Gbɛ ni atsɔɔ nɔ atsuɔ plastic nibii ni afee lɛ ŋmɔŋ lɛ ahe nii titri ji rɔbɔt mli nibii lɛ ashãa, amɛhoɔ, ni amɛhaa amɛhe jɔɔ ni amɛfeɔ nibii ni agbe naa. Eji gbɛ ni atsɔɔ nɔ adɔɔ nii ni no sɛɛ lɛ ehaa edɔɔ. Eji gbɛ ni atsɔɔ nɔ atsakeɔ plastic lɛ kɛjɛɔ nibii bibii amli kɛyaa henɔi srɔtoi amli hu. Atsɔɔ bɔ ni atsuɔ nii ahaa lɛ mli kɛjɛɔ nifeemɔi srɔtoi lɛ ajwɛŋmɔi amli.
1.Shãa
Nɔ ni haa tsɔne lɛ mli la lɛ haa nibii bibii ni akɛtsuɔ nii lɛ shwieɔ shi fiofio ni etsɔɔ nu ni hoɔ, ni no ji nɔ ni sa titri kɛha nibii srɔtoi ni akɛtsuɔ nii lɛ amli dɔlɛ tsakemɔ. Kɛ́ hulutsoo be lɛ tee hiɛ lɛ, ebaaha nibii ni akɛtsuɔ nii lɛ aya oya, ni baanyɛ aha nitsumɔ lɛ aya hiɛ shi ekolɛ ebaahaa nibii ni anáa lɛ aya hiɛ. Esa akɛ efee Balance ni sa. Kɛfata he lɛ, nɔ ni hi ni jɛɔ mli baa kɛ sui ni yɔɔ PP ni mli edɔ waa lɛ mli lɛ ji akɛ, ehi jogbaŋŋ akɛ aaafee nibii ni afee lɛ ŋmɔlɔŋmɔlɔ kɛya die lɛ mli yɛ be mli ni afeɔ lɛ koni akawo mli loo sɛɛkuu ni fa bɔ ni sa. Backflow tsɔɔ akɛ nibii ni afee lɛ ŋmɔŋ lɛ hoɔ oya fe nɔ ni ajieɔ lɛ kpo lɛ. Nibii ni yaa hiɛ yɛ mlijaa mlijaa mli lɛ kɛ MFR ni yaa hiɛ lɛ yeɔ egbɔ, ni eji gbɛi ni yɔɔ ni atsɔɔ nɔ atsuɔ nii lɛ ateŋ ekome, shi ekɛ MFR mlijaa ni ejaaa hu baa, ni baanyɛ aha shihilɛ ni bɛ shiŋŋ lɛ aya hiɛ, ni baanyɛ aha tɔmɔi lɛ aya hiɛ. Shi, PP nibii ni agbe naa lɛ jeee nibii ni yɔɔ ŋwɛi ŋta yɛ nitsumɔ hewɔ, no hewɔ lɛ, nɔ ni jɛɔ mli baa lɛ daaa.
2. Skru
PP nitsumɔ lɛ mli babaoo ji nɔ ni skru lɛ kudɔɔ koni ekɛkudɔ nu ni hoɔ, no hewɔ lɛ bɔ ni afee skru lɛ aha lɛ yɛ hewalɛ kpele. Diamita lɛ dalɛ saa nɔ ni jɛɔ mli baa lɛ he, ni bɔ ni tsɔne lɛ mli tsiimɔ yɔɔ ha lɛ saa nɔ ni tsiimɔ yɔɔ mli lɛ he kɛ nɔ ni jɛɔ mli baa lɛ kɛ nɔ ni jɛɔ mli baa lɛ he. Nibii srɔtoi hu fata enɛ he. (Kɔla masterbatches, nibii ni akɛfataa he kɛ nibii ni tsakeɔ) futumɔ hewalɛ. Nibii ni akɛtsuɔ nii lɛ amli shweremɔ lɛ damɔ tsɔne ni haa hulu tsoɔ lɛ nɔ titri, shi hulutsoo ni shwieɔ shi lɛ hu baaha hulutsoo ni shwieɔ shi lɛ aba koni ekɛha nu lɛ aya oya, no hewɔ lɛ, screw compression ratio lɛ faaa ni shwiemɔ lɛ hu faaa, ni esa akɛ atsake oyaiyeli lɛ nɔ. Nibii ni haa mɔ he jɔ̃ɔ ehe lɛ baafee nɔ ni fe skru ni yɔɔ tsɔne ni haa mɔ he jɔɔ lɛ babaoo lɛ nɔ lɛ. No hewɔ lɛ, bei pii lɛ, akɛɛ akɛ mɔ ko bɛ ni he esa yɛ plastic nitsumɔ mli, ni mɔ ni nuɔ bɔ ni tsɔne lɛ tsuɔ nii ehaa lɛ shishi jogbaŋŋ lɛ ji mɔ ni he esa waa. Nibii ni afee lɛ hulutsoo lɛ jeee hulutsoo pɛ, shi moŋ hulutsoo ni tswaa kɛ hulutsoo be hu. No hewɔ lɛ enɛ ji naagba ko ni anyɛɔ atsuɔ he nii, ni niiashikpamɔ yeɔ ebuaa ni atsuɔ nibii afeemɔ he naagbai kɛ bɔ ni amɛtsuɔ nii jogbaŋŋ amɛhaa lɛ ahe nii. Kɛ ehe miihia ni skru lɛ aná nɔ ko ni hi jogbaŋŋ ni akɛfutuɔ nii lɛ, bei komɛi lɛ, afeeɔ skru sɔrɔtoi ni yɔɔ fãi enyɔ loo skru ni hiɛ fãi enyɔ ni ajaa skru henɔi srɔtoi amli awoɔ fãi amli koni anyɛ ana futumɔ nibii srɔtoi.
3. Mold loo gbo yitso
Plastic tsakemɔ damɔ ŋmɔtɔ loo gbonyo yitso lɛ nɔ. Nibii ni akɛwoɔ tsɔne mli lɛ yɛ fãi etɛ, ni tsɔne lɛ mli wa fe no. Esa akɛ asusu bɔ ni shrinkage lɛ yaa nɔ ehaa lɛ he. Ekrokomɛi lɛ ji yitsei ni yɔɔ ŋmɔlɔŋmɔlɔ, ni yɔɔ ŋmɔlɔŋmɔlɔ, kɛ nɔ ni tamɔ tsɔne ni yaa nɔ egboɔ. Kɛji akɛ amɛji sui krɛdɛɛi lɛ, Abuɔ lɛ akɛ heterogeneous ni ehe miihia ni agbala ejwɛŋmɔ kɛya naagba ni kɔɔ hulutsoo kɛ sui ahe lɛ nɔ amrɔ nɔŋŋ. Afee plastic tsɔnei lɛ ateŋ babaoo tamɔ tsɔnei ni akɛwoɔ mɔ mli lɛ, ni hewalɛ ni akɛjieɔ nii kɛjɛɔ mli ni skru lɛ tsirɛɔ lɛ baaha tsɔnei bibii ni ajieɔ nibii kɛjɛɔ mli lɛ anɔ hewalɛ waa, ni enɛ baaha nitsumɔ lɛ aya hiɛ jogbaŋŋ. Kɛji akɛ afee die yitso lɛ tamɔ kɔɔyɔŋ lɛlɛ, bɔ ni aaafee aja nibii ni akɛtsuɔ nii lɛ pɛpɛɛpɛ yɛ ŋwɛi fɛɛ lɛ, bɔ ni afee hanger die yitso lɛ he hiaa waa, ni hegbɛ ni yɔɔ fɛo ni akɛmiimii nɔ lɛ haa nibii ni akɛtsuɔ nii ni yɔɔ loo lɛ mli pɔmp lɛ mli lɛ yaa hiɛ.
4. Hejɔɔmɔ
Kɛfata sprue shinaa ni shwieɔ nibii ni akɛtsuɔ nii lɛ ahe lɛ, injection mold lɛ hu yɛ nu ni haa mɔ he jɔɔ lɛ gbɛ ni haa nibii ni akɛtsuɔ nii lɛ mli jɔɔ lɛ he mfonirifeemɔ. Nibii ni ajieɔ kɛjɛɔ mli lɛ damɔɔ nu ni haa mɔ he jɔɔ lɛ gbɛ ni yɔɔ rola lɛ mli lɛ nɔ koni enyɛ ená nɔ ni haa mɔ he jɔɔ lɛ, ja kɔɔyɔɔ mli tsɔne lɛ pɛ, afɔseɔ nu ni haa mɔ he jɔɔ lɛ tɛ̃ɛ yɛ tsɔne ni akɛfutuɔ nii lɛ nɔ, kɛ gbɛ ni atsɔɔ nɔ ajieɔ nu lɛ tamɔ hollow blowing.
5. Etsamɔ
Nibii ni agbe naa lɛ ni akɛtsuɔ nii ekoŋŋ kɛ esɛɛyaa lɛ baaha nɔ ni jɛɔ mli baa lɛ aya hiɛ. Akɛ nɔkwɛmɔnɔ lɛ, tsɔne ni akɛfiɔ tsɔne lɛ he lɛ ji nɔ ni hiɛ kɛ sɛɛ tsɔne lɛ kudɔɔ yɛ oyaiyeli srɔtoi amli koni ekɛ sɛɛkuu lɛ aba. Akɛ hewalɛ ni yɔɔ oriented extension fã ni yɔɔ nibii ni agbe naa lɛ mli lɛ mli lɛ mli waa ni ebɛ mlɛo akɛ aaagbala, shi eji mlɛo waa akɛ aaagbala yɛ gbɛ ni tsɔɔ ŋwɛigbɛ lɛ nɔ. Molecular weight mlijaa lɛ hu saa sɛɛkuu lɛ he yɛ oyaiyeli nifeemɔ mli. Nibii fɛɛ ni ajieɔ kɛjɛɔ mli ni fibers fata he lɛ yɛ sɛɛgbɛtsɔɔmɔi srɔtoi. Abaanyɛ abu vacuum kɛ pressure feemɔ hu akɛ eji gbɛ kroko ni atsɔɔ nɔ atsakeɔ nii.
6. Tsɔɔmɔ
Nibii ni afee lɛ ŋmɔŋ fɛɛ yɛ shrinkage he naagba. Nɔ ni kɛ shwiili lɛ baa ji hulutsoo mlilɛɛmɔ kɛ fɛ̃i shwiili kɛ mligbɛ nɔnyɛɛ ni jɛɔ mli baa yɛ kristalo feemɔ be mli lɛ. Kɛ aawie he lɛ, hulutsoo mlilɛɛmɔ kɛ hulutsoo mli shweremɔ ji nɔ ni yɔɔ mlɛo akɛ abaaye nɔ kunim. Abaanyɛ afee kɛtsɔ be ni akɛwoɔ mli lɛ mlilɛɛmɔ nɔ yɛ nitsumɔ mli, kɛ nɔnyɛɛ ni yaa nɔ akwɛɔ nɔ lɛ nɔ. Bei pii lɛ, kristalo nibii ni afee lɛ ŋmɔŋ lɛ yɛ shrinkage srɔtofeemɔ ni da fe amorphous nibii lɛ, ni ji aaafee PP mlijaa akpe kome. Nyɔŋma kɛ ekpaa, shi ABS ji aaafee akpei ejwɛ pɛ. Srɔtofeemɔ lɛ fã nɛɛ da waa. Ehe miihia ni aye fã nɛɛ nɔ kunim yɛ tsɔne lɛ nɔ, loo bei pii lɛ, akɛ nibii ni haa tsɔne lɛ shwieɔ shi lɛ fataa he koni akɛye naagba ni ji LDPE lɛ nɔ kunim bei pii lɛ akɛfataa tsɔne ni ajie lɛ kpo lɛ he koni ekɛha tsitsi lɛ he naagba lɛ aya hiɛ.
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Be ni akɛmajeɔ: Alemle-18-2020