Kana iwe wanga uchitenderedza castings uye machining sekureba kwatinako kuQingdao Qiangsenyuan, iwe unokudziridza kumwe kunzwa kwezvinhu. Zvinonakidza kuti kakawanda sei upfu metallurgy zvikamu kuuya muhurukuro nevatengi vachitsvaga dzimwe nzira. Pane fungidziro yakajairika yekuti PM ndiyo yemazuva ano, yepamusoro-chaiyo gumbeze mhinduro, inogona kuchipa uye inoshanda zvakanyanya kupfuura nzira dzechinyakare senge musimboti wedu. shell mold casting kana Investment casting. Dzimwe nguva ichokwadi. Asi kazhinji pane kwete, chokwadi chakashata, uye sarudzo haina kujeka-yakatemwa. Izvo zvinoenderana zvachose neiyo application isingagone kutaurirana: inyaya yakaoma yemukati geometries, yekupedzisira kusimba kwesimba pasi pekupisa, kana yakachena pa-chikamu mutengo pahuwandu hwepamusoro? Ndakaona mapurojekiti achichinjira kuPM kwaive kufamba kwakanaka, uye kumwe kwakatungamira kune yakanyarara, inodhura yekudzoreredza maitiro kudzokera kune yakasimba kukanda.
The Material Sarudzo Conundrum
Chingwa chedu chemazuva ese simbi dzakaita sesimbi yakakandwa, simbi dzakasiyana-siyana, uye zvinhu zvakaoma-nickel-based uye cobalt-based alloys. Izvi zvinonyungudutswa ndokudururwa. Upfu metallurgy zvikamu tanga kubva kune imwe nzvimbo: yakanaka simbi poda yakatsikirirwa uye sintered. Iyo yekukurumidza mukana ndeyepedyo-neti chimiro kune mamwe majeometri, kunyanya ayo ane akawanda mazinga kana akareruka axial maficha. Iwe unogona kuderedza machining, inova mari inoponesa. Isu takanga tine mutengi kamwechete aine yakakwira-vhoriyamu lever chikamu, pakutanga yaive yakadhindwa uye yakakwenenzverwa gungano. Vakaongorora PM, uye kune icho chikamu, chaive chakakwana. Density yakanga yakakwana, kushivirira kwakabatwa, uye mutengo pachidimbu wakaderera zvakanyanya. Zvaiva nemusoro.
Asi wobva warova miganhu. Kana iyo nhaurirano yatendeukira kune yakakwirira-kutendeseka zvikamu zvechimiro, kana zvikamu zvakatarisana nekushisa kwakanyanya uye ngura - toti, munzvimbo yeturbine kana kugadzirwa kwakanyanya kwemakemikari-calculus inoshanduka. Sintered zvinhu, kunyangwe neinotevera forging (P/M forging), inogona kunetsekana kuenzanisa iyo homogenous, isina hurema-isina microstructure yekukandwa kwekudyara kwakanyatsogadzirwa, kunyanya muhunyanzvi hwedu alloys. Pane nguva dzose iyo porosity yekufunga nezvayo. Haisi hazvo chikanganiso; ndezvekuzvarwa nazvo. Asi kana chikamu chako chisingakwanisi kuwana chero mukana wekubatanidza porosity pasi pekumanikidzwa, iwe unobva wazembera kumashure kune yakanyungudutswa simbi process.
Ndinoyeuka imwe ongororo yekutadza yatakakumbirwa kubvunza. Sintered Stainless Stainless valve chair yanga isingashande mukuora, yakakwirira-cycle kuneta application. Nyaya yakadzokera kumashure mukuwanda kusingaenderane mune yakatarwa-chikamu, chekare PM dambudziko, rinotungamira kune yakasarudzika nzira yekuora uye kutanga kutsemuka. Mhinduro, mushure menguva refu-uye-mberi, yanga isiri yekukwevera iyo PM maitiro mberi asi kuchinja kune chaiyo-yakakandwa CF8M isina tsvina kuburikidza nekudyara kukanda. Chikamu chinodhura chakakwira, asi mutengo wehupenyu wakaderera. Ndiko rudzi rwechidzidzo chinoshanda chausingakanganwi.
Iko Kukandira uye PM Diverge (uye Dzimwe nguva Sangana)
Izvi hazvisi zvekuzivisa tekinoroji imwe yepamusoro. Zviri maererano nefit. PaQSY, nemakumi emakore edu mukati shell mold casting uye Investment casting, tinoona niche yedu zvakajeka. Kune zvakaomarara, zvitete-madziro geometries mune iwo ekunze alloys, kukanda kunowanzo kusarongeka. Funga nezvechipfuro chine mapanga akamonyoroka, akaita seaerofoil. Kuedza kudzvanya kuti kubva muhupfu kunotyisa; Kukandira inyanzvi inonzwisiswa, kana yakapfava. Iyo yekumusoro kupedzisa kubva kune yakanaka ceramic goko zvakare inowanzo kwirisa kune se-sintered pamusoro, iyo inowanzoda yechipiri mashandiro.
Zvisinei, kudzinga PM hunenge hupenzi. Kune akareruka, symmetric maumbirwo senge magiya, bushings, kana zvimwe zvemotokari zvinongedzo, PM inowanzova shasha yehupfumi. Iko kushandiswa kwezvinhu kunoshamisa-zvishoma pasina kutambisa. Zvatakadzidza ndezvekuti nhanho dzepashure pekuita ndipo panogona kubonderana pasi rose. Ndiko kwedu CNC machining unyanzvi hunouya. Vazhinji upfu metallurgy zvikamu inoda chaiyo machining pane zvakakosha maficha post-sintering. Takagadzira zvisingaverengeki zvikamu zvakasimwa-kuwedzera shinda, honing bores, kugadzira mafurati chaiwo. Iwo machining parameters akasiyana; uri kucheka chinhu chine porous, saka hupenyu hwematurusi uye mareti ekudya zvinoda kugadziriswa. Kunzwa kwakasiyana pauriri hwechitoro.
Kune zvakare nzvimbo yakasanganiswa: Metal Injection Molding (MIM), yakafanana nemuzukuru waPM akanyanya kuoma kunzwisisa. Inobvumira kuoma kukuru kwechimiro pane kudzvanya kwakajairwa. Isu takapa machini anokandwa akazotsiviwa neMIM zvikamu zvechishandiso chekurapa, uko vhoriyamu yakaruramisa mutengo wekushandisa wepamusoro uye kuzvipira kudiki musimba rekupedzisira kwaigamuchirwa. Kiyi yaive yekutaura pachena nezve kutengeserana-offs kubva padanho rekutanga prototype.
Chokwadi cheKushivirira uye Vhoriyamu
Chinhu chikuru chekuvhiringidzika ndeyekushivirira. Mabhurocha ekutengesa anogona kunyora nhamba dzinonakidza dzePM. Asi idzo dzinowanzova dzeimwe, optimized dimension pane inodzorwa yekugadzira inomhanya. Mukugadzirwa kwepasirese kwese mubatch, kusiyanisa kunogona kuve kwakakwira kupfuura mukugadzira kubva kune yakasimba yekukanda isina chinhu. Sei? Dimensional shanduko panguva ye sintering haina kunyatso yunifomu; inokonzerwa nehupfu yakawanda, tembiricha yekushisa kwechoto, uye chikamu chekuisa. Kune chikamu chinoda +/- 0.025mm kushivirira pane yakakosha bhora, kutanga neyakaomeswa padhuze-neti chimiro chinogona kusachengetedza mari kana uchifanira muchina 90% yeiyo nzvimbo zvakadaro kurova iyo spec yakavimbika. Mumamiriro ezvinhu akadaro, dzimwe nguva zvakanyanya kutwasuka kutanga nemachinable casting isina chinhu.
Volume ndiye mumwe mudzvanyiriri. Iyo yakaoma tooling ye-high-pressure PM inodhura. Kumhanya kwe50,000 zvidimbu pagore, zvinoruramiswa zviri nyore. Nezvimedu mazana mashanu? Zvinenge zvisingaite. Maitiro edu ekukanda, kunyanya kuumba goko, anogona kuchinjika zvakanyanya pazasi kusvika pakati mavhoriyamu. Iyo pateni midziyo yakachipa uye iri nyore kugadzirisa. Kuchinjika uku chinhu chatiinacho Qingdao Qiangsenyuan Technology Co., Ltd.(QSY) kukoshesa zvakadzika, sezvo zvichiita kuti tishande nemazvo nemapurojekiti makuru ebhechi uye danho rekusimudzira.
Ndakagara kuburikidza nekugadzirisa dhizaini apo mudiki mainjiniya anoomerera paPM nekuti bhuku rekuverenga rakati inoshanda. Asi kana isu tikapaza mutengo wakazara-kushandisa, sintering, inodiwa yechipiri machining, uye njodzi yezvakaraswa-zvichipesana nemutengo wekukandira nekushoma machining, nhamba dzinowanzo pinduka, kunyanya kune alloy mamakisi atinowanzo kubata. Iyo break-even point yakakwira kupfuura zvinofungwa nevakawanda.
Zvidzidzo kubva kuMuchina Shop
Uchapupu hunogara huri mukugadzira. Iwe unogona kutaura zvakawanda nezve kwakabva chikamu nemabatiro azvinoita pane CNC mill kana lathe. Chikamu chakakandwa, kana maitiro acho akanzwika, michina ine inofanotaura kuenderana. Machipisi anotyoka zvakachena. A upfu metallurgy chikamu ine kucheka kwakasiyana. Iyo yakakanganiswa magadzirirwo emidziyo inogona kuita kuti kucheka kunzwe kushomeka, uye maturusi ekupfeka maitiro akasiyana. Kupinda kunotonhorera mu porosity kunogona zvakare kuve nyaya, dzimwe nguva ichikonzera kusvibiswa kana gare gare seepage. Takadzidza izvi nenzira yakaoma kare kare, tichigadzira bheji remabhengi ebhuronzi. Inotonhorera yakavharirwa mumapores uye yakazobuda kunze, zvichikonzera ngura mugungano. Zvino, kune zvakakosha PM zvikamu, isu tinowanzo tsanangura resin impregnation kana yekuisa chisimbiso kurapwa pamberi pekupedzisira machining, iyo inowedzera nhanho uye mutengo.
Iyi maoko-on mhinduro loop yakakosha. Yedu machining timu inopa yakananga kupinza kune edu ekukanda uye ekunze PM vatinoshanda navo. Ivo vanozoti, Ichi chikamu chemadziro pane chakasimwa chikamu chisina kusimba kusimba rekusunga rinodiwa muchina wakatarisana, kana Iyo as-cast surface pano yakanakira kupedzisa neyakajeka hone. Iri ruzivo runoshanda, rwepasi-pamwero runoumba kurudziro yedu kune vatengi kupfuura chero generic process yekusarudza chati yakambokwanisa.
Kupedzisa Pasina Mhedziso
Saka, izvi zvinotisiya papi upfu metallurgy zvikamu? Iwo chishandiso chine simba mubhokisi rematurusi ekugadzira, asi kwete chipanera chepasirese. Kwatiri, kushanda pamharadzano yekukanda uye kugadzira machining, zvinomiririra nzira inofambirana yatinoremekedza uye tinowanzo batirana nayo. Mhedzisiro yakanakisa yepurojekiti inoitika kana sarudzo pakati pePM nekukanda ikabatwa sesarudzo yakakomba yehunyanzvi uye yehupfumi, kwete mhedziso yakafanorongwa maererano nemaitiro.
Zvinouya pasi pakubvunza mibvunzo chaiyo pamberi: Ndedzipi iwo echokwadi akakosha-ku-mhando hunhu? Chii chinonzi vhoriyamu yegore negore, kusanganisira kutenderera kwoupenyu? Ndeipi mutengo wakazara wevaridzi, kwete chete mutengo wechidimbu? Uye chekupedzisira, une mutengesi anonzwisisa kusimba uye kusasimba kwezvose zviri zviviri pasirese, uye asingarerekera kune imwe chete nekuti ndizvo zvese zvavanoita?
Ndiwo maonero atakavaka pamusoro pemakore makumi matatu. Ingave iri kuendesa yakaoma, yakakwirira-alloy investimendi yekukandira pombi kana kugadzira yakakwira-vhoriyamu sintered giya kusvika pagirazi kupera, musimboti wakafanana: fananidza chokwadi chekugadzira kune chinangwa chechikamu mumunda. Zvimwe zvese ruzha chete.
