Imbangela ukuhlaziywa kanye nokuchazwa komfantu ezingxenyeni ezibunjiwe ngomjovo
Ukuqhekeka kufaka phakathi ukuqhekeka kwe-filamentous, ama-microcracks, okumhlophe okuphezulu, ukuqhekeka ebusweni bezingxenye, noma inkinga yokuhlukumezeka ebangelwa ukunamathela kwezingxenye nomgijimi. Ngokusho kwesikhathi sokuqhekeka, ukuqhekeka kungahlukaniswa ngokuqhekeka kokuqhekeka nokuqhekeka kwesicelo Izizathu eziyinhloko zimi kanje:
1.Ukwenza:
(1) Uma ingcindezi yokucubungula iphakeme kakhulu, ijubane liyashesha kakhulu, izinto eziningi zigcwaliswa, futhi umjovo nengcindezi yokubamba isikhathi made kakhulu, ukucindezela kwangaphakathi kuzoba kukhulu kakhulu futhi kuqhekeke.
(2) Lungisa isivinini sokuvula kanye nengcindezi yokuvimbela ukuqhekeka okubangelwa ukudweba okusheshayo nokuqinile kwezingxenye.
(3) Lungisa kahle ukushisa kwesikhunta ukwenza izingxenye zibe lula ukuzinciphisa, futhi ulungise kahle ukushisa kwempahla ukuvimbela ukubola.
(4) Ukuvimbela umugqa we-weld, ukonakala kwepulasitiki okubangelwa amandla aphansi wokuqhekeka nokuqhekeka.
(5) Ukusetshenziswa okufanele kwe-ejenti yokukhululwa, naka ukuvimbela indawo evundlile enamathele enkungwini nezinye izinto.
(6) Ingcindezi eseleyo yezingxenye ingaqedwa ngokuncishiswa ngokushesha ngemuva kokwakha ukunciphisa imifantu.
2.Isici Mold:
(1) Ukukhishwa kufanele kube nokulinganisela. Isibonelo, isibalo nendawo enqamulelayo yezinduku ze-ejector kufanele zanele, ithambeka elidilikayo kufanele lanele, futhi indawo yomgodi kufanele ibe bushelelezi ngokwanele, ukuze kuvinjelwe ukuqhekeka ngenxa yokuxakaniseka okusalile okubangelwa amandla angaphandle.
(2) Ukwakheka kwengxenye akufanele kube mncane kakhulu, futhi ingxenye yenguquko kufanele yamukele ushintsho lwe-arc ngangokunokwenzeka ukugwema ukucindezelwa kwengcindezi okubangelwa amakhona abukhali nokuqhuma.
(3) Zama ukusebenzisa ukufakwa kwensimbi okuncane ukuvimbela ukwanda kwengcindezi yangaphakathi ebangelwa amazinga e-shrinkage ahlukene phakathi kokufakwa nemikhiqizo.
(4) Ezingxenyeni ezijulile zangaphansi, kufanele kusethwe imbobo yokungena komoya efanele ukuvimbela ukwakheka kwengcindezi engezansi yomshini.
(5) I-sprue yanele ukonakalisa idrayivu ngaphambi kokulapha, ngakho-ke kulula ukuyidiliza.
(6) Lapho i-sprue bushing ixhunywe nombhobho, izinto ezibandayo nezinzima kufanele zivinjelwe ekuhuduleni nasekunamatheleni okokusebenza kufayela elingaguquki.
3.Izinto zokwenziwa:
(1) Okuqukethwe kwento esetshenzisiwe kabusha kuphakeme kakhulu, okuholela ekutheni amandla aphansi ezingxenye.
(2) Umswakama uphakeme kakhulu, okwenza amaplastiki athile asabele ngomphunga wamanzi, anciphise amandla nokuqhekeka.
(3) Okokusebenza uqobo akulungele ukucutshungulwa kwemvelo noma ikhwalithi iphansi, futhi kuzodala ukuqhekeka uma kungcolisiwe.
4.Uhlangothi Machine:
Amandla weplastikhi womshini wokubumba umjovo kufanele afanele. Uma umthamo weplastikhi mncane kakhulu, ukufakwa kwepulasitiki ngeke kuxubeke ngokuphelele futhi kube brittle, futhi uma kukhulu kakhulu, kuzokwehlisa isithunzi.
Imbangela ukuhlaziywa kwamabhamuza ezingxenyeni ezibunjiwe ngomjovo
Igesi le-bubble (i-vacuum bubble) lincane kakhulu futhi lingele-vacuum bubble.Ngokuvamile, uma amagwebu atholakala ngesikhathi sokuvulwa kwesikhunta, kuyinkinga yokuphazanyiswa kwegesi.Ukwakhiwa kwamabhamuza we-vacuum kungenxa yokugcwaliswa okwanele kwepulasitiki noma ingcindezi ephansi.Ngaphansi kokuphola okusheshayo kofayo, ukudonswa kukaphethiloli ekhoneni ngomgogodla kuholela ekulahlekelweni kwevolumu.
imigomo yokuhlala:
(1) Khulisa amandla okujova: ingcindezi, isivinini, isikhathi nobungako bezinto ezibonakalayo, futhi kwandise ingcindezi yangemuva yokwenza isikhunta sigcwalise isibumbu.
(2) Khulisa ukushisa kwezinto ezibonakalayo futhi ugeleze kahle.Nciphisa izinga lokushisa lezinto ezibonakalayo, unciphise ukuncipha, futhi ukhulise izinga lokushisa lesikhunta ngokufanele, ikakhulukazi ukushisa kwesikhunta kwasendaweni kwebhomu elingenalutho elenza ingxenye.
(3) Isango lihlelwe engxenyeni enkulu yengxenye ukuthuthukisa isimo sokugeleza kombhobho, umgijimi nesango, futhi kunciphise ukusetshenziswa kwensiza yokucindezela.
(4) Thuthukisa isimo qeda of die.
Isizathu sokuhlaziywa kwe-warpage yezingxenye ezibunjiwe zomjovo
Ukusonteka, ukugoba nokuhlanekezelwa kwezingxenye ezibunjiwe ngomjovo ikakhulu kungenxa yesilinganiso sokuncipha esiphakeme esiqondisweni sokugeleza kunaleso esiqondisweni esime mpo, okwenza izingxenye zisonteke ngenxa yamazinga e-shrinkage ahlukile ohlangothini ngalunye. Ngaphezu kwalokho, ngenxa yengcindezi enkulu yangaphakathi eseleyo ezingxenyeni ngesikhathi sokugcwaliswa komjovo, i-warpage ibangelwa ukugxila okuphezulu kwengcindezi.Ngakho-ke, empeleni, ukwakheka kwesikhunta kunquma ukuthambekela kwezingxenye zempi. Kunzima kakhulu ukubamba lo mkhuba ngokushintsha izimo zokubumba. Isixazululo sokugcina senkinga kufanele siqale ngokwakhiwa kwesikhunta nokwenza ngcono.Lokhu kubangelwa ikakhulu yizici ezilandelayo:
1.Isici Mold:
(1) Ubukhulu nekhwalithi yemikhiqizo kufanele ifane.
(2) Umklamo wohlelo lokupholisa kufanele wenze ukushisa kwengxenye ngayinye yomfaniswano wesikhunta somgogodla, uhlelo lokugibela kufanele lwenze ukugeleza kwezinto kube okuhambisanayo, gwema i-warpage ebangelwe ukugeleza okuhlukile kokuqondisa kanye nesilinganiso sokuncipha, ngokufanelekile ukushuba kwesiteshi se-shunt umzila wengxenye enzima, bese uzama ukuqeda umehluko wobuningi, umehluko wengcindezi nokwehluka kwezinga lokushisa emgodini wesikhunta.
(3) Indawo yenguquko kanye nekhona lobukhulu bensimbi yokusebenza kufanele bushelelezi ngokwanele futhi kube nokusebenza okuhle okulimazayo. Isibonelo, khulisa ukwehliswa kokudilizwa, thuthukisa ukupholisha kwendawo yokufa, futhi ugcine uhlelo lokukhipha lilinganiselwe.
(4) Khipha kahle.
(5) Ngokwandisa ukushuba kodonga noma ngokwandisa ohlangothini lokulwa oluphikisayo, ikhono lokulwa nokulwa lengxenye lingathuthukiswa ngokuqinisa ubambo.
(6) Izinto ezisetshenziswe ekubunjweni azinamandla anele.
2.For Plastics:
Ngaphezu kwalokho, ama-plastiki akhanyisiwe angasebenzisa inqubo ye-crystallization ukuthi i-crystallinity iyancipha ngokwanda kwezinga lokupholisa futhi izinga lokuncipha liyancipha ukulungisa ukuguqulwa kwe-warpage.
Ukuqhubeka:
(1) Uma ingcindezi yomjovo iphezulu kakhulu, isikhathi sokubamba side kakhulu, izinga lokushisa elincibilikayo liphansi kakhulu futhi ijubane lishesha kakhulu, ukucindezela kwangaphakathi kuzokwanda futhi i-warpage izovela.
(2) Izinga lokushisa lesikhunta liphezulu kakhulu futhi isikhathi sokupholisa sifushane kakhulu, ukuze izingxenye zishiswe kakhulu bese kwenzeka ukususwa kokukhishwa.
(3) Ukucindezela kwangaphakathi kunqunyelwe ngokunciphisa isivinini sesikulufu nengcindezi emuva futhi kunciphise ukuminyana ngenkathi kugcinwa imali ephansi.
(4) Uma kunesidingo, ukulungiselelwa okuthambile noma ukucekelwa phansi kwensimbi kungenziwa ukuze kwenziwe izingxenye ezilula ukusonteka nokukhubazeka.
Ukuhlaziywa komugqa wombala, ulayini nembali yemikhiqizo yokubumba umjovo
Lokhu kukhubazeka kubangelwa umbala wombala we-masterbatch wezingxenye zepulasitiki. Yize umbala we-masterbatch coloring ungcono kunombala we-powder owomile nombala wokunamathisela udayi ngokuya ngokuzinza kombala, ubumsulwa bekhwalithi yombala nokufuduka kombala, impahla esatshalaliswayo, okungukuthi, izinga lokuxubana kokufana kwama-granules ombala kuma-plastiki ahlanjululwe kancane, futhi imikhiqizo eqediwe ngokwemvelo inokuhlukahluka kombala wesifunda.
(1) Khulisa ukushisa kwesigaba sokondla, ikakhulukazi izinga lokushisa ekugcineni kwesigaba sokudla, ukuze izinga lokushisa lisondele noma liphakame kancane kunokushisa kwesigaba esincibilikayo, ukuze i-masterbatch yombala incibilike ngokushesha lapho kungenzeka lapho ingena esigabeni sokuncibilika, ikhuthaza ukuhlangana okufanayo nokuhlanjululwa, futhi kwandise amathuba okuxubana kuketshezi.
(2) Lapho isivinini se-screw sihlala njalo, izinga lokushisa lokuncibilika nomphumela we-shear emgqonyeni ungathuthukiswa ngokwandisa ingcindezi yangemuva.
(3) Shintsha isikhunta, ikakhulukazi uhlelo lwesango. Uma isango libanzi kakhulu, umphumela wesiyaluyalu uphansi futhi nokukhuphuka kwezinga lokushisa akulona phezulu lapho ukuncibilika kudlula. Ngakho-ke, umgodi webhande lesikhunta wombala kufanele uncishiswe.
Imbangela yokuhlaziywa kokuncipha kokuncipha kwezingxenye zomjovo ezibunjiwe
Ngenqubo yokubumba umjovo, ukucindezelwa kokuncipha kuyinto evamile. Izizathu eziyinhloko zalokhu zimi kanje:
Uhlangothi 1.Machine:
(1) Uma umgodi wombhobho mkhulu kakhulu, uzobangela ukuthi into encibilikayo ibuye inciphe. Uma incane kakhulu, ukumelana kuzoba kukhulu futhi nenani lezinto ezibonakalayo ngeke lanele.
(2) Uma amandla okubamba enganele, i-flash izoncipha, ngakho-ke hlola ukuthi ngabe kukhona yini inkinga ngohlelo lokukhiya isikhunta.
(3) Uma inani le-plasticizing linganele, kufanele kukhethwe umshini onenani elikhulu le-plasticizing ukuhlola ukuthi isikulufa nomgqomo usugqokiwe yini.
2.Isici Mold:
(1) Ubukhulu bodonga kufanele bufane futhi ukuncipha kufanele kungaguquguquki.
(2) Uhlelo lokupholisa nokushisa lwesikhunta kufanele luqinisekise ukuthi izinga lokushisa lengxenye ngayinye liyahambisana.
(3) Uhlelo lwesango kufanele lubushelelezi, futhi ukumelana akufanele kube kukhulu kakhulu. Isibonelo, usayizi womgijimi omkhulu, umsabalalisi nesango kufanele kube kufanelekile, isiphetho kufanele sanele, nendawo yenguquko kufanele ibe yindilinga.
(4) Ezingxenyeni ezincane, izinga lokushisa kufanele lenyuswe ukuqinisekisa ukugeleza kwezinto ezibushelelezi, nangenxa yezingxenye zodonga olujiyile, izinga lokushisa lesikhunta kufanele lehliswe.
(5) Isango kufanele lisethwe ngokulingana, futhi kufanele lisethwe engxenyeni yodonga obukhulu bendawo yokusebenza ngangokunokwenzeka, futhi ivolumu yempahla ebandayo kufanele inyuswe.
3.For Plastics:
Isikhathi sokuncipha kwamaplastikhi amakhemikhali sibi kakhulu kunaleso samaplastikhi angewona amakristalu. Kuyadingeka ukukhulisa inani lezinto zokwakha noma ukufaka izithasiselo kuplastiki ukusheshisa i-crystallization nokunciphisa ukudangala okuncipha.
Ukucubungula:
(1) Uma izinga lokushisa lomgqomo liphezulu kakhulu futhi nomthamo ushintsha kakhulu, ikakhulukazi izinga lokushisa lomphambili, izinga lokushisa kwepulasitiki elinamanzi ampofu kufanele liphakanyiswe kahle ukuqinisekisa ukusebenza kahle.
(2) Uma ingcindezi yomjovo, isivinini nengcindezi emuva ziphansi kakhulu futhi isikhathi somjovo sifushane kakhulu, ingcindezi yokuncipha, isivinini kanye nengcindezi yangemuva inkulu kakhulu futhi isikhathi side kakhulu, okuholela ekunciphiseni ngenxa yokukhanya.
(3) Lapho isiguqo sikhulu kakhulu, ingcindezi yomjovo izosetshenziswa. Uma isiguqo sincane kakhulu, ingcindezi yomjovo izobe inganele.
(4) Ezingxenyeni ezingadingi ukucaciswa, ngemuva kokulungiswa komjovo nokucindezelwa, ungqimba lwangaphandle ngokuyisisekelo lushintshiwe futhi lukhuni, kanti ingxenye yesangweji ithambile futhi ingakhishwa. Uma izingxenye zivunyelwe ukupholisa kancane emoyeni noma emanzini ashisayo, ukucindezeleka kwe-shrinkage kuzoba mnene futhi kungabonakali kahle, futhi ukusetshenziswa ngeke kuthinteke.
Imbangela ukuhlaziywa kwamaphutha asobala ezingxenyeni zomjovo ezibunjiwe
Imikhiqizo esobala yendawo yokuncibilika, i-crazing, i-polystyrene eqhekekile ne-plexiglass kwesinye isikhathi ingabonakala ngokukhanya. Ama-molecule e-polymer elungelo lokusetshenziswa anokujwayela ukugeleza okusindayo, futhi umehluko wokhiqiza phakathi kwe-polymer nengxenye engaqondisiwe uyaboniswa.
isisombululo:
(1) Susa ukuphazamiseka kwegesi nokunye ukungcola, bese womisa ipulasitiki ngokwanele.
(2) Nciphisa izinga lokushisa lezinto ezibonakalayo, lungisa izinga lokushisa lomgqomo ngezigaba, futhi wandise ukushisa kwesikhunta ngokufanele.
(3) Khulisa ingcindezi yomjovo futhi wehlise ijubane lomjovo.
(4) Khulisa noma wehlise ingcindezi yangemuva yokubumba kwangaphambilini futhi wehlise isivinini sesikulufu.
(5) Thuthukisa isimo qeda umgijimi kanye umgodi.
(6) Hlanza umlomo wombhobho, umgijimi kanye nesango lokuvimba okungaba khona.
(7) Ngemuva kokudilizwa, indlela yokuncishiswa ingasetshenziswa ukuqeda iCraze: i-polystyrene ngama-78 ℃ imizuzu eyi-15, noma ama-50 ℃ ngehora elilodwa, nge-polycarbonate, evuthiswe ngaphezulu kwe-160 ℃ imizuzu embalwa.
Isizathu sokuhlaziywa kombala ongalingani wezingxenye ezibunjiwe zomjovo
Izimbangela eziyinhloko nezixazululo zombala ongalingani wemikhiqizo ebunjiwe yomjovo zimi kanje:
(1) Ukusabalala kombala ompofu, okuvame ukuholela ekubonakaleni kwamaphethini eduze kwesango.
(2) Ukuzinza okushisayo kwamapulasitiki noma ama-colorants akukuhle. Ukuze uzinze umbala wemikhiqizo, izimo zokukhiqiza kufanele zilungiswe ngokuqinile, ikakhulukazi ukushisa kwempahla, ubuningi bezinto nomjikelezo wokukhiqiza.
(3) Kumaplastikhi amakristalu, izinga lokupholisa lengxenye ngayinye yomkhiqizo kufanele lihambisane ngangokunokwenzeka. Ezingxenyeni ezinomehluko omkhulu wokuqina kodonga, imibala ingasetshenziswa ukumboza umehluko wombala. Ezingxenyeni ezinobukhulu obufanayo bodonga, izinga lokushisa lezinto ezibonakalayo nokushisa kwesikhunta kufanele kulungiswe.
(4) Ukuma, ukuma kwesango nokuma kwale ngxenye kunethonya ekugcwalisweni kwepulasitiki, okwenza umehluko wombala kwezinye izingxenye zengxenye, futhi kufanele iguqulwe uma kunesidingo.
Imbangela ukuhlaziywa kombala kanye isicwebezelisi ukukhubazeka imikhiqizo umjovo olubunjiwe
Ngaphansi kwezimo ezijwayelekile, isicwebezeli sezingxenye zomjovo ezibunjiwe ikakhulukazi sinqunywa uhlobo lweplastikhi, umbala ogqamile nobuso obuqediwe.Kodwa kaningi futhi kungenxa yezizathu ezithile, umbala ongaphezulu nokukhubazeka okucwebezelayo, umbala omnyama ngaphezulu nezinye iziphambeko. izixazululo zimi kanje:
(1) Isikhunta has sekugcineni abampofu, nokugqwala ebusweni umgodi futhi qeda ompofu.
(2) Kukhona ukukhubazeka ohlelweni lokubamba isikhunta, ngakho-ke kubalulekile ukukhulisa umthombo wokupholisa, umgijimi, i-sprue yokupholisha, i-splitter kanye nesango.
(3) Ukushisa kwempahla nokushisa kwesikhunta kuphansi, uma kunesidingo, indlela yokushisa yasendaweni ingasetshenziswa.
(4) Ingcindezi yokucubungula iphansi kakhulu, isivinini sihamba kancane, isikhathi somjovo asanele, nengcindezi yangemuva ayanele, okuholela ekubumbaneni okuncane nobuso obumnyama.
(5) Amapulasitiki kufanele afakwe kupulasitiki ngokuphelele, kepha ukonakaliswa kwezinto kufanele kuvinjelwe. Ukushisa kufanele kuzinze futhi ukupholisa kufanele kube kwenele, ikakhulukazi kwabodonga obukhulu.
(6) Ukuvimbela izinto ezibandayo ukungena ezingxenyeni, sebenzisa intwasahlobo yokuzikhiya noma ukunciphisa izinga lokushisa lombhobho uma kunesidingo.
(7) Izinto zokwenziwa kabusha eziningi kakhulu, ikhwalithi engalungile yamapulasitiki noma imibala, umhwamuko wamanzi noma okunye ukungcola, kanye nekhwalithi embi yezithambisi ezisetshenzisiwe.
(8) Amandla okubamba kufanele anele.
Imbangela yokuhlaziywa kobuhlalu emikhiqizweni ebunjiwe yomjovo
Ukukhwabanisa kwemikhiqizo ebunjiwe yomjovo, kufaka phakathi amagwebu angaphezulu kanye nama-pores angaphakathi.Isizathu esikhulu salokhu kungaphazanyiswa kwegesi (ikakhulukazi umusi wamanzi, igesi yokubola, igesi kuphela kanye nomoya) .Izizathu ezithile zimi kanje:
1. Uhlangothi Machine:
(1) Kukhona i-engeli efile yokugeleza kwempahla lapho umgqomo noma isikulufu kugqokiwe noma ikhanda lenjoloba nendandatho yerabha kudlula, okuyobola lapho kufudunyezwa isikhathi eside.
(2) Uma into efudumezayo ingalawuleki, hlola ukuthi ngabe into yokufudumeza ayilawuleki yini.Uklanywa okungalungile kwesikulufu kungadala isixazululo ngazinye noma kungenise kalula umoya.
2.Isici Mold:
(1) Ukukhipha okungafanele.
(2) Ukumelana kokushayisana komgijimi, isango nomgodi kusikhunta kukhulu, okubangela ukushisa kwendawo nokubola.
(3) Ukusatshalaliswa okungalingani kwesango nomgodi kanye nesistimu yokupholisa engenangqondo kuzoholela ekushiseni okungalinganiseli nasekushiseni kwendawo noma ekuvinjeni kokungena komoya.
(4) Iphaseji yokupholisa iyavuza ingene emgodini.
3.For Plastics:
(1) Uma umswakama wepulasitiki uphakeme, inani lezinto ezenziwe kabusha ezifakiwe ziningi kakhulu noma kukhona ama-chip ayingozi (ama-chip kulula ukubola), amapulasitiki kufanele omiswe ngokwanele futhi okusikiwe kufanele kususwe.
(2) Munca umswakama ovela emkhathini noma ovela kumbala ogqamile, okufaka umbala kufanele futhi komiswe, kungcono ukufaka isomisi emshinini.
(3) Inani lesithambisi nesiqinisi elifakwe kuplastikhi likhulu kakhulu noma lixubeke ngokungalingani, noma ipulasitiki uqobo inezinyibilikisi ezishintshashintshayo.Lapho kunzima ukubheka izinga lokushisa, amapulasitiki ahlanganisiwe azobola.
(4) Ipulasitiki ingcolile futhi ixutshwe namanye amapulasitiki.
Ukucubungula:
(1) Lapho ukushisa kokusetha, ingcindezi, isivinini, ingcindezi yangemuva kanye nejubane lokuncibilika kwesivinini semoto kuphezulu kakhulu ukudala ukubola, noma ingcindezi nesivinini kuphansi kakhulu, isikhathi somjovo nengcindezi akwanele, nengcindezi yangemuva nayo okuphansi, ukukhwabanisa kwenzeka ngenxa yokungabi bikho kwabantu ngenxa yokwehluleka ukuthola umfutho ophakeme, ngakho-ke kufanele kubekwe izinga lokushisa, ingcindezi, isivinini nesikhathi esifanele futhi kuzokwamukelwa isivinini somjovo weziteji eziningi.
(2) Ukucindezela emuva okuphansi nesivinini esikhulu kwenza umoya ungene emgqonyeni kalula. Lapho izinto ezincibilikayo zingena ekubunjweni, lapho umjikelezo mude kakhulu, into encibilikile izobola lapho ifutheliswa yinde kakhulu emgqonyeni.
(3) Ubuningi bezinto ezinganele, i-buffer enkulu kakhulu yokudla, izinga lokushisa eliphansi kakhulu noma ukushisa kwesikhunta okuphansi kakhulu kuthinta ukugeleza nokucindezela kokubumba kwendaba futhi kukhuthaze ukwakheka kwamabhamuza.
Ukuhlaziywa kwezimbangela zokuhlanganiswa kwe-weld ezinxenyeni ezibunjiwe zomjovo
Lapho amapulasitiki ancibilikisiwe ehlangana nomgodi wokufaka, indawo ene-discontinuous flow velocity kanye nendawo enokuphazanyiswa kokugcwaliswa kwezinto ezibonakalayo emgodini wesikhunta, ukuhlangana okuhlangene komugqa kuzokhiqizwa ngenxa ye-fusion engaphelele. Ngaphezu kwalokho, esimweni somjovo wesango ukugcwaliswa, umthungo we-weld nawo uzokwakhiwa, futhi amandla ejoyini le-weld abi kakhulu Izizathu eziyinhloko zimi kanje:
1.Ukwenza:
(1) Ingcindezi yomjovo nesivinini kuphansi kakhulu, futhi izinga lokushisa lomgqomo nokushisa kwesikhunta kuphansi kakhulu, okwenza ukuthi izinto ezincibilikayo ezifaka isikhunta zipholile ngaphambi kwesikhathi futhi ilunga le-fusion liyavela.
(2) Lapho ingcindezi yomjovo nesivinini kuphakeme kakhulu, kuzoba khona ukuhlangana kokufuthwa nokuhlanganiswa.
(3) I-viscosity kanye nobuningi bamapulasitiki kwehla ngokwanda kwejubane nengcindezi emuva.
(4) Ipulasitiki kufanele yomiswe kahle, izinto ezenziwe kabusha kufanele zisetshenziswe kancane, i-ejenti enkulu kakhulu yokukhipha noma ikhwalithi engemihle nayo izovela ihlangene.
(5) Yehlisa amandla okubamba, kulula ukuqeda.
2.Isici Mold:
(1) Uma kunamasango amaningi kakhulu emgodini ofanayo, isango kufanele lisethwe ngokuvumelanayo noma lisondele ngangokunokwenzeka ejoyintini le-weld.
(2) Isistimu yokukhipha kufanele isethwe uma kwenzeka kuqeda kabi ukuhlangana kwe-fusion.
(3) Uma umgijimi emkhulu kakhulu, ubukhulu bohlelo lwesango abulungile, isango kufanele livulwe ukuvikela ukuncibilika okugeleza kuzungeze imbobo yokufaka, noma ukufaka kufanele kusetshenziswe kancane ngangokunokwenzeka.
(4) Uma ukushuba kodonga kushintsha kakhulu noma ukushuba kodonga kuncane kakhulu, ubukhulu bezindonga zezingxenye kufanele bufane.
(5) Uma kunesidingo, kufanele kubekwe umthombo we-fusion ejoyintini lokuhlukanisa ukuhlanganisa okuhlangene nezingxenye.
3.For Plastics:
(1) Amafutha nezithambisi kufanele zengezwe kuplastikhi ngokungabi namanzi kahle noma ukuzwela kokushisa.
(2) IPlastiki iqukethe ukungcola okuningi, uma kunesidingo, ukushintsha ikhwalithi yepulasitiki.
Ukuhlaziywa ngembangela yokudlidliza kokuqhekeka ezingxenyeni ezibunjiwe zomjovo
I-PS nezinye izingxenye zepulasitiki eziqinile esangweni eliseduze nobuso, esangweni njengesikhungo sokwakhiwa kwamaripple aminyene, kwesinye isikhathi abizwa ngokuthi yi-jarring. Isizathu ukuthi lapho i-viscosity encibilikayo iphakeme kakhulu futhi isikhunta sigcwele ifomu ukugeleza okungamile, impahla engaphambili ingase ihlangane futhi ihlangane ngokushesha lapho ixhumana nobuso bomgodi, futhi okokuncibilikiswa okuhamba kwesikhathi kuzokwanda futhi kunciphe, futhi okubandayo kuzoqhubeka nokuqhubekela phambili. Ukushintshashintsha okuqhubekayo kwenqubo kwenza amamaki okugeleza okwenziwe ngezinto ebusweni enqubeni yokuthuthuka.
isisombululo:
(1) Izinga lokushisa lesikhunta kufanele futhi lenyuswe ukwandisa izinga lokushisa lomgqomo, ikakhulukazi izinga lokushisa lombhobho.
(2) Ingcindezi yomjovo nesivinini kwandisiwe ukugcwalisa umgodi ngokushesha.
(3) Thuthukisa ubukhulu besango futhi uvimbele isango ekubeni likhulu kakhulu.
(4) The qeda isikhunta kufanele kube kuhle, futhi ngokwanele izinto ezibandayo kufanele isethwe.
(5) Musa ukuklama izingxenye zibe mncane kakhulu.
Isizathu sokuhlaziywa kokuvuvukala nokubhoboza izingxenye zomjovo ezibunjiwe
Ezinye izingxenye zepulasitiki zivela ukuvuvukala noma ukubhobhoza ngemuva kokufakwa kwensimbi noma ezingxenyeni eziwugqinsi ngokweqile ngemuva kokubumba nokudiliza.Lokhu kungenxa yokwanda kwegesi ekhishwe yipulasitiki engapholi ngokuphelele futhi iqine ngaphansi kwesenzo inhlawulo yengcindezi yangaphakathi.
Izixazululo:
1. Ukupholisa okuphumelelayo. Nciphisa izinga lokushisa lesikhunta, yelula isikhathi sokuvula isikhunta, ukunciphisa ukomisa nokucubungula izinga lokushisa kwendaba.
2. Kunganciphisa isivinini sokugcwalisa, ukwakha ukumelana nomjikelezo nokugeleza.
3.Kwandisa ingcindezi yokubamba nesikhathi.
4.Thuthukisa isimo sokuthi udonga lukhulu kakhulu noma ubukhulu buguquka kakhulu.
