Igwe na-afụ karama bụ igwe nwere ike ịfụ preforms emechara n'ime karama site na ụzọ teknụzụ ụfọdụ.Ka ọ dị ugbu a, ihe ka ọtụtụ n'ime igwe na-akpụ akpụ na-anakwere usoro ịfụ nke ụzọ abụọ, ya bụ, preheating - ịkpụzi ihe.
1. Na-ekpo ọkụ
A na-ekpochapụ preform site na oriọna dị elu iji kpoo ọkụ ma mee ka ahụ nke preform dị nro.Iji nọgide na-enwe ọdịdị nke ọnụ karama, ọnụ preform adịghị mkpa ka a kpoo ọkụ, ya mere a chọrọ ụfọdụ ngwaọrụ jụrụ oyi iji mee ka ọ dị jụụ.
2. Ịkpụzi ihe
Oge a bụ itinye preform preheated n'ime ihe a kwadebere, fesaa ya na nrụgide dị elu, ma fesaa preform n'ime karama achọrọ.
Usoro ịkpụzi ihe nkedo bụ usoro ịgbatị ụzọ abụọ, nke a na-agbatị ụdọ PET, gbakwasara ma kwekọọ n'akụkụ abụọ ahụ, si otú ahụ na-abawanye akụrụngwa nke mgbidi karama ahụ, na-emeziwanye ike, ike, na ike mmetụta, na inwe a. nnukwu arụmọrụ.Ezigbo ikuku tightness.Ọ bụ ezie na ịgbatị aka na-enyere aka mee ka ike dịkwuo mma, e kwesịghị ịgbatị ya nke ukwuu.Ekwesịrị ijikwa usoro mgbatị ahụ nke ọma: ntụziaka radial ekwesịghị gafere 3.5 ruo 4.2, na ntụziaka axial ekwesịghị gafere 2.8 ruo 3.1.Mgbidi mgbidi nke preform ekwesịghị gafere 4.5mm.
A na-eme mkpọtụ n'etiti okpomoku mgbanwe iko na okpomoku kristal, nke a na-achịkwakarị n'etiti ogo 90 na 120.N'ime oke a, PET na-egosipụta ọnọdụ ngbanwe dị elu, ọ na-aghọ karama transperent mgbe ọ gbasasịrị ngwa ngwa ịkpụzi, jụrụ na ịtọ ntọala.N'ime usoro otu nzọụkwụ, a na-ekpebi okpomọkụ a site na oge dị jụụ n'ime usoro ịkpụzi injection (dị ka igwe na-akpụzi Aoki), ya mere mmekọrịta dị n'etiti ntụtụ na ọdụ ụgbọ mmiri kwesịrị ijikọ nke ọma.
N'ime usoro ịkpụzi ihe, e nwere: ịgbatị - otu igbu - ihe ọkụkụ abụọ.Omume atọ ahụ na-ewe obere oge, ma ha ga-ejikọta ya nke ọma, karịsịa nzọụkwụ abụọ mbụ na-ekpebi nkesa n'ozuzu nke ihe na àgwà nke ịfụ.Ya mere, ọ dị mkpa iji dozie: mmalite oge ịgbatị, ịgbatị ọsọ ọsọ, mmalite na njedebe oge nke tupu ịfụ ọkụ, nrụgide na-ebute ụzọ, ọnụ ọgụgụ buru ibu na-agbapụta, wdg Ọ bụrụ na ọ ga-ekwe omume, mkpokọta okpomọkụ nkesa. nke preform nwere ike ịchịkwa.Okpomọkụ gradient nke elu mgbidi.Na usoro nke ịkpụzi ngwa ngwa na ime ka ọ dị jụụ, a na-ebute nrụgide na mgbidi karama.Maka karama ihe ọṅụṅụ carbonated, ọ nwere ike iguzogide nrụgide dị n'ime, nke dị mma, ma maka karama na-ekpo ọkụ, ọ dị mkpa iji hụ na a tọhapụrụ ya n'ụzọ zuru ezu n'elu iko mgbanwe okpomọkụ.
Oge nzipu: Ọgọst-02-2022