PET Yophulika Mold

1. Njira Yopangira Kuumba

Mabotolo a PET nthawi zambiri amapangidwa pogwiritsa ntchito njira yopangira mabowo awiri. Kuyambira pa botolo lokonzekera mpaka lomalizidwa, njirayi nthawi zambiri imaphatikizapo kutentha, kutseka bowola, kuyika mabowo otambasula, kupanga mawonekedwe, ndi kugawa. Ngakhale zingawoneke zosavuta, zimafuna kuwongolera kutentha, kuthamanga kwa mpweya, ndi nthawi.

Pakati pa masitepe awa, gawo loyambirira kuphulika ndi lofunika kwambiri pa ndondomekoyi. Kuwombera kumayamba pamene ndodo yotambasula ikutsika pansi, zomwe zimathandiza kuti preform ikhale ndi mawonekedwe oyamba ndikuikonzekera kuphulika kwamphamvu pambuyo pake. Mwanjira yabwino, botolo litatha kuphulika liyenera kukhala ndi mawonekedwe ofanana ndi spindle, zomwe zimathandiza kuonetsetsa kuti zinthuzo zikugawidwa mofanana.

Ngati mawonekedwe a dumbbell kapena mawonekedwe osakhazikika akuwoneka, nthawi zambiri amasonyeza kutentha kosagwirizana kapena magawo osayenera asanayambe kuphulika. M'mikhalidwe yotere, madera otentha kapena makonda a mpweya amafunika kusinthidwa mwachangu. Makulidwe osiyanasiyana a mabotolo alinso ndi zofunikira zosiyanasiyana zamtsogolo kuphulika. Mwachitsanzo, mabotolo akuluakulu nthawi zambiri amafunikira kuthamanga kochepa asanayambe kuphulika, pomwe makina opanga mwachangu amafuna kukhazikika kwakukulu kwa kuthamanga.

Ponseponse, kuwongolera kokhazikika kwa gawo loyambirira la kuphulika ndikofunikira kwambiri kuti zinthu zizikhala bwino komanso kuti pakhale zokolola zambiri.

2. Ntchito ya Blow Mold

Panthawi yopangira zinthu zophwanyika, nkhungu simangodziwa mawonekedwe akunja a botolo komanso imakhudza mwachindunji magwiridwe antchito a botolo komanso kukhazikika kwa zinthu. Nkhungu yophwanyika yapamwamba imapereka ulamuliro wolondola wa kukula kwake ndipo, kudzera mu kapangidwe koziziritsa bwino, imafupikitsa nthawi yopangira zinthu, zomwe zimathandiza kuti zipangizo zizigwira ntchito bwino komanso mosasinthasintha. Ngati nkhunguyo ilibe kulondola kapena kapangidwe kosayenera, ingayambitse kusintha kwa makoma, makulidwe osafanana, kapena kupanga kosakhazikika. Chifukwa chake, nkhunguyo si chida chopangira zinthu zokha, koma ndi gawo lofunikira kwambiri pakupanga zinthu zonse.

3. Momwe Mungasankhire Wogulitsa Blow Mold

Kusankha wogulitsa woyenera sikuti ndi mtengo wokha—kumafuna kuwunika kwathunthu kwa luso. Choyamba, ganizirani za luso ndi ukatswiri waukadaulo. Opanga omwe akhala akuyang'ana kwambiri pa PET blow molds nthawi zambiri amamvetsetsa bwino za katundu wazinthu ndi tsatanetsatane wa njira, zomwe zimawathandiza kupewa mavuto ambiri pagawo lopanga.

Chachiwiri, fufuzani zipangizo ndi luso lopanga. Zinyalala zapamwamba nthawi zambiri zimapangidwa ndi aluminiyamu yapamwamba kwambiri kapena chitsulo champhamvu kwambiri, kuphatikiza ndi makina olondola. Izi zimakhudza mwachindunji moyo wa nkhungu komanso kukhazikika kwa kupanga.

Kuphatikiza apo, luso losintha zinthu ndilofunika. Pa mapangidwe apadera a mabotolo kapena zofunikira pakugwira ntchito, kaya wogulitsa angapereke malingaliro okonzanso zinthu zidzakhudza kwambiri magwiridwe antchito omaliza a chinthucho. Pomaliza, chithandizo chogulitsa pambuyo pa malonda sichiyenera kunyalanyazidwa. Zinyalala zimafuna kukonzedwa ndi kusinthidwa pakapita nthawi, ndipo liwiro la yankho la wogulitsa komanso chithandizo chaukadaulo nthawi zambiri zimatsimikiza ngati kupanga kungayende bwino.