Unonzwa 'wakisi yakarasika ichikanda simbi isina tsvina' uye vanhu vazhinji vanotora mifananidzo iyi isina gwapa, ingangoita yemashiripiti apo unowana chikamu chisina tsvina chakakwana kubva muforoma. Icho chokwadi, kunyanya nemagiredhi senge 304 kana 316, zvakawanda zvakawanda pamusoro pekugadzirisa zvinotarisirwa uye kuziva painorwa newe. Hazvisi zvekungonyungudusa simbi nekuidira; inhaurirano nemaitiro echinhu, kubva padanho repatani yewakisi kusvika kusvika pakugaya kwekupedzisira. Kupenya kunouya gare gare, mushure mekuwanda kwekugadzirisa matambudziko.
Iyo Alloy Haisi Ingori Yakatsanangurwa Sheet
Kutora giredhi isina tsvina ndiyo yekutanga chaiyo sarudzo poindi, uye haisi nguva dzose yakatwasuka. 316 ndiyo yekuenda kune corrosion resistance, chokwadi, asi hunhu hwayo hwekukanda hwakasiyana ne304. Inonyanya kuita kupisa kubvaruka kana geting yako nekutonhodza zvisina kufona mukati. Ndakaona mapurojekiti pavakatsanangura 316L yezvikonzero zvese zvekemikari, asi chimiro chaive neshanduko dzakakora-kusvika-mutete idzi dzanga dzichingopemha. Dzimwe nguva, iwe unofanirwa kusunda kumashure uye kupa zano rekugadzirisa kune dhizaini kana kukurukura kana CF8M (iyo yakakandwa yakaenzana ne316) ine yakagadziridzwa zvishoma kuumbwa kwekukandwa kuri nani inogona kuwana imwechete yekupedzisira chinangwa. Iri irwo ruzivo rwealloy runoparadzanisa basa rinokandira kubva pamurwi wezvimedu.
Zvadaro pane nyaya yekupedzisa kwepamusoro zvakananga kubva kune ceramic shell. Vanhu vanotarisira kuti chitarisiko chekare chisina tsvina pakarepo mushure mekugogodza. Izvo zvaunowana chaizvo matte zvishoma, kazhinji yakasimudzwa nzvimbo inoda basa. The kurasika kukanda wakisi process inherently inosiya iyi as-cast ganda. Kuti yakanaka sei inoenderana zvakanyanya neiyo ceramic slurry mhando uye de-waxing nzira. Flash dewaxing mu autoclave yakajairika, asi kana ma paramita akadzimwa, unogona kuwana mabhomba akatsemuka anoita kuti simbi ipinde, ichigadzira idzo dzakakasharara, dzakasanganiswa nzvimbo dzinotyisa kuti udzime gare gare.
Kutaura nezve machining, ndipo apo kugona kwemudiwa yakazara-sevhisi kunova kwakakomba. Kambani yakadai Qingdao Qiangsenyuan Technology (QSY) inosimbisa izvi zvakanaka. Havasi kungoita chete Investment casting; vane makumi emakore muCNC machining futi. Izvi zvakakura. Nekuti kana uchinge uchibata nesimbi isina tsvina castings, kunyanya kune chaiyo zvikamu, unenge uchigara uchingoda post-casting CNC basa. Kuve nazvo zvese pasi pedenga remba kunoreva kuti vanonzwisisa zvinonetsa zvekukanda, zvinogona kuoma nzvimbo kubva mukutonhora, uye vanogona kuronga machining kutevedzana nenzira kwayo. Inodzivirira mutambo wemhosva pakati peakaparadzana ekukanda uye machining zvitoro.
Iko Kunoruma Kumashure: Gating uye Shrinkage
Dhizaini yekuisa tsvina muwakisi yakarasika inyanzvi kupfuura sainzi. Iwe uri kurwisa shrinkage, iyo yakakosha nekusina tsvina. Masuwo haangori mikoto yesimbi; idzo dziva dzesimbi yakanyungudutswa inodyisa kukanda sezvainoomesa, kudzivirira kupera kweporosity. Kana iwo ari madiki kana akaiswa zvisirizvo, iwe unowana porosity muzvikamu zvakakora. Yakakura kwazvo, uye iwe unogadzira makuru ekupisa anonyura ayo anokanganisa chikamu kana kugadzira shrinkage cavities mugedhi pacharo, iyo inogona kufamba mukukanda.
Ndinoyeuka batch yemitumbi yevharuvhu makore mashoma kumashure. Iyo geometry yakanga yakaoma, ine flange inorema kune imwe mugumo. Muti wekutanga wepateni watakavaka waive nestandard top geting. Zvakaguma nei? Shrinkage porosity mukati meiyo flange inokwira kumeso. Taifanira kudzoka, togadzira patsva muti wacho kuti ushandise magedhi anorema, akaiswa zvine unyanzvi aishanda semafidhi, uye kuchinjira kugadziriro yepazasi-gedhi kuti uwedzere kudzikama. Yakawedzera mutengo kune patani, asi yaive nzira chete yekuwana ruzha rwekuridza. Urwu ndirwo rudzi rwekudzokorora, ruzivo-inotungamirwa tweak yausingazowane mubhuku.
Imwe hunyengeri ndeye ceramic shell pachayo. Kune isina tsvina, iwe kazhinji unoda prime slurry ine yakatsetseka zircon hupfu kuti uwane yakatsetseka pamusoro pekupedzisira iyo inoderedza kuchenesa. Asi mabhachi ekuchengetedza anoda simba nekuti stainless inorema uye inodururwa pakupisa kwakanyanya. Iko kuvhunduka kwekupisa kana iyo 1500 ° C+ simbi inorova goko ine hutsinye. Deko rakanyanya kutetepa kana kuti risina kutsva rinotsemuka. Deko rakanyanya kukora rinogona kusabuda zvakanaka, zvichiita kuti gasi ripinde. Yakaenzana, uye dzimwe nguva unongowana resipi yakakodzera yechimwe chikamu chimiro kuburikidza nekudurura bvunzo kana maviri.
Post-Casting: Matanho Ekugadzira-kana-Kuputsa
Knockout uye cut-off ndiko kwaunobata mweya wako. Iwe unoona iyo yakasvibirira kukanda, ichiri yakanamatira kune yayo gedhi system. Netsvina, haugone kungoirova nesando; unogona kuputika nechando. Nzira dzekupisa senge plasma kana abrasive yekucheka ndeyeyero, asi iwe unofanirwa kungwarira kuti usaendesa kupisa kwakawandisa mumuviri wekukanda, izvo zvinogona kukanganisa simbi munzvimbo inobatwa nekupisa, kunyanya kana iri giredhi yakagadzikana.
Kurapa kwekupisa kazhinji hakusi kwekusarudza. Kune akawanda austenitic stainless castings, iwe unoda mushonga wekugadzirisa annealing-kupisa kusvika kutenderedza °C uye nekudzima nekukurumidza. Izvi zvinonyungudutsa chero chromium carbides inogona kunge yakanaya pamiganhu yezviyo panguva yekutonhodza, iyo kana ikasagadziriswa, inokonzeresa uye inotungamira mukutadza kukora. Asi kukurumidza kudzima pane yakaoma, yakatetepa-yamadziro kukanda? Ndiko kukokwa kwekukanganisa. Kugadziriswa panguva yekupisa kupisa kunova kwakakosha sekutenderera kwacho. Chitoro chinonzwisisa izvi, seQSY neyakasanganiswa yavo CNC machining uye nzira yekukanda, inogona kugadzira chikamu uye maitiro ekugadzirisa kana kugadzirisa iyi inotarisirwa kufamba.
Pakupedzisira, kuongorora uye kupedza. Dhayi inopinda muyedzo ishamwari yako yepamoyo yekutsvaga hurema hwepamusoro. Kune isina tsvina, unofanirwa kushandisa chlorine-isina penetrant kuti usaite corrosion. Kukuya nekupukuta kunoda basa guru. Iwe unotanga necoarse grit kuti ubvise gedhi stubs uye kusakwana kwepamusoro, asi iwe unofanirwa kungwarira. Chero kupisa kwekukuya kana simbi yakadzikwa kubva pavhiri rine utachiona inogona kuita ngura pave paya, zvichikanganisa kusaita ngura kwetsvina. Iyo yakanangana-yakatarisana, inononoka maitiro ayo otomatiki achiri kunetsekana nawo pane yakaoma geometries.
Kubatanidza neMachining: Iyo Chaiyo-World Workflow
Apa ndipo pane vimbiso ye yakarasika wakisi inokanda simbi isina tsvina zvinoonekwa zvechokwadi. Iyo yepedyo-net-shape kugona yakanakisa yekudzikisa machining tsvina pane anodhura alloys. Asi pedyo-net-shape haisi net-shape. Iwe unogara uchisiya stock yekugadzira. Ngani? Ndiko kudanwa kwekutongwa. Kunyanya kushoma, uye kushomeka kudiki kwekukanda kana kutadza kwepamusoro zvinoreva kuti chikamu chakaderedzwa. Zvakawanda, uye uri kutambisa machining nguva uye hupenyu hwezvishandiso pane yakaoma stainless.
Iyo yakanaka foundry ichashanda nemachinist kubva pakutanga. Ivo vachakurukura datum mapoinzi ekugadzira. Kazhinji, iwe unozogadzira mapedhi chaiwo kana maficha pane yekukandira ayo asina-yakakosha asi inopa yakachena, yakavimbika nzvimbo yemuchina weCNC kusungirira nekutarisa kubva. Kubatana uku kwakakosha. Tichitarisa QSY modhi, kwavanobata zvese kukanda uye machining, iyi mhinduro loop ndeyemukati uye ipapo. Chikwata chekugadzira chinoudza timu yekukanda kana vachigara vachiwana nzvimbo yakaoma mune imwe nzvimbo, izvo zvinogona kuratidza nyaya yekutonhora, uye maitiro anogona kugadziriswa kune inotevera kumhanya.
Takamboedza kuburitsa machining edzimwe dzimba dzepombi kune imwe generic machine shop. Kukandwa kwacho kwaive kwakanaka, asi machinist vaiabata semabheti. Vakatora zvidimbu zvakadzika, zvehasha, vakafuridzira maturusi panzvimbo dzakaoma dzisingatarisirwi (kutonhora kudiki kubva muforoma), uye ndokupomera kukanda kwedu kusaenderana. Paunoshanda nemupi wepamhepo akabatanidzwa, dambudziko iroro rinonyangarika. Ivo vanoverenga mushumo wekukanda, ivo vanoziva mamiriro ezvinyorwa, uye vanoronga nzira dzeCNC dzekushanda nayo, kwete kupokana nazvo.
Mhedziso Pfungwa: Inzira, Kwete Bhatani
Pakupera kwezuva, kubudirira kurasika kukanda wakisi muStainless simbi ndeyekuremekedza cheni yese. Harisi basa rekutengesa. Sarudzo yealloy, patani uye gating dhizaini, chivakwa cheganda, kudurura, kupisa kupisa, uye yekupedzisira machining ese akabatana matanho apo zvinhu zvinogona kuipa. Iko kukosha kunouya kubva pakuva nemupi wekutengesa asingangozvione ivo seyekutanga, asi semugadziri wekugadzirisa mhinduro.
Ndosaka maoparesheni ane nhoroondo refu, senge makore makumi matatu+ ataurwa na Qingdao Qiangsenyuan Technology, inowanzoendesa zvakavimbika. Ivo vanogona kunge vaona akawanda ekutadza modes. Vakakanda zvese kubva kumabhuraketi akareruka kusvika kune akaomarara impellers mune zvese kubva chiyero simbi isina tsvina kune iwo anonyengera nickel-based alloys. Iyo ndangariro yesangano inoshandura zvakananga mune zvishoma zvinoshamisa pauriri hwechitoro.
The takeaway? Usangotenga mutengo pakirogiramu pakukanda. Tarisa mutengo wose wechikamu chakapedzwa, chakagadzirwa, uye chakaongororwa. Uye zvinonyanya kukosha, tsvaga humbowo hwemaoko-on, inoshanda kugadzirisa matambudziko munzira yavo. Bvunza nezve nzira dzavo dzekugezera dzechikamu sechako, mabatiro avanoita kupisa kwekupisa, kana kuti vanogadzira sei machining datums. Mhinduro dzacho dzichakuudza kana uri kubata nenyanzvi yechokwadi kana kuti munhu wepakati.
