Eminyakeni yamuva nje, ngokutshalwa kwezimali okukhulu kwengqalasizinda kanye nokuthuthuka ngokushesha kwezimboni eChina, umkhiqizo kanye nokusetshenziswa kwayo yonke imboni yamaphrofayili e-aluminium kukhula ngokushesha, futhi iChina isibe isizinda sokukhiqiza iphrofayili ye-aluminium enkulu kunazo zonke emhlabeni kanye nemakethe yabathengi. .Ngemva kweminyaka ecishe ibe yi-10 yokukhula ngokushesha, imboni yephrofayili ye-aluminium yaseChina ingene esigabeni esisha sokuthuthuka, futhi isibonise izitayela eziningi zokuthuthuka.
Ngaphezu kwalokho, ngokuthuthuka okusheshayo kokwakhiwa, ezokuthutha, izimoto namandla elanga kanye nezimboni ze-LED, izidingo zokunemba okuphezulu nokusebenza okuphezulu kwemikhiqizo ye-aluminium alloy extrusion ziyanda usuku nosuku, futhi ukwakheka kwesigaba sephrofayili kuyinkimbinkimbi futhi kuhlukahlukene, futhi lapho. kukhona ukushiyeka okuningi ekwakhiweni kwamafomu ajwayelekile kanye najwayelekile.Ngakho-ke, ukuze sithole amaphrofayili ekhwalithi ephezulu, kufanele sihlale sifunde futhi siqongelele ekukhiqizeni nasekuphileni, futhi siguqule njalo futhi sisungule izinto ezintsha.
I-Mold design iyisixhumanisi esibalulekile.Ngakho-ke, kuyadingeka ukuhlaziya ukwakheka kwesikhunta sephrofayili ekhishwe ngokuhlelekile futhi kuxazululwe izinkinga ngesinyathelo ngesinyathelo ngomkhuba wokukhiqiza.
Amaphuzu ayisi-6 ayisihluthulelo somklamo wesikhunta sephrofayili ye-aluminium
1. Ukuhlaziywa kosayizi wezingxenye ze-aluminium extruded
Ubukhulu nokuphambuka kwezingxenye ezikhishiwe kunqunywa ukufa, imishini ye-extrusion kanye nezinye izici zenqubo efanele.Phakathi kwazo, ukuguqulwa kobukhulu besikhunta kunomthelela omkhulu, futhi izizathu ezithinta ukuguqulwa kobukhulu besikhunta yilezi: ukuguqulwa kwe-elastic deformation. kwesikhunta, ukunyuka kwezinga lokushisa kwesikhunta, impahla yesikhunta kanye nokunemba kokukhiqiza kwesikhunta kanye nokugqoka kwesikhunta.
(1) ukukhethwa kwethoni ye-aluminium extruder
I-extrusion ratio iwumfanekiso wezinombolo wobunzima besikhunta ukuze kuzuzwe i-extrusion.Ngokuvamile, isilinganiso se-extrusion esiphakathi kuka-10-150 siyasebenza.I-extrusion ratio ingaphansi kuka-10, izakhiwo zomshini zomkhiqizo ziphansi; Ngokuphambene nalokho, isilinganiso se-extrusion siphezulu kakhulu, umkhiqizo uthambekele ekubeni roughness noma i-Angle. ukuchezuka nokunye ukukhubazeka.Amaphrofayili aqinile avame ukutuswa isilinganiso sokukhipha cishe ku-30, amaphrofayili angenalutho cishe ku-45.
(2) Ukunqunywa kobukhulu bangaphandle
Izilinganiso zangaphandle ze-extrusion die zibhekisela kububanzi nobukhulu be-die.Ubukhulu besikhunta bunqunywa ubukhulu, isisindo namandla esigaba sephrofayela.
2. Ukubala okunengqondo kosayizi wokufa we-extrusion
Lapho kubalwa usayizi wembobo yokufa, ukucatshangelwa okuyinhloko ngokukhipha ukwakheka kwe-aluminium ingxubevange yamakhemikhali, ukwakheka komkhiqizo, ubukhulu begama kanye nokubekezelelana, izinga lokushisa le-extrusion, kanye nezinto zokukhunta futhi kufakwe ngaphansi kwe-alloy lokushisa, i-coefficient yokwandisa yomugqa yomkhiqizo ngokusekelwe izici zejometri ye-cross section, kanye nezinguquko zayo ngesikhathi sokwelula, izici ezifana nobukhulu bengcindezi ye-extrusion kanye nokuguqulwa kwe-elastic of the die.
Kumaphrofayili anomehluko omkhulu wokuqina odongeni, izingxenye ezinezindonga ezincane kanye nezindawo ezibukhali okunzima ukuzenza kufanele zikhuliswe ngokufanelekile ngosayizi.
Ngezimbobo ezifayo zamaphrofayili odonga oluyisicaba noluncane kanye namaphrofayili odonga anobubanzi obukhulu kuya kobukhulu besilinganiso, usayizi wamathilamu ungaklanywa ngokuya ngamaphrofayili ajwayelekile, nobukhulu bobukhulu bewebhu, ngaphezu kwezici ezibalwe ku- ifomula, futhi kudingeka ucabangele deformation nokunwebeka, deformation plastic, ukugoba jikelele, ibanga ukusuka maphakathi isilinda extrusion kanye nezinye izici.Ngaphezu kwalokho, isivinini extrusion, idivayisi traction nokunye futhi kube nomthelela othize ngobukhulu imbobo die. .
3. Ukulungiswa okunengqondo kwejubane lokugeleza kwensimbi
Okubizwa ngokuthi ukulungiswa okunengqondo ukuqinisekisa ukuthi i-particle ngayinye engxenyeni ephambanayo yomkhiqizo kufanele iphume emgodini wokufa ngesivinini esifanayo ngaphansi kwesimo esifanele.
Ngokusemandleni kusetshenziswa ilungiselelo le-porous symmetrical, ngokuya ngokuma kwephrofayili, umehluko wokuqina kodonga lwengxenye ngayinye kanye nomehluko wesiyingi kanye nebanga elisuka enkabeni yesilinda sokukhipha, ukwakheka kwebhande lokulinganisa ubude obuhlukene. .Ngokujwayelekile, ukuqina kodonga lwesigaba kuya kuba mncane, ukuzungeza okukhulu, ukwakheka okuyinkimbinkimbi, ukude kakhulu nendawo ephakathi kwesilinda sokukhipha, ibhande lokulinganisa kufanele libe lifushane lapha.
Lapho ibhande lokulinganisa lisenzima ukulawula izinga lokugeleza, ukuma kuyinkimbinkimbi ikakhulukazi, ukushuba kodonga kuncane kakhulu, kude nendawo ephakathi kwengxenye kungasetshenziswa ukukhuthaza i-Angle yokugeleza noma i-cone yomhlahlandlela ukusheshisa ukugeleza kwensimbi. Ngokuphambene nalokho, kulezo zingxenye ezinezindonga eziminyene kakhulu noma eziseduze kakhulu nendawo yesilinda esikhiphayo, i-Angle yokuvimbela kufanele isetshenziselwe ukwengeza ukuvinjelwa ukuze kuncishiswe izinga lokugeleza lapha.Ngaphezu kwalokho, imbobo yebhalansi yenqubo, inqubo isibonelelo, noma ukusetshenziswa kwefa legumbi langaphambili, umhlahlandlela uyafa, shintsha inombolo, usayizi, ukuma kanye nendawo yembobo ehlukanisiwe ukulungisa izinga lokugeleza kwensimbi.
4. Qinisekisa amandla esikhunta anele
Ngenxa yokuthi isimo sokusebenza sokufa sibi kakhulu ngesikhathi se-extrusion, amandla okufa ayinkinga ebaluleke kakhulu ekuklanyweni kokufa.Ngaphezu kokuhlelwa okunengqondo kwendawo yezimbobo zokufa, ukukhethwa kwezinto ezifanele zokufa, ukuklama kokufa okunengqondo. isakhiwo nesimo, ukubala okunembile kwengcindezi ye-extrusion futhi uhlole amandla avumelekile wesigaba ngasinye esiyingozi nakho kubaluleke kakhulu.
Njengamanje, kunamafomula amaningi okubala amandla e-extrusion, kodwa ifomula ye-Beerling eguquliwe isenayo inani lobunjiniyela.Indlela yesisombululo somkhawulo ophezulu wengcindezi ye-extrusion nayo inenani elihle lohlelo lokusebenza, futhi kulula ukubala ingcindezi ye-extrusion ngokusebenzisa indlela ye-empirical coefficient. .
Ngokuqondene nokuhlola amandla esikhunta, kufanele kwenziwe ngokuya ngohlobo lomkhiqizo, isakhiwo sesikhunta, njll.Ifafa elijwayelekile eliyisicaba kuphela lidinga ukuhlola amandla okugunda kanye namandla okugoba;I-shear, ukugoba namandla acindezelayo olimi kanye nokuhlukaniswa kweplani kuyafa. kufanele kubhekwe, futhi amandla aqinile olimi nenaliti nawo kufanele kucatshangelwe.
Enye yezinkinga eziyisisekelo ekuhloleni amandla iwukukhetha ifomula yethiyori yamandla efanele kanye nengcindezi evumelekile enembe kakhudlwana. Eminyakeni yamuva nje, indlela yesici esilinganiselwe ingasetshenziswa ukuhlaziya amandla nokuhlola amandla okufa okuyinkimbinkimbi ikakhulukazi.
5. Ubukhulu bobukhulu bebhande lokusebenza
Kunzima kakhulu ukunquma indawo yokusebenza ye-splitter composite die kunaleyo yesigamu sokufa, hhayi kuphela umehluko wokuqina wodonga lwephrofayili kanye nebanga ukusuka enkabeni, kodwa futhi nokuvikela imbobo yokufa ngebhuloho elihlukanisayo. kufanele kucatshangelwe.Emgodini wokufa ngaphansi kwebhuloho elihlukanisiwe, ibhande lomsebenzi kufanele lincishiswe ngenxa yobunzima bokugeleza kwensimbi.
Lapho kunqunywa indawo yomsebenzi, owokuqala ukuthola ukushuba kodonga oluncane kakhulu kuphrofayili yebhuloho le-triage kukumelana nokugeleza kwensimbi yendawo enkulu kunazo zonke, umsebenzi omncane ophindwe kabili njengokuqina kodonga, ukushuba kodonga noma insimbi kulula ukuyifinyelela, ukusebenza ngokucatshangelwa okufanele kokujiya, ngokuvamile ngokuya ngobudlelwano obuthile besilinganiso, kanye nokugeleza okulula kokubuyekeziwe.
6. Isakhiwo sommese ongenalutho wembobo yokufa
I-Die hole cutter iyisakhiwo esisekela i-cantilever ekuphumeni kwebhande elisebenzayo lembobo yokufa. Ubukhulu bodonga lwephrofayili T ≥2.0mm, lungasetshenziselwa ukucubungula isakhiwo sokusika esingenalutho esilula esiqondile;Lapho u-t<2mm, noma nge-cantilever, sebenzisa ummese oblique ongenalutho.
Okubili.Izinkinga ezivamile ekwakhiweni kwesikhunta
1. Indima yegumbi lesibili lokushisela
I-Extrusion die idlala indima ebalulekile ekukhishweni kwamaphrofayili e-aluminium, okuthinta ngokuqondile ikhwalithi yemikhiqizo ekhishwe.Kodwa-ke, ekukhiqizeni kwangempela, umklamo we-extrusion die uncike kakhulu ekuhlangenwe nakho komklami, kanye nekhwalithi yokufa. umklamo kunzima ukuqinisekisa, ngakho-ke kuyadingeka ukuzama futhi ulungise idayi izikhathi eziningi.
Ngokusho kokushiyeka kokuklama kwe-die, uhlelo oluhle lokuklama lokubeka amakamelo amabili okushisela endaweni ephansi yafakwa phambili, olwenzela amaphutha okuphakelwa okungaphelele ekucutshungulweni kwe-die, kugwenywe amaphutha wokuvula, ukuvala kanye nomehluko womumo ngaphambi kanye ngemva kokukhululwa kwezinto ezibangelwa ukungondliwa okwanele, futhi kuxazululwe ngokuphumelelayo inkinga yokusabalalisa isivinini esingalingani ekwakhiweni.Ngakho-ke, ohlelweni lokuthuthukisa, izinga lokushisa nokusabalalisa kokucindezeleka engxenyeni yephrofayili kufana kakhulu, futhi impahla ithuthukiswa kakhulu.
2. Indima yomdlalo wesibili
Eklanyweni ye-extrusion die, i-diversion yesibili isetshenziselwa amaphrofayili aqinile anomehluko omkhulu wokuqina odongeni.Isibonelo: Idizayini yokuqala yesikhunta yakhiwe ngesikhunta esivamile kanye ne-die pad.Ayilungile okokuqala ngqa.I-Angle incane, futhi ingxenye enezindonga ezincane i-ultra-thin futhi i-ultra-small.Ukulungisa isikhunta akulungile ngisho noma ingxenye enodonga oluncane ikhulisiwe futhi ibhande elisebenzayo liyehliswa.
Ukuze kuxazululwe inkinga yokusabalalisa kwesivinini esingalingani ekwakhiweni kwesikhunta sokuqala, umklamo wepuleti lomhlahlandlela wamukelwa okwesibili, futhi uhlelo oluhle lokuklama lokubeka amazinga amabili omhlahlandlela ekubunjweni kwabekwa phambili.
Ukucacisa, udonga oluncane luqondiswe ngokuqondile, ingxenye yodonga oluwugqinsi isakazwa ngamadigri angu-30 ububanzi bokuphuma, futhi usayizi wembobo yokufa yengxenye yodonga oluwugqinsi ukhushulwa kancane ngosayizi, kanye ne-90 degree Angle yembobo yokufa. ivalwe ngaphambili futhi ivulwe ku-91 degrees, futhi ibhande elisebenzayo lokulinganisa libuye lilungiswe ngokufanele.
Isikhathi sokuthumela: Mar-18-2021