Kwiminyaka yakutshanje, kunye notyalo-mali olukhulu kwiziseko ezingundoqo kunye nokuqhubela phambili ngokukhawuleza kwezoshishino e-China, imveliso kunye nokusetyenziswa kweshishini lonke leeprofayili ze-aluminium zikhula ngokukhawuleza, kwaye i-China iye yaba yimveliso yeprofayili enkulu ye-aluminium kunye nemarike yabathengi. .Emva kweminyaka eyi-10 yokukhula ngokukhawuleza, ishishini leprofayili ye-aluminium yaseChina lingene kwinqanaba elitsha lophuhliso, kwaye libonise iindlela ezininzi zophuhliso ezintsha.
Ngaphezu koko, ngophuhliso olukhawulezayo lolwakhiwo, ezothutho, iimoto kunye namandla elanga kunye namashishini e-LED, iimfuno zokuchaneka okuphezulu kunye nokusebenza okuphezulu kweemveliso ze-aluminium alloy extrusion ziyanda imihla ngemihla, kwaye icandelo leprofayili imilo inzima kwaye iyahluka, kwaye apho. zininzi iintsilelo ekuyilweni kweefom eziqhelekileyo kunye neziqhelekileyo.Ngoko ke, ukufumana iiprofayili ezisemgangathweni ophezulu, kufuneka sifunde rhoqo kwaye siqokelele kwimveliso kunye nobomi, kwaye siguqule rhoqo kwaye sivelise izinto ezintsha.
Uyilo lokungunda likhonkco elibalulekileyo.Ke ngoko, kuyimfuneko ukuhlalutya uyilo lokubumba lweprofayili ekhutshiweyo ngokucwangcisiweyo kunye nokusombulula iingxaki ngenyathelo ngenyathelo ngokusebenza kwemveliso.
Iingongoma ezi-6 eziphambili zoyilo lokubumba iprofayili ye-aluminium
1. Uhlalutyo lobungakanani beengxenye ezikhutshiweyo ze-aluminium
Ubungakanani kunye nokuphambuka kweendawo ezikhutshiweyo zichongwa ngokufa, izixhobo ze-extrusion kunye nezinye izinto ezichaphazelekayo zenkqubo.Phakathi kwazo, ukuguqulwa kobungakanani bokubumba kunempembelelo enkulu, kwaye izizathu ezichaphazela ukuguqulwa kobukhulu bokubumba zezi: ukuguqulwa kwe-elastic deformation. kokungunda, ukunyuka kweqondo lobushushu lokubumba, imathiriyeli yokubumba kunye nokuchaneka kokwenziwa kwesikhunta kunye nokunxitywa kwesikhunta.
(1) ukukhethwa kwetoni ye-aluminium extruder
Umlinganiselo we-extrusion ubonakaliso lwamanani lobunzima bobunjwa ukuphumeza i-extrusion.Ngokuqhelekileyo, umlinganiselo we-extrusion phakathi kwe-10-150 uyasebenza.Umlinganiselo we-extrusion ungaphantsi kwe-10, iimpawu ze-mechanical zemveliso ziphantsi; Ngokuchasene noko, umlinganiselo we-extrusion uphezulu kakhulu, imveliso ithanda ukuba rhabaxa okanye i-Angle. ukutenxa kunye nezinye iziphene.Iinkangeleko eziqinileyo zidla ngokucetyiswayo umlinganiselo we-extrusion malunga ne-30, iiprofayili ezingenanto malunga ne-45.
(2) Ukumiselwa kwemilinganiselo yangaphandle
Imilinganiselo yangaphandle ye-extrusion die ibhekisela kububanzi kunye nobukhulu be-die.Imilinganiselo ye-mold inqunywe ngubukhulu, ubunzima kunye namandla ecandelo leprofayili.
2. Ubalo olufanelekileyo lwe-extrusion die size
Xa ubala ubungakanani bomngxuma wokufa, uqwalaselo oluphambili ngokugqithiswa kwe-aluminium ingxubevange yokwakheka kweekhemikhali, imilo yemveliso, ubungakanani obuqhelekileyo kunye nonyamezelo, ubushushu bokukhutshwa, kunye nezinto zokungunda kwaye zicudiswe phantsi kwengxubevange yobushushu, i-coefficient yokwandiswa komgca wemveliso esekelwe iimpawu zejometri yecandelo lomnqamlezo, kunye nokutshintsha kwayo ngexesha lokwelula, izinto ezifana nobukhulu boxinzelelo lwe-extrusion kunye ne-elastic deformation of die.
Kwiiprofayili ezinomahluko omkhulu wodonga lwamadonga, iindawo ezinqamlekileyo kunye neendawo ezibukhali ezinzima ukuzenza kufuneka zandiswe ngokufanelekileyo ngobukhulu.
Kwimingxuma yokufa yeeprofayili zodonga olusicaba kunye nolucekethekileyo kunye neeprofayili zodonga ezinobubanzi obukhulu ukuya kumlinganiselo wokutyeba, ubungakanani beetram zinokuyilwa ngokweeprofayili ngokubanzi, kunye nobukhulu bobukhulu bewebhu, ukongeza kwizinto ezidweliswe kwi ifomula, kwakhona kufuneka ingqalelo deformation elastic, deformation yeplastiki, ukugoba jikelele, umgama ukusuka embindini cylinder extrusion kunye nezinye izinto.Ukongezelela, isantya extrusion, isixhobo traction njalo njalo kwakhona ibe nempembelelo ethile kubungakanani umngxuma die. .
3. Ulungelelwaniso olufanelekileyo lwesantya sokuhamba kwesinyithi
Ukulungiswa okubizwa ngokuba yingqiqo kukuqinisekisa ukuba i-particle nganye kwinqanaba lomnqamlezo wemveliso kufuneka liphume kumngxuma wokufa ngesantya esifanayo phantsi kwemeko efanelekileyo.
Kangangoko kunokwenzeka usebenzisa i-porous symmetrical arrangement, ngokwemilo yeprofayile, umahluko wobunzima bodonga lwenxalenye nganye kunye nomahluko wesangqa kunye nomgama ukusuka kumbindi we-cylinder extrusion, uyilo lwebhanti yokulinganisa ubude obahlukeneyo. . Ngokubanzi, ubuninzi bodonga lwecandelo, ubukhulu becala, ubunzima obungakumbi, ukude ukusuka kumbindi we-cylinder extrusion, imfutshane ibhande lokulinganisa apha kufuneka libe.
Xa ibhanti lokulinganisa kusenzima ukulawula izinga lokuhamba, imilo inzima kakhulu, ubukhulu bodonga bubhityile kakhulu, kude nombindi wenxalenye ingasetyenziselwa ukukhuthaza ukuhamba kweAngle okanye ikhowuni yesikhokelo ukukhawulezisa ukuhamba kwesinyithi. Ngokuchasene noko, kwezo ndawo zineendonga ezityebileyo kakhulu okanye zisondele kakhulu kumbindi we-cylinder extrusion, i-Angle yokuthintela kufuneka isetyenziswe ukongeza umqobo wokucotha isantya sokuhamba apha.Ukongezelela, inkqubo yokulinganisa umngxuma, inkqubo isibonelelo, okanye ukusetyenziswa kwegumbi langaphambili bafe, isikhokelo sife, sitshintshe inani, ubungakanani, imilo kunye nesikhundla somngxuma wokuqhekeka ukulungelelanisa isantya sokuhamba kwesinyithi.
4. Qinisekisa ukomelela okwaneleyo kokungunda
Ngenxa yokuba imeko yokusebenza yokufa imbi kakhulu ngexesha le-extrusion, amandla okufa yingxaki ebaluleke kakhulu kwi-design design.Ukongezelela kwilungiselelo elifanelekileyo lendawo yemigodi yokufa, ukukhethwa kwezinto ezifanelekileyo zokufa, ukuyila ukufa okufanelekileyo. isakhiwo kunye nokuma, ukubala ngokuchanekileyo uxinzelelo extrusion kwaye khangela amandla avumelekileyo kwicandelo ngalinye eliyingozi nayo ibaluleke kakhulu.
Okwangoku, kukho iifomyula ezininzi zokubala amandla e-extrusion, kodwa i-formula ye-Beerling elungisiweyo isenayo ixabiso lobunjineli.Indlela yesisombululo esiphezulu somda woxinzelelo lwe-extrusion nayo inexabiso elihle lesicelo, kwaye kulula ukubala uxinzelelo lwe-extrusion ngokusebenzisa indlela ye-empirical coefficient. .
Ngokuphathelele ukukhangela amandla okubumba, kufuneka kuqhutywe ngokohlobo lwemveliso, isakhiwo sokungunda, njl. njl ifanele ihlolwe, yaye ukomelela kolwimi nenaliti nako kufanele kuqwalaselwe.
Enye yeengxaki ezisisiseko ekujongeni amandla kukukhetha i-formula yethiyori yamandla efanelekileyo kunye noxinzelelo oluvumelekileyo oluchaneke ngakumbi. Kwiminyaka yakutshanje, indlela ye-finite element ingasetyenziswa ukuhlalutya amandla kunye nokukhangela amandla obunzima bokufa.
5. Ubukhulu bebhanti yokusebenza
Kunzima kakhulu ukumisela indawo yokusebenza ye-different composite die kuneyo kufa kwesiqingatha, kungekuphela nje umahluko wobunzima bodonga lweprofayile kunye nomgama osuka embindini, kodwa kunye nokukhuselwa komngxuma wokufa ngebhulorho yokuqhekeka. kufuneka kuthathelwe ingqalelo.Kumngxuma wokufa phantsi kwebhuloho ehlukeneyo, ibhande lomsebenzi kufuneka lincitshiswe ngenxa yobunzima bokuhamba kwesinyithi.
Xa kumiselwa ummandla womsebenzi, owokuqala ukufumanisa eyona ngqindilili yodonga olubhityileyo kwiprofayili yebhulorho ye-triage kwintsimbi yokuchasana nokuhamba kweyona ndawo inkulu, umsebenzi omncinci kabini ubukhulu bodonga, ukutyeba kodonga okanye intsimbi kulula ukuyifumana, ukusebenza. ngoqwalaselo olufanelekileyo lokujiya, ngokubanzi ngokomlinganiselo othile wobudlelwane, kunye nokuhamba ngokulula kohlaziyo.
6. Ubume bomngxuma wokufa imela engenanto
I-Die hole hollow cutter sisakhiwo esixhasayo se-cantilever kwi-outlet yebhanti esebenzayo yomngxuma wokufa.Ubukhulu bodonga lweprofayile T ≥2.0mm, ingasetyenziselwa ukucubungula isakhiwo sokusika esilula esingenanto;Xa t<2mm, okanye nge cantilever, ingaba sebenzisa imela engenanto i-oblique.
Mbini.Iingxaki eziqhelekileyo kuyilo lokubumba
1. Indima yegumbi lesibini le-welding
I-Extrusion die idlala indima ebalulekileyo kwi-extrusion yeeprofayili ze-aluminium, ezichaphazela ngokuthe ngqo umgangatho weemveliso ezigqithisiweyo.Nangona kunjalo, kwimveliso yangempela, ukuyila kwe-extrusion kufa kuxhomekeke ngakumbi kumava omyili, kunye nomgangatho wokufa. uyilo kunzima ukuqinisekisa, ngoko ke kuyimfuneko ukuzama kwaye ulungise ukufa amaxesha amaninzi.
Ngokweziphene zoyilo lokufa, isicwangciso soyilo esisiso sokuseta amagumbi amabini e-welding kwifa elisezantsi labekwa phambili, elenza iziphene zokutyiswa okungaphelelanga kwiprosesa yokufa, kuthintelwe iziphene zokuvula, ukuvala kunye nokwahlukana kwemilo ngaphambili kunye emva kokukhululwa kwezinto ezibangelwa ukungondleki ngokwaneleyo, kunye nokuxazulula ngokufanelekileyo ingxaki yokusabalalisa isantya esingalinganiyo kwi-design.Ngoko ke, kwiskimu sokulungelelanisa, ukushisa kunye nokusabalalisa uxinzelelo kwicandelo leprofayili kufana kakhulu, kwaye izinto eziphathekayo ziphuculwe kakhulu.
2. Indima yoluleko lwesibini
Kuyilo lokufa kwe-extrusion, i-diversion yesibini isetyenziselwa iiprofayili eziqinileyo ezinomahluko omkhulu wodonga.Ayilunganga okokuqala.I-Angle incinci, kwaye i-thin-walled part i-ultra-thin kwaye i-ultra-small.Ukulungiswa kwe-Mold ayifanelekanga nokuba inxalenye enodonga oluncinci yandiswa kwaye ibhanti elisebenzayo liyancipha.
Ukuze kulungiswe ingxaki yokusasazwa kwesantya esingalinganiyo kuyilo lokuqala lokubumba, ukuyilwa kweplati yesikhokelo yamkelwa okwesihlandlo sesibini, kwaye isikimu sokuyila esilungileyo sokubeka amanqanaba amabini esikhokelo kwi-mold yafakwa phambili.
Ukuthe ngqo, udonga olucekethekileyo luqondiswe ngokuthe ngqo, inxalenye yodonga olungqindilili isasazwa ngama-degrees angama-30 kububanzi bokuphuma, kwaye ubungakanani bomngxuma wokufa wenxalenye yodonga olungqingqwa lunyuswe kancinci ngobukhulu, kunye ne-Angle engama-90 yomngxuma wokufa. ivaliwe ngaphambili kwaye ivulwe kwii-degrees ezingama-91, kunye nebhanti yokulinganisa ukusebenza nayo iguqulwe ngokufanelekileyo.
Ixesha lokuposa: Mar-18-2021