Lapha sizokwethula izinqubo eziyi-10 zokubumba ipulasitiki ezisetshenziswa kakhulu. Funda ukuze wazi imininingwane eyengeziwe.
1. Ukubumba Ngomjovo
2. Ukubumba Ngesivunguvungu
3. Ukubumba Okungeziwe
4. Ukubhala amakhalenda (ishidi, ifilimu)
5. Ukubumba Kokucindezela
6. Ukubumba Umjovo Wokucindezela
7. Ukubumba Okujikelezayo
8. Isishiyagalombili, Ukubumba Okuconsa Kwepulasitiki
9. Ukwakheka Kwebhamuza
10. Ukubumba Okuludaka
1. Ukubumba Ngomjovo
Umgomo wokubumba umjovo ukufaka izinto zokusetshenziswa ezisanhlamvu noma ezimpuphu ebhodleleni lomshini wokujova, bese izinto zokusetshenziswa ziyashiswa futhi zincibilike zibe yisimo soketshezi. Iqhutshwa yisikulufo noma i-piston yomshini wokujova, ingena emgodini wesikhunta nge-nozzle kanye nohlelo lokuvala isikhunta bese iqina futhi ibumbeke emgodini wesikhunta. Izici ezithinta ikhwalithi yokubumba umjovo: ingcindezi yomjovo, isikhathi somjovo, kanye nokushisa komjovo.
Izici zenqubo:
Inzuzo:
(1) Umjikelezo omfushane wokubumba, ukusebenza kahle kokukhiqiza okuphezulu, kanye nokwenza izinto ngokuzenzakalelayo okulula.
(2) Ingakha izingxenye zepulasitiki ezinezimo eziyinkimbinkimbi, ubukhulu obuqondile, kanye nezinto zokufaka zensimbi noma ezingezona ezensimbi.
(3) Ikhwalithi yomkhiqizo ezinzile.
(4) Uhla olubanzi lokuzivumelanisa nezimo.
Ukushiyeka:
(1) Intengo yemishini yokubumba ngomjovo iphakeme kakhulu.
(2) Isakhiwo sesikhunta somjovo siyinkimbinkimbi.
(3) Izindleko zokukhiqiza ziphezulu, umjikelezo wokukhiqiza mude, futhi awufaneleki ukukhiqizwa kwezingxenye zepulasitiki ezinengxenye eyodwa kanye nezingxenye ezincane.
Isicelo:
Emikhiqizweni yezimboni, imikhiqizo ebunjiwe ngomjovo ifaka phakathi izinto zasekhishini (amathini kadoti, izitsha, amabhakede, amabhodwe, izitsha zokudla, kanye nezitsha ezahlukahlukene), izindawo zokugcina imishini kagesi (imishini yokomisa izinwele, imishini yokuhlanza i-vacuum, imishini yokuxuba ukudla, njll.), amathoyizi nemidlalo, izimoto Imikhiqizo eyahlukahlukene yezimboni, izingxenye zeminye imikhiqizo eminingi, njll.
1) Faka Ukubumba Komjovo
Ukufakwa kokubumba kubhekisela ekufakweni kwe-resin ngemva kokufaka izinto ezifakiwe ezilungiselelwe kusengaphambili zezinto ezahlukene esikhumbeni. Indlela yokubumba lapho izinto ezincibilikisiwe zihlanganiswa khona nesifakiwe futhi ziqiniswe ukuze kwakhiwe umkhiqizo ohlanganisiwe.
Izici zenqubo:
(1) Inhlanganisela yokwakheka kwangaphambilini kwezinto eziningi ezifakiwe yenza ukwenziwa kwe-post-engineering kwenhlanganisela yeyunithi yomkhiqizo kube okunengqondo kakhudlwana.
(2) Inhlanganisela yokwakheka okulula nokugobeka kwe-resin kanye nokuqina, amandla, kanye nokumelana nokushisa kwensimbi kungenziwa kube imikhiqizo ehlanganisiwe yensimbi nepulasitiki eyinkimbinkimbi nenhle kakhulu.
(3) Ikakhulukazi ngokusebenzisa inhlanganisela yokushisa kwe-resin kanye nokuqhuba kwensimbi, imikhiqizo ebunjiwe ingahlangabezana nemisebenzi eyisisekelo yemikhiqizo kagesi.
(4) Emikhiqizweni eqinile ebunjiwe kanye nemikhiqizo ebunjiwe egobile ehlanganisiwe kuma-pads okuvala irabha, ngemva kokubumba nge-injection ku-substrate ukuze kwakheke umkhiqizo ohlanganisiwe, umsebenzi oyinkimbinkimbi wokuhlela indandatho yokuvala ungashiywa, okwenza inhlanganisela ezenzakalelayo yenqubo elandelayo ibe lula.
2) Ukubumba Umjovo wemibala emibili
Ukubumba ngemijovo enemibala emibili kubhekisela endleleni yokubumba yokufaka amapulasitiki amabili anemibala ehlukene kubumba elifanayo. Kungenza ipulasitiki ivele ngemibala emibili ehlukene futhi kungenza izingxenye zepulasitiki zibe nephethini evamile noma iphethini ye-moiré engajwayelekile, ukuze kuthuthukiswe ukusetshenziswa kanye nobuhle bezingxenye zepulasitiki.
Izici zenqubo:
(1) Izinto eziyinhloko zingasebenzisa izinto ezinobuthi obuphansi ukunciphisa ingcindezi yomjovo.
(2) Kusukela ekucabangeni ngokuvikelwa kwemvelo, izinto eziyinhloko zingasebenzisa izinto eziphinde zasetshenziswa.
(3) Ngokwezici ezahlukene zokusetshenziswa, isibonelo, izinto ezithambile zisetshenziselwa ungqimba lwesikhumba lwemikhiqizo ewugqinsi, kanti izinto eziqinile zisetshenziselwa izinto eziyinhloko. Noma izinto eziyinhloko zingasebenzisa ipulasitiki ye-foam ukunciphisa isisindo.
(4) Izinto eziyinhloko ezisezingeni eliphansi zingasetshenziswa ukunciphisa izindleko.
(5) Izinto zesikhumba noma izinto eziyinhloko zingenziwa ngezinto ezibizayo ezinezakhiwo ezikhethekile zobuso, njengokuphazamiseka kwamagagasi okulwa ne-electromagnetic, ukuhanjiswa kukagesi okuphezulu, nezinye izinto. Lokhu kungandisa ukusebenza komkhiqizo.
(6) Ukuhlanganiswa okufanele kwezinto zesikhumba nezinto eziyinhloko kunganciphisa ukucindezeleka okusele kwemikhiqizo ebunjiwe, futhi kwandise amandla omshini noma izakhiwo zomphezulu womkhiqizo.
3) Inqubo Yokubumba Umjovo We-Microfoam
Inqubo yokubumba umjovo we-Microfoam iwubuchwepheshe obusha bokubumba umjovo wokunemba. Umkhiqizo ugcwaliswa ngokwanda kwama-pores, futhi ukwakheka komkhiqizo kuqedwa ngaphansi kwengcindezi ephansi nejwayelekile.
Inqubo yokubumba i-foam ye-microcellular ingahlukaniswa ngezigaba ezintathu:
Okokuqala, uketshezi olubucayi kakhulu (i-carbon dioxide noma i-nitrogen) luncibilikiswa ku-hot melt glue ukuze kwakheke isisombululo sesigaba esisodwa. Bese lufakwa emgodini wesikhunta ekushiseni okuphansi kanye nengcindezi nge-nozzle yokushintsha. Inani elikhulu lama-nuclei e-air bubble liyakhiwa kumkhiqizo ngenxa yokungazinzi kwama-molecule okubangelwa ukushisa kanye nokunciphisa ingcindezi. La ma-nuclei e-bubble akhula kancane kancane abe yizimbobo ezincane.
Izici zenqubo:
(1) Ukubumba ngomjovo oqondile.
(2) Ukudlula emikhawulweni eminingi yokubumba ngomjovo wendabuko. Kunganciphisa kakhulu isisindo somsebenzi futhi kufinyeze umjikelezo wokubumba.
(3) Ukuguquguquka okugobile kanye nokuqina kobukhulu bento yokusebenza kuthuthukiswa kakhulu.
Isicelo:
Amadeshibhodi ezimoto, amaphaneli eminyango, amapayipi omoya opholile, njll.
4) Ukubumba I-Nano Injection (NMT)
I-NMT (Nano Molding Technology) iyindlela yokuhlanganisa insimbi nepulasitiki ne-nanotechnology. Ngemva kokuba ubuso bensimbi buphathwe nge-nano, ipulasitiki ifakwe ngqo ebusweni bensimbi, ukuze insimbi nepulasitiki kwakhiwe ndawonye. Ubuchwepheshe bokubumba nge-nano buhlukaniswe ngezinhlobo ezimbili zezinqubo ngokuya ngendawo yepulasitiki:
(1) Ipulasitiki iyisakhiwo esibalulekile sobuso obungabonakali.
(2) Ipulasitiki yakhelwe ngokuphelele ubuso bangaphandle.
Izici zenqubo:
(1) Umkhiqizo ubukeka njengensimbi kanye nokuthungwa.
(2) Yenza kube lula ukwakheka kwezingxenye zomkhiqizo ezisebenza ngomshini, okwenza umkhiqizo ube lula, ube mncane, ube mfushane, ube mncane, futhi ube nezindleko ezingcono kune-CNC processing.
(3) Nciphisa izindleko zokukhiqiza kanye namandla aphezulu okubopha, futhi wehlise kakhulu izinga lokusetshenziswa kwezinto ezihlobene.
Izinto zensimbi neze-resin ezisebenzayo:
(1) I-aluminium, i-magnesium, ithusi, insimbi engagqwali, i-titanium, insimbi, ishidi le-galvanized, ithusi.
(2) Ukuzivumelanisa nezimo kwe-aluminium alloy kunamandla, kufaka phakathi uchungechunge olusukela ku-1000 kuya ku-7000.
(3) Ama-resin afaka i-PPS, i-PBT, i-PA6, i-PA66, kanye ne-PPA.
(4) I-PPS inamandla okunamathela aqinile kakhulu (3000N/c㎡).
Isicelo:
Ikesi lefoni ephathekayo, ikesi le-laptop, njll.
Ukubumba Okushisayo
Ukubumba nge-blow kuwukubopha izinto zokusetshenziswa ze-thermoplastic ezincibilikisiwe ezikhishwe ku-extruder ziye esikhumbeni, bese zivuthela umoya ungene ezintweni zokusetshenziswa. Izinto zokusetshenziswa ezincibilikisiwe ziyanda ngaphansi kwesenzo sokucindezela komoya futhi zinamathele odongeni lwesikhala sesikhumbeni. Okokugcina, indlela yokupholisa nokuqinisa ibe yisimo somkhiqizo owufunayo. Ukubumba nge-blow kuhlukaniswe izinhlobo ezimbili: ukubumba nge-blow ifilimu kanye nokubumba nge-hollow blow.
1) Ukuvunguza Amafilimu
Ukufuthwa kwefilimu kuwukukhipha ipulasitiki encibilikisiwe ibe yipayipi elincane eliyindilinga kusuka endaweni evulekile yedayi yekhanda le-extruder. Ngesikhathi esifanayo, futha umoya ocindezelwe ungene emgodini wangaphakathi wepayipi elincane kusuka emgodini ophakathi wekhanda lomshini. Ipayipi elincane lifuthwa libe yifilimu eyisicaba enobubanzi obukhulu (eyaziwa ngokuthi ipayipi lebhamuza), bese lihlanganiswa ngemva kokupholisa.
2) Ukubumba Okungenalutho
Ukubumba i-Hollow blow kuwubuchwepheshe besibili bokubumba obufutha i-parison efana nerabha evalwe emgodini wesikhunta ibe umkhiqizo ongenalutho ngokusebenzisa umfutho wegesi. Futhi kuyindlela yokukhiqiza imikhiqizo yepulasitiki engenalutho. Ukubumba i-Hollow blow kuyahlukahluka ngokuya ngendlela yokukhiqiza i-parison, kufaka phakathi ukubumba i-extrusion blow, ukubumba i-injection blow, kanye nokubumba i-stretch blow.
1))Ukubunjwa kwe-extrusion blow:Kuwukukhipha i-parison yeshubhu nge-extruder, uyibophe emgodini wesikhunta bese uvala phansi ngenkathi kushisa. Bese udlulisela umoya ocindezelwe emgodini wangaphakathi wethubhu ungenalutho bese uwuphephula ube sesimweni esihle.
2))Ukubumba kwe-Injection Blow:I-parison esetshenziswayo itholakala ngokufaka umjovo. I-parison ihlala enkabeni yesikhunta. Ngemva kokuba isikhunta sivaliwe ngesikhunta esivunguzayo, umoya ocindezelwe udlula esikhunta esiyinhloko. I-parison iyafuthwa, ipholiswe, bese umkhiqizo utholakala ngemva kokususwa.
Inzuzo:
Ubukhulu bodonga lomkhiqizo buyafana, ukubekezelela isisindo kuncane, ukucutshungulwa kwangemva kokusetshenziswa kuncane, kanti amakhona okulahla udoti mancane.
Ifanele ukukhiqizwa kwemikhiqizo emincane ehlungiwe enamaqoqo amakhulu.
3))Ukubumba kokushaya kokwelula:I-parison eshisiswe yafinyelela ezingeni lokushisa elifanele ifakwa ku-blow mold. Umkhiqizo utholakala ngokunwebeka ngobude ngenduku yokwelula bese welula ngokuvundlile ngomoya ocindezelwe ovunguzayo.
Isicelo:
(1) Ukubumba ifilimu kusetshenziselwa kakhulu ukwenza izikhunta ezincane zepulasitiki.
(2) Ukubumba okungenalutho kusetshenziselwa kakhulu ukwenza imikhiqizo yepulasitiki engenalutho (amabhodlela, imiphongolo yokupakisha, amathini okunisela, amathangi kaphethiloli, amathini, amathoyizi, njll.).
Ukubumba Okungeziwe
Ukubumba kwe-extrusion kufaneleka kakhulu ekubumbeni kwe-thermoplastics futhi kufaneleka nasekubumbeni kwe-thermosetting kanye ne-plastics eqinisiwe enokuguquguquka okuhle. Inqubo yokubumba ukusebenzisa isikulufu esijikelezayo ukukhipha izinto zokusetshenziswa ze-thermoplastic ezishisayo nezincibilikisiwe ekhanda ngesimo esidingekayo se-cross-sectional. Bese kuba yisibuko se-shaper, bese sipholiswa futhi siqiniswe yi-cooler ukuze sibe umkhiqizo one-cross-section edingekayo.
Izici zenqubo:
(1) Izindleko eziphansi zemishini.
(2) Ukusebenza kulula, inqubo kulula ukuyilawula, futhi kulula ukufeza ukukhiqizwa okuzenzakalelayo okuqhubekayo.
(3) Ukusebenza kahle kokukhiqiza.
(4) Ikhwalithi yomkhiqizo iyafana futhi iqinile.
(5) Imikhiqizo noma imikhiqizo eqediwe kancane enezimo ezahlukahlukene ezinqamula izigaba ingakhiwa ngokushintsha idayisi yekhanda lomshini.
Isicelo:
Emkhakheni wokuklama umkhiqizo, ukubumba kwe-extrusion kusebenza kakhulu. Izinhlobo zemikhiqizo ekhishwayo zifaka phakathi amapayipi, amafilimu, izinduku, ama-monofilaments, amateyipu ayisicaba, amanetha, izitsha ezingenalutho, amafasitela, ozimele beminyango, amapuleti, ukumbozwa kwekhebula, ama-monofilaments, nezinye izinto ezibunjwe ngendlela ekhethekile.
Ukubhala amakhalenda (ishidi, ifilimu)
Ukufaka ikhalenda kuyindlela lapho izinto zokusetshenziswa zepulasitiki zidlula khona ochungechungeni lwama-roller afudumele ukuze zixhunywe kumafilimu noma amashidi ngaphansi kwesenzo sokukhipha nokwelula.
Izici zenqubo:
Izinzuzo:
(1) Ikhwalithi yomkhiqizo enhle, amandla amakhulu okukhiqiza, kanye nokukhiqizwa okuqhubekayo okuzenzakalelayo.
(2) Okubi: imishini emikhulu, izidingo zokunemba okuphezulu, imishini eminingi yokusiza, kanye nobubanzi bomkhiqizo bunqunyelwe ubude be-roller yekhalenda.
Isicelo:
Isetshenziswa kakhulu ekukhiqizweni kwefilimu ethambile ye-PVC, amashidi, isikhumba sokwenziwa, iphepha lodonga, isikhumba saphansi, njll.
Ukubumba Kokucindezela
Ukubumba ngokucindezela kusetshenziselwa kakhulu ukubumba amapulasitiki e-thermosetting. Ngokwezakhiwo zezinto zokubumba kanye nezici zemishini yokucubungula nobuchwepheshe, ukubumba ngokucindezela kungahlukaniswa ngezinhlobo ezimbili: ukubumba ngokucindezela kanye nokubumba ngokucindezela.
1) Ukubumba Kokucindezela
Ukubumba ngokucindezela kuyindlela eyinhloko yokubumba amapulasitiki okusetha i-thermosetting namapulasitiki aqinisiwe. Inqubo iwukucindezela izinto zokusetshenziswa ku-mold eshisiwe ezingeni lokushisa elithile ukuze izinto zokusetshenziswa zincibilike futhi zigeleze futhi zigcwalise umgodi we-mold ngokulinganayo. Ngemva kwesikhathi esithile ngaphansi kwezimo zokushisa nokucindezela, izinto zokusetshenziswa zenziwa imikhiqizo.Umshini wokubumba ngokucindezelaisebenzisa le nqubo.
Izici zenqubo:
Imikhiqizo ebunjiwe iqinile ngokwakheka, inobukhulu obuqondile, ibushelelezi futhi ibushelelezi ngokubukeka, ayinazo izimpawu zesango, futhi inokuqina okuhle.
Isicelo:
Phakathi kwemikhiqizo yezimboni, imikhiqizo ebunjiwe ifaka phakathi imishini kagesi (amapulagi namasokhethi), izibambo zamabhodwe, izibambo zetafula, izivalo zamabhodlela, izindlu zangasese, amapuleti okudlela angaphuki (izitsha ze-melamine), iminyango yepulasitiki eqoshiwe, njll.
2) Ukubumba i-Lamination
Ukubumba i-lamination kuyindlela yokuhlanganisa izendlalelo ezimbili noma ngaphezulu zezinto ezifanayo noma ezahlukene zibe yinto yonke ngeshidi noma izinto ezinemicu njengezigcwalisi ngaphansi kwezimo zokushisa nengcindezi.
Izici zenqubo:
Inqubo yokubumba i-lamination inezigaba ezintathu: ukufaka, ukucindezela, kanye nokucubungula ngemuva. Isetshenziswa kakhulu ekukhiqizeni amashidi epulasitiki aqinisiwe, amapayipi, izinduku, kanye nemikhiqizo yomodeli. Ukuthungwa kukhulu futhi ubuso bubushelelezi futhi buhlanzekile.
Ukubumba Komjovo Wokucindezela
Ukubumba ngomjovo wokucindezela kuyindlela yokubumba ngepulasitiki ye-thermosetting eyakhiwe ngesisekelo sokubumba ngokucindezela, okwaziwa nangokuthi ukubumba ngokudlulisa. Le nqubo ifana nenqubo yokubumba ngomjovo. Ngesikhathi sokubumba ngomjovo wokucindezela, ipulasitiki ifakwa ipulasitiki emgodini wokudla wesikhunta bese ingena emgodini ngohlelo lokugada. Ukubumba ngomjovo kwenziwa ipulasitiki emgqonyeni womshini wokubumba ngomjovo.
Umehluko phakathi kokubumba ngomjovo wokucindezelwa kanye nokubumba ngokucindezela: inqubo yokubumba ngokucindezela iwukuphakela izinto kuqala bese kuvala isikhunta, kuyilapho ukubumba ngomjovo ngokuvamile kudinga ukuthi isikhunta sivalwe ngaphambi kokusiphakela.
Izici zenqubo:
Izinzuzo: (uma kuqhathaniswa nokubumba okucindezelwe)
(1) Ipulasitiki isuke yenziwe ipulasitiki ngaphambi kokungena emgodini, futhi ingakhiqiza izingxenye zepulasitiki ezinezimo eziyinkimbinkimbi, izindonga ezincane noma izinguquko ezinkulu ekujiyeni kodonga, kanye nezingcezu ezincane.
(2) Fushanisa umjikelezo wokubumba, uthuthukise ukusebenza kahle kokukhiqiza, futhi uthuthukise ubuningi namandla ezingxenye zepulasitiki.
(3) Njengoba isikhunta sivaliwe ngokuphelele ngaphambi kokubumba ipulasitiki, ukukhanya kwendawo yokuhlukana kuncane kakhulu, ngakho-ke ukunemba kwengxenye yepulasitiki kulula ukukuqinisekisa, kanti nobukhulu bomphezulu nakho buphansi.
Ukushiyeka:
(1) Kuyohlala kukhona ingxenye yezinto ezisele ezisele ekamelweni lokudla, futhi ukusetshenziswa kwezinto zokusetshenziswa kukhulu kakhulu.
(2) Ukunqunywa kwezimpawu zesango kwandisa umthwalo womsebenzi.
(3) Ingcindezi yokubumba inkulu kuneyokubumba kokucindezela, futhi izinga lokuncishiswa likhulu kuneyokubumba kokucindezela.
(4) Isakhiwo sesikhunta siyinkimbinkimbi kakhulu kunesesikhunta sokucindezela.
(5) Izimo zenqubo ziqinile kune-compression molding, futhi ukusebenza kunzima.
Ukubumba Okujikelezayo
Ukubumba okujikelezayo kusho ukwengeza izinto zokusetshenziswa zepulasitiki esikhumbeni, bese isikhumbeni sijikeleziswa njalo ngezimbazo ezimbili eziqondile bese sishiswa. Ngaphansi kwesenzo samandla adonsela phansi namandla okushisa, izinto zokusetshenziswa zepulasitiki ezikusikhumbeni ziyambozwa kancane kancane futhi zincibilike, bese zinamathela ebusweni bonke bomgodi wesikhumbeni. Zibunjwe zibe yisimo esidingekayo, bese zipholiswa futhi zibunjwe, zisuswe, bese ekugcineni, umkhiqizo utholakala.
Inzuzo:
(1) Nikeza isikhala esengeziwe sokuklama futhi unciphise izindleko zokuhlanganisa.
(2) Ukuguqulwa okulula kanye nezindleko eziphansi.
(3) Gcina izinto zokusetshenziswa.
Isicelo:
I-Water polo, ibhola elintantayo, ichibi lokubhukuda elincane, isihlalo sebhayisikili, ibhodi lokusefa, isikhwama somshini, isembozo sokuvikela, isivikelo sesibani, umshini wokufutha wezolimo, ifenisha, isikebhe, uphahla lwemoto yokukhempa, njll.
Isishiyagalombili, Ukubumba Okuphansi Kwepulasitiki
Ukubumba amaconsi ukusetshenziswa kwezinto ze-polymer ze-thermoplastic ezinezimo eziguquguqukayo, okungukuthi, ukugeleza okunamathelayo ngaphansi kwezimo ezithile, kanye nezici zokubuyela esimweni esiqinile ekushiseni kwegumbi. Futhi sebenzisa indlela efanele namathuluzi akhethekile ukwenza i-inkjet. Esimweni sayo sokugeleza okunamathelayo, ibunjwa ibe yisimo esiklanyelwe njengoba kudingeka bese iqina ekushiseni kwegumbi. Inqubo yobuchwepheshe ihlanganisa ikakhulukazi izigaba ezintathu: isisindo ipulasitiki ephonsa iglue kanye nokupholisa kanye nokuqina.
Inzuzo:
(1) Umkhiqizo unokucaca okuhle kanye nokucwebezela.
(2) Inezakhiwo ezibonakalayo njengokulwa nokungqubuzana, ukungangenwa manzi, kanye nokulwa nokungcola.
(3) Inomphumela oyingqayizivele onezinhlangothi ezintathu.
Isicelo:
Amagilavu epulasitiki, amabhaluni, amakhondomu, njll.
Ukwakheka Kwebhamuza
Ukwakheka kwama-blister, okwaziwa nangokuthi ukwakheka kwe-vacuum, kungenye yezindlela zokwakheka kwe-thermoplastic thermoplastic. Kubhekisela ekubambeni kweshidi noma ipuleti kufreyimu yomshini wokwakha i-vacuum. Ngemva kokushisa nokuthambisa, kuzomuncwa esikhumbeni nge-vacuum ngesiteshi somoya onqenqemeni lwesikhumbeni. Ngemva kwesikhathi esifushane sokupholisa, kutholakala imikhiqizo yepulasitiki ebunjiwe.
Izici zenqubo:
Izindlela zokwakha i-vacuum zifaka phakathi ukwakha i-vacuum die concave, ukwakha i-vacuum die convex, ukwakha i-vacuum concase kanye ne-convex die consequent, ukwakha i-vacuum blowing bubble, ukwakha i-vacuum push-down plunger, ukwakha i-vacuum ngedivayisi ye-gas buffer, njll.
Inzuzo:
Imishini ilula kakhulu, isikhunta asidingi ukumelana nengcindezi futhi singenziwa ngensimbi, ngokhuni, noma nge-gypsum, ngesivinini sokwakheka okusheshayo nokusebenza okulula.
Isicelo:
Isetshenziswa kabanzi ekupakisheni kwangaphakathi nangaphandle kokudla, izimonyo, izinto zikagesi, ihadiwe, amathoyizi, imisebenzi yezandla, imithi, imikhiqizo yokunakekelwa kwempilo, izidingo zansuku zonke, izinto zokubhala, kanye neminye imboni; izinkomishi ezilahlwayo, izinkomishi ezahlukahlukene ezimise okwendebe, njll., amathileyi okutshala izithombo, amathileyi okudla okusheshayo, amabhokisi okudla okusheshayo abolayo.
Ukubumba Okunodaka
Ukubumba i-slush kuwukuthulula ipulasitiki yokunamathisela (i-plastisol) esikhumbeni (isikhumbeni esigobile noma sowesifazane) esishiswa ngokushisa okuthile. Ipulasitiki yokunamathisela eseduze nodonga lwangaphakathi lwesikhala sesikhumbeni izogcoba ngenxa yokushisa, bese ithulula ipulasitiki yokunamathisela engakagcobi. Indlela yokwelapha ngokushisa (ukubhaka nokuncibilikisa) ipulasitiki yokunamathisela enamathiselwe odongeni lwangaphakathi lwesikhala sesikhumbeni, bese iyipholisa ukuze kutholakale umkhiqizo ongenalutho kusuka esikhumbeni.
Izici zenqubo:
(1) Izindleko zemishini eziphansi, kanye nesivinini esikhulu sokukhiqiza.
(2) Ukulawulwa kwenqubo kulula, kodwa ukunemba kobukhulu, kanye nekhwalithi (isisindo) somkhiqizo kubi.
Isicelo:
Isetshenziswa kakhulu kumadeshibhodi ezimoto asezingeni eliphezulu kanye neminye imikhiqizo edinga umuzwa ophakeme kanye nemiphumela ebonakalayo, amathoyizi epulasitiki athambile, njll.
Isikhathi sokuthunyelwe: Ephreli-19-2023
