chimodzi, ndi zisamere pachakudya kumanzere ndi kumanja kutsekedwa.

Kuwombera 1

Gawo lachiwiri, kuwongolera mpweya.Mpweya woponderezedwa umalowetsedwa mu preform kudzera mu mandrel kuti ufufuze.Parishiyo imamatira kwambiri khoma lamkati la nkhungu kuti lizizizira komanso mawonekedwe, ndipo mankhwalawa amachotsedwa mu nkhungu, ndipo kudulidwa kwachiwiri kumachitika.Mtengo wa extrusion ndi kuwomba zida ndi nkhungu ndi otsika, ndipo mtengo kupanga nawonso ndi otsika.

Komabe, kung'anima kumachitika panthawi yopanga, ndipo pakamwa ndi pansi pa botolo zimafunika kudulidwa mwamakina kapena pamanja, ndipo nthawi zina pakamwa pa botolo pamafunika kupukutidwa ndi kukonzedwa.

Mchitidwe wowombera 2

Mabotolo apulasitiki opangidwa ndi extrusion-wowumbidwa amakhala ndi mzere wolekanitsa (mzere wozungulira) pansi, ndipo pakamwa pa botolo ndizovuta komanso zosasalala, kotero ena amakhala ndi chiopsezo chotaya madzi.Mabotolo oterowo nthawi zambiri amapangidwa ndi zinthu za PE ndipo amagwiritsidwa ntchito muzodzola monga mabotolo a thovu, mafuta odzola amthupi, ma shampoos ndi zowongolera.

Mtundu wachiwiri ndi kuwomba jakisoni, womwe uli ndi njira ziwiri zazikulu: kuumba jekeseni.

Khwerero 1: Kutsekeka kwa jekeseni-mold.

Gwiritsani ntchito njira yopangira jakisoni kuti mupange parison yotsika pansi, ndipo cholumikizira chimazungulira 120 ° mpaka ulalo wakuwomba.

The nkhungu chatsekedwa, ndi wothinikizidwa mpweya umalowetsedwa mu parison kudzera mandrel pores kwa kuwomba akamaumba.

Khwerero 2: Konzekeranitu kuzizira kwa inflation ndi kutsitsa.

Chopangidwa ndi mphutsi chikachiritsidwa kwathunthu ndikuwumbidwa, kontrakitala imazungulira 120 ° kuti ipangitse chinthucho.Palibe chifukwa chochepetsera chachiwiri, chifukwa chake kuchuluka kwa ma automation ndi kupanga bwino kumakhala kwakukulu.Chifukwa botolo limawomberedwa kuchokera ku parison yopangidwa ndi jekeseni, pakamwa pa botololo ndi lathyathyathya ndipo botolo limakhala ndi zosindikiza bwino, mongaTB07 kuwomba botolo mndandanda.

Mtundu wachitatu ndi kukoka manotsi ndi kuwomba.Imagawidwa m'masitepe atatu: jekeseni-wotambasula-wowombera.

Mosiyana ndi mtundu wa jakisoni wowombetsa, kuwomba kwa jekeseni ndiko kupanga mzere wa msonkhano.

Khwerero 1: Kutsekeka kwa jekeseni-mold

Ikani preform opangidwa ndi jekeseni mu nkhungu kuwomba

Ikani ndodo yotambasula ndikutseka nkhungu kumanzere ndi kumanja

Khwerero 2: Kutambasula-Kuwomba-Kuzizira ndi kugwetsa

Ndodo yotambasula imatambasulidwa motalika, pomwe mpweya umalowetsedwa kudzera mu ndodo yotambasula kuti itambasulire mbali.

Kuziziritsa ndi kuumba, kugwetsa ndi kuchotsa mankhwala

Kuwomba kwa jekeseni ndi komwe kumakhala kopambana kwambiri, kulondola komanso mtengo wake pakuumba nkhonya.

Pakalipano, pali njira ziwiri zopangira njira yowomba jekeseni, yotchedwa: njira imodzi ndi njira ziwiri.Kumangirira jekeseni ndi kuwomba kumalizidwa pamodzi mu njira imodzi, ndipo masitepe awiriwa amatsirizidwa paokha ngati njira ziwiri.

Poyerekeza ndi njira ziwiri, njira imodzi yokha imatsirizidwa muzitsulo zachitsulo chimodzi kuchokera ku zipangizo zopangira mankhwala.Njira yopangira ndi yosavuta ndipo palibe kutentha kwachiwiri kumaloledwa, choncho kugwiritsa ntchito mphamvu kumakhala kochepa.

Njira ziwiri zimafuna jekeseni woyamba wa preform, ndiyeno kukonza kwachiwiri pa makina opangira nkhonya.Kuwomba kumafuna kutentha kwachiwiri kwa preform yokhazikika, chifukwa chake kugwiritsa ntchito mphamvu kumakhala kwakukulu.

 

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Nthawi yotumiza: Dec-29-2021