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zitsulo jekeseni akamaumba zida

Anthu ambiri akamva 'zida zomangira jakisoni wachitsulo', nthawi yomweyo amajambula zazikulu, zonyezimira kuumba jekeseni wachitsulo makina pawokha-omwe ali ndi mphamvu yochepetsera mphamvu papepala. Ndiko kulakwitsa koyamba. M'malo mwake, makina osindikizirawo ndi chiyambi chabe, ndipo mosakayikira sichinthu chofunikira kwambiri pakupanga kosasintha, kopindulitsa. Masewera enieni amaseweredwa m'magulu othandizira: mizere yotsekera, ng'anjo za sintering, ndi machitidwe owongolera mpweya omwe ambiri ogulitsa amawabisa pazogulitsa zawo. Ngati ng'anjo yanu ili ndi malo otentha a madigiri 20, kapena makina anu osungunulira osungunulira sangathe kugwira gawo la geometry, makina osindikizira amakono ndi okwera mtengo chabe.

The Molding Press Siyo Ngwazi

Tiyeni tiyankhule za makina osindikizira okha. Inde, mukufunikira kulondola, kuwongolera bwino kuwombera, ndi chotchinga champhamvu. Koma kutengeka ndi kuthamanga kwambiri kwa jakisoni? Nthawi zambiri zimaperekedwa kwa MIM. Mukukankhira zodzaza kwambiri, zodyetsa zowoneka bwino, osati pulasitiki. Ndawonapo mashopu akuwononga ndalama pamagetsi oyendetsedwa ndi servo omwe amatha kuthamanga kwambiri, koma amangowayendetsa pamlingo wa 30% kuti apewe zovuta komanso kupatukana. Malo okoma ndi makina omwe ali ndi mbiri yabwino kwambiri komanso kuwongolera kutentha kudutsa mbiya. Vuto lalikulu ndikuchepetsa nthawi yosintha zinthu. Ngati mukuthamanga 17-4PH sabata imodzi ndi 316L yotsatira, mukufunikira makina omwe amatha kutsukidwa bwino komanso moyenera. Kuyipitsidwa kotsalira mu screw kapena cheki valavu kumakuvutitsani mu sintering, kuwoneka ngati kusinthika modabwitsa kapena mawanga ofooka.

Mapeto a clamp amafunikiranso, koma osati pazifukwa zomwe mungaganizire. Ndizochepa kwambiri za matani ochepa komanso zambiri zokhudzana ndi kufanana komanso kusasunthika kwa mapulaneti. Kupatuka pang'ono panthawi ya jekeseni kungayambitse kusiyana kwazing'ono koma kovuta mu kachulukidwe kakang'ono, komwe kumakulitsa kusokoneza kwakukulu panthawi ya sintering. Tinaphunzira izi movutikira kwambiri pa projekiti ya zida zamphamvu kwambiri. Ziwalozo zinakumana ndi miyeso yonse yobiriwira, koma pambuyo pa sintering, mawonekedwe a mano anali osowa. Chifukwa chake? Mkhalidwe wosavuta kuyeza wosagwirizana ndi nkhungu pa jekeseni, womwe umachokera ku taye-bar yomwe yatha pang'ono pa makina osindikizira akale. Kukonza sikunali kugula makina atsopano a matani 500; inali kumanganso gawo lotsekera pa makina osindikizira a matani 250 omwe alipo.

Apa ndipamene mgwirizano ndi maziko omwe amamvetsetsa unyolo wonse ndi wofunika kwambiri. Kampani ngati Malingaliro a kampani Qingdao Qiangsenyuan Technology Co., Ltd., ndi mbiri yawo yozama pakupanga ndalama ndi CNC Machining, amapeza izi mwachidwi. Amawona makina osindikizira osati ngati gawo lodziyimira koma ngati sitepe yoyamba paulendo wapakatikati womwe umatha ndi gawo lopangidwa mwaluso. Zomwe amakumana nazo ndi ma alloys ovuta zimawauza zomwe gawo lobiriwira liyenera kuwoneka kuti liziyenda bwino ndikukhala bwino kudzera mu debinding ndi sintering. Ndi mawonekedwe athunthu ambiri sewero loyera Zida za MIM mavenda akusowa.

The Real Bottleneck: Debinding & Sintering

Apa ndi pomwe mapulojekiti amakhala kapena kufa. Kutsekereza kochititsa chidwi, kusungunula zosungunulira, kuchotsa kutentha—chilichonse chili ndi malo ake, ndipo kusankha molakwika kumawononga ndalama zambiri. Makina osungunulira, mwachitsanzo, ndiabwino pamagawo okhuthala, koma kukonzanso zosungunulira ndikuwongolera kumawonjezera zovuta zogwirira ntchito komanso mtengo womwe sukhala nthawi zonse pakuwerengera kwa ROI. Ndikukumbukira ntchito yomwe tidagwiritsa ntchito zosungunulira pagawo lomwe lili ndi 15mm thick hub. Nthawi yozungulira inali yabwino, koma kugwiritsa ntchito zosungunulira ndi N yofunikira? bulangeti pofuna chitetezo chinapangitsa mtengo wa gawo limodzi kukhala wosakwanira. Tinasinthira kumayendedwe opangira matenthedwe amtundu wina, womwe unkafuna kutsika pang'onopang'ono ndikuyenda bwino kwa gasi, koma tidakhala ndi ndalama zambiri.

Ng'anjo yotentha ndi mtima. Kulamulira mumlengalenga ndi chilichonse. Ma ppm ochepa a oxygen kapena chinyezi pa 1300 ° C amatha kuwononga batch. Kusiyana kwa ng'anjo yabwino ndi yopambana sikungotenthetsa; ndi kapangidwe ka gasi, kukhulupirika kwa muffle, ndi kuyang'anira nthawi yeniyeni. Muyenera kuwona mame, mlingo wa okosijeni, ndi kutentha m'madera angapo, osati pa thermocouple yokha. Poyamba tinali ndi zigawo zazitsulo zosapanga dzimbiri zomwe zinatuluka ndi mpweya wochuluka wa carbon, pamwamba pake. Zolemba za ng'anjo zimasonyeza kutentha ndi mpweya wabwino. Zinatenga masabata kuti apeze nkhaniyi: kang'ono kakang'ono, kosawoneka bwino kamene kali kuseri kwa zinthu zotenthetsera, zomwe zimalola kuti mpweya ulowe pokhapokha panthawi yozizirira. Detayo inkawoneka yoyera, koma zigawozo zidanena nkhani yeniyeni.

Kwa opanga njira zambiri ngati QSY (https://www.tsingtaocnc.com), siteji ya sintering ndiyovuta kwambiri. Ntchito yawo yokhala ndi ma cobalt ndi ma nickel-based superalloys amatanthauza kuti akulimbana ndi mbiri zomwe sizikukhululuka. Zipangizozi ziyenera kupirira kutentha kwambiri ndi chiyero chapadera. Kupatuka kulikonse sikungoyambitsa zidutswa za dimensional; zitha kusintha zitsulo zomwe adalemba ganyu kuti akwaniritse. Zaka makumi ambiri akuponya ndi kupanga makina amatanthawuza kuti amayandikira zowunikira ndi diso la asayansi, osati mndandanda wa oyang'anira opanga.

Tooling & Feedstock: The Unsung Partnership

Simungathe kuyankhula zitsulo jekeseni akamaumba zida popanda kuvomereza zida. Ku nkhungu ndi kumene feedstock imakumana ndi makina. Cholakwika chofala ndikupanga nkhungu za MIM ngati jekeseni wa pulasitiki. Kuchulukirachulukira ndikwambiri komanso kosadziwikiratu, ndipo zipata ndi othamanga amayenera kuyankha chifukwa cha kuwonongeka kwa masheya. Ndawonapo nkhungu zokongola, zolimba zachitsulo zikutha nthawi yake isanakwane chifukwa chipatacho chinali chaching'ono kwambiri, chomwe chimachititsa kuti kumetedwa ndi kumeta kwambiri. Chida chachitsulo chimakhala chofunikira kwambiri. Sizokhudza kuuma kokha; ndi za kukana kuvala ndi matenthedwe matenthedwe.

Ndiye pali feedstock. Ndi mgwirizano pakati pa makina omangira ndi zinthu. Makinawa amayenera kuyang'aniridwa ndi mamasukidwe ake enieni komanso kumeta ubweya wa ma feedstock lot. Kusintha kwa 5% pazomangira zomangira kungafune kubwerezanso kwathunthu kwa magawo a jakisoni. Zipangizo zabwino zimalola kukonza bwino uku—kuthamanga kwa jakisoni kangapo/kupanikizika, kuwongolera koyenera kwa mbiya, ndi kapangidwe ka zomangira komwe kumapereka kusakaniza bwino popanda kuwononga chomangira. Cholinga chake ndi gawo lobiriwira lopanda chilema lokhala ndi kachulukidwe kofanana. Ngati mukulimbana ndi ma sink marks kapena ma voids mu malo obiriwira, mwataya kale nkhondo yokhazikika pambuyo pake.

Kuyanjana uku ndichifukwa chake opanga ophatikizana ali ndi malire. Ku QSY, ukadaulo wawo sunasinthidwe. Gulu lomwe limakonza gawo lomaliza la sintered mwina limapereka ndemanga ku gulu lomwe limapanga chida cha MIM, podziwa komwe kulekerera kofunikira kumachitikira munjira ya CNC. Malingaliro otsekeka awa pakati pa kuumba, sintering, ndi machining ndichinthu chomwe simupeza kwenikweni kuchokera kusitolo yomwe imangochita MIM. Zimatsogolera ku mapangidwe anzeru opangira zida zomwe zimakongoletsedwa ndi makina onse opanga, osati gawo loyamba lokha.

Kuphatikiza ndi Luso Lamdima la Kuwongolera Njira

Kugula zida zamtundu uliwonse sizikutsimikizira njira yabwino kwambiri. Kuphatikizana ndi luso lakuda. Kodi loboti imagwira bwanji gawo lobiriwira la nkhungu? Kodi mpweya umasamalidwa bwanji posamutsa kuchokera ku uvuni woyankhira kupita ku ng'anjo yotentha? Izi ndi zinthu zachilendo, zosasangalatsa zomwe zimachititsa kuti pakhale zokolola. Kugwedezeka pang'ono panthawi yosinthira maloboti kumatha kupanga ming'alu yaying'ono mu gawo lomwe limatuluka mu thermally lomwe limangodziwonetsa ngati kusweka kowopsa pakusweka. Njira zogwirira ntchito ndizofunikira monga makina oyambira.

Mapulogalamu owongolera njira ndi malo ena omwe malonjezo nthawi zambiri amaposa zenizeni. Zabwino ndi ulusi wa digito wopanda msoko kuchokera pagawo la feedstock kupita kugawo lomaliza la sintered. M'malo mwake, masitolo ambiri amalumikiza deta kuchokera pamakina osiyanasiyana okhala ndi ma protocol osiyanasiyana. Chofunikira ndikuzindikira madera ovuta kwambiri - kuthamanga kwambiri kwa jakisoni, mayendedwe ochepetsa thupi, kuchepa kwa sintering - ndikumanga SPC yolimba mozungulira izi. Ndibwino kukhala ndi mfundo zitatu zoyendetsedwa bwino komanso zogwirizana kuposa bolodi yodzaza ndi manambala opanda tanthauzo.

Kuyang'ana kuthekera kwakukulu kwa kampani nthawi zambiri kumawonetsa njira yawo yolumikizirana. Mbiri yakale ya QSY mu nkhungu ya zipolopolo ndi kuponya ndalama zikuwonetsa kuti amamvetsetsa njira zowongoleredwa, zamagawo ambiri komanso kuzama kwa mlengalenga. Kugwiritsa ntchito malingaliro okhwima, okhazikika pazitsulo pakusankha ndi kuphatikiza zida za MIM ndi mwayi waukulu. Ayenera kuyika patsogolo kusasinthika kwa ng'anjo kuposa makina osindikizira okhala ndi zowonera zama digito, chifukwa amadziwa chomwe chimayendetsa zinthu zomaliza.

Kutsiliza: Kuganiza mu Kachitidwe, Osati Makina

Choncho, poyesa zitsulo jekeseni akamaumba zida, kusintha kwa kuganiza kumachokera ku kugula makina kupita kumanga dongosolo. Ndi mndandanda wa njira zodalirana. Mphamvu ya unyolo imatsimikiziridwa ndi ulalo wake wofooka kwambiri, womwe nthawi zambiri umakhala wosindikiza. Nthawi zambiri zimakhala zomangirira kufanana, mlengalenga wa ng'anjo, kapena ma handoffs pakati pa magawo.

Ntchito zopambana zomwe ndaziwona ndizo zomwe zidazo zimasankhidwa ndi anthu omwe amayenera kukhala ndi magawo omwe amapanga mpaka pamzere wa kasitomala. Amayamikira kulimba, kulamulira, ndi kugwiritsira ntchito pamutu wamutu. Amafunsa wogulitsa zida osati nthawi yozungulira, koma za ndandanda yokonza ng'anjo ya ng'anjo, kupezeka kwa zida zosinthira zofunika kwambiri, komanso malingaliro achitetezo pamizere yotsekera.

Pamapeto pake, zida zabwino za MIM zimathandizira kubwereza. Imasintha njira yodziwika bwino chifukwa cha mbiri yake yakuda kukhala njira yodalirika yopangira mafakitale. Ndipo kudalirika kumeneko ndizomwe zimalola kampani kuti isangopanga gawo, koma kuti iwonetsetse kuti ikugwira ntchito m'munda-kaya ndi chida chachitsulo chosapanga dzimbiri kapena turbine ya faifi tambala. Ndilo chizindikiro chenicheni, kupitilira zomwe zili m'kabukuka.

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