Iyo abantu benshi batekereje kuri powder metallurgie (PM), bahita basimbuka gukanda no gucumura. Umusaruro wifu wukuri ukunze gufatwa nkintambwe yibicuruzwa, ikintu ugura gusa. Ibyo ni ubugenzuzi buhenze. Ibiranga ifu-morphologie yayo, ingano yubunini bwagabanijwe, itembera, nubucucike bugaragara - ifunze hano. Ntushobora gukanda cyangwa gucumura inzira yawe ivamo ifu mbi. Irasobanura ibintu byose biza nyuma.
Uburyo bwibanze nuburyo bwo guhitamo
Ufite inzira nyamukuru: atomisiyasi yibyuma, kugabanya imiti kubintu nka tungsten, nuburyo bwa mashini nko gusya. Amazi atomisiyoneri ni ifarashi ikoreramo ifu ya ferrous-ihendutse, iguha utwo duce tudasanzwe, okiside nkeya ikora neza. Ariko niba ukeneye ifu ya sherfike kugirango ikoreshwe cyane nko gukora inyongeramusaruro cyangwa gushiramo ibyuma (MIM), atomisiyasi ni umukino wonyine mumujyi. Gazi ya inert, ubusanzwe argon cyangwa azote, isenya umugezi ushonga mubice byegeranye neza. Gusimbuka ibiciro ni ngombwa, ariko rero nibikorwa.
Hano harikintu gifatika twahuye nacyo hamwe nicyuma 316L cyuma cya MIM. Icyifuzo cyahamagaye D90 munsi ya micron 22. Ifu ya gaz atomize yagarutse isa neza neza munsi ya SEM, ahantu heza. Ariko isesengura rya sikeri ryerekanaga umurizo wamavuta wamande - ibice biri munsi ya microni 10. Ibyo ni inzozi mbi zo gutesha agaciro; ihindura capillary itemba, irashobora kugutera kubyimba. Utanga ibicuruzwa yari yahinduye igitutu cya gaze kugirango akubite umusaruro mwinshi, atabishaka atanga amande menshi. Ntabwo byari bisobanutse, ariko byangije hafi umusaruro. Byanyigishije guhora nsaba umurongo wuzuye wa PSD, ntabwo ari D10, D50, D90 gusa.
Aha niho ubufatanye bwigihe kirekire nishingiro ninzobere mubikoresho bifite akamaro. Isosiyete nka Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), hamwe nimyaka yabo muri casting na alloys, ibi birabyumva kurundi ruhande. Ntabwo ari abakora ifu, ariko ubumenyi bwabo bwimbitse bwimyitwarire ya alloy - cyane cyane ayo mayeri ashingiye kuri nikel cyangwa cobalt ishingiye kuri superalloys - iramenyesha ibyo bakeneye kubatanga ifu kugirango bakurikirane inzira nko gushora imari mubice hafi ya net. Ifu yera nubudasiba bigira ingaruka itaziguye kubisubizo byabo.
Kurenga Urupapuro rwamakuru: Gukemura no Guhindura Ibihinduka
Icyemezo cyo gusesengura ni intangiriro, ntabwo inkuru yose. Ubucucike bugaragara nigipimo (bipimwa na Hall flowmeter) nibyingenzi kugirango bipfe kuzuza imashini zikoresha. Ifu irashobora kugira PSD nini ariko itemba nabi kubera uduce duto twa satelite - utwo duce duto twazungurutswe nini nini kuva kugongana muminara ya atome. Bakora nk'inanga nto.
Gukemura nyuma yumusaruro nundi mwobo wirabura. Nabonye ifu nziza yangiritse kubikwa bidakwiye. Imashini itose mu ifu ya ferrous ni classique. Ndetse no mubikoresho bifunze, niba ububiko butagengwa nikirere, ubona okiside yubutaka ibabaza kwikanyiza nimbaraga zanyuma. Kubikoresho bifatika nka titanium cyangwa aluminiyumu, ni urundi rwego rwose rwo kubika - akenshi bisaba gusubirana argon. Igiciro cy'ifu ni ikintu kimwe; ikiguzi cyo kubungabunga leta yacyo kugeza ikubise urupfu nubundi.
Rimwe na rimwe, igisubizo ni uruvange. Twigeze kugira igice gikeneye imbaraga zicyatsi kibisi ariko nanone geometrie igoye. Ifu yinkomoko imwe ntabwo yayikata. Twarangije kuvanga ibice bibiri biva kumurongo umwe ariko hamwe nubunini butandukanye bwo kugabura - kimwe coarser yo gutemba, kimwe cyiza cyo guhambira. Uburyo bwo kuvanga ubwabwo bwabaye ingirakamaro; kuvanga kabiri-guhuza na V-kuvanga byatanze ubutinganyi butandukanye, bigira ingaruka kumurongo-ku-gice. Byari ibintu bitangaje, bitwara igihe utari kuzigera ubona ku gatabo ka PM karabagirana.
Umwihariko wa Alloys Conundrum hamwe na Sourcing Pratique
Aha niho reberi ihurira n'umuhanda. Gukorana nicyuma gisanzwe, umuringa, cyangwa ifu yicyuma birasa neza. Urunigi rwo gutanga rukuze. Ariko mugihe igishushanyo cyawe gisaba ubushyuhe bwo hejuru bwa nikel bushingiye kuri nikel nka Inconel 718, cyangwa cobalt idashobora kwihanganira kwambara nka Stellite 6, ibintu byose birahinduka.
Imyitozo yo gushonga mbere ya atomisation nibyingenzi. Kurikirana ibintu, gaze irimo (ogisijeni, azote), hamwe na homogeneity ya master alloy byose byandikwa kuri poro. Gutandukanya gato muri ingot birashobora kuganisha ahantu hashyushye cyangwa gucumura bidahuye nyuma. Kubuhanga bwo gutunganya nka QSY, nyuma Imashini ya CNC ku bice bya PM byacumuye, gukomera kudahuye cyangwa kuba hari ibyiciro bikomeye, byoroheje biva mubitekerezo byanduye bishobora gusenya ibikoresho. Bakeneye ibikoresho byahanuwe, bihuriweho kumashini kugirango bihangane cyane, ibyo bigatuma umutwaro ugaruka kumusaruro wifu kugirango utange ibitekerezo byuzuye.
Gushakisha ifu ni ikibazo. Ijwi riri hasi, ibihe byo kuyobora birebire. Ukunze gukorana neza nurusyo rutanga ibishishwa bya alloy bar cyangwa hamwe na atomizer kabuhariwe. Ntabwo ari kugura ibintu hanze. Urimo gufatanya gutezimbere ibintu bifatika. Ndibuka umushinga wa kashe yindege aho inyandiko yerekana ifu yari ifite impapuro 12. Icyo gihe yumvaga birenze urugero, ariko byarinze kunanirwa kumurongo.
Kunanirwa n'amasomo basohora
Wiga byinshi mubice byananiranye kuruta kuva ijana. Kera mugihe cyanjye, twagize ibikoresho byo kunaniza umunaniro byatangiye kunanirwa kwipimisha. Ubuso bwavunitse bwerekanaga kunanirwa, guhuza imiterere. Twagenzuye byose: gukanda umuvuduko, ubushyuhe bwikirere nikirere, kuvura ubushyuhe. Byose Kuri Kugaragaza. Amaherezo, twasubiye muri poro ya poro hanyuma dukora dive. Isesengura ry'igifu rya aside ryerekanye hejuru gato gato ya azote isanzwe. Atomizer yari yarakoresheje isoko ya argon ifite umwanda mwinshi wa azote kuri kiriya cyiciro. Iyongerekana rito muri azote hagati yinjizamo imipaka yintete bihagije. Ifu yari muburyo bwa chimique, ariko isesengura rya gaze ryagutse cyane. Twarayikomeje, ikibazo kirashira. Noneho, ndumiwe kubijyanye na gaze ya gaze ya atomisiyasi ubwayo.
Irindi somo ryerekeye kwipimisha. Ifu ikora neza mubice 50 kg byo gukora prototyping irashobora kwitwara ukundi muri toni 2 yumusaruro. Igipimo cyo gukonjesha muminara ya atomisation kirashobora gutandukana, biganisha kumahinduka yoroheje muri microstructure. Ugomba gutsimbarara kuri pilote ikora hafi yumusaruro mbere yo gusinya. Birahenze kandi bitwara igihe, ariko bihendutse kuruta kwibuka rwose.
Aho Ibi Byose Bihuza: Urunigi rwogutanga amasoko
Ibi binzanye kumurongo mugari. Umusaruro w'ifu ntabwo ari intambwe yonyine. Nibihuza byambere mumurongo urimo gushiraho, gucumura, kandi akenshi ibikorwa bya kabiri nka Imashini ya CNC cyangwa kuvura hejuru. Ibisubizo byiza biza iyo hari ibitekerezo kumurongo wose.
Isosiyete ikora byombi byateye imbere (Igikonoshwa, gushora imari) no gutunganya neza, nkibyo wasanga kuri https://www.tsingtaocnc.com, ikubiyemo uku kwishyira hamwe. Babona iherezo-gukoresha imikorere. Niba igice bakora imashini kuva PM yacumuye ifite ibikoresho byubuzima bubi cyangwa gutezimbere ibipimo bitateganijwe, ibyo bitekerezo bigomba gusubira kuri sintereri, hanyuma bikagera no kubakora ifu. Byari gushyiramo okiside muri poro? Agace kavunitse kaguye mugihe cyo gucumura? Uku gufunga-kuzenguruka nibyo gutandukanya ibice byiza nibice byizewe, bikora neza.
Noneho, iyo urebye igice cya PM cyarangiye, ntabwo uba ureba gusa icyuma gikanda kandi cyacumuye. Urimo kureba amateka yo gushonga, physics ya atomisation nozzle, ibikoresho byo gukemura, hamwe nuruhererekane rwubwumvikane. Ifu ni ADN. Kandi nka ADN, inenge ntoya, itagaragara irashobora kumenya amaherezo yumubiri wose. Kubyumva neza ntabwo ari kubijyanye na tekinoroji ya flash nibindi bijyanye no kudahwema kwitondera amakuru arambuye, yize kenshi binyuze muburambe bwatsinze.
