Ngokwezakhiwo zemvelo zamapulasitiki, kuyinqubo eyinkimbinkimbi futhi ewumthwalo ukuwenza abe yimikhiqizo yepulasitiki enomumo othile kanye nenani lokusebenzisa.Emkhiqizweni wezimboni wemikhiqizo yepulasitiki, uhlelo lokukhiqiza imikhiqizo yepulasitiki ikakhulukazi lwakhiwe izinqubo ezine eziqhubekayo: ukwakhiwa kwepulasitiki, ukucutshungulwa kwemishini, ukuhlobisa nokuhlanganisa.
Kulezi zinqubo ezine, ukubumba ipulasitiki kuyisihluthulelo sokucubungula ipulasitiki.Izindlela zokubumba zingama-30 izinhlobo, ikakhulukazi izinhlobo ezahlukahlukene zepulasitiki (impuphu, izinhlayiya, isixazululo noma ukuhlakazwa) zibe yisimo esifiswayo somkhiqizo noma i-billet.Indlela yokubumba incike ikakhulukazi ohlotsheni lwepulasitiki (i-thermoplastic noma i-thermosetting), ifomu lokuqala, nokuma nobukhulu bomkhiqizo.Izindlela zepulasitiki zokucubungula i-thermoplastic ezivame ukusetshenziswa yi-extrusion, ukubumba umjovo, ukubumba i-calendering, ukubunjwa kokushaywa kanye nokubunjwa okushisayo, amapulasitiki okucubungula i-thermosetting epulasitiki ngokuvamile asebenzisa ukubumba, ukubumba ukudluliswa, kodwa nokubunjwa komjovo.I-Laminating, ukubumba, kanye ne-thermoforming zakha ipulasitiki endaweni eyisicaba.Izindlela zokucubungula zepulasitiki ezingenhla zingasetshenziselwa ukucubungula irabha.Ngaphezu kwalokho, kukhona i-monomer ye-liquid noma i-polymer njengokubunjwa kwempahla eluhlaza, njll. Phakathi kwalezi zindlela, ukubunjwa kwe-extrusion kanye nomjovo yizona ezisetshenziswa kakhulu nezindlela zokubumba eziyisisekelo.
Ukucutshungulwa ngomshini kokukhiqizwa komkhiqizo wepulasitiki ukuboleka indlela yokucubungula ipulasitiki yensimbi nezinkuni, njll., ukwenza imikhiqizo yepulasitiki enosayizi oqondile noma inani elincane, futhi ingasetshenziswa njengenqubo eyisizayo yokubumba, njengesaha. ukusika amaphrofayili angeziwe.Ngenxa yokusebenza okuhlukile kwepulasitiki nensimbi nokhuni, ukuguquguquka kokushisa kwepulasitiki kumpofu, i-coefficient yokwanda okushisayo, i-modulus ephansi yokunwebeka, lapho i-fixture noma ingcindezi yamathuluzi inkulu kakhulu, kulula ukubangela ukubola, ukusika ukushisa kulula ukuncibilika, futhi kulula ukunamathela ithuluzi.Ngakho-ke, imishini yepulasitiki, ithuluzi elisetshenzisiwe kanye nesivinini sokusika esihambisanayo kufanele sivumelane nezici zepulasitiki.Izindlela zomshini ezisetshenziswa kakhulu yisaha, ukusika, ukubhoboza, ukujika, ukuhlela, ukubhola, ukugaya, ukupholisha, ukucutshungulwa kwentambo nokunye.Ngaphezu kwalokho, amapulasitiki angasikwa, abholwe futhi ashiselwe ngama-lasers.
Ukuhlanganisa ukukhiqizwa kwemikhiqizo yepulasitiki Izindlela zokuhlanganisa izingxenye zepulasitiki ziyi-welding kanye ne-bonding.Indlela yokushisela ukusetshenziswa kwe-hot air welding electrode welding, ukusetshenziswa kwe-hot melt welding, kanye ne-high-frequency welding, i-friction welding, i-induction welding, i-ultrasonic welding nokunye.Indlela yokubopha ingahlukaniswa ibe yi-flux, isixazululo se-resin kanye ne-adhesive encibilikayo eshisayo ngokusho kwe-adhesive esetshenzisiwe.
Inhloso yokuguqulwa kwendawo yokukhiqizwa kwemikhiqizo yepulasitiki ukwenza kube nhle ubuso bemikhiqizo yepulasitiki, ngokuvamile okuhlanganisa: ukuguqulwa komshini, okungukuthi, ifayela, ukugaya, ukupholisha nezinye izinqubo, ukususa i-burr, i-burr, nokulungiswa kosayizi;Ukuqeda, kufaka phakathi ukumboza ubuso bomkhiqizo ngopende, ukusebenzisa i-solvents ukwenza ubuso bukhanye, kusetshenziswa ifilimu enephethini yokugqoka ubuso bomkhiqizo, njll.;Ukusetshenziswa kombala, okuhlanganisa ukudweba kombala, ukuphrinta nokugxiviza okushisayo;Ukufakwa kwegolide, okuhlanganisa i-vacuum coating, i-electroplating kanye ne-chemical silver plating, njll. Ukucubungula okushisayo kwepulasitiki ukudlulisa ungqimba lwe-aluminium foil yombala (noma enye ifilimu yephethini) kufilimu yokugxiviza eshisayo ukuya endaweni yokusebenza ngaphansi kokushisisa nokucindezela.Imishini eminingi yasendlini nemikhiqizo yokwakha, izidingo zansuku zonke, njll., zisebenzisa le ndlela ukuthola ukucwebezela kwensimbi noma amaphethini okhuni.
I-Assembly ukusebenza kokuhlanganisa izingxenye zepulasitiki zibe yimikhiqizo ephelele nge-gluing, i-welding kanye nokuxhumeka kwemishini.Isibonelo, amaphrofayili epulasitiki ahlanganiswa abe amafasitela epulasitiki neminyango ngokusebenzisa ama-sawing, ama-welding, ukubhoboza nezinye izinyathelo.
Isikhathi sokuthumela: Nov-07-2022