Vanhu vazhinji pavanonzwa 'metal casting', vanofananidzira mukomana akapfeka epuroni yedehwe achidira mvura inopenya mujecha. Izvo hazvina kuipa, asi zvakafanana nekutsanangura mota sebhokisi rine mavhiri. Nyaya chaiyo, iyo inochengeta zvitoro sezvedu zvichishanda kwemakumi emakore, inoitika nguva refu isati yadirwa uye nguva refu yatonhora. Zviri mukusarudza kwezvinhu, mold engineering, gating dhizaini, uye zvisingadzivisiki, dzimwe nguva zvinodhura, kugadzirisa matambudziko. Vazhinji vatengi vanouya kwatiri vachifunga kuti ingori yekunyungudika nekuumba simbi. Chokwadi ndechokuti, kukanda kazhinji chinhu chiri nyore; ndizvo zvese zvakaitenderedza zvinotsanangura kubudirira kana murwi wezvimedu zvinodhura.
Mold ndiyo Mharidzo
Ngatikurukurei zviumbwe. Sarudzo pakati shell mold casting uye Investment casting hakusi kungofarira; isarudzo yakakosha inoraira kushivirira, kupera kwepamusoro, uye geometry. Tinomhanya tose panzvimbo yedu. Kuumbwa kweShell, uchishandisa jecha rakavharwa neresin, kunonakidza kune yakakwirira-vhoriyamu inomhanya yezvikamu zvakaita semiviri yevharuvhu kana magiya mabheji. Iwe unowana kupera kwakanaka uye zvine mari. Asi iyo dimensional kugadzikana? Iine miganhu yayo, kunyanya pandima dzemukati dzakaoma. Iwe uri kutarisana nejecha, shure kwezvose, uye inogona kuchinja kana kukanganisa.
Investment casting, iyo yakarasika-wax process, imhuka yakasiyana. Isu tinoishandisa kune zvinhu zvakaoma kunzwisisa- ma impellers, turbine blades, midziyo yekuvhiya. Iyo ceramic shell inobata zvakadzama senge hapana chimwe chinhu. Asi maitiro acho haakanganwiri. Kakanganisika mupatani yewakisi inoteedzera zvakakwana muchikamu chesimbi yekupedzisira. Ndinoyeuka bhechi remabhuraketi esimbi apo takava nekusawirirana kudiki mukugadzira wakisi. Yakanga isingaonekwe neziso pawakisi, asi yakagadzira mwenje webvudzi pane yega yekukanda pamutsetse wekuparadzanisa. Kumhanya kwese kwaida kupedzisa nemaoko, izvo zvakaburitsa mutengo wemhando. Chidzidzo chacho? Mukudyara kwekudyara, chikamu chako chekutanga chakakwana imhando yewakisi, kwete yesimbi.
Apa ndipo panobhadhara chiitiko chekushanda kwenguva refu. KuQingdao Qiangsenyuan Technology Co., Ltd. (QSY), taita izvi kweanopfuura makore makumi matatu, takavaka maraibhurari ezvirongwa zvemajeometri akasiyana. Haasi mashiripiti; ibhuku rezvikanganiso zvakapfuura uye kugadzirisa. Kune itsva impeller dhizaini mu a nickel-based alloy, hatitangire pazero. Isu tinoziva kuti alloy inodzikira sei, kuti ganda receramic rinoita sei pakuvhunduka kwaro, uye nepakati pekuisa mavhavha kudzivirira kubatwa kwegasi. Kufembera kwakadzidza, asi dzidzo yacho yaidhura.
Material Haisi Ingori Chete Chete
Vatengi vanotitumira zvinhu zvakatemwa: ASTM A216 WCB kana 316 Stainless. Ndiwo mutsara wekutanga. Kandira simbi, kabhoni simbi, simbi isina tsvina-vose vanoita zvakasiyana-siyana mukunyunguduka. Fluidity, shrinkage, kupisa kubvarura maitiro. Simbi yakakwira-kabhoni inodurura zvinoyevedza asi ichidzinyana kunge inopenga, ichida makwikwi akaverengerwa kuti adye kusimba. Tora saizi yekusimudza kana kuiswa zvisirizvo, uye unowana shrinkage porosity mukati mekukanda. Inogona kudarika chiono, asi chinokundikana pasi pekumanikidzwa kana kuneta.
Iwo matambudziko chaiwo anouya neakakosha, senge cobalt-based alloys. Nguva zhinji ndezvenzvimbo dzakanyanyisa — kupisa kwakanyanya, ngura, kupfeka. Hwindo ravo rekukanda rakamanikana. Kupisa zvakanyanya, uye unopisa zvinhu zvakakosha kana kukonzera kukura kwezviyo zvakanyanya. Kunyanya kutonhorera, uye simbi haizadzi zvikamu zvitete. Isu takambove neprojekiti yekupfeka-inodzivirira pombi sleeve muCo-Cr alloy. Madiro mashoma ekutanga akakonzera kuvharwa kunotonhora uye mis-runs. Simbi yacho yaingotonhora zvakanyanya. Mushonga wacho wakanga usiri kungosimudza choto. Isu taifanira kugadzirisazve gating system kuti simbi ipinde mugomba nekukasira uye zvakanyanya mhirizhonga, ukuwo tichitanga kupisa mabhomba eceramic kune imwe tembiricha yepamusoro. Zvakatora kudzokorora katatu. Iyo spec sheet haikuudzi izvozvo.
Iyi yehukama hwepedyo ndosaka shopu inopa zvese metal casting uye CNC machining pasi pedenga rimwe pane zvakanakira. Isu tinoziva kuti kukanda kuchaita sei muchina. Iyo cobalt alloy? Zvakaoma nehutsinye kuita muchina mushure mekukanda. Tichiziva izvozvo, tinogona kugadzirisa maitiro ekupisa mushure mekukanda kuti tinyorovedze kuitira machinability, tobva taita kurapa kwekuomesa kwekupedzisira. Kana zvikwata zvekukanda uye zvekugadzira zviri masangano akapatsanurwa, iyo loop yemhinduro inononoka uye inodhura.
Iyo Handoff: Kubva Kukandira kuenda kuCNC
Ichi chinhu chakakosha, chinowanzo furatirwa, interface. Kuumbwa hakusi kupera; iri pedyo-neti-chimiro chisina chinhu. Maitiro ayo anounzwa kune CNC machinist anoita mutsauko wese. Takaona madhirigi kubva kune mamwe madhipatimendi asina anopindirana maficha edatum, kana ane hutsinye hwakavigwa munzvimbo dzisingagone kucheneswa. Zvinotyisa kugadzirisa.
Mukuita kwedu, dhizaini yekukanda inoongororwa ne timu yekugadzira kubva pazuva rekutanga. Tinogona kuwedzera mapedhi madiki ekugadzirisa pane zvisiri-akakosha, kana kuona kuti imwe chiso chakakandwa chakafuratirwa zvakakwana kuti chishande sekutanga datum. Kune imba yakaoma yevharuvhu yatakagadzira gore rapfuura, takakanda mukati madiki matatu, akasimudza mabhosi pachiso cheflange zvakananga kuti CNC vise ibatire pairi. Dzakagadzirwa nemuchina mukuvhiya kwekupedzisira. Iyo yakawedzera diki diki yekuomarara kune mold, asi yakachengetedza maawa ekugadzirisa engineering uye yakavimbiswa kurongeka kwenzvimbo pakati pemaburi echiteshi uye zviso zvechisimbiso.
Iko kubatanidzwa uku uko kambani yakaita seQSY, ine yakasanganiswa kugadzira uye kugadzira kugona, leverages. Unogona kutarisa kuti nzira iyi yakabatanidzwa inoita sei mumapurojekiti chaiwo pane yavo saiti pa tsngtaocnc.com. Chiripo ndechekuti, mafungiro anochinja kubva pakugadzira kukanda kuenda pakugadzira machinable casting inozova chikamu chekupedzisira. Inobvisa mutambo wekupomera pakati peiyo yekutanga uye chitoro chemuchina kana chiyero chadzimwa.
Kukundikana iData Point
Hapana anofarira kutaura nezve zvimedu, asi ndiye mudzidzisi akanakisa. Rekodhi yakakwana mukukanda kazhinji zvinoreva kuti hausi kusunda miganhu. Takava nemugove wedu. Imwe inonamira pandiri yaive giya hombe resimbi risina kuvharwa. Yakapfuura kuongorora kwese kwekutanga asi yakatsemuka zvine njodzi panguva yekushata kwekugadzira. Ongororo yekutadza yakaratidza kuderera kwechimiro chegraphite mukati - mamiriro anonzi inverse chill. Simbi yakanga yatonhora zvakanyanya pakati pechikamu chakakora. Kugadzirisa? Isu takachinja inoculant mhando uye uwandu, uye akaisa kunze kutonhora pachiumbwa kuti chaizvoizvo kukurudzira directional solidification kubva pasi kumusoro, paradoxically anonotsa kutonhora pakati core. Zvakashanda. Ikozvino, kune gobvu-chikamu ductile iron, ndiyo yedu yakajairika protocol.
Kukundikana uku kunovaka ruzivo rwedzinza rwehwambo. Haisi nguva dzose mubhuku rekushandisa. Ndiye mugadziri wemapateni anotarisa dhizaini achiti, Tinoda radius hombe pano, kana kuti ichabvaruka, zvichibva pane chimwe chikamu chakafanana chakatadza makore mashanu apfuura. Izvi zvakaunganidzwa, ruzivo runoshanda ndizvo zvinotengeswa nekambani yemakore makumi matatu seQiangsenyuan Technology, senge simbi pachayo.
Imwe gomba rinowanzoitika kufungidzira dhizaini inoshanda musimbi ichashanda isina tsvina. Zvido zvekudyisa zvakasiyana. Masimbi asina tsvina ane yakaderera thermal conductivity, saka anogara achipisa kwenguva refu mune risers, izvo zvinonzwika zvakanaka, asi zvinoreva zvakare kusimba kwekumberi kunofamba zvakasiyana. Taifanira kudzidza kushandisa zvidiki, asi zvakawanda, zvikwiriso pamabasa asina tsvina kudzivirira kugadzira nzvimbo dziri kure dzinopisa dzinotungamira mukuderera.
The Real Deliverable: Predictability
Pakupera kwezuva, izvo chero zvakakomba mutengi weakakandirwa zvinhu anoda haisi chikamu chete. Zviri kufanotaura. Hunhu hunoenderana, kuendesa kunoenderana, kuita kunoenderana. Ndiko kuera kutsvene. Inowanikwa kwete nechero nzira imwe chete inopenya, asi nekudzora zana diki diki: hunyoro hwejecha, tembiricha yesimbi kana ichidururwa (kwete chete muchoto, asi muladle), pre-kupisa pazviumbwa, iyo post-casting kutonhora mwero.
Kudzora uku kunoita kuti tipe vimbiso dzechokwadi. Patinotora chirongwa che shell mold casting yenhevedzano ye hydraulic manifolds, tinoziva kuti tinogona kubata ndima dzinodzvanyirira kune imwe nhanho yekuvimbika nekuti isu takadzora maitiro kubva mukusanganiswa kwejecha zvichienda mberi. Kuvimbika ikoko ndicho chigadzirwa chechokwadi chechiitiko. Iwe unogona kuona chiyero chebasa iri, kubva pakusarudzwa kwezvinhu kusvika kune chikamu chakapedzwa, chakatsanangurwa munhoroondo yekambani Iyo kambani Qingdao Qiangsenyuan Technology Co., Ltd., iyo inodonongodza tarisiro yavo pane idzi chaiyo yekukanda uye nzira dzekugadzira.
Saka, metal casting? Iketani yechuru chinongedzo. Kudira ndiko kunonyanya kuoneka. Kusimba kwecheni kunobva mukunzwisisa uye kudzora zvimwe zvese — sayenzi yezvinhu, mold engineering, thermal dynamics, uye shanduko isina musono kusvika mukupedzisa. Ndiko kunogara chikepe, kure nekupenya kunoshamisa kwesimbi yakanyungudutswa.
