Paunonzwa 'alloy simbi yekudyara kukanda', iyo pfungwa yekukurumidza inowanzosvetukira kumagiredhi enyama - 4140, 4340, 8620 - uye chivimbiso cheiyo yakaoma geometries. Ndiyo hurukuro yebhurocha. Iyo chaiyo nyaya, iyo inosarudza kana chikamu chinorarama kana kufa musevhisi, inotanga mushure mekunge wamaka bhokisi pane chemistry. Zviri nezve 'sei', kwete chete 'chii'. Ndakaona akawanda madhizaini anotsanangura yakakwira-inoshanda alloy chete kutadza nekuti manzwisisiro ekuita akange asipo. Kukwezva kwakajeka: pedyo-net-shape zvikamu, yakanakisa kupedzisa kwepamusoro, rusununguko rwekugadzira. Asi mukaha uripo pakati pekukwezva uye chinhu chinoshanda chakagara mugungano ndipo panoitika basa chairo.
Iyo Core Dance: Alloy Behavior uye Gadzira Windows
Ngatitaure pamusoro pekunyunguduka. Nesimbi alloy, hausi kungodira mvura simbi; uri kutonga cocktail yezvinhu izvo imwe neimwe inoda kuzvibata zvakasiyana panguva yekusimba. Chromium, molybdenum, nickel - ivo varipo kune simba uye kuomarara, asi ivo zvakare vanochinja maitiro ekusimbisa. Gomba rinowanzoitika kurapa kudira senge simbi yakajairwa kabhoni. Hazvisizvo. Iyo viscosity inoshanduka, iyo fluidity inoshanduka. Kana gating yako nekusimuka system yakagadzirirwa generic 'simbi', uri kukoka shrinkage porosity munzvimbo dzakashata, kazhinji dzakavanzwa mukati. Ini ndinoyeuka batch yemaoko erever ye hydraulic system, muna 8630, yakapfuura ongororo yekutanga asi yakakundikana mukuyedzwa kuneta. Nzvimbo yakatyoka yairatidza chinyakare shrinkage cavity chaipo pa high-stress fillet. Muenzaniso wacho wakanga wakakwana, gungano rewakisi rakanga rakanaka. Nyaya yacho? Tembiricha yekudurura yaive yakakwira zvakanyanya kune iyo chaiyo alloy's thermal maitiro, ichisimudzira imwe shrinkage modhi. Takaridza nhare zvakare, kwete nenhamba yebhuku rekushandisa, asi nemanzwiro uye nemiedzo inotevedzana, uye dambudziko rakanyangarika.
Apa ndipo apo goko rinova rakakosha. Haisi kungoita chiumbwa. Kune masimbi alloy, ayo anowanzo kuve nepamusoro tembiricha yekudurura, iyo goko yekupisa kwekuvhunduka uye kupenya haigone kutaurirana. Goko risina kusimba rinotsemuka kana kukanganisa; imwe ine yakaderera permeability inoteya magasi, inotungamira kugomba repamusoro kana kuputika. Isu takamira pane yakawanda-layer fused silica system ine chaiyo binder ratios yebasa redu repamusoro-alloy. Iro resipi rakazvarwa kubva kumakore ekutsemura mabhomba (chaizvoizvo) uye kuongorora kukundikana. Iwe unodzidza kuti dewaxing autoclave cycle ine basa senge slurry viscosity - yakasara madota kubva kune isina kupiswa-kunze pateni inogona kukonzera kuremara kwepamusoro pane imwe nzira inonzwika kukanda.
Kurapa kwekupisa ndiko uko kugona kwealloy kunovhurwa kana kuparadzwa. Unogona kukanda geometry yakakwana muna 4140, asi kana kupisa kwakashata, unogona kunge wakashandisa zvinhu zvakachipa. Dambudziko neinvestment castings ndiyo inowanzo-inoshanduka chikamu ukobvu. Chikamu chakaonda chinotonhora uye chinoshandura zvakasiyana kubva kune gobvu hub panguva yekudzima. Takafamba takananga kunodzima gasi rinodzimisa muvira revacuum kuti titonhodze yunifomu pazvikamu zvakakosha. Asi kunyange zvakadaro, hazvina kuiswa-uye-kukanganwa. Iwe unofanirwa kuziva kwekuisa thermocouples, maitiro ekugadzirisa zvikamu kuti uderedze kukanganisa. Ndiyo nhaurirano inodzokororwa pakati pemuvambi nemudziyo wekupisa. Ndakaita nharo nevatengi vanoda kukosha kumwe kwekuomarara pane chikamu chine 4: 1 chikamu mutsauko - hazvingogoneke mumuviri pasina kukanganisa kumwe kunhu. Chinokosha kutonga zvinotarisirwa uye kutarisa kune kuoma uye microstructure munzvimbo dzakakosha dzinoshanda.
Precision Machining: Iyo Inodiwa Partner
Hapana mari yekukanda ndeyechokwadi 'net-shape' kune yakakwirira-kushivirira alloy simbi chikamu. Kunogara kune nzvimbo yekubatanidza, bhora, kana shinda dzinoda machining. Apa ndipo panowanikwa synergy - kana kudimbura - pakati pekukanda uye machining inotsanangura mutengo wekupedzisira. Isu tinoita zvedu CNC machining mukati-mumba, uye iyo yakatwasuka yekubatanidza inoshandura mutambo. Sei? Nekuti machinist anosangana nepakaoma kana porosity isingatarisirwe mubore rakakosha anogona kufamba akananga kune yakavakirwa pasi uye kukurukura nezvekudira danda naforomani anonyungudika.
Tora pombi yepombi yatakagadzira kubva kuCF8M isina tsvina (yakafanana matambudziko kune akawanda alloy simbi zvine chekuita nemachinability). Iyo as-cast flange face yaive yakanaka, asi chiboro cheshaft chisimbiso chaida kupera kwegirazi uye kushivirira kwakasimba. Kuchekwa kwekutanga kwakaratidza mashoma akapararira, madiki akabatanidzwa. Hazvina kukwana kudonha, asi zvakakwana kunetseka mutengi. Nekuti isu takadzora maitiro ese ari maviri, tinogona kuitsvaga ichidzokera kune chaiyo ladle lining mamiriro pakupisa ikoko. Takagadzirisa maitiro, uye batch rinotevera rakagadzirwa sebhota. Kana iyo machining yakaitwa kunze, iyo loop yemhinduro ingadai yakave mavhiki akareba, paine mhosva-kuchinja pakati. Kune makambani akadai Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), iyi nzira yakabatanidzwa, inotora makore anopfuura makumi matatu, ndiyo inogadzirisa matambudziko. Iwe unogona kuona huzivi hwavo pane yavo saiti pa https://www.tsingtaocnc.com – vanonyora shell mold casting, Investment casting,uye CNC machining semasevhisi epakati nechikonzero. Kuziva kuti chikamu chacho hachina kupera kusvikira chagadzirwa.
Fixture dhizaini yemachining castings ndiyo yayo yakasviba art. Iwe hausi kusungirira pabillet; urikurovera pane dzimwe nguva-zvisina kujairika kukanda. Kuwana kunze kwenzvimbo dzakakandwa kunoda kunyatsoronga kudzivirira kuwedzera kushivirira kwekukanda. Isu tinowanzo gadzira zvigadziriso zvinonongedza chaiwo madhamu akaiswa panguva yekukanda maitiro pachayo - dzimwe nguva kunyangwe achibatanidza akakanda-munzvimbo mapadhi anozogadziriswa mukushanda kwekupedzisira. Iyo inowedzera nhanho, asi inovimbisa kurongeka kwenzvimbo pakati pezvimiro zvakakandwa uye izvo zvinogadzirwa.
Material Nuances: Kana Simbi Isina Kukwana
Izwi rekuti 'alloy steel' ibucket rakakura. Sarudzo pakati peyakaderera-alloy se4110 uye chishandiso simbi senge H13 yakakosha, kwete kuwedzera. Zvekupfeka-pamusoro-soro senge valve trim kana kupfeka maplate, taenda kune akagadziridzwa mamakisi ane vanadium yakawedzerwa yekugadzira carbide. Maitiro ekukanda aya ane hutsinye - yakakwira superheat, ane hukasha mashefu masisitimu, uye inodzorwa kutonhora kudzivirira kutsemuka. Iine njodzi, yakakwirira-mubairo. Takarasikirwa nemuti wese weH13 zvishandiso zvekushandisa kamwe nekuda kwemusanganiswa wekudira zvishoma-kutonhora zvakanyanya uye goko raive rakanyanya gobvu. Kushushikana kwekupisa kwaive kwakakwana kukonzera misodzi inopisa muchikamu chimwe nechimwe. Chidzidzo chinodhura mukuremekedza maitiro ehwindo miganhu yemhuri yega yega alloy.
Ipapo kune nyika yeakakosha alloys anotaurwa nemashandiro akaita seQSY - iyo nickel-based uye cobalt-yakavakirwa iwo. Kunyange zvisiri chaizvo 'simbi', dzinowanzowira pasi peamburera yekukanda alloy kune vakawanda vatengi. Nheyo dzakafanana asi dzakawedzerwa. Reactive elements, tighter thermal controls, uye kazhinji yakazara HIP (Hot Isostatic Pressing) inoda post-casting. Kushanda nezvinhu izvi kunokudzidzisa kuzvininipisa. Muganho wako wekukanganisa unodzikira kuita chero chinhu. Kubudirira pano, zvisinei, senge yakavimbika yakakandwa Inconel 718 turbine blade, ndiyo inovaka mukurumbira wemuvambi wezvakakomba. alloy simbi yekukandira mari shanda.
Material certification imwe layer. Kune giredhi giredhi alloys, chitupa chenyunguduka chinogona kukwana. Kune aerospace kana yekudzivirira basa, uri kutarisa kuzere kuteedzera: kupisa nhamba, bar stock sosi, chemistry kubva kune yakasimbiswa lab, mechanical test makuponi anokandwa kubva pakupisa kumwe chete uye akagadziriswa padivi pezvikamu. Nzira yepepa yakakosha sekukanda kwayo pachayo. Iyo sisitimu inovimbisa kuvimbika asi inowedzera yakakosha pamusoro. Iwe haugone kungo "zvambura" batch ye4340 yakasimbiswa; chiitiko chakanyorwa, chinodzorwa kubva kune yakabikwa kusvika pakuongororwa kwekupedzisira.
Iyo Dhizaini Feedback Loop
Iyi ingangove iyo inonyanya kukosha sevhisi iyo yakanaka foundry inopa: kuraira nezve dhizaini yekugadzira. Mainjiniya vanogadzira basa, izvo ndizvo chaizvo. Asi dzimwe nguva radius inotsanangurwa se 0.5mm nekuti iyo CAD system yakatadza kwairi, kwete nekuti inoshanda yakakosha. Kukandira iyo mualloy simbi iri kubvunza dambudziko - kushushikana mupfungwa, kuomerwa mukuvaka magoko, kunenge kwakavimbiswa kuderera. Tichasundidzira kumashure, tokurudzira imwe inokandwa 2mm radius, uye 99% yenguva, inogamuchirwa. Idzi ndidzo hurukuro-diki dzinogonesa chikamu.
Takambova nedhizaini yebhureketi rine dhizaini yakanaka, yakaoma kunzwisisa kuti ichengetedze uremu. Zvaitaridzika zvakanaka pascreen. Musimbi yealloy, yaityisa. Idzo nhengo dzakatetepa dzakatonhora zvakanyanya, dzichigadzira nzvimbo dzisina brittle, uye goko harigone kubviswa zvakavimbika kubva mumakomba akaomarara. Takashanda nemugadziri, takavaratidza maitiro ekukundikana kubva mumiedzo yedu, uye takabatana takagadzira yakapfava, yakasimba mbabvu chimiro chakasangana nekuoma uye huremu zvinangwa. Rutivi rwokupedzisira rwakanga rwakabudirira, asi rwakaratidzika rwakasiyana nechiono chapakuvamba. Ndiko kubatana. A source like QSY, nenhoroondo yayo refu, inopa pachena kudzika uku kwechiitiko. Hazvisi zvekungogadzira wakisi pateni; ndezvekutungamira iyo yose manufacturable kuzadziswa kwechirevo.
Simulation software chishandiso, kwete muporofita. Isu tinoshandisa solidification modeling mune zvekunamata. Inotiratidza zvinobvira nzvimbo dzinopisa uye dhairekitori pakuiswa kwekusimudza. Asi iyo software's material database ndeye generic. Iyo chaiyo-yepasire maitiro eyako chaiyo 4150 melt, nekwako kudzokorodza kudzorera musanganiswa, mukunyorova kwechirimwa chako, kwakasiyana. Iyo simulation inokupa iwe pekutangira, fungidziro. Iwe wobva wamhanyisa miyedzo yepasirese, chikamu sampuli castings, kuyera dendrite ruoko spacing, uye gadzirisa modhi yako kune chokwadi chako. Inzira inoenderera mberi. Kutenda kusapofumadza mumepu yerudzi rwekutevedzera kwakatungamira zvinopfuura imwe nheyo pasi pegomba retsuro.
Economics uye Real-World Viability
Pakupedzisira, ngativei tisingatauri: alloy simbi yekukandira mari haina kudhura. Mutengo wekushandisa patani dzewakisi wakakwirisa. Maitiro acho ndeekushanda nesimba. Izvo zvinongoita pfungwa yehupfumi kana iwe uchida musanganiswa weiyo yakaoma geometry, yakanaka yekumusoro kupedzisa, uye michina zvimiro zvealloy. The break-even point inopesana nekugadzira kana machining kubva kune yakasimba inowanzotenderedza mavhoriyamu epakati - mazana kusvika kuzviuru zvishoma zvimedu. Kune imwe-kure prototypes, kazhinji inodhura zvakanyanya kunze kwekunge pasina imwe nzira inogona kuita chikamu.
Kukosha kuri mukubatanidzwa. Isu nguva pfupi yadarika takagadzira chikamu chegiya bhokisi icho chaigaro gadzirwa kubva kune zvishanu zvakapatsanurwa zvimedu uye zvidimbu zvemichina, zvakasungwa pamwechete. Tinoikanda seimwe Investment casting muna 8620, ine chete majenari anotakura uye maburi maburi anoda machining. Takabvisa nguva yegungano, nyaya dzekugadzirisa, uye nzira dzinogona kubuda. Mutengo wepamberi wekushandisa wakanyudzwa pamusoro pekumhanya kwekugadzira, uye mutengo wakakwana payuniti wakadonha ne30%. Ndiyo nzvimbo inotapira.
Saka, paunenge uchiongorora sosi, tarisa mhiri kwerunyorwa rwemidziyo. Bvunza nezve maitiro avo alloy-chaiwo. Bvunza mienzaniso yekuti vakagadzirisa sei dambudziko reporosity kana kukanganisa. Bvunza kana vachigadzira zvavanokanda. Mhinduro dzacho dzichakuudza kana uri kuita nechitoro chekutenga zvinhu kana mubatsiri wehunyanzvi. Ndiwo mutsauko pakati pekuwana kukanda uye kuwana chikamu chinoshanda. Ndizvo chaizvo mutambo wacho.
