Injection ịkpụzi usoro nke PVC ihe onwunwe
Ihe PVC dị ọnụ ala, ihe na-adịghị ahụkebe na-egbu egbu, siri ike ma sie ike, ezigbo nguzogide kemịkalụ, ọnụọgụ nke 0.2-0.6%, ngwaahịa ndị a na-ejiwanye ngwa eletriki, igwe, ihe owuwu, ihe ndị dị mkpa kwa ụbọchị, ihe egwuregwu ụmụaka, nkwakọ ngwaahịa, maka njirimara nke Ihe PVC, nyocha nke usoro ịkpụzi injection ngwaahịa bụ nke a:
一, Njirimara nke ihe PVC
PVC thermal kwụsie ike na-adịghị mma, ịkpụzi okpomọkụ na decomposition okpomọkụ dị nso, ogbenye agagharị, ọdịdị dị mfe na-etolite ọjọọ ntụpọ, PVC ihe okpomọkụ na-eguzogide adịghị mma, ndị kasị mfe ọkụ, acidic gas na corrosion nke ebu, nhazi. nwere ike ịgbakwunye plasticizer iji mee ka mmiri dịkwuo elu, - n'ozuzu ga-agbakwunye ihe mgbakwunye iji mee ihe, ike ya, mkpuchi ọkụ eletrik, ezigbo nguzogide kemịkalụ.
二, ebu na ọnụ ụzọ ámá imewe
Iji mee ka usoro ịgba ọgwụ ahụ dị mkpụmkpụ, ọdụ ụgbọ mmiri dị mkpụmkpụ ka mma, akụkụ obe kwesịrị ịdị ka ogige, dayameta kacha nta nke ọdụ ụgbọ mmiri bụ 6 mm, n'ime cone ogige, akụkụ dị n'ime nke ogo 5, ọkacha mma. na olulu mmiri oyi, olulu mmiri oyi nwere ike igbochi ihe ndị na-agbaze ọkara siri ike n'ime oghere, ihe ndị a ga-emetụta njedebe elu na ike ngwaahịa.
Mkpọda anwụ kwesịrị ịdị n'etiti 0.50 na 10 iji hụ na oghere ahụ nwere akụrụngwa ikuku zuru oke.Ogo oghere a na-ahụkarị bụ 0.03-0.05mm miri na 6mm n'obosara, ma ọ bụ 0.03-0.05mm mkpochapụ gburugburu ntụtụ ejector ọ bụla.Ekwesịrị iji igwe anaghị agba nchara ma ọ bụ chrome siri ike mee ọnwụ ahụ.
三, PVC ịkpụzi usoro
PVC bụ plastik na-enwe mmetụta okpomọkụ.Ikpo oke ọkụ ma ọ bụ ịkwa akwa ga-eme ka ire ere ma gbasaa ngwa ngwa, n'ihi na otu n'ime ngwaahịa ndị na-emepụta ihe (dị ka acid ma ọ bụ HCI) ga-enwe mmetụta catalytic, na-eme ka usoro ahụ dịkwuo mma, na acid ga-emebi ígwè ma mee ka ọ gbanwee.Ọ bụrụ na a na-agbapụta ya, mkpuchi mkpuchi nke ígwè ahụ ga-apụ apụ, na-eme ka nchara, nke na-emerụ ahụ mmadụ.The nkịtị ịghasa ogologo-dayameta ruru bụ 18 ~ 24:1, atọ-ogbo ruru 3:5:2, na mkpakọ ruru bụ 1.8 ~ 2.A na-atụ aro omimi nke screw groove na ngalaba nri dị ka ndị a:
Ọsọ ịgba ntụtụ kwesịrị ịdị nwayọ, ma ọ bụghị ịkpacha oke ga-emebi ihe.Mgbe ị na-eji UPVC iji mepụta ngwaahịa nwere mgbidi dị oke mma, a ga-eji ọsọ ịgba ọsọ n'ọkwa dị iche iche.Ọ bụrụ na ọnyá na-acha aja aja na-apụta n'ọnụ ụzọ ámá, ọ pụtara na ịgba ọgwụ mgbochi ahụ dị oke elu.ngwa ngwa.
N'ọnụ nke ịghasa kwesịrị inwe n'ime akụkụ nke 25 ~ 30 degrees.Mgbe ịghasa bụ ebe, anya n'etiti n'ọnụ na nozzle kwesịrị 0.7 ~ 1.8mm.A ghaghị iji igwe anaghị agba nchara ma ọ bụ chrome-plated mee ihe ịghasa.
1)Ịghasa gasket: The ịghasa gasket bụ n'etiti 2 ~ 3mm, na nnukwu-ọnụ ọgụgụ ohere bụ ibu.
2)Olu igba ogwu: Oge obibi n'ezie ekwesịghị ịfe nkeji 3.
3) Ntọala okpomọkụ Barrel:
Okpomọkụ enyere bụ naanị maka ntụnye aka, a na-eme mgbanwe kwesịrị ekwesị dabere na ọnọdụ igwe na akụrụngwa, nke nwekwara ike gafere oke akwadoro.
The okpomọkụ nke etiti nri ngalaba na n'ihu ngalaba nke ebu nozulu (0C) 30-60 170-190 160-180 150-170
The injection olu eji 140-160 bụ 20 ~ 85% nke theoretical injection olu nke igwe.Ka obere olu injection ahụ na-eji n'ezie, ogologo oge nke ihe ahụ na-adị ogologo ma na-abawanye ohere nke ịdaba mgbe ikpo ọkụ gasịrị.cin.com
4) Oge obibi Barrel:
N'okpuru njikwa okpomọkụ nke 2000C (ihe rubber), oge obibi kacha elu nke gbọmgbọm nwere ike gafere 5 nkeji, mgbe okpomọkụ dị 2100C.
5) Ọsọ ịgba ọgwụ:
Ọsọ ịgba ntụtụ kwesịrị ịdị ngwa ngwa, ma ọ bụghị ya, ihe ahụ ga-emebi emebi n'ihi ịkwa akwa.Ekwesịrị iji ọsọ injection ọtụtụ ọkwa mgbe ị na-eji UPVC mepụta ngwaahịa mgbidi dị oke ezigbo ụtọ.Ọ bụrụ na enwere ọnyá na-acha aja aja na-apụta site na ọnụ ụzọ ámá, ọ pụtara na ịgba ọgwụ mgbochi ahụ dị oke elu.ngwa ngwa.
Lelee PVC Ball Valves
Oge nzipu: Jun-01-2022