Kana vanhu vachitaura nezve 'mhando dzemachina chaiwo', vanowanzo nyora maitiro sekugaya, kutenderedza, kukuya. Izvozvo hazvina kuipa, asi zvinopotsa pfungwa yacho. Iyo chaiyo nyaya ndeyekusarudza maitiro akakodzera ezvinyorwa zviri mumaoko ako uye kushivirira padhirowa, uye maitiro ayo maitiro anowanzo shanda pamwechete. Ndakaona madhizaini akawandisa anotsanangura kupera kwepamusoro kunongogoneka nekukuya, asi chikamu chejiometry chinoita kuti kusungirira pakugaya kuite kusingaite. Ndipo panopinda 'mhando' chaidzo—kwete michina chete, asi kutevedzana uye chinangwa.
Inotanga neKukanda: Iyo Nheyo yeMachining
Izvi zvingaite sezviri pachena, asi haugone kutaura nezve chaiyo machining mune yedu mamiriro pasina kutanga nekukanda. Kukandwa kwakashata kunovimbisa chikamu chakagadzirwa chizere nemusoro. Ndakashanda nevashambadziri vanobata kukanda uye kugadzira senyika dzakasiyana, uye mhedzisiro inogara yakawedzera mutengo uye nguva. Kambani inowana izvi zvakanaka, senge Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), inoshanda zvakasiyana. Neanopfuura makore makumi matatu mukukandira uye kugadzira, vanonzwisisa kuti yakanaka goko mold kana investimendi yekukandira haisi yechimiro chete; ndezvekupa inoenderana, inonzwika base ine kushoma kwasara kushushikana. Kugadzira chikamu kubva kune yavo cobalt-yakavakirwa alloy investimendi chiitiko chakasiyana pane kutanga neyakagadzirwa bar stock-iyo machining paramita, kupfeka chishandiso, zvese zvinoshanduka.
Maitiro avo nezvinhu zvakaita se ductile iron kana 316 Stainless simbi ndeyekufunga machining kubva padanho repateni. Makona ekudhirowa, mitsara yekuparadzanisa, ese akaiswa neziso remuchina. Izvi hazvisi zvekufungidzira; ndezvekunzvenga chiitiko chauri kuyedza kutora kucheka kunorema pamadziro akatetepa ekukanda, zvichikonzera kuzunguzika uye kukanganisa kupera. Ndinoyeuka purojekiti yepombi yeimba apo yekutanga kukanda dhizaini yaive nenzvimbo yakakosha yekuisa chisimbiso munzvimbo yaive isingagoneke. Zvaingove nekuti iyo yekutanga (imwe ine yakasanganiswa machining sezvaungawana pa tsngtaocnc.com) yakabatanidzwa kare kuti isu takagadzira patsva musimboti kuti tibvumire kuwana kwakakodzera maturusi.
Synergy ndiyo yakakosha. Kusarudzika kwavo mune ese ari maviri shell mold kukanda uye CNC machining pasi pedenga rimwe zvinoreva kuti kuronga kwemaitiro kwakabatanidzwa. Kukandira hakusi kungoshama; ndiyo yekutanga, nhanho yakakosha mukutevedzana kwemachini chaiwo. Izvi zvinobvisa yakawanda yekufungidzira uye kupomera-kuchinja kunoitika kana uchitsvaga kubva kune vakasiyana vatengesi.
CNC Machining: Iyo Workhorse uye Yayo Nuances
Zvino, pane chiitiko chikuru. Kana tichiti CNC machining, ikereke yakafara. Kune yakakwirira-vhoriyamu, zviri nyore zvikamu kubva mukukasa kwavo, akawanda-axis milling nzvimbo ndiyo yekuenda-ku. Asi izwi rekuti 'precision' pano rine hukama. Kubata ± 0.05mm pane bracket yesimbi chinhu chimwe; kuwana ± 0.005mm pachigaro chevharuvhu kune yakakosha alloy imwe mhuka zvachose.
Sarudzo pakati pe3-axis, 4-axis, kana 5-axis haisi yekungooma kunzwisisa; kazhinji ndezvekuderedza setups. Pese paunogadzirisazve chikamu, unosuma chingangoitika chikanganiso. Kune yakaomesesa yekudyara-cast turbine chikamu munickel-based alloy, taigara tichisarudza 5-axis muchina kupedzisa nzvimbo dzakakosha mune imwe setup. Mutengo paawa wakakwira, asi chikamu chekupedzisira kurongeka uye kuenderana kuri nani zvinoshamisa. Ndakaita chikanganiso chekuyedza kuchengetedza mari nekutsemura mashandiro pakati pemakina matatu-axis, uye iyo yakawedzera kushivirira stack-up yaive dambudziko rekugadzirisa.
Ipapo pane kutendeuka. Kune zvikamu zvinotenderera kubva kusimbi yavo yakakandwa kana simbi, CNC kutendeuka ine mhenyu chishandiso chakakosha. Asi kunyatsobatidza simbi isina tsvina, kunyanya iwo magiredhi akaomarara, kutamba pakati pekumhanya, chikafu, uye chinotonhodza. Iko kusanganisa kwakashata kunotungamirira kukushanda kuoma, izvo zvino zvinoparadza chimbo chako uye zvinoparadza kutendeseka kwepamusoro. Irwo ruzivo rwetactile-kuteerera kune yakachekwa, kutarisa chip ruvara uye chimiro. Hapana bhuku rekushandisa rinogona kudzidzisa izvozvo zvizere.
Kunopedza Kubata: Panobuda Chokwadi Chechokwadi
Apa ndipo apo nhaurirano zhinji dzemhando dzemachining chaiwo dzinodzikira. Vanobata milling/kutendeuka semagumo. Muchokwadi, kune zvikamu zvinoda kunyatsojeka - funga ma hydraulic manifolds, kutakura zvigaro, kana nzvimbo dzekuisa chisimbiso - ingori nhanho yekupedzisa. Kukuya ndipo panoitika mashiripiti. Asi kunyange kukuya kune marudzi ayo: kukuya pamusoro, cylindrical grinding, centerless grinding.
Taiva nepurojekiti yeshaft kubva musimbi yakaoma. Iko kutendeuka kwakaiswededza pedyo, asi kubereka kwacho kwaida kupedzisa kweRa 0.2μm uye kushivirira kwejometri kwema microns mashoma. Ndiyo cylindrical grinding territory. Hunyengeri hwaive kutevedzana: rough turn, heat treat, finish turn, wobva wagaya. Kana ukaedza kukuya zvinhu zvakawandisa mushure mekupisa, unoburitsa kupisa kwakanyanya uye njodzi yekupisa pamusoro. Icho chiito chekuenzanisa.
Dzimwe nguva, kunyange kugaya hakuna kukwana. Kunzvimbo dzakapfava zvakanyanya kana kubvisa nhongonya dzakasiiwa nekukuya, kuridza kana kupuruzira zvinopinda. Izvi hazvinyanyi kuwanda muzvitoro zvebasa asi zvinonyanya kukosha mumaindasitiri akaita semagetsi emvura kana aerospace. Ndinorangarira spool yevharuvhu yatakaita iyo yakaramba yakanamatira mushure mekugaya. Dambudziko raive diki, sub-micron-level waviness pane cylindrical pamusoro. Mhinduro yacho yaive yekukurumidza honing process. Izvo hazvina kushandura zviyero zvakanyanya, asi zvakashandura chimiro chepamusoro chakangokwana kuita basa rakakwana. Iyi ndiyo nuance: kunyatsojeka haisi nhamba chete; ndiwo hunhu hwakakodzera hwekushandisa.
Material ndiye Dictator
Iwe haugone kuparadzanisa rudzi rwekugadzira kubva kune zvinhu. Kushanda ne QSYZvinhu zvakajairika zvakaita sesimbi inokanganwira; inoshanda zvakanaka, inogadzira machipisi mapfupi, uye ine mutsa kumaturusi. Simbi yakasimba asi inofanotaurwa. Simbi isina simbi, kunyanya iyo austenitic mamakisi, ine gummy uye inogara kune yakavakirwa-kumusoro kumucheto. Iwe unoda maturusi akapinza, akanaka rake angles, uye pamwe rakasiyana coating.
Asi dambudziko chairo nderehunyanzvi hwavo: cobalt-based uye nickel-based alloys. Izvi ndizvo zvinhu zvekurota zvinotyisa kune asina kugadzirira machinist. Vanoshanda-vakaomesa nekukurumidza, vanonyanya kushungurudza, uye maitiro avo ekupisa haana kunaka, saka kupisa kunowedzera pamucheto wekucheka. Kune izvi, zvinhu zvose zvinoshanduka. Kumhanya kwakadzikira, mafeed anogona kunge akakwira kuti apinde pasi pebasa-rakaomeswa layer, uye kusarudzwa kwegiredhi recarbide kwakakosha. Isu takadzidza nenzira yakaoma kuti kushandisa yakajairwa TiAlN yakavharwa magumo pachikamu cheStellite kwakangokonzera chishandiso chakanyungudutswa uye chakaraswa kukanda. Kuchinjira kune yakasarudzika giredhi ine yakakwira cobalt zvemukati uye yakasiyana geometry ndiyo chete nzira. Apa ndipo pane ruzivo rwemutengesi, semakore makumi matatu akacherechedzwa Iyo kambani Qingdao Qiangsenyuan Technology Co., Ltd., vanobatika—vanogona kunge vakapisa nematurusi akakwana kuti vazive zvinoshanda.
Inotonhorera zano inova yakakosha pano. High-pressure, through-tool coolant haisi yeumbozha; chinhu chinodiwa kutyora machipisi uye kutakura kupisa kure. Dzimwe nguva, pakupedzisa kupfuudza pane aya ma superalloys, isu taitoshandisa yakaderera quantity lubrication (MQL) nzira kuti tiwane kupedzisa kurinani kwepasi pasina kuvhunduka kwemafuta. Hapana imwe-saizi-inokodzera-zvose.
Kuzviisa Zvose Pamwe Chete: The Real-World Sequence
Saka, chii chakajairwa nemachining machining maitiro anotaridzika sechikamu chakaoma? Ngatitorei fungidziro asi chaiyo yepombi impeller mu duplex Stainless simbi, ichibva kuinvestment casting. Chekutanga, kukanda kubva kune foundry kunofanirwa kuongororwa. Pamwe kukurumidza pfuti kuputika kuichenesa. Zvadaro, inoenda kuCNC lathe yekushandura bhora uye nechiso cheshure-izvi zvinomisa datum yekutanga. Tevere, inoendeswa kune 4 kana 5-axis mill. Pano, mablades, shroud yekumberi, uye chero zviteshi zvinogadzirwa. Uku kurema, kuvhiringwa kucheka, saka kugadzikana kwemidziyo kwakakosha.
Mushure meizvozvo, pamwe pane danho rekuzorodza rekushushikana kana machining anga aine hasha. Zvadaro, dzokera kune lathe kana grinder yekupedzisa yakakosha yekuisa chisimbiso nzvimbo uye kubereka kune yekupedzisira kushivirira. Pakupedzisira, kubvisa, kuchenesa, uye pamwe nzira yekufambisa yesimbi isina tsvina. Munguva yese iyi, kuongorora kunopindirana-mushure mekutanga op, mushure mekuita rough, mushure mekupedza. Iwe haugone kuongorora mhando muchikamu pakupedzisira.
Chiripo ndechekuti, iwo 'mhando' dzechaiyo machining aya matanho, ega ega anosarudzwa nechikonzero. Kuyerera. Chitoro chinongogadzira chigayo chinogona kuburitsa chikamu, asi chitoro chinonzwisisa cheni yese, kubva panzira yekukanda kusvika kune yekupedzisira honing, senge basa rakasanganiswa, rinoburitsa chinhu chakavimbika. Iko kutadza kwandakaona kazhinji kunouya kubva pakudimburwa mucheni iyi - maachingist achisundidzira chikafu chakanyanya kuti achengetedze nguva, achiparadza pasi pedanho rinotevera rekukuya, kana nzira yekupisa iyo isina kuverengerwa mumachining mvumo.
Mukupedzisira, kupatsanura nemhando yemuchina ndiko kutanga. Asi hunyanzvi hwechokwadi huri mukunzwisisa kuti maitiro aya anopindirana sei, mashandisiro anoita zvinhu mitemo yazvo, uye kuti hwaro-yakagadzirwa zvakanaka-inogadzirisa zvese zvinozotevera kwete zvinogoneka, asi mune zvehupfumi. Ndiwo maonero aunowana kubva muchitoro, kwete kungoverenga kabhuku.
