Ukuqhuma kokuncibilika kubangela ukushisa
Lapho ukuncibilika kufakwa emgodini ngevolumu enkulu ngaphansi kwejubane eliphezulu nokucindezela okukhulu, kulula ukukhiqiza ukuncibilika kokuncibilika.Ngalesi sikhathi, indawo encibilikayo ibonakala iqhekekile, futhi indawo yokuphuka icishe ixutshwe ebusweni bezingxenye zepulasitiki ukuze kwakheke izindawo zokunamathisela.Ikakhulukazi uma inani elincane lezinto ezincibilikisiwe lijovwe ngqo emgodini okulula ukuba mkhulu kakhulu, ukugqabuka kwencibilika kubi kakhulu futhi indawo yokunamathisela inkulu.
Ingqikithi yokuqhekeka kwe-melt kungenxa yokuziphatha okunwebekayo kwe-polymer melt material, lapho ukugeleza kwe-liquid kusilinda, eduze kwesilinda soketshezi ngokungqubuzana kodonga, ukucindezeleka kukhulu, ukugeleza kwesivinini sezinto ezincibilikisiwe kuncane, uma impahla encibilikisiwe evela endaweni yokukhipha umbhobho, ingcindezi emthelela odongeni wokunyamalala, kanye nesilinda esimaphakathi sezinga lokugeleza kwe-liquid siphezulu kakhulu, kuqhathaniswa.Entweni encibilikisiwe iyisikhungo sezinto ezincibilikisiwe ezithwala nokusheshisa, Njengoba ukugeleza kwempahla encibilikisiwe kuqhubeka ngokuqhathaniswa, isivinini sokugeleza sempahla encibilikisiwe yangaphakathi nangaphandle izohlela kabusha isivinini esimaphakathi.
Kule nqubo, izinto ezincibilikisiwe zizoshintsha ukucindezeleka okubukhali kuzoveza ubunzima, ngoba ijubane lomjovo lishesha kakhulu, ukucindezeleka kukhulu kakhulu, kukhulu kakhulu kunomthamo wezinto ezincibilikisiwe, okuholela ekuqhekekeni kokuncibilika.
Uma izinto ezincibilikisiwe kumzila wokugeleza uma kwenzeka ukushintsha kungazelelwe komumo, njengokushwabana kobubanzi, ukunwebeka kanye ne-Angle efile, njll., izinto ezincibilikisiwe zihlala ekhoneni kanye nokujikeleza, kuhlukile kumandla ajwayelekile okuncibilika, ukuguga kwe-shear kuyancibilika. kukhudlwana, lapho ixubene nokugeleza okujwayelekile kwezinto eziphumayo, ngenxa yokubuyiselwa kokuguquguquka okungaguquki, ayikwazi ukuvala, uma ukungafani kukhulu kakhulu, ukuphuka kokuphuka kwenzeka, Kuthatha futhi uhlobo lokuqhekeka kokuncibilika.
Ukulawulwa okungalungile kwezimo zokwakha kuholela ekushiseni
Lokhu futhi kuyimbangela ebalulekile yokushisa nokunamathisela ebusweni bezingxenye zepulasitiki, ikakhulukazi ubukhulu bejubane lomjovo bunomthelela omkhulu kuwo.Lapho impahla yokugeleza ijovwa kancane kancane emgodini, ukugeleza kwezinto ezincibilikisiwe ukugeleza kwe-laminar.Lapho isivinini somjovo sikhuphukela enanini elithile, isimo sokugeleza siya ngokuya siba nesiyaluyalu.
Ngokuvamile, ingaphezulu lezingxenye zepulasitiki ezakhiwe ukugeleza kwe-laminar likhanya ngokuqhathaniswa futhi libushelelezi, futhi izingxenye zepulasitiki ezakhiwe ngaphansi kwezimo eziyaluzayo azigcini nje ngokuthambekela ukunamathisela amabala ebusweni, kodwa futhi kulula ukukhiqiza ama-pores ngaphakathi kwezingxenye zepulasitiki.
Ngakho-ke, isivinini somjovo akufanele sibe phezulu kakhulu, impahla yokugeleza kufanele ilawulwe esimweni sokugeleza kwe-laminar yokugcwalisa isikhunta.
Uma izinga lokushisa lezinto ezincibilikisiwe liphezulu kakhulu, kulula ukubangela ukubola kwezinto ezincibilikisiwe kanye nokupheka, okuholela ekunamathisele amabala ebusweni bezingxenye zepulasitiki.
Umshini wokubumba umjovo ojwayelekile wokujikelezisa isikulufu kufanele ube ngaphansi kuka-90r/min, ingcindezi yangemuva ingaphansi kuka-2MPa, engagwema ukushisa okungqubuzana okweqile okukhiqizwa yisilinda.
Uma inqubo yokubumba ngenxa ye-screw back lapho isikhathi sokuzungezisa siside kakhulu nokushisa kwe-friction ngokweqile, ingakhushulwa ngokufanele isivinini sesikulufu, inwebe umjikelezo wokubumba, yehlise ukucindezela kwangemuva kwesikulufu, ithuthukise izinga lokushisa lokuphakelayo isilinda kanye nokusetshenziswa kwe-screw. ukugcotshwa kabi kwezinto zokusetshenziswa nezinye izindlela zokunqoba.
Enqubweni yokujova, ukugeleza emuva okuningi kakhulu kwezinto ezincibilikisiwe eduze kwesikulufu nokugcinwa kwe-resin iringi yokumisa kuzoholela ekonakaleni kwe-polymer yezinto ezincibilikisiwe.Mayelana nalokhu, kufanele kukhethwe i-resin ene-viscosity ephakeme, ingcindezi yomjovo kufanele yehliswe ngokufanelekile, futhi umshini wokubumba umjovo onobubanzi obukhulu kufanele ushintshwe.Umjovo ukubumba umshini ngokuvamile esetshenziswa ukumisa indandatho kulula ukubangela ukugcinwa, ukuze ukubola of ukushintsha kombala, lapho ukushintsha kombala kwento encibilikisiwe injected emgodini, okungukuthi, ukwakheka focus brown noma black.Mayelana nalokhu, isistimu yesikulufu esigxile ku-nozzle kufanele ihlanzwe njalo.
Ukushiswa okubangelwa ukuhluleka kwesikhunta
Uma imbobo yokukhipha isikhunta ivinjwe i-ejenti yokukhulula futhi izinto eziqinile ziphuma ngaphandle kwempahla eluhlaza, imbobo yokukhipha isikhunta ayisethiwe ngokwanele noma indawo ayilungile, futhi isivinini sokugcwalisa sishesha kakhulu, Umoya osesikhunjini sekwephuzile kakhulu ukuthi ungawukhipha une-adiabatic futhi ucindezelwe ukuze ukhiqize igesi lokushisa eliphezulu, futhi inhlaka izobola futhi icoke.Kulokhu, izinto ezivimbelayo kufanele zisuswe, amandla okubamba kufanele ancishiswe, futhi ukukhishwa okungalungile kwesikhunta kufanele kuthuthukiswe.
Kubaluleke kakhulu futhi ukucacisa isimo kanye nendawo yesango lokufa.Isimo sokugeleza sezinto ezincibilikisiwe kanye nokusebenza kokukhipha ifa kufanele kucatshangelwe ngokugcwele ekwakhiweni.Ngaphezu kwalokho, inani le-ejenti yokukhululwa akufanele libe likhulu kakhulu, futhi ubuso be-cavity kufanele bugcine isiphetho esiphezulu.
Isikhathi sokuthumela: 19-10-21