Guhitamo Laser Guhitamo (SLS)ni tekinoroji ikomeye yo gucapa 3D igizwe nifu yuburiri bwa powder yo guhuza umuryango ishobora kubyara ibice byuzuye kandi biramba bishobora gukoreshwa muburyo butaziguye gukoreshwa, ibicuruzwa bito bito cyangwa ibice bya prototype.Mugihe cyo gucapa ibikoresho bya SLS, uduce duto twa poro ya plastike dushonga muburyo bwifuzwa butatu ukoresheje laser ifite ingufu nyinshi.Lazeri ihitamo ifuibikoreshomugusikana ibice bitatu-byimibare yubuso bwigitanda cyifu.Nyuma yo gusikana buri gice cyambukiranya, igitanda cyifu cyamanurwa nigice kimwe cyubugari, hiyongereyeho urwego rushya rwibikoresho, kandi inzira yo gutoranya laser yo gusubiramo irasubirwamo kugeza igice cyuzuye.
SLS icapiro rya 3DIrashobora gukoreshwa haba muri prototyping ikora polymer yibigize no kuri bitoumusaruro urakorakubera urwego rwo hejuru rwubwisanzure bwo gushushanya, bisobanutse neza, hamwe no gukora ibice bifite imiterere myiza kandi ihamye.Nkuko ishusho ikurikira ibigaragaza:
1.Icapiro
① Ubwa mbere, silo hamwe nubutaka bwubatswe birashyuha kugirango hafi yubushyuhe bwaibikoresho, kandi hashyizweho urwego rwibikoresho byifu.
Then Lazeri noneho ikoreshwa mugusikana ibice byambukiranya iki cyiciro, kuzamura ubushyuhe bwifu kugeza aho bishonga, hanyuma ugahitamo gucumura ahantu hagomba gucapurwa kugirango ube umurunga.
③ Nyuma yo gucumura, urubuga rwubaka ruramanuka, scraper isizwe hamwe nurundi rwego rwibikoresho byifu, kandi ibikubiye muntambwe ya kabiri birasubirwamo kugeza icyitegererezo cyose gishyizweho.
④ Hanyuma nyuma yo gucapa, urugereko rukora rurakonja (muri rusange munsi ya dogere 40), kandi rushobora gutangira gukuraho ibice kugirango bitunganyirizwe nyuma.
2. Ibiranga
Inyungu nyamukuru ya SLSni uko bidasaba imiterere yinkunga.Ifu idacapuwe itanga inkunga yose ikenewe kubice.Kubwibyo, SLS irashobora gukoreshwa mugukora imiterere ya geometrike yubusa, mugihe cyose iri mubipimo byerekana uburyo bwo gucapa, abashushanya bashobora gukoresha impano zabo uko babyifuza, nta mpungenge zo gukora.
Iyo icapiro hamwe na SLS, cyane cyane kubicuruzwa bito bito, ni ngombwa gukora byinshi mububiko bwubaka no kongera ikirenge cyanditse (ingano yubunini bwibicuruzwa byacapwe mumashini yose yandika).Nyuma yo kumenya uburebure ntarengwa bwo gucapa bushingiye kumiterere y'ibicuruzwa byacapwe, bizatwara igihe kingana gutya cyo gucapa, utitaye ku mubare w’ibicuruzwa byacapwe mu kugenzura icapiro.Ibi ni ukubera ko umuvuduko wo gukwirakwiza kuri buri cyiciro ugena igihe cyo gucapa cyose (scaneri ya laser ibaho byihuse), kandi imashini igomba kuzenguruka binyuze mumubare umwe.
Kubwibyo, ku ruganda rutangaSLSgutunganya serivisi zo gucapa 3D, irashobora gukoresha umubare munini wibyateganijwe, kandi igahuza guhuza ibicuruzwa byateganijwe bishoboka mububiko bumwe bwo gucapa kugirango bikorwe, bizagabanya cyane ibiciro byo gucapa no kongera umuvuduko wo gucapa.(Kugabanya igihe cyo gutegereza ibicuruzwa no gutanga amabwiriza, hanyuma utangire umusaruro byihuse).
3. Ibitekerezo byoroshye
Kubera ko SLS idasaba ibikoresho, ibice bifite ibice byuzuye bishobora gucapwa byoroshye kandi neza.
Igice cyuzuye kigabanya uburemere nigiciro cyigice kuko ibikoresho bike bikoreshwa, bifite akamaro cyane cyane mu kirere.Kubwibyo, mugihe cyo gushushanya igice, cyangwa mugihe cyo gutunganya amakuru mbere yo gucapa, birakenewe ko dusuzuma imyobo yo guhunga ifu kugirango ukureho ifu idacapuwe imbere yikigize (igira uruhare runini mugucumura) ).Birasabwa kongeramo byibuze 2 mm 5 byibura diametre ihunga umwobo mubishushanyo byawe.
Niba bikenewe gukomera, igice kigomba gucapurwa rwose.Ubundi buryo ni ugukora igishushanyo mbonera, usibye umwobo.Ubu buryo, ifu ipakiye cyane izafatwa mugice, yongere ubwinshi bwayo kandi itange inkunga yinyongera irwanya imizigo idakoresheje igihe cyo kubaka.Imiterere yubuki bwimbere imbere irashobora kongerwaho imbere imbere kugirango hongerwe ubukana bwibigize.
4.Ibyiza n'imbibi
a) Ibyiza byingenzi
b) Ibice bya SLS bifite imashini nziza ya isotropique, ikora neza kubice bikora na prototypes.
c) SLS ntabwo isaba inkunga iyo ariyo yose kandi irashobora kubyara byoroshye ibishushanyo hamwe na geometrike igoye.
d) Ubushobozi bwo gukora bwaSLSnibyiza kubikorwa bito n'ibiciriritse bitanga umusaruro.
Dis Ingaruka mbi:
a) Ubuso bwubuso bwimbere hamwe nimbere yimbere yibice bya SLS birashobora gusaba nyuma yo gutunganywa niba hakenewe ubuso bworoshye cyangwa gukomera kwamazi.
b) Ubuso bwubuso hamwe nubwiza bwimbere bwibice bya SLS birashobora gusaba nyuma yo gutunganywa niba hakenewe ubuso bworoshye cyangwa gukomera kwamazi.
4.Gusoza ijambo
JS Additive's SLS / MJF serivisi yikoranabuhanga yo gucapa ishingiye kubikoresho bya nylon HP bikoreshwa cyane ku isoko -Umweru / Icyatsi / Umukara PA12 na MJF PA12 na PA12GB, kandi bizwi nabakiriya mubihugu bitandukanye mumahanga kubwiza buhanitse.
Umusanzu:Nina