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Polyethylene pipe usoro mmepụta bụ extrusion usoro maka granular ihe na-ebubata n'ime extruder na okpomọkụ.

Mmepụta nke ọkpọkọ polyethylene

Mgbe ahụ, a na-edozi ihe ahụ site na ịghasa (mkpanaka spiral) ka a na-agbanye ya wee wepụ ya na extruder n'ime ihe.A na-akpụzi nri a na-esi nri mgbe ọ hapụsịrị ebu ahụ, a na-akpụzi ikuku calibrator na nrụgide tankị nke ọma.Mgbe ịpụpụ n'elu calibrator tube elu site n'ígwé nke mmiri eruba na-mma.
Okpomọkụ dị elu nke gbazere polyethylene tank mgbe ewepụsịrị ya na ebu na agụụ wee jiri nwayọọ nwayọọ belata tankị jụrụ oyi site na iji mmiri oyi.
kpọmkwem nha na bee.
Usoro mmepụta niile na-arụ ọrụ nke ọma site na ngwaọrụ ndị na-achịkwa ma nyochaa àgwà nke ngwaahịa ikpeazụ na-anabata na aha ụlọ ọrụ na ụkpụrụ.
Nnwale oge a na-eme ihe na-emepụta pipụ polyethylene
Ụdị ule mmepụta PE pipe bụ ndị a:
Ndekọ mgbaze agbaze (INSO 6980-1)
Na-achọpụta njupụta (INSO 7090-1)
Mkpebi nke soot (ISO 6964)
Nkesa soot (ISO 18553)
Nnwale tensile (ISO 6259-1,3)
Nnwale nrụgide Hydrostatic (ISIRI 12181-1,2)
Nnwale nrụgide mgbawa (ASTM D 1599)
Laghachi na ule thermal (INSO 17614)
Ọle na tube nlele anya (INSO 2412)
Nnwale nkwụsi ike nke okpomọkụ na ọnụnọ oxygen OIT (ISIRI 7186-6)

Ndekọ mgbaze agbaze (INSO 6980-1):
N'ime ule a, a na-atụle ọnụego mgbaze ihe na-agbaze na oge a kapịrị ọnụ na okpomọkụ, na nsonaazụ ya, otu esi edozi ihe dị n'ime extruder kwesịrị ịtụle.
Nnwale akụrụngwa (iji kwado ịdị mma nke ihe) yana na ngwaahịa ahụ.Uru MFI nke ngwaahịa agaghị agafe 20% ± akụrụngwa dị iche iche MFI.
• Ịchọpụta njupụta (INSO 7090-1)
A na-ekpebi njupụta nke akụrụngwa na ụzọ njupụta ngwaahịa na-eji nguzozi mmiri ziri ezi na njupụta ụfọdụ."Njupụta ọnụ ọgụgụ nke ngwaahịa, àgwà nke usoro mmepụta ihe.
• Mkpebi nke soot (ISO 6964) na nkesa soot (ISO18553)
Soot na akụrụngwa na ngwaahịa ikpeazụ kpebisiri ike.
Onu ogugu anabatara nke oji oji na polyethylene pipe 2 ruo 5.2% arọ nke kwesiri ikesa n'ofe ya.

• Nnwale (ISO 6259-1,3)
Iji specialized laabu, na n'ibu Njirimara nke polyethylene ọkpọkọ, gụnyere kacha ike megide mpụga ibu, elongation na ezumike, ọnụọgụ nke elasticity na deflection n'okpuru ibu atọ-isi nwere ike tụrụ na dị ka nsonaazụ nke ule, anyị nwere ike inwale. arụmọrụ nke ngwaahịa n'oge ọrụ.
• Nnwale nrụgide Hydrostatic (ISIRI 12181-1,2)
A na-eme nyocha iji nyochaa ike ngwaahịa ahụ megide nnwale nrụgide hydrostatic., na-etinye n'okpuru nrụgide dị n'ime mgbe niile.
Nkwarụ ọ bụla dị na nlele (mgbawa, mgbawa, ọzịza mpaghara, ntapu na mgbawa dị mma) pụtara na ngwaahịa ahụ adaala.
• Nnwale nrụgide mgbawa (ASTM D 1599)
N'ime ule a, tube tube na-ese n'elu ọdọ mmiri nke nwere okpomọkụ nke 23 Celsius C mgbe ahụ wee tinye ya n'okpuru nrụgide dị n'ime ya, nke mere na ka oge 60 ruo 70 sekọnd, zaa wee mee ka mgbawa.

Ọpụpụ na-enweghị mgbawa ma ọ bụ na-agbaji na oghere ogologo ogologo adịghị mma maka oriri.
• Nnwale kpo oku azụ (ISO 2505)
Odika ogologo nke 20 cm samples n'ime otu, na-ekpo ọkụ ikuku mgbasa (2 ± 110) Celsius C maka otu awa atọ (dị ka ọkpọkọ mgbidi ọkpụrụkpụ), na mgbe obi jụrụ bụ ndị dị otú ahụ ogologo nke tube, ga-erughị ala. ala mbụ na okpomọkụ nkịtị, nke nwere ike iduga mgbanwe na ọkpọkọ omume arụnyere na ọkpọkọ gburugburu, ya mere ule dị n'elu na-ejedebe mgbanwe ogologo oge (ruo 3%) na ụlọ nyocha.

• nha na tube nyocha anya (INSO 2412)
Ọkpụkpụ polyethylene aghaghị ịbụ nke enweghị isi (n'ime na elu) na oghere miri emi.Nkịta dị ntakịrị ma ọ bụrụ na ha ebelataghị ọkpụrụkpụ na-erughị oke, bụ nke a na-apụghị izere ezere.
Kpọmkwem designation nke ọkpọkọ mgbidi ọkpụrụkpụ iji ultrasonic ọkpụrụkpụ nlele calibrated calipers na ọnwụ ngalaba n'oge a opi.
A tụrụ dayameta mpụta nke tube ahụ site na iji eriri igwe graded (Sykrvmtr) yana n'akụkụ alaka ụlọ ọrụ wee gosipụta nkezi uru.