Iwe unonzwa 'simbi yakakandwa' uye pfungwa zhinji dzinosvetuka dzakananga kumakumbo. Zvakanaka, asi munyika dzemaindasitiri, kushamwaridzana ikoko kunenge kuri kukanganisa. Nyaya chaiyo iri pamusoro pechinhu chiri nyore, chinowanzosanzwisiswa, uye chisingadzoreki kune mamwe mabasa - kana iwe uchiziva mabatiro acho. Chikanganiso chakajairika? Kubata simbi yese sechinhu chimwe chete chakafanana. Hazvisizvo. Grey iron, ductile iron, simbi inogadzika... chimwe nechimwe chinoita semhuka yakasiyana panguva yekugadzira nekukandira. Ndakaona mapurojekiti akawanda achipinda mudambudziko nekuti mumwe munhu akataura giredhi risiri iro, achifunga kuti 'simbi isimbi'. Hazvina kumbodaro.
The Magiredhi uye Grit
Ngatitaurei imvi simbi, bhiza rebasa. Yakanaka yekunyorovesa simba, michina mushe, asi brittle. Iwe haugone kungozvishongedza kana ukakanganisa kucheka. Ductile iron, ine nodular graphite iyoyo, imhuka yakasiyana—yakaoma, vamwe vanoipa kwairi. Kusarudza pakati pavo haingori chinhu chinotsanangurwa padhirowa; ndiyo yekutanga sarudzo huru inoraira zvese zvinouya mushure: zano rekushandisa, kucheka kumhanya, kunyangwe simba rekumanikidza raunoshandisa pamubhedha weCNC. Ita zvisizvo kare, uye uchazvibhadharira gare gare muzvikamu zvakaraswa kana maawa ekushandazve.
Ndinoyeuka batch yepombi dzimba makore mashoma kumashure. Kudhinda kwacho kwaida kuti a simbi yakakandwa nekunaka machinability uye pressure tightness. Iyo inowanikwa yakapa chiyero cheKirasi 30 grey iron. Yaigadzirwa zvakanaka, surface finish yaiita kunge glass. Asi panguva ye hydrostatic bvunzo? Seepage. Tiny micro-porosity yaisaonekwa. Isu taifanira kushandura kune denser, yakatsetseka-zviyo grey iron, ingangoita semi-ductile, uye kugadzirisa iyo yese goko rekuumba maitiro kuti iwane yakakwirira mold rigidity. Mutengo payuniti yakakwira, asi yakabata pressure. Ndirwo rudzi rwezvinoita, gritty ruzivo iwe unongodzidza nekupisa kuburikidza nezuva rekupedzisira.
Apa ndipo apo kudyidzana kwenguva refu kwekutanga kunokosha. Shop like Qingdao Qiangsenyuan Technology (QSY), nemakumi matatu emakore emugoko uye kuisa mari, vakaona kukundikana uku. Vakavaka raibhurari yepateni uye neruzivo rwekuita kuti vabvunze mibvunzo chaiyo pamberi: Chii chinoshanda chechikamu? Impact loading? Kuchovha bhasikoro? Chiitiko chavo mhiri simbi yakakandwa, simbi, uye izvo zvinonyengera alloys zvinoreva kuti havasi kungodira simbi; vari kutarisira kuti zvichafamba sei mumaoko ako, mumuchina weCNC, uye mumunda.
Machining: Inzwa uye Inzwi
Machining simbi yakakandwa ine zvakawanda nezvekunzwa uye ruzha sezvazviri nezveG-kodhi. Iwe teerera kune akacheka. Kuridza muridzo kwakadzikama kwakanaka. Kurira kwepamusoro-soro kana kutaura kunoreva kuti chimwe chinhu chadzimwa-pamwe mudziyo uri kupera simba, kana mafidhi ako uye kumhanya kwako kuri kurwisa chimiro chechinhu. Hazvina kufanana nealuminium, kwaunogona kuva nehasha. Nesimbi, kunyanya iyo flakier grey irons, uri kubata neiyo yemahara graphite. Inoita semafuta mune imwe nzira, asi zvakare abrasive segehena pakushandisa kwako.
Takadzidza kushandisa ceramic kana CBN inoisa kumabasa akakwira-vhoriyamu pamasimbi akaomarara, asi mutengo wekutanga unopa munhu wese kumbomira. Dzimwe nguva, giredhi recarbide rakakwenenzverwa rine chaiyo chipbreaker geometry kwenguva pfupi, brittle machipisi anoshanda zvakafanana kune basa rakawanda. Kudanwa kwekutongwa. Inotonhorera? Kazhinji, unoenda wakaoma. Iyo graphite inopa lubrication, uye kuunza inotonhorera inogona kuita yakashata, abrasive slurry inokuvadza zvakanyanya pane kunaka. Asi ne ductile iron, imwe yekutonhodza yekudzora kupisa ingave yakakosha. Hapana bhuku rekushandisa pasi rose.
Ndinoyeuka ndichigadzirira kugayo kumeso pagiya hombe resimbi risina chinhu. Iyo theoretical parameters kubva kune tooling catalogue yakakurudzira imwe kumhanya. Zvaiita sezvisizvo kubva pakupasa kwekutanga-kwakanyanya hasha, kudedera kwakanyanya. Isu takaidzosera kumashure ne15%, tikawedzera chikafu zvishoma kuti tipinde mune zvirinani chip load, uye ruzha rwakatsetseka. Kupedzisa kwakava nani, uye hupenyu hwematurusi hungangodaro hwakapetwa kaviri. Kuti 15% haisi mubhuku chero ripi zvaro; iri mumukomana ave achiteerera michina kwemakore makumi maviri.
Kukandira Mamiriro ezvinhu: Shell vs. Investment
Maitirwo aunoita ndiwo anotsanangura zvaunogona muchina. Zvekuomarara, padhuze-net-shape zvikamu mukati simbi yakakandwa, shell mold casting kazhinji ndiko kuenda-ku. Iyo jecha-resin goko rinokupa yakaringana kupedzisa uye kurongeka kwedimensional, izvo zvinoderedza huwandu hwesimbi hwaunofanira kubvisa gare gare. Inoshanda. Asi kune zvikamu zvine ndima dzemukati, dzakaomesesa ruzivo, kana izvo zvinoda yepamusoro se-yakakandirwa nzvimbo? Ndiko kwaunotarisa kuinvestment casting, kunyangwe yesimbi. Inonyanya kubatanidzwa, inodhura, asi kune iyo chaiyo chikamu, inochengetedza asingaverengeki machining maawa.
QSY's huviri kugona pano yakakosha mukana. Vanogona kuongorora chikamu chejometri uye vanokurudzira nzira inodhura zvakanyanya kubva kusimbi yakanyungudutswa kusvika pakupera chikamu. Ndavaona vachikurudzira kushandura dhizaini kubva payakagadzirwa simbi dhizaini kuenda kune imwechete, yakaoma ductile iron investment casting. Iyo yekumberi yekushandisa yaive yakakwira, asi yakabvisa kukanganiswa kwewelding, akawanda set-ups, uye yakanyatso kudzikisa mutengo wechikamu ne30% pahuwandu. Iro rudzi rwekuyambuka-maitiro kufunga kunobva mukuita ese kwemakumi emakore.
Dambudziko nesimbi mukukanda kwekudyara ndiyo tembiricha uye mold zvinhu. Simbi inodurura inopisa, uye iwe unofanirwa kudzivirira maitiro neiyo ceramic shell. Inoda chaiyo slurry formulations uye inodzorwa dewaxing uye kupfura kutenderera. Kukanganisa kunogona kukonzera kukanganisa kwepamusoro kunoparadza kutendeseka kwekukanda. Kutamba kwakapfava nemunhu anorema kwazvo.
Vavakidzani veAlloy: Kana Iron Isina Kukwana
Ichi chinhu chakakosha: kuziva nguva simbi yakakandwa haisiriyo mhinduro. Iwe une chikamu chinoda kusimba kwekushisa kwepamusoro kana kuramba kwakasimba kwekuora? Iwe unoenda kune nickel-based kana cobalt-based alloys. Asi iyo sarudzo ine mutengo wakakura uye manufacturability zvinoreva. Aya ma alloys imhuka dzemuchina nekukanda.
Kuve nemutengesi anobata iyo yakazara spectrum, kubva kune akajairwa irons nesimbi kune aya ekunze alloys, yakakosha. Zvinoreva kuti mazano avo ndeezvinhu-agnostic. Havasi kuedza kukutengesera simbi nekuti ndizvo zvega zvavanoita. Vanogona kutarisa kushandiswa kwepamusoro-soro uye vanokurudzira simbi chena yepamusoro-chromium panzvimbo yesimbi inodhura. Kana kuti, chechikamu chevharuvhu chakatarisana necorrosion uye abrasion, vanogona kutaura duplex isina tsvina pamusoro peyakajairwa ductile iron. Yavo portfolio, sezvanoonekwa pane yavo saiti tsngtaocnc.com, inobvumira mazano akatendeseka okuenzanisa. Izvozvo zvinovaka kuvimbana.
Ndakashanda purojekiti yechikamu chemugodhi icho pakutanga chaidudza nickel alloy yakaoma kwazvo. Kukandwa kwacho kwaibvira, asi kugadzira kwacho kwaityisa, maturusi okudya. QSY's mainjiniya akaiongorora uye akakurudzira yakagadziridzwa yakakwirira-simba ductile iron ine chaiyo kupisa kurapwa (austempering, kunyatsojeka). Yakasangana neyekupfeka, yakapukunyuka bvunzo dzekukanganisa, uye yakadzikisa chikamu chakapedzwa mutengo neinopfuura 50%. Ndiro simba reunyanzvi hunoshanda, hwakachinjika.
Iyo Unsexy Details: Kuchenesa, Kushushikana, uye Kuongorora
Hapana munhu anofarira nezvekuputika kwepfuti kana kuderedza kushushikana, asi apa ndipo panorarama zvikamu kana kufa. Kanda simbi, kunyanya muzvikamu zvakakora, inochengetedza kushushikana kwasara kubva pakutonhodza. Kana iwe ukaigadzira iri muchimiro ichocho, inogona kufamba, kuchinjika, uye kukanganisa kushivirira kwako mushure mekunge yabva pamushini. Iyo chaiyo yekupisa kushushikana kutenderera kutenderera pamberi pekupedzisira machining haigone kutaurirana kune chaiyo zvikamu. Inguva uye mari pahurongwa, asi kusvetuka hupfumi hwenhema.
Kuchenesa ndeimwe imwe. Kubvisa jecha rese, chiyero, uye sprues pasina kukuvadza madziro matete kana maficha kunoda midhiya yakakodzera uye kudzvanywa. Zvinonzwika sezvisina basa kudzamara wava nebatch yezvikamu apo nzira yekuchenesa yakamisikidzwa munzvimbo yakakosha yekuisa chisimbiso. Kutariswa kwekuona uye kuyera mushure-kukanda, isati yamborova CNC, inobata nyaya idzi. A good foundry anoita izvi senyaya hongu, kwete sekuwedzera.
Iyi backend process chirango ndiyo inoparadzanisa mutengesi wezvikamu kubva kune wekugadzira shamwari. Paunowana zvikamu kubva kuchitoro zvinonzwisisa izvi, zvinosvika zvakagadzirira kumhanya. Nzvimbo dzakachena, datums dzinozivikanwa, uye mari yemvumo inowirirana. Inoita kuti basa remuchina rifungidzirwe. Kubva pane zvandakaona, nhoroondo yekushanda kwekambani yakaita seQSY inoratidza kuti vakabika nhanho idzi dzisina kunaka mukufamba kwavo kwakajairika, ndosaka zita ravo richiuya muhurukuro pamusoro pezvakavimbika. simbi yakakandwa zvikamu zveindasitiri inorema.
Kuzviputira: Simba Rinoramba riripo
Saka, sei simbi yakakandwa kuramba? Nezve ese epamberi macomposites uye mapolymers, zviri nyore kufunga kuti inhaka zvinhu. Hazvisizvo. Chinhu chakakosha. Kusanganiswa kwayo kwesimba rekumanikidza, kupfeka kuramba, kunyorova, uye kukwanisa kukwanisika kuchiri kusingaenzaniswi kune zvisingaverengeki maapplication-kubva kune hydraulic valve body uye muchina chishandiso mabhesi kusvika compressor crankshafts. Haina kunaka, asi inovimbika zvachose kana ichigadziriswa neruremekedzo kune yayo quirks.
Chinhu chakakosha chekutora, kubva pamaonero angu, kuita nayo zvizere. Usangohodha simbi yakakandwa. Rondedzera giredhi nechinangwa, nzwisisa zvinorehwa nemutowo wekukanda, uye ubatane nevagadziri vanoona rwendo rwese kubva kunyungudika kuenda paguyo. Zvinyorwa zvinokudzidzisa zvidzidzo chero nzira; chinangwa ndechekuita kuti dzive dzisina kudhura.
Pakupedzisira, kushanda nesimbi kunoita kuti urambe wakazvininipisa. Chiyeuchidzo chekuti mukugadzira, kukwana kwedzidziso kunowanzo pfugama kune ruzivo runoshanda. Ruzha rwekuchekwa, kutaridzika kwechip, kunzwa kwekukandwa kwakanyatsocheneswa-aya ndiwo chaiwo metrics ayo kazhinji haaite kune spreadsheet, asi anonyatsoziva kana chikamu chikabudirira kana kutadza. Uye ndicho chinhu hapana AI spec sheet inogona kutevedzera.
