+ 86-574-56118361

EN
Zonke imidlalo

Umhlinzeki Wesevisi One-stop Yokubumba Umjovo Wepulasitiki

Ikhaya>Izindaba>Izindaba

Injection isikhunta umgijimi oshisayo ubuchwepheshe

Isikhathi: 2021-03-09 Hits: 229

Isistimu yokugenca yomgijimi oshisayo ingaqondwa njengesandiso semishini yokubumba umjovo. Umsebenzi wesistimu yomgijimi oshisayo ukuletha ukuncibilika kwe-thermoplastic eduze kwendawo yokubumba noma ngokuqondile ku-die adiabatically.

 

Umgijimi oshisayo angashiswa ngokuzimela, kodwa afakwe nge-thermally kusikhunta somjovo, ukuze akwazi ukukhokhela ukulahlekelwa ukushisa okubangelwa ukuxhumana nesikhunta "esibandayo". Isikhunta sokugijima esishisayo sisetshenziswe ngempumelelo ukucubungula izinto ezihlukahlukene zepulasitiki. Cishe zonke izinto zepulasitiki ezingacutshungulwa ngokubunjwa komgijimi obandayo zingacutshungulwa ngokubunjwa komgijimi oshisayo.

 

Ingxenye encane kunazo zonke ingaphansi kuka-0.1 amagremu, kanti ingxenye enkulu ingaphezu kwamakhilogremu angu-30. Isikhunta somgijimi oshisayo sisetshenziswa kabanzi emkhakheni wezogesi, izimoto, ukunakekelwa kwezokwelapha, izidingo zansuku zonke, amathoyizi, ukupakisha, ukwakha, kanye nemishini yasehhovisi.


umjovo isikhunta umgijimi hot

 

Iphrojekthi yesicelo sesikhunta somgijimi oshisayo ophumelelayo idinga izixhumanisi eziningi ukuze ziqinisekiswe.

 

Phakathi kokubaluleke kakhulu yizici ezimbili zobuchwepheshe:

Enye iwukulawula izinga lokushisa lepulasitiki;

Okwesibili ukulawula ukugeleza kwepulasitiki.

 

Isistimu yomgijimi oshisayo ojwayelekile iqukethe izingxenye ezilandelayo:

   1) Ipuleti lomgijimi oshisayo (MANANIFOLD);

   2) Umbhobho;

   3) Isilawuli sezinga lokushisa;

   4) Izingxenye ezisizayo.

 

Izinzuzo zesikhunta se-hot runner:

 

  1) Nciphisa umjikelezo wokubumba wezingxenye;

   2) Gcina izinto zokusetshenziswa zepulasitiki;

   3) Yehlisa imfucuza futhi uthuthukise ikhwalithi yomkhiqizo;

   4) Ukuqeda izinqubo ezilandelayo, ezihambisana nokukhiqiza okuzenzakalelayo;

   5) Nweba ukusetshenziswa kobuchwepheshe bokubumba umjovo.

 

Ngesikhathi esifanayo, kukhona nokushiyeka okufana nokukhuphuka kwezindleko zesikhunta, izidingo zemishini yokukhiqiza ephezulu, kanye nokusebenza okuyinkimbinkimbi nokunakekelwa.

 

Izinhlobo kanye nokusetshenziswa kwamasistimu womgijimi oshisayo

 

Uma usebenzisa ubuchwepheshe bomgijimi oshisayo, ukukhetha okulungile kohlobo lwesango kubaluleke kakhulu. Uhlobo lwesango lunquma ngokuqondile ukukhethwa kwezingxenye zesistimu yomgijimi oshisayo kanye nokwakhiwa nokusetshenziswa kwesikhunta. Ngakho-ke, ngokwezinhlobo zamasango ahlukene, uhlelo lomgijimi oshisayo lungahlukaniswa ngezinhlobo ezintathu: uhlelo lomgijimi oshisayo we-tip, uhlelo lomgijimi oshisayo we-sprue, kanye nesistimu yomgijimi oshisayo we-valve. Uhlobo ngalunye lwesistimu yomgijimi oshisayo lunomsebenzi walo obalulekile. Izici kanye nobubanzi bohlelo lokusebenza.

 

Izici eziningi zidinga ukucatshangelwa lapho kukhethwa izinhlobo zamasango nezinhlelo zomgijimi oshisayo, okubaluleke kakhulu okuwuhlobo lwe-matrix yepulasitiki kanye nezithasiselo, isisindo nobukhulu bezingxenye, izidingo zekhwalithi zezingxenye, impilo yamathuluzi kanye nezithasiselo. izidingo zokukhiqiza izingxenye.

 

1. I-Hot Tip Hot Runner System (Ithiphu Eshisayo)

Umgomo wayo wokusebenza uwukuhlanganisa i-HOT TIP ekugcineni kwe-nozzle nesistimu yokupholisa ukuze ulungise kahle futhi ulawule izinga lokushisa lokucubungula ipulasitiki esangweni. Ngakho-ke, izinto zokwakha kanye nokwakheka komumo we-nozzle insert HOT TIP kubaluleke kakhulu.

 

hot tip hot umgijimi


ICEBISO ELISHISAYO uhlelo lomgijimi oshisayo lungasetshenziselwa ukucubungula amapulasitiki amaningi acwebezelayo nanjengamapulasitiki anjenge-PP, PE, PS, LCP, PA, PET, PBT, PEEK, POM, PEI, PMMA, ABSPVC, PC, PSU, TPU, njll. Ngokuvamile ukukhuluma, amasango amathiphu ashisayo asetshenziselwa kakhulu ukucubungula izingxenye ezincane neziphakathi, ikakhulukazi ukucubungula izingxenye ezincane.

 

Ububanzi besigaba sesango ngokuvamile buphakathi kuka-0.5mm-2.0mm. Ukunqunywa kobubanzi besigaba sesango ngokuyinhloko kunqunywa isisindo nokuqina kodonga lwengxenye, futhi ngokuqinisekile izidingo zekhwalithi yezinto ezibonakalayo kanye nengxenye kufanele zicatshangelwe. Uma isango elinobubanzi obuncane be-cross-sectional lisetshenziswa, isango lizovalwa ngokushesha ngemva kokuqedwa kwesiteji sokugcwalisa umjovo, izimpawu zesango engxenyeni zizoba zincane, futhi ubuso bengxenye buyoba nokubukeka okuhle kanye nekhwalithi.

 

Uma ububanzi besango buncane kakhulu, isilinganiso se-shear sizoba phezulu kakhulu lapho ipulasitiki igeleza esangweni, okuzolimaza kakhulu isakhiwo se-molecular chain of the plastic melt noma izinto ezengeziwe epulasitiki, okuholela emikhiqizweni engafaneleki engakwazi ukuhlangabezana. izidingo zokusetshenziswa. Ekukhetheni usayizi wesango, umkhuba ojwayelekile uwukuqala ukucacisa ubukhulu besango ngokusho kobukhulu bodonga esangweni lengxenye: ububanzi besango = (0.75-1.0) ubukhulu bodonga esangweni lengxenye. Inani elincane lisetshenziselwa ukucubungula amapulasitiki ahamba kalula, futhi inani elikhulu lisetshenziselwa ukucubungula amapulasitiki ageleza kanzima noma amapulasitiki azwela ukushear.

 

Ngokuvamile, isango lethiphu elishisayo livulwa ngokuqondile engxenyeni, kodwa lingabuye livulwe kumgijimi obandayo bese isango elibandayo livuliwe engxenyeni. Lolu uhlelo lwesikhunta oluhlanganisa umgijimi oshisayo nomgijimi obandayo. Uma usebenzisa amasango amathiphu ashisayo ukwenza izingxenye zepulasitiki, kuzohlale kunezimpawu zesango ezingaphezulu noma ezingaphansi ezingxenyeni. Izikhathi eziningi amamaki esango azoba phezulu kunobuso bengxenye, athinte ubuhle bengxenye noma athinte umhlangano nezinye izingxenye. Ngakho-ke, lapho ukhetha indawo yesango, zama ukubeka isango engxenyeni efihliwe efihliwe engxenyeni.

 

2.Sprue esangweni umgijimi oshisayo

Kuhlelo lomgijimi oshisayo we-sprue, ipulasitiki ingena emgodini wesikhunta ngomgijimi ovulekile (IVULA IPIPE). Ukulahlekelwa kwengcindezi yokugeleza kwepulasitiki esangweni kuncane. Isistimu yomgijimi oshisayo we-sprue ifaneleka kakhulu ekubunjweni komjovo wezingxenye ezinosayizi omaphakathi nesisindo.

 

sprue isango umgijimi oshisayo


Inzuzo yokusebenzisa uhlelo lomgijimi oshisayo we-sprue ukuthi ipulasitiki ithola izinga eliphansi le-shear lapho igeleza ngesango futhi igcwalisa isikhunta, ukucindezeleka okusalayo ngemva kokwakhiwa kwengxenye kuncane, izinga le-deformation lincane, kanye nemishini. amandla engxenye mahle kakhulu. Uma kuqhathaniswa namasango amathiphu ashisayo, amasango e-sprue makhulu ngosayizi, ngakho-ke izimpawu zesango zingase zibe zikhudlwana.

 

Ngakho-ke, ngaphansi kwezimo ezijwayelekile, isikhunta esinezidingo eziqinile zobuhle besango ngokuvamile sisebenzisa ukubunjwa komjovo wepulasitiki; kanye nezingxenye zesakhiwo zangaphakathi ezingadingi ubuhle obuphezulu besango zingakhiwa ngesistimu yomgijimi oshisayo wohlobo lwe-sprue.

 

Abantu bavame ukusebenzisa i-sprue sprue ngokuhambisana nomgijimi obandayo, okungukuthi, i-sprue nozzle isetshenziswa njengomgijimi oyinhloko, futhi i-sprue sprue ivulwa kumgijimi obandayo. Kulesi sicelo, isango le-sprue lingavulwa ngokukhudlwana ukuze kube lula ukugeleza kwepulasitiki, ngoba akekho onendaba nobukhulu bezimpawu zesango kumgijimi obandayo.

 

Ngokufana nokusetshenziswa kwezinhlelo zomgijimi oshisayo we-hot-tip, ukulawulwa kwezinga lokushisa lepulasitiki kanye nokushisa kwesikhunta esangweni kubaluleke kakhulu. Isifunda sokupholisa esihlukile sidinga ukusethwa eduze kwesango. Ngenxa yokuthi ubukhulu besango le-sprue bukhulu kakhulu, uma izinga lokushisa esangweni lingalawulwa kahle, kungenzeka ukuthi isango alikwazi ukuvala ipulasitiki egeleza ngemva kokuvulwa kwesikhunta.

 

Izimbobo zokufakwa kwe-sprue hot runner system nazo zinezinhlobonhlobo zobukhulu kanye nokuma kanye nezinguquko ezintweni zokukhiqiza. Izinhlobo zamapulasitiki okufanele zicutshungulwe (njengamapulasitiki e-crystalline noma ama-amorphous plastics) kanye nezimo zokupholisa zesango kufanele zicatshangelwe.

 

3.  Valve isango umgijimi oshisayo

Lolu hlobo lwesistimu yomgijimi oshisayo lunezinzuzo eziningi i-hot tip ne-sprue runner systems ezingenakuba nazo. Isibonelo, ukuvulwa kwesango nokuvala isikhathi kungalawulwa ngokwenziwa, isango libushelelezi futhi liyisicaba, futhi inkambu yobuchwepheshe besicelo yobuchwepheshe bomgijimi oshisayo inganwetshwa.


valge esangweni umgijimi hot


Ngenxa yokuthi isango le-valve livalwe isenzo somshini senaliti ye-valve, alikhawulwanga isikhathi sokupholisa sepulasitiki esangweni, ngakho-ke uhlelo lomgijimi wesango le-valve ngezinye izikhathi lunganciphisa kakhulu umjikelezo wokukhiqiza nokubumba izingxenye zepulasitiki. Usayizi wesango ungavulwa futhi mkhulu, olungele kakhulu ukucubungula amapulasitiki azwela i-shear. Indlela yesango le-valve ingacubungula izingxenye ezincane ezinesisindo samagremu amaningana, kanye nezingxenye ezinkulu ezinesisindo esingamakhilogremu amaningana. Zonke izinhlobo zepulasitiki zobunjiniyela zingasetshenziswa ukucubungula izingxenye zokukhiqiza ngamasango e-valve. Uma kunezimbotshana eziningi zamasayizi ahlukene kusethi yesikhunta, uma kusetshenziswa uhlelo lomgijimi we-valve, isikhathi sokuvula nokuvala kwesango ngalinye singalawulwa ukuze kuqashelwe ukulungiswa nokulawulwa kokugeleza komgodi ngamunye. Lokhu kubaluleke kakhulu ekubunjweni kwesikhunta esisodwa se-multi-cavity esinezimo nobukhulu obuhluke kakhulu. Ngokukhiqiza okuphezulu, isikhunta sengaphezulu esihlukanisa izendlalelo eziningi, kuphela ngokusebenzisa isistimu yomgijimi oshisayo wohlobo lwe-valve ukuze kuzuzwe.