Kana vanhu vakanzwa 'micro metal jekiseni molding', kana kuti MIM pane diki diki, pfungwa yekukurumidza inowanzova yezvikamu zvidiki zvisingagoneke, zvakaoma kunzwisisa. Icho ichokwadi, asi zvakare ndipo panogara pfungwa isiriyo yekutanga. Hakusi kungoita zvinhu zviduku; ndezvekugadzira zvinhu zvidiki zvinonyatsoshanda munyika chaiyo, nguva dzose, uye pasina kutyora bhangi. Mukaha uripo pakati peiyo prototype inotsvedza pamaikorosikopu siraidhi uye kugadzirwa kwe500,000 zvidimbu zvinopona pagungano uye basa ndipo pane nyaya chaiyo. Ndakaona mapurojekiti akawanda achigumburwa nekuibata seyakaderedzwa-pasi shanduro yeMIM yakajairwa. Iyo fizikisi, hunhu hwezvinhu, pfungwa yekushandisa - zvese zvinoshanduka.
The Material Dance at Micro Scale
Kushanda nemafeedstocks emicro MIM mutambo webhora wakasiyana. Uri kubata nehupfu hwakatsetseka, kazhinji pasi pegumi mamicrons, uye binder system inova yakakosha. Hazvisi zvekungobata hupfu pamwe chete; iri pamusoro pekuti inoyerera sei nepamagedhi nevamhanyi vangangove 0.15mm yakafara. Takamboita purojekiti yechikamu chekuvhiya chinoshandisa 316L simbi isina tsvina. Iyo yakajairwa feedstock yaisangozadza iyo yakatetepa-madziro chikamu nekuvimbika. Taifanira kushanda padhuze nemupi wezvinhu kuti tiite rheology-yakawanda ye-wax-polymer binder kugadzirisa-kuti tiwane iyo yakatsiga, laminar kuyerera. Ndirwo rudzi urwu rwemaoko-pazvinhu zvinotamba zvinopatsanura mapurojekiti akabudirira kubva kune akakundikana.
Debinding uye sintering inova yakakwirira-waya zviito. Nezvikamu zvidiki zvakadaro, njodzi yekukanganisa kana kudonha panguva yekudziya kwemhepo yakakura. Iyo tembiricha profiles muchoto inoda kuve yakanyatsojeka. Ini ndinorangarira batch yecobalt-chrome orthodontic mabhureki kwatakaona kudiki ovalization mumakomba anokwira mushure mekunyura. Mupari wemhosva? Huremu hwekupisa husina kuenzana muchikamu chekumisikidza pane sintering tray kugadzira micro-mutsauko mukupisa kwekupisa. Zvakatimanikidza kuti tigadzirise zvakare zvigadziriso zvetireyi, kwete chikamu. Ndiwo aya echipiri maitiro ekuita anoshandisa maawa einjiniya.
Apa ndipo pane ruzivo neakakosha alloys, senge izvo zvaunoona kubva kurefu-nguva processor senge Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), inova yakakosha. Vanga vari mukugadzira uye kugadzira kwemakumi emakore. Irwo ruzivo rwakadzama rwezvinhu-mabatiro anoita nickel-based kana cobalt-based alloys pasi pekupisa uye kushushikana-inodudzira zvinoshamisa kana iwe uchienda kune micro MIM neaya maalloys akafanana. Haisi kuchinjisa kwakananga, asi kuti hunhu hwemetallurgical hunokosha. Iwe unogona kutarisa maitiro avo ekutendeseka kwezvinhu panzvimbo yavo, https://www.tsingtaocnc.com. Kune zvidimbu zvidiki, kutanga nemutengesi anowana hwaro hwezvinhu sainzi ndiyo hafu yehondo.
Kushandisa: Apo Precision Inosangana nePragmatism
Mold ndizvo zvese. Kune zvidimbu zvidiki, iwe unowanzo kushandisa simbi dzakaomeswa kana kunyange tungsten carbide inoisa. Iyo polish, dhizaini yemhepo, nzira dzekutonhodza-zvese zvinoitwa pachikero chinoda EDM uye yekupedzisira-chaiyo milling. Asi heino musoro unoshanda: kuchengetedza. Chidimbu cheguruva, chidiki chidiki checarbonized binder buildup mune micro-cavity, uye goho rako rinodonha. Isu takaita yakakwira-frequency ultrasonic yekuchenesa regimen yezvishandiso pakati pekumhanya, izvo zvinonzwika zviri pachena, asi kuwana iyo chaiyo frequency uye mhinduro inochenesa pasina kushatisa nzvimbo yakakwenenzverwa yaive yekuyedza-uye-kukanganisa maitiro.
Chimwe chidzidzo chakadzidza nenzira yakaoma: usanyanya kuomesa chishandiso nekuda kwayo. Pakutanga, takagadzira mold yakawanda-cavity ine 64 cavities yegiya diki. Pfungwa yacho yaive yekuboost kubuda. Asi kuzadza kuenderana mumakomba ese kwaive kutyisa; misiyano mishoma pakureba kwemumhanyi yakave yakakosha. Isu takadzokera kune 16-cavity dhizaini ine yakaenzana, symmetric mumhanyi system. The throughput per tool yanga yakadzikira, asi goho nechikamu kuwirirana kwakakwira, zvichiita kuti hupfumi hwese huve nani. Dzimwe nguva, mumicro MIM, zvishoma zvakanyanya.
Venting ndehumwe hunyanzvi husina kujeka. Nemweya midiki yakadaro yekubvisa, kusabuda zvakanaka hakuwanzo kukonzera mapfuti mapfupi. Inogona kukonzera kutsva kudiki kwebhainda (kugadzira kuremara kunooneka chete mushure mekunyura) kana kushoma mavanga ekuzeza anokanganisa kupera kwepamusoro. Takatanga kushandisa masimbi anopinza mhepo munzvimbo dzakaoma, iyo yakanga iri shanduko yezvikamu zvine mbabvu dzakatetepa dzakaoma kunzwisisa.
The Bridge to Secondary Operations
Kashoma kuti chikamu chidiki cheMIM chinobuda muchikepe chinopisa chakagadzirira kutakurwa. Kanenge nguva dzose, pane basa rechipiri. Ichi chinhu chakakosha chinowanzo tarisirwa pasi mukuronga kweprojekiti. Kambani yakadai QSY, pamwe nekubatanidzwa kwayo CNC machining kugona, ine mukana wakasiyana pano. Fungidzira chikamu chidiki cheMIM chinoda chibhorani chakakomba chakabatwa kune kushivirira kwe +/- 0.005mm, kana chiso chinoda kupedzisa-kwakanaka kwepamusoro. Iyo sintering process chete haigone izvo.
Isu taiva nechikamu cheiyo miniature sensor uko iyo sintered chikamu chaida flatness spec yaingopfuura kugona kwekuita. Kuedza kuzviwana kuburikidza nekuita sintering chete kwakatungamira kumitengo mikuru yezvikara. Mhinduro yaive yekugadzira iyo MIM chikamu nediki machining mvumo pachiso icho uye wozoshandisa chaiyo micro-milling process post-sintering. Kuve nehunyanzvi hwekugadzira mumba, sezvinoita QSY, inokwenenzvera iyi hurukuro. Iyo MIM nezvikwata zvekugadzira zvinogona kubatana kubva padanho rekugadzira, vachifunga kuti ndezvipi zvimiro zvekugadzira kuburikidza neMIM uye kuti ndezvipi zvekupedzisa kuburikidza nemachining, kugadzirisa mutengo uye nemazvo.
Iyi synergy yakakosha. Inodzivirira kunongedzera-munwe kunogona kuitika kana MIM yaitwa pane imwe chitoro uye nemachini chaiwo pane imwe. Chikamu chako chakatsveyamiswa panguva yekuimba, saka isu hatigone kuchengetedza kushivirira. Kwete, yako machining fixture iri kushandisa zvakanyanya kushushikana. Mutengesi akabatanidzwa anocheka nemuruzha iwoyo. Kune yakakwirira-kukosha, yakakwirira-chaiyo micro components, iyi yekupedzisira-ku-kuguma kutonga haisi yeumbozha; chinhu chinodiwa.
Chaiyo-Nyika Kukundikana uye Pivots
Haisi nyaya dzese dzakabudirira, uye ndidzo dzaunodzidza kubva kune dzakawanda. Isu takambotaura nezve purojekiti yeakaomesesa micro-latch michina mu17-4PH isina tsvina. Chikamu chacho chaiva nemadziro matete akapindirana uye kahinji kadiki, isina kusimba. Taiva nechivimbo. Isu takagamuchira prototype yakatenderwa, asi mukugadzirwa kwemutyairi, iyo hinge nzvimbo yairatidza brittleness inopindirana. Chikonzero chikuru? Tevedzera pikicha yeokisijeni panguva yekunyungudika, iyo yakamisa iyo chaiyo, yakaonda geometry. Iyo yakajairwa sintering mamiriro akange asina kuchena zvakakwana kune ichi chiitiko pachiyero ichocho.
Kugadzirisa kwaidhura: kuenda kuchoto chevacuum ine chidimbu chekumanikidza yehydrogen yakacheneswa zvakanyanya kune iyo chaiyo sintering nhanho. Yakauraya chikamu chepurojekiti, asi yakachengetedza chikamu. Ikozvino, kune chero dhizaini ine Ultra-yakaonda, inotakura zvinhu, isu tinoita ongororo yakasimba yemhepo inoyerera uye kudyidzana kwayo nechaiyo alloy chemistry. Ndiyo yekutarisa yakawedzerwa kune yedu DFM (Design for Manufacturability) chekuongorora nekuda kwekutadza ikoko.
Kumwe kutadza kwaive kushandisa zvisizvo. Mutengi aida micro MIM yepini yakapfava, diki. Yaiva chimiro checylindrical. Isu takazviita, asi mumashure mekufa, zvaive pachena kuti kutendeuka diki kana kugaya chaiko kwaizove kwakanyanya kudhura kune iyo geometry. Simba reMicro MIM rakaomarara, kwete saizi chete. Takadzidza kusundidzira kumashure zvakanyanya, kutungamira vatengi kune chaiyo maitiro, kunyangwe zvaireva kurasikirwa nekotesheni. Inovaka kuvimbika kwenguva refu.
Kutarisa Mberi: Iyo Yekubatanidza Mindset
Zvose izvi zviri kunangepi? Ramangwana, ndinofunga, riri mukudzika kwekubatanidza maitiro uye dhizaini yakangwara. Tiri kuona kufarira kwakawanda mukubatanidza micro MIM nemamwe madiki-ekugadzira matekiniki kana mu-mold musangano. Asi nheyo inoramba iine zvinhu uye inogadzirisa hutongi. Zviri pamusoro pekuva nemufananidzo uzere, kubva pahupfu kusvika pakupera, chikamu chakaunganidzwa.
Ichi ndicho chikonzero iyo modhi yemugadziri akabatanidzwa anomanikidza. Kambani inonzwisisa Investment casting uye shell mold casting kune zvikamu zvakakura, zvakaoma zvinounza kunzwisisa kwakakwana kwekuyerera kwesimbi uye kusimba patafura. Kana ivo vachishandawo mune micro MIM uye nemazvo CNC machining, semashandisirwo akataurwa neQSY, vanogona kurumbidza zvine hungwaru maitiro akanakisa echikamu chakapihwa. Chikamu ichi chinokodzera zvirinani kukanda mari yekudyara kana micro MIM? Kuve nehunyanzvi hwese pasi pemba imwe zvinoreva kuti mhinduro inofambiswa nehunyanzvi hwekuita, kwete nemaitiro amwechete ayo anopihwa nechitoro.
Kune ani nani anonyura mune micro simbi jekiseni kuumba, yangu isina kukumbirwa zano ndeiri: tarisa kupfuura muchina uye mold. Tarisa iyo ecosystem yese-rutsigiro rwesainzi yezvinhu, kugona kwechipiri kugadzirisa, uye zvakanyanya kukosha, nhoroondo yekugadzirisa matambudziko yechikwata chauri kushanda nacho. Iyo tekinoroji inoshamisa, asi ndiyo yakaunganidzwa, yakaoma-yakakunda chiitiko ichitenderedza iyo inoshandura inotonhorera diki-chikamu kuita yakavimbika, yakawanda-yakagadzirwa chikamu. Ndiko kugaya kuseri kwerunako.
