Kana vanhu vachitaura nezvazvo kukanda chaiko, chinhu chekutanga chinowanzouya mupfungwa kushivirira pakudhirowa, pamwe chimwe chinhu chakadai ± 0.5mm. Icho chikamu chazvo, chokwadi, asi kana iwe wakapedza chero nguva chaiyo pane yekutanga pasi, iwe unoziva kuti ingori pamusoro. Kurongeka kwechokwadi mukukandira chinhu ichi chakashata, chakazara - chiri pamusoro pekugadzikana kwedimensional, chokwadi, asiwo nezve kutendeseka kwepamusoro, kunzwika kwemukati, uye maitiro echikamu mushure mekunge chazunguzwa kunze nekutonhodzwa. Vazhinji vatengi, kunyanya avo vatsva mukutsvaga castings, gadzirisa pane iyo nhamba imwe chete. Ivo vanozoda zvisingaite yakasimba se-kukanda kushivirira vasingazive kuti mutyairi wemutengo hausi iwo mold chete, asi zvese kubva kune alloy's shrinkage maitiro kusvika pakuronga kwaunoita gating system. Ndakaona mapurojekiti achienda parutivi nekuda kweiyo disconnect. Hurukuro chaiyo inofanira kutanga nebasa: chii chinoitwa nechikamu ichi, iko kurongeka kwacho kune basa kupi, uye ndekupi kwatingabvumira kumwe kushanduka kwemaitiro kuti zvichengetedze? Ndipo panouya chiitiko.
Iyo Shell Mold Bancing Act
Kuchitoro chedu, kukanda mold inzira yakakosha, uye ndipo panorwiwa hondo chaiyo. Runako rwayo ndiyo yakanakisa kupedzwa kwepamusoro uye yakadzikama dimensional kurongeka iwe unogona kubuda wakananga kunze kwe mold. Asi kuva neruremekedzo hakuna kukwana nguva dzose. Iyo chaiyo pano ibasa rakananga remuenzaniso. Kana yako master pateni isina kukwana, accounting ye shrinkage rates kusvika pachikamu chepercent, urikungodzokorora kukanganisa. Isu tinoshandisa yepamusoro-giredhi epoxy kana simbi mapatani, uye kuchengetedza kwavo kwakakosha. Chipi chidiki kana muunganidzwa wezvisaririra zvemumiririri unokopwa pagoko rega rega raunogadzira.
Ipapo pane goko pacharo. Ukobvu hwayo uye kufanana kwakakura. Nzvimbo yakatetepa inogona kutungamira mukutsva-mukati kana bulge, kuuraya yako dimensional kurongeka. Isu tinodzora izvi kuburikidza nekunyudza uye stuccoing parameters - slurry viscosity, saizi yezviyo zvejecha, nguva yekuomesa pakati pejasi. Zvinonzwika senzira, asi munzvimbo isingadzoreki-inodzorwa nemamiriro ekunze (asina kuwanda kwakawanda), zuva rine hunyoro rinogona kukanda kutenderera kwako kwekuomesa, zvichitungamira kune isina kusimba, isina kudzikama goko. Iwe unodzidza kuverenga mhepo, kwete chete bhuku rekushandisa. Chinangwa igoko rakasimba zvekugona kubata simbi yakanyungudutswa's static pressure pasina kukanganisa, asi isina kukora zvekuti inokonzeresa kutonhora zvakanyanya kana kugadzira yayo yekushushikana. Ndiko kugaro gadzirisa.
Ndinoyeuka batch yemitumbi yevharuvhu mu duplex simbi isina tsvina makore mashoma kumashure. Kudhinda kwaida kushivirira kwakaoma. Iwo magomba aive akakwana, iyo alloy yaive yekufungidzira, asi se-akakanda mabhora aigara ari pamuganho wepasi. Nyaya yacho? Isu takangochinja kune nyowani zircon jecha musanganiswa wemajasi ekutanga. Yaive neyakasiyana zvishoma yekupisa conductivity, iyo yakashandura kusimba kwekumberi kungoringana kukanganisa shrinkage muchikamu ichocho chakakosha. Kugadzirisa kwanga kusiri kwekugadzira zvakanyanya-kwaive kugadzirisa mapeteni ekudhinda zviyero nezvikamu zvishoma zvegumi kutsiva maitiro matsva egomba. Ndizvo kukanda chaiko: kutarisira mutsara wezvinosiyana, kwete imwe chete.
Investment Casting: Kudzingirira Ngano yeNet-Shape
Investment casting inowana iyo chaiyo label yakakandwa kwakawanda, kazhinji inotengeswa senge net-shape maitiro. Uye zvinogona kuva, kune mamwe majeometri. Asi net-shape ishoma yerwiyo rwe siren. Majekiseni ewakisi anosuma zvawo zvakasiyana-kudzvanywa kwejekiseni, tembiricha, uye nguva yekutonhodza zvese zvinokanganisa saizi yepateni. Musiyano we 0.1% mukupfava kwewakisi unowedzera kuburikidza negoko receramic rakavakwa uye nekudirwa kwesimbi yekupedzisira. Kune akawanda ekushambadzira-giredhi ekudyara mari, iwe uchiri kutarisa kune machining mvumo, ingori diki.
Ipo painopenya zvechokwadi ndeyemukati maficha uye yakaoma contours iyo inodhura zvisingaite kumuchina. Funga nezvemapellers kana turbine blades ane mukati ekutonhodza nzira. The kukanda chaiko apa pane kutora iyo geometry nekutendeka. Dambudziko ndere kudzivirira ceramic core shift kana kukanganisa panguva ye dewaxing uye kupfura. Isu tinowanzo gadzira muti wekusangana wewakisi uye geji chairo kuti tisimbise uye titsigire macores akatetepa. Ipikicha. Chidimbu chakakundikana chinoreva kukanda uko mugero wemukati uri kure-pakati, zvichiita kuti chikamu chive chisingabatsiri kunyangwe kunze kwakanaka.
Takashanda purojekiti yechikamu chemishonga yekurapa, chikamu checobalt-chrome alloy chine dhizaini. Kuchigadzira kwaive kusingaite. Icho chaidiwa chaidiwa chaive chishoma nezvechimwe mutsara dimension uye zvimwe nezve kuenderana kwemadhayamita eretiti uye porosity yepasi. Takapfuura nepakati pemabikirwo ewakisi nemateko. Kubudirira kwakauya kubva pakugadzirisa pre-heat tembiricha ye mold isati yadira. Kunyanya kupisa, uye simbi yaizobvisa iyo yakanaka ceramic details; kutonhora zvakanyanya, uye simbi yaisazadza zvikamu zvitete zvachose. Iyo chaiyo yakatsanangurwa nekudzokorora mumazana ezvikamu, kwete kungorova nhamba pane imwe.
Nyaya ndiyo Mharidzo
Iwe haugone kutaura nezve chaiyo pasina kutaura nezve simbi pachayo. Apa ndipo panowanikwa generic foundries pamadziro. PaQSY, kushanda nezvose kubva kune yakajairwa simbi kusvika kune nickel-based alloys zvinoreva kuti unofanirwa kuseta patsva zvaunotarisira pabasa rega rega. Grey iron ine fluidity yakanaka uye inofanotaurwa shrinkage, yakatenderedza 1%. Kukanganwira. Asi chinja kune kunaya-kuomesa simbi isina tsvina kana yakakwirira-nickel alloy, uye mutambo wese unoshanduka.
Aya akakosha maalloys ane akasiyana ekupisa kwekukanda maitiro. Dzimwe dzinowanzobvaruka nekupisa kana mold yacho yakanyanya kuomarara, izvo zvinokumanikidza kuti ushandise mold ine dhizaini isina kugadzikana-kuchinjana ipapo. Mamwe, semamwe mabronze ealuminium, ane hurefu hwakasimba hwekusimba, huchiita kuti ive nyore kune micro-porosity, inogona kungoonekwa muX-ray asi inogona kukanganisa kuita kwechikamu ichimanikidzwa. Yako gating uye inosimuka dhizaini inova hyper-yakakosha kune chaiyo, kwete kungodzivirira shrinkage cavities, asi kuve nechokwadi chekusimba kunoderedza kushushikana kwemukati uye kukanganisa. Chikamu chinoputika mushure mekupisa kupisa hachisi chikamu chaicho, kunyangwe chakayerwa zvakakwana mugirinhi.
Takadzidza izvi nenzira yakaoma nenhevedzano yepombi hombe dzimba mune nickel-chromium alloy. Zvinyorwa zvekutanga zvakapasa madimensional cheki. Asi mushure mekugadzirisa kupisa kwekupisa, vakapeta semabhanana. Nyaya yaive yekusarira stress yakavharirwa mukukanda kubva mukutonhodza kusina kuenzana. Isu taifanira kudzoka togadzira patsva zvekusimudza uye nekuwedzera strategic cooling fins kune mold kukurudzira kusimba kwakafanana. Iyo chaiyo yaifanirwa kugadzirwa mukati mekupisa manejimendi yemaitiro, kwete kungoita mhango.
Iko CNC Machining Inopindirana (Haisi Crutch)
Vanhu vazhinji vanofunga nezve CNC machining sedanho rekuchenesa-up kuti uwane chaiyo yekupedzisira, uye kusvika pamwero, ichokwadi. Asi kana iwe uri kuishandisa semudonzvo weurombo hwekukanda tsika, miganho yako inoputika. Chinangwa ndechekupa kukanda kwakanyatsokwana kuti machining ashande. Izvi zvinoreva kuenderana kwemadziro ukobvu, fungidziro yemvumo yemasheya, uye kushoma kwakavanzika hurema hunogona kutyora chishandiso.
Yedu-mumba machining kuQSY inogadzira yakasimba mhinduro loop. Iwo machinists anotiudza chaizvo kuti masheya arikupi akasiyana, kune nzvimbo dzakaoma, kana kana kukanda kuri kubuda panguva yekurovera. Iyo intel inodzokera kumashure chaiko kune foundry. Semuyenzaniso, kana isu tichigara tichiona imwe 0.3mm ye stock pane imwe flange kumeso, tinogona kugadzirisa patani kana kuumba maitiro kuti idzose. Synergy iyi ndiyo inotibvumira kuvimbisa zvakavimbika kukanda chaiko. Haasi mashiripiti; kutaurirana.
Ndinoyeuka rimwe basa repamusoro-soro rebhureketi remotokari. Iyo as-cast kushivirira pane mamwe mabhoti boss marefu aive muganho wemutengi otomatiki machining mutsara. Vaida kuwirirana kwakanyanyisa. Nekuongorora mazana mashoma ekutanga akagadzirwa zvikamu, takaona kuwirirana pakati pekudurura tembiricha uye yekupedzisira boss kureba mushure mekugadzira. Kudiridza kwakakwira zvishoma kwakakonzera kudzikira kushoma muchikamu icho chakazvimirira, chinorema. Takasimbisa hwindo redu rekudzora tembiricha, uye dambudziko rakanyangarika. Iko kurongeka kwakawanikwa nekudzora shanduko yemaitiro yatisina kumbofunga kuti yakakosha kune iyo dimension.
Iyo Chaiyo-Nyika Kukanganisa uye Kuendesa Kukosha
Saka, shure kwezvose izvi, chii kukanda chaiko? Mukuita, kazhinji inyanzvi yezvinobvira mukati mechokwadi chehupfumi. Kuziva nguva yekutsanangura CT scan yechikamu chakakosha chemuchadenga maringe kana yakajairwa UT uye dimensional cheki inokwana hydraulic manifold. Iko kunzwisisa kuti 0.25mm pamusoro roughness (Ra) inogona kuwanikwa se-yakakandwa nekukandwa kwekudyara, asi kune hombe goko mold chikamu, ichitsanangura 1.6mm Ra uye kuronga kwekukurumidza machining pass kwakangwara uye kwakachipa.
Kukosha kwatinopa kukambani yakaita seQingdao Qiangsenyuan Technology hakusi mukugadzira chimiro chete. Iri mukutungamira mutengi kuburikidza nekutengesa-offs uku. Iwe unogona kuwana maitiro edu uye kugona kwakatsanangurwa pa https://www.tsingtaocnc.com. Neanopfuura makumi matatu emakore ekukanda uye machining, hunyanzvi chaihwo huri mu pre-empting matambudziko. Zviri mukutarisa kudhirowa uye uchiti, Iyo radius yakanyanya kupinza kune alloy yawasarudza-ichaita inosimudza kushushikana uye inogona kusazadza. Ngatiizorodza ne1mm, uye iwe uchawana chikamu chakavimbika. Ndiko kufunga chaiko-zvinoitika nguva refu simbi isati yanyungudutswa.
Pakupedzisira, kudzingirira mhedziso, yakakwana, sekukanda-kukandwa chaiko pane yega yega ibasa rebenzi. Mutengo wemutengo unoenda wakatwasuka. Hunyanzvi chaihwo ndehwekuona izvo zvakakosha zvekutonga-nzvimbo dzekuisa chisimbiso, majenari anotakura, nzvimbo dzekusangana-uye kudurura hurongwa hwako hwese hwekuita kuti nzvimbo idzodzo dzive dzakakwana. Zvimwe zvacho zvinogona kudzorwa. Ndiwo mabudisiro aunoburitsa chikamu chaicho, kwete kungokanda chaiko. Haisi kungoita nhamba iri papeji. Iri pamusoro pechikamu chinoshanda, chinogara, uye chine musoro wehupfumi. Ndiko kuguma.
