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Gutera inshinge uburyo butanu bwa plastiki rusange

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Note: Amazi ya PP kumpamvu zitandukanye aratandukanye rwose, kandi igipimo cya PP gikoreshwa muri rusange kiri hagati ya ABS na PC.

A. Uburyo bwo guterwa inshinge za polipropilene (PP)

Amazi ya PP kumpamvu zitandukanye aratandukanye rwose, kandi igipimo cya PP gikoreshwa muri rusange kiri hagati ya ABS na PC.

1. Gutunganya plastike

PP yera ni amahembe y'inzovu yera kandi irashobora gusiga amabara atandukanye. Kubirangi bya PP, gusa ibara ryibara rishobora gukoreshwa kumashini rusange yo gutera inshinge. Ku mashini zimwe, hariho ibintu byigenga bya plastike byigenga bishimangira kuvanga, kandi birashobora no gusiga irangi hamwe na toner. Ibicuruzwa bikoreshwa hanze byuzuye muri UV stabilisateur na karubone yumukara. Ikigereranyo cyo gukoresha ibikoresho bitunganijwe ntigishobora kurenga 15%, bitabaye ibyo bizatera imbaraga kugabanuka no kubora no guhinduka amabara. Mubisanzwe, nta buryo bwihariye bwo gukama busabwa mbere yo guterwa inshinge za PP.

2. Guhitamo imashini ibumba inshinge

Nta bisabwa bidasanzwe byo gutoranya imashini zitera inshinge. Kuberako PP ifite kristu yo hejuru. Imashini ishushanya imashini ya mudasobwa ifite umuvuduko mwinshi wo gutera no kugenzura ibyiciro byinshi. Imbaraga zo gufatira muri rusange zagenwe kuri 3800t / m2, naho inshinge ni 20% -85%.

3. Igishushanyo mbonera

Ubushyuhe bwububiko ni 50-90 ℃, nubushyuhe bwo hejuru bukoreshwa mubisabwa hejuru. Ubushyuhe bwibanze burenze 5 ℃ munsi yubushyuhe bwa cavity, diameter yiruka ni 4-7mm, uburebure bw irembo ryurushinge ni 1-1.5mm, kandi diameter irashobora kuba nto nka 0.7mm.

Uburebure bw irembo ryuruhande ni bugufi bushoboka, hafi 0.7mm, ubujyakuzimu ni kimwe cya kabiri cyubugari bwurukuta, naho ubugari bukubye kabiri uburebure bwurukuta, kandi bizagenda byiyongera buhoro buhoro hamwe nuburebure bwamazi ashonga mu cyuho. Ifumbire igomba kugira umuyaga mwiza. Umwobo wa vent ni 0.025mm-0.038mm z'uburebure na 1.5mm z'ubugari. Kugira ngo wirinde kugabanuka, koresha uruziga runini kandi ruzengurutse uruziga ruzenguruka, kandi ubunini bwimbavu bugomba kuba buto (Urugero, 50-60% yubugari bwurukuta).

Ubunini bwibicuruzwa bikozwe muri homopolymer PP ntibigomba kurenga 3mm, bitabaye ibyo hazabaho ibibyimba (ibicuruzwa byurukuta rwinshi bishobora gukoresha PP ya copolymer gusa).

4. Ubushyuhe bwo gushonga: Ingingo yo gushonga ya PP ni 160-175 ° C, naho ubushyuhe bwangirika ni 350 ° C, ariko ubushyuhe bwo mugihe cyo gutunganya inshinge ntibushobora kurenga 275 ° C, kandi ubushyuhe bwigice cyo gushonga nibyiza 240 °. C.

5. Umuvuduko wo gutera inshinge: Kugirango ugabanye imihangayiko yimbere no guhindura ibintu, hagomba gutoranywa inshinge yihuta, ariko amanota amwe ya PP nububiko ntibikwiye (amabyi numurongo wikirere bigaragara). Niba ubuso bwashushanyije bugaragara hamwe numurongo wijimye kandi wijimye ukwirakwizwa n irembo, inshinge zihuta hamwe nubushyuhe bwo hejuru burakenewe.

6. Gushonga umuvuduko winyuma winyuma: 5bar gushonga umuvuduko winyuma urashobora gukoreshwa, kandi umuvuduko winyuma wibikoresho bya toner urashobora kwiyongera muburyo bukwiye.

7. Gutera inshinge no gufata igitutu: Koresha umuvuduko mwinshi (1500-1800bar) no gufata igitutu (hafi 80% yumuvuduko watewe). Hindura gufata igitutu hafi 95% ya stroke yose hanyuma ukoreshe igihe kirekire.

8. Nyuma yo kuvura ibicuruzwa: Kugirango wirinde kugabanuka no guhindura ibintu biterwa na nyuma ya kristu, ibicuruzwa muri rusange bigomba gushirwa mumazi ashyushye.

B. Uburyo bwo guterwa inshinge za polyethylene (PE)

PE ni ibikoresho bibisi bya kristaline bifite hygroscopique nkeya cyane, ntibirenga 0.01%, ntabwo rero bikenewe gukama mbere yo kubitunganya. PE urunigi rwa molekuline rufite imiterere ihindagurika, imbaraga ntoya hagati yumubano, ubukonje buke bwo gushonga, hamwe nubwiza buhebuje. Kubwibyo, uruzitiro ruto kandi rurerure rushobora gukorwa nta muvuduko mwinshi mugihe cyo kubumba.

△ PE ifite intera nini yo kugabanuka, igiciro kinini cyo kugabanuka, hamwe nicyerekezo kigaragara. Igabanuka rya LDPE ni 1.22%, naho kugabanuka kwa HDPE ni 1.5%. Kubwibyo, biroroshye guhindura no guhindagurika, kandi ibihe byo gukonjesha bigira uruhare runini mu kugabanuka. Kubwibyo, ubushyuhe bwububiko bugomba kugenzurwa kugirango bikonje kandi bihamye.

△ PE ifite ubushobozi bwo korohereza ibintu, kandi ubushyuhe bwububiko bugira uruhare runini kumiterere ya kristalisiti yibice bya plastiki. Ubushyuhe bwo hejuru cyane, gukonjesha buhoro buhoro, kristu nyinshi yibice bya plastike, nimbaraga nyinshi.

Point Ingingo ya PE yo gushonga ntabwo iri hejuru, ariko ubushobozi bwayo bwihariye ni bunini, bityo iracyakenera gukoresha ubushyuhe bwinshi mugihe cya plastiki. Kubwibyo, igikoresho cya plastiki kirasabwa kugira ingufu nini zo gushyushya kugirango umusaruro ukorwe neza.

Temperature Korohereza ubushyuhe bwa PE ni nto, kandi gushonga byoroshye okiside. Kubwibyo, guhura hagati ya elegitoronike na ogisijeni bigomba kwirindwa bishoboka mugihe cyo kubumba, kugirango bitagabanya ubwiza bwibice bya plastiki.

Parts Ibice bya PE byoroshye kandi byoroshye kumeneka, mugihe rero ibice bya plastiki bifite ibinono bito, birashobora kumanurwa cyane.

Property Umutungo utari Newtonian wa PE ushonga ntabwo ugaragara, ihinduka ryikigero cyogosha ntirigira ingaruka nke mubucucike, kandi ingaruka zubushyuhe kuri PE gushonga kwa PE nabyo ni bike.

△ PE gushonga bifite umuvuduko ukonje, bityo bigomba gukonjeshwa bihagije. Ifumbire igomba kugira sisitemu nziza yo gukonjesha.

Niba PE gushonga bigaburirwa biturutse ku cyambu cyo kugaburira mugihe cyo gutera inshinge, guhangayika bigomba kwiyongera no kugabanuka kutaringaniye hamwe nicyerekezo cyo kwiyongera kugaragara no guhindura ibintu bigomba kwiyongera, bityo rero hagomba kwitonderwa guhitamo ibipimo byibyokurya.

Temperature Ubushyuhe bwa PE buragutse. Mugihe cyamazi, ihindagurika ryubushyuhe buke nta ngaruka bigira muburyo bwo gutera inshinge.

△ PE ifite ubushyuhe bwiza bwumuriro, mubisanzwe nta kintu kigaragara cyo kubora kiri munsi ya dogere 300, kandi nta ngaruka bigira ku bwiza.

Imiterere nyamukuru yo gushushanya PE

Ubushyuhe bwa barrale: Ubushyuhe bwa barrale bufitanye isano ahanini nubucucike bwa PE nubunini bwikigereranyo cyo gutemba. Bifitanye isano kandi n'ubwoko n'imikorere y'imashini ibumba inshinge n'imiterere y'igice cya mbere cya plastiki. Kubera ko PE ari polymer kristaline, ibinyampeke bya kristu bigomba gukuramo ubushyuhe runaka mugihe cyo gushonga, bityo ubushyuhe bwa barriel bugomba kuba hejuru ya dogere 10 kurenza aho bwashonga. Kuri LDPE, ubushyuhe bwa barriel bugenzurwa kuri 140-200 ° C, ubushyuhe bwa barriel ya HDPE bugenzurwa kuri 220 ° C, agaciro ntarengwa inyuma yinyuma kandi ntarengwa kumpera yimbere.

Ubushyuhe bwubushyuhe: Ubushyuhe bwububiko bugira uruhare runini kumiterere ya kristalisiti yibice bya plastiki. Ubushyuhe bwo hejuru cyane, gushonga kwinshi hamwe nimbaraga nyinshi, ariko kugabanuka kugabanuka nabyo biziyongera. Ubusanzwe ubushyuhe bwububiko bwa LDPE bugenzurwa kuri 30 ℃ -45 ℃, mugihe ubushyuhe bwa HDPE buri hejuru ya 10-20 ℃.

Umuvuduko w'inshinge: Kongera umuvuduko w'inshinge ni ingirakamaro mu kuzuza gushonga. Kuberako amazi ya PE ari meza cyane, usibye ibicuruzwa bitobito kandi byoroheje, igitutu cyo gutera inshinge kigomba gutoranywa neza. Umuvuduko rusange wo gutera inshinge ni 50-100MPa. Imiterere iroroshye. Kubice binini bya plastike inyuma yurukuta, igitutu cyo gutera inshinge kirashobora kuba munsi, naho ubundi

C. Polyvinyl chloride (PVC) uburyo bwo gutera inshinge

Gushonga ubushyuhe bwa PVC mugihe cyo gutunganya nikintu cyingenzi cyibikorwa. Niba iyi parameter idakwiye, bizatera kubora. Ibiranga imigendekere ya PVC birakennye rwose, kandi inzira yayo iragufi.

By'umwihariko uburemere buke bwa molekuline ibikoresho bya PVC biragoye cyane kubitunganya (ubu bwoko bwibikoresho bukenera kongerwamo amavuta kugirango tunonosore imigezi), bityo ibikoresho bya PVC bifite uburemere buke bwa molekile. Kugabanuka kwa PVC ni hasi cyane, muri rusange 0.2 ~ 0,6%.

Uburyo bwo gutera inshinge:

· 1. Kuvura byumye: mubisanzwe nta muti wumye usabwa.

· 2. Ubushyuhe bwo gushonga: 185 ~ 205 temperature Ubushyuhe bukonje: 20 ~ 50 ℃.

· 3. Umuvuduko wo gutera inshinge: kugeza kuri 1500bar.

· 4. Gufata igitutu: kugeza ku kabari 1000.

· 5. Umuvuduko wo gutera inshinge: Kugirango wirinde kwangirika kwibintu, muri rusange hakoreshwa umuvuduko utari muto.

· 6. Kwiruka n'irembo: amarembo asanzwe arashobora gukoreshwa. Niba gutunganya ibice bito, nibyiza gukoresha amarembo-inshinge cyangwa amarembo yarengewe; kubice binini, nibyiza gukoresha amarembo yabafana. Diameter ntarengwa y irembo-ryinjiriro cyangwa irembo ryarengewe bigomba kuba 1mm; ubunini bw irembo ryabafana ntibigomba kuba munsi ya 1mm.

· 7. Imiterere yimiti niyumubiri: Rigid PVC nikimwe mubikoresho bya plastiki bikoreshwa cyane.



D. Uburyo bwo gutera inshinge Polystirene (PS)

Uburyo bwo guterwa inshinge:

1. Kuvura byumye: Keretse niba bibitswe nabi, kuvura byumye ntibisanzwe. Niba gukama bisabwa, ibisabwa byumye ni 80 ° C mumasaha 2 kugeza kuri 3.
2. Ubushyuhe bwo gushonga: 180 ~ 280 ℃. Kubikoresho bya flame-retardant, imipaka yo hejuru ni 250 ° C.
3. Ubushyuhe bukonje: 40 ~ 50 ℃.
4. Umuvuduko wo gutera inshinge: 200 ~ 600bar.
5. Umuvuduko wo gutera inshinge: Birasabwa gukoresha umuvuduko wihuse.
6. Kwiruka n irembo: Ubwoko bwose busanzwe bwamarembo burashobora gukoreshwa.

E. Uburyo bwo gutera inshinge ABS

Ibikoresho bya ABS bifite uburyo bworoshye bwo gutunganya, ibiranga isura, kunyerera hasi hamwe no guhagarara neza hamwe nimbaraga zikomeye.

Uburyo bwo guterwa inshinge:

1. Kuvura byumye: Ibikoresho bya ABS ni hygroscopique kandi bisaba kuvura byumye mbere yo kubitunganya. Icyifuzo cyo kumisha byibuze amasaha 2 kuri 80 ~ 90 ℃. Ubushyuhe bwibintu bugomba kuba munsi ya 0.1%.

2. Gushonga ubushyuhe: 210 ~ 280 ℃; ubushyuhe busabwa: 245 ℃.

3. Ubushyuhe bukonje: 25 ~ 70 ℃. (Ubushyuhe bwububiko buzagira ingaruka kumpera yibice bya plastike, ubushyuhe bwo hasi buzaganisha kumpera yo hasi).

4. Umuvuduko wo gutera inshinge: 500 ~ 1000bar.

5. Umuvuduko wo gutera inshinge: umuvuduko wo hagati.

 
 
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