Kweli nqaku, siza kujonga uninzi lwetekhnoloji kunye nezinto ezisetyenziselwa ukwenza iinxalenye zemveliso, izibonelelo zazo, izinto ekufuneka ziqwalaselwe, kunye nokunye.
Intshayelelo
Amalungu okuvelisa imveliso - ekwaziwa ngokuba ziindawo zokusetyenziswa kokuphela - ibhekisa kwinkqubo yokusebenzisa imathiriyeli ekrwada ukwenza inxalenye eyilwe kwaye yenziwe ukuba isetyenziswe kwimveliso yokugqibela, ngokuchaseneyo neprototype okanye imodeli.Jonga isikhokelo sethu kuukwenza iiprototypes zokuqalaukufunda ngakumbi ngale nto.
Ukuqinisekisa ukuba amalungu akho asebenza kwindawo yelizwe lokwenyani - njengamacandelo oomatshini, amacandelo ezithuthi, iimveliso zabathengi, okanye nayiphi na enye injongo esebenzayo - ukuvelisa kufuneka kudityaniswe nale nto engqondweni.Ukwenza ngempumelelo nangokufanelekileyo iinxalenye zemveliso, kuya kufuneka uqwalasele imathiriyeli, uyilo, kunye neendlela zokuvelisa ukuqinisekisa ukuba uyahlangabezana neemfuno eziyimfuneko zokusebenza, ukhuseleko, kunye nomgangatho.
Ukukhetha izixhobo zamacandelo emveliso
Izinto eziqhelekileyo zamacandelo ezenzelwe ukuveliswa ziquka iintsimbi ezifana nentsimbi okanye i-aluminium, iiplastiki ezifana ne-ABS, i-polycarbonate, kunye ne-nylon, i-composites ezifana ne-carbon fiber kunye ne-fiberglass kunye neekeramics ezithile.
Izinto ezifanelekileyo kwiingxenye zakho zokugqibela zokusetyenziswa ziya kuxhomekeka kwiimfuno ezithile zesicelo, kunye neendleko kunye nokufumaneka kwayo.Nazi iipropathi ezimbalwa eziqhelekileyo ekufuneka ziqwalaselwe xa ukhetha imathiriyeli oza kwenza ngayo iinxalenye zemveliso:
❖ Amandla.Izinto eziphathekayo kufuneka zomelele ngokwaneleyo ukuze zimelane nemikhosi apho inxalenye iya kubonakaliswa ngexesha lokusetyenziswa.Iintsimbi ziyimizekelo emihle yezinto ezinamandla.
❖ Ukuqina.Izinto eziphathekayo kufuneka zikwazi ukumelana nokuguga kunye nokukrazula ixesha elide ngaphandle kokuthotywa okanye ukuchithwa.Ii-Composites ziyaziwa ngokuhlala kunye namandla.
❖ Ukuba bhetyebhetye.Ngokuxhomekeke ekusetyenzisweni kwenxalenye yokugqibela, isicatshulwa sinokudinga ukuguquguquka ukulungiselela ukunyakaza okanye ukuguqulwa.Iiplastiki ezifana ne-polycarbonate kunye ne-nylon ziyaziwa ngokuguquguquka kwazo.
❖ Ukumelana nobushushu.Ukuba inxalenye iya kubonakaliswa kumaqondo aphezulu aphezulu, umzekelo, izinto eziphathekayo kufuneka zikwazi ukumelana nobushushu ngaphandle kokunyibilika okanye ukuguqulwa.Intsimbi, i-ABS, kunye neeseramikhi yimizekelo yezinto ezibonisa ukumelana nobushushu obulungileyo.
Iindlela zokwenziwa kwezixhobo zemveliso
Iindidi ezine zeendlela zokuvelisa zisetyenziselwa ukwenza iinxalenye zemveliso:
❖ Ukwenziwa kwemveliso
❖ Imveliso eyongezelelweyo
❖ Ukwenza isinyithi
❖ Ukuphosa
Ukwenziwa kwemveliso
Imveliso ethatyathiweyo – ekwabizwa ngokuba yimveliso yemveli – ibandakanya ukususa imathiriyeli kwisiqwenga esikhulu sezinto de kube kuphunyezwe ukumila okufunayo.Imveliso ekhuphayo ihlala ikhawuleza kunemveliso eyongezelelweyo, iyenza ifaneleke ngakumbi kwimveliso yebhetshi ephezulu.Nangona kunjalo, kunokubiza kakhulu, ngakumbi xa kuqwalaselwa iindleko zezixhobo kunye nokuseta, kwaye ngokubanzi kuvelisa inkunkuma eninzi.
Iindidi eziqhelekileyo zokwenziwa kwe-subtractive zibandakanya:
❖ Ulawulo lwamanani ekhompyutha (CNC) ukugaya.Uhlobo lweCNC Machining, Ukugaya i-CNC kubandakanya ukusebenzisa isixhobo sokusika ukususa izinto kwibhloko eqinileyo ukwenza inxalenye egqityiweyo.Iyakwazi ukwenza iindawo ezinamaqondo aphezulu okuchaneka kunye nokuchaneka kwizinto ezifana neentsimbi, iiplastiki kunye neengqungquthela.
❖ Ukujika kwe-CNC.Kwakhona uhlobo lwe-CNC machining, ukujika kwe-CNC kusebenzisa isixhobo sokusika ukususa izinto ezivela kwisigxina esijikelezayo.Ngokuqhelekileyo isetyenziselwa ukwenza izinto ezisilinda, ezinjengeevalve okanye iishafts.
❖ Ukwenziwa kweentsimbi.Kwiukwenziwa kwamaphepha esinyithi, ishidi elicwecwe lesinyithi lisikwa okanye lenziwe ngokweplani, ngokuqhelekileyo ifayile yeDXF okanye iCAD.
Imveliso eyongezelelweyo
Imveliso eyongeziweyo - ekwabizwa ngokuba yi-3D yoshicilelo - ibhekisa kwinkqubo apho izinto zongezwa phezulu ngokwayo ukwenza inxalenye.Iyakwazi ukuvelisa iimilo ezintsonkothileyo ezinokuthi zingenzeki ngeendlela zemveli (ezithathayo) zokuvelisa, ivelise inkunkuma encinci, kwaye inokukhawuleza kwaye ingabizi kakhulu, ngakumbi xa ivelisa iibhetshi ezincinci zamalungu antsonkothileyo.Ukudala iinxalenye ezilula, nangona kunjalo, kunokucotha kunemveliso ethabathayo, kwaye uluhlu lwemathiriyeli ekhoyo luncinci.
Iindidi eziqhelekileyo zokwenziwa kwezongezo ziquka:
❖ I-Stereolithography (SLA).Ikwabizwa ngokuba yi-resin 3D yoshicilelo, i-SLA isebenzisa iilaser ze-UV njengomthombo wokukhanya ukukhetha ukunyanga i-polymer resin kunye nokwenza inxalenye egqityiweyo.
❖ iFused Deposition Modeling (FDM).Ikwabizwa ngokuba yi-fused filament fabrication (FFF),FDMyakha amalungu umaleko ngokomaleko, ngokukhetha ukubeka imathiriyeli enyibilikisiweyo kwindlela esele imisiwe.Isebenzisa iipholima ze-thermoplastic eziza kwimicu ukwenza izinto ezibonakalayo zokugqibela.
❖ I-Selective Laser Sintering (SLS).KwiSLS 3D yoshicilelo, i-laser ikhetha i-siters amaqhekeza epolymer powder, ukuwadibanisa kunye nokwakha inxalenye, i-layer by layer.
❖ Multi Jet Fusion (MJF).Njengeteknoloji yoshicilelo ye-HP ye-3D,MJFinganikezela rhoqo kwaye ngokukhawuleza iinxalenye ezinamandla aphezulu, isisombululo esihle, kunye neempawu zomatshini ezichazwe kakuhle
Ukwenza isinyithi
Ekubunjweni kwesinyithi, isinyithi sibunjwa sibe yifom efunwayo ngokufaka amandla ngokusebenzisa iindlela zoomatshini okanye ezishushu.Inkqubo ingaba shushu okanye ibanda, kuxhomekeke kwintsimbi kunye nesimo esifunwayo.Amalungu enziwe ngesinyithi abonisa ukomelela kunye nokuqina.Kwakhona, kukho inkunkuma yempahla encinci eyenziweyo kunezinye iindlela zokuvelisa.
Iindidi eziqhelekileyo zokubumba isinyithi ziquka:
❖ Ukwenza.Isinyithi sifudunyezwa, emva koko sibunjwe ngokufaka amandla acinezelayo kuyo.
❖ Ukukhupha.Isinyithi sinyanzeliswa ngokufa ukwenza imbonakalo enqwenelekayo okanye iprofayili.
❖ Umzobo.Isinyithi sitsalwa ngedayizi ukwenza imilo enqwenelekayo okanye inkangeleko.
❖ Ukugoba.Isinyithi sigotywa kwimilo efunekayo ngokusebenzisa amandla asetyenziswayo.
Iyaphosa
Ukuphosa yinkqubo yokuvelisa apho imathiriyeli elulwelo, efana nentsimbi, iplastiki, okanye i-ceramic, igalelwa kwisingundo kwaye ivunyelwe ukuba iqine ibe yimo efunekayo.Isetyenziselwa ukwenza iindawo ezinemigangatho ephezulu yokuchaneka kunye nokuphindaphinda.Ukuphosa kwakhona lukhetho olunexabiso eliphantsi kwimveliso yeebhetshi ezinkulu.
Iindidi eziqhelekileyo zokuphosa ziquka:
❖ Ukubumba isitofu.Inkqubo yokuvelisa esetyenziselwa ukuvelisa iinxalenye ngeukutofa otyhidiweyoimpahla - rhoqo iplastiki - ibe ngumbumba.Izinto eziphathekayo zipholile kwaye ziqiniswe, kwaye inxalenye egqityiweyo ikhutshwe kwi-mold.
❖ Ukuphosa ukufa.Kwi-die casting, isinyithi esinyibilikisiweyo sinyanzeliswa kumngxuma wokungunda phantsi koxinzelelo oluphezulu.I-Die casting isetyenziselwa ukuvelisa iimilo ezinzima ngokuchaneka okuphezulu kunye nokuphindaphinda.
Uyilo lokwenziwa kwezinto kunye neenxalenye zemveliso
Uyilo lokwenziwa okanye ukwenziwa (I-DFM) ibhekisa kwindlela yobunjineli yokuyila inxalenye okanye isixhobo esijolise kuyilo lokuqala, esenza ukuba imveliso yokugqibela isebenze ngakumbi kwaye inexabiso eliphantsi ukuvelisa.Uhlalutyo lwe-DFM oluzenzekelayo lweHubs lwenza ukuba iinjineli kunye nabayili benze, baphindaphinde, benze lula, kwaye balungise iindawo phambi kokuba zenziwe, nto leyo eyenza ukuba yonke inkqubo yokuvelisa isebenze ngakumbi.Ngokuyila iinxalenye ekulula ukuvelisa, ixesha lokuvelisa kunye neendleko zinokuncitshiswa, njengoko kunokwenzeka umngcipheko wempazamo kunye neziphene kwiindawo zokugqibela.
Iingcebiso zokusebenzisa uhlalutyo lweDFM ukunciphisa iindleko zokuqhuba kwakho imveliso
❖ Nciphisa amacandelo.Ngokwesiqhelo, amacandelo ambalwa anawo, kokukhona asezantsi ixesha lendibano, umngcipheko okanye impazamo, kunye neendleko zizonke.
❖ Ukufumaneka.Amalungu anokuveliswa ngeendlela ezifumanekayo zokuvelisa kunye nezixhobo - kwaye abonisa uyilo olulula kakhulu - kulula kwaye kutshiphu ukuvelisa.
❖ Izixhobo kunye namacandelo.Amacandelo asebenzisa izixhobo eziqhelekileyo kunye namacandelo anokunceda ukunciphisa iindleko, ukwenza lula ulawulo lwekhonkco lokubonelela, kunye nokuqinisekisa ukuba iindawo ezitshintshileyo zifumaneka lula.
❖ Ukuziqhelanisa nenxalenye.Qwalasela ukuqhelaniswa nenxalenye ngexesha lemveliso.Oku kunokunceda ukunciphisa imfuno yenkxaso okanye ezinye iimpawu ezongezelelweyo ezinokwandisa ixesha lokuvelisa ngokubanzi kunye neendleko.
❖ Ziphephe iindlela ezisezantsi.Ii-Undercuts zizinto ezithintela inxalenye ukuba isuswe ngokulula kwi-mold okanye i-fixture.Ukuphepha ii-undercuts kunokunceda ukunciphisa ixesha lokuvelisa kunye neendleko, kunye nokuphucula umgangatho opheleleyo wecandelo lokugqibela.
Iindleko zamacandelo okuvelisa kwimveliso
Ukwenza ulungelelwaniso phakathi komgangatho kunye neendleko ngundoqo kumacandelo okuvelisa enzelwe imveliso.Nazi izinto ezininzi ezinxulumene neendleko ekufuneka ziqwalaselwe:
❖ Izixhobo.Iindleko zemathiriyeli ekrwada ezisetyenziswa kwinkqubo yokuvelisa ixhomekeke kuhlobo lwemathiriyeli esetyenzisiweyo, ukufumaneka kwayo, kunye nobungakanani obufunekayo.
❖ Ukusebenzisa izixhobo.Kubandakanya iindleko zoomatshini, ukubumba, kunye nezinye izixhobo ezikhethekileyo ezisetyenziswa kwinkqubo yokuvelisa.
❖ Umthamo wemveliso.Ngokubanzi, ubukhulu bomthamo wamalungu ovelisayo, ixabiso eliphantsi ngenxalenye nganye.Oku kuyinyaniso ngokukodwaisitofu sokubumba, ebonelela ngoqoqosho olubalulekileyo lwesikali kwimithamo emikhulu yokuodola.
❖ Amaxesha okukhokela.Iinxalenye eziveliswa ngokukhawuleza kwiiprojekthi ezithatha ixesha zihlala zineendleko eziphezulu kunezo zinexesha elide lokukhokela.
Fumana isicatshulwa ngoko nangokoukuthelekisa amaxabiso kunye namaxesha okukhokela kumacandelo akho emveliso.
Umthombo wenqaku:https://www.hubs.com/knowledge-hub/?topic=CNC+machining
Ixesha lokuposa: Apr-14-2023