Kana vanhu vazhinji vakanzwa 'yakanyanya chaiyo CNC machining', vanobva vafunga nezve kushivirira kwakasimba, pamwe ± 0.001 kana zvirinani. Icho chikamu chazvo, chokwadi, asi inzvimbo yekutanga, kwete mutsetse wekupedzisa. Dambudziko chairo harisi kungobaya nhamba pamufananidzo kamwe chete; irikurova zvisingaite, pachikamu chenhamba 1 uye chikamu nhamba 10,001, pane yakaoma geometri uye zvinhu zvisingaregereri. Zvitoro zvakawanda zvinoti vanozviita, asi musiyano uripo pakati pekutsvaga nekuendesa ndipo panoitika basa chairo — uye kukanganisa kunodhura — kunoitika.
Nheyo: Haisi Yezve Mushini
Chero ani zvake anogona kutenga yakakwirira-yekupedzisira 5-axis chigayo. Muchina uyu chinhu chinodiwa, asi ndiyo ecosystem yakaitenderedza iyo inosarudza chokwadi chaicho. Ndiri kutaura nezvekudzora kwezvakatipoteredza. Takadzidza izvi nenzira yakaoma makore apfuura. Aive nebasa rekugadzira nhevedzano yealuminium sensor housings, yakabata nzvimbo yechokwadi ye0.005mm. Midziyo yaive yakanaka mangwanani, asi pakati pemasikati, dzainge dzanyura. Zvakatitorera svondo kuti tizvitsvakire kumatembiricha emuchitoro achingokwira 4°C kubva mangwanani kuchitonhorera. Kuwedzera kwekupisa muchimiro chemuchina, chikamu, uye kunyange chishandiso chaive chakakwana kukanda zvese. Ndipo patakaita invest in full climate control for the machining floor. Iko mari yakakura, isina kunaka isingaratidzike mumabhurocha emuchina, asi haigone kutaurirana.
Zvadaro pane tool management. Kune kambani yakadai Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), iyo inogara ichigadzira michina yakaoma senge cobalt-based alloys, maturusi emidziyo haisi chiitiko chemutsara; ndiwo musiyano waunofanirwa kutarisira uye kutsiva mukuronga kwako. Iwe haugone kungomhanyisa chishandiso kutadza kana uchimhanyisa mamicrons. Isu tinoshandisa yakarongeka yehupenyu yekutarisa sisitimu, asi kunyangwe iyo inoda dhizaini yemunhu. Ruzha rwekuchekwa, kutaridzika kweiyo swarf-vane ruzivo machinist vanokudziridza pfungwa pazviri. Uku kusanganiswa kwemaitiro akaomarara uye yakaomeswa intuition inokuendesa iwe ipapo.
Uye kugadzirisa. Apa ndipo panoenda mabasa mazhinji nedivi. Iwe unogona kuve neiyo chaiyo spindle munyika, asi kana chikamu chikafambisa micron panguva inorema roughing pass, zvese hazvina maturo. Kune zvinhu zvakatetepa-madziro zvakajairwa mukudyara kwekudyara kwatinobata, kugadzira chigadziriso chinopa tsigiro yakasimba pasina kukonzeresa kushushikana kana kukanganisa imhando yehunyanzvi pachayo. Dzimwe nguva, dhizaini yekugadzira uye prototyping chikamu inotora nguva yakareba kupfuura iyo CAM programming.
Material Matters: The Wild Card in Precision
Iyo spec sheet ye yakakwirira chaiyo CNC machining kazhinji anofuratira maitiro enyama. Kushanda nemhando yeQSY inoita-kubva kune simbi dzakasiyana-siyana uye simbi kusvika kune dzimwe nyika nickel-based alloys-zvinoreva kuti hausi kungocheka simbi; uri kutaurirana nazvo. Chinhu chimwe nechimwe chine hunhu hwayo pasi pemucheki.
Tora 17-4 PH isina tsvina, yakajairika zvinhu zvakakwana. Mumamiriro ayo ekugadzirisa-akagadziriswa, ine gummy uye inoda kushanda-kuomesa. Kana mafeed ako uye kumhanya kwako kwakadzimwa nekamuti kadiki, hausi kungopfeka turusi; uri kugadzira nzvimbo yakaomeswa iyo inotevera pass ichanetsa nayo, kuunza vibration nekuuraya chaiko. Iwe unofanirwa kupinda pasi peiyo basa-yakaomeswa layer zvine hukasha, iyo inonzwa kupokana-intuitive paunenge uchiedza kunyatsoita. Sezvineiwo, kugadzira brittle cast iron ye hydraulic manifold inoda imwe nzira yekudzivisa micro-chipping kumicheto, iyo inogona kukanganisa chisimbiso.
Muedzo chaiwo unouya neakakosha alloys. Isu takagadzira batch yeInconel 718 turbine zvikamu gore rapfuura. Kushushikana kwakasara kubva mukuita mari yekukanda kwakakosha. Iwe waitora yakanaka yekutanga kucheka, chikamu chaizotaridzika chakakwana paCMM, wobva waipepetetsa, muchina kune rimwe divi, uye wotarisa uchitya sezvo ichitenderera. Iyo chaiyo yakarasika kwete panguva yekucheka, asi mushure mekushushikana kwemukati kwemukati kwakagoverwa zvakare. Mhinduro yaisanganisira maitiro akawanda-matanho: kutenderera-kuzorodza kutenderera mushure mekuomesera, ipapo semi-kupedza, kumwe kudzikamisa, uye pakupedzisira kupedzisa machining. Yakawedzera nguva uye mutengo, asi ndiyo chete nzira yekuvimbisa kugadzikana kwedimensional inodiwa. Izvi hazvisi mune chero chiyero machining bhuku rekushandisa; inodzidzwa kuburikidza nekudzokorora, uye dzimwe nguva, kukundikana.
Iyo process Chain: Kubva Kukanda kusvika Yakapedzwa Chikamu
Maitiro edu akabatanidzwa paQSY, anovhara ese ari maviri goko mold/investment casting uye in-house CNC machining, inopa yakasarudzika nzvimbo. Kurongeka kwechokwadi kunowanzotanga nguva refu chikamu chisati chamboiswa mumuchina weCNC. Kukandira zvisina kunaka kusingawirirani nemadziro ukobvu kana shrinkage yemukati ichakurwisa iwe nhanho imwe neimwe yenzira panguva yekugadzira, zvisinei kuti mugadziri wako akanaka sei.
Takaona kuti kushandirapamwe nevainjiniya kubva padanho reCAD kwakakosha. Zviri pamusoro pekugadzira manufacturability kubva kumativi ese. Semuyenzaniso, isu tinogona kupa zano rekuwedzera diki yekupira padhishi - nzvimbo inozogadziriswa mukuvhiya kwekupedzisira - kuti tive nechokwadi chekuti tine dhamu rakajeka, rinoenderana kune ese machining setups. Rudzi urwu rwekuchinjika-maitiro kuronga kunobvisa tsime rakakura rekusiyana.
Chimwe chinongedzo chakakosha ndeyekutanga-chinyorwa chekuongorora. Kana boka rekukanda richiuya kudhipatimendi rekugadzira, isu hatingofungidzire kuti modhi yeCAD ivhangeri. Ticha 3D-scan sampuli yekukanda kuti tigadzire iyo chaiyo-yepasi modhi. Izvi zvinobvumira vagadziri veCAM kuti vagadzirise nzira dzematurusi avo zvishoma kuti vazvidavirire kune misiyano midiki mune yekukanda's as-cast dimensions. Ndezvekuchinjira kune chokwadi, kwete kungotevedzera dzidziso yakanaka. Iyi nhanho yakachengetedza mabasa asingaverengeki kubva kumarara nekudzivirira chishandiso kubva pakutema-mhepo nekuti madziro aive akatetepa ne 0.5mm pane yezita, kana kuputsika nekuti yaive yakakora.
Kuyera Kwazvo: Iyo CMM Mutongi, Kwete Mubatsiri
Izvi zvingaite sekunyepa, asi kuvimba chete neCMM rondedzero yekusaina-musungo. Coordinate Measuring Machines anoshamisa, akakosha maturusi, asi anokupa mufananidzo, kwete iyo yakazara bhaisikopo. Chikamu chinogona kuyera zvakakwana paCMM's granite tafura asi inotadza kushanda. Isu tinotarisa kune inoshanda gauging pese pazvinogoneka.
Ndinoyeuka muviri wevharuvhu wakaoma une zviteshi zvemakona akawanda. Chirevo cheCMM chakaratidza kushivirira kwese kwenzvimbo kwaive mukati me0.01mm - mukati meiyo 0.02mm spec. Asi kana mutengi akaedza kuiunganidza, zvikamu zvekusangana zvairamba kuenderana. Nyaya yacho? Iyo CMM yaive ichiyera axis yega yega yakazvimiririra kubva kune datum chimiro. Iko kuunganidzwa-kwepamusoro kwemaminiti angular zvikanganiso mukati mechikamu, iyo CMM software yakagadziriswa nemazvo mudzidziso, haina kubata chaiyo-yepasirese kunzwa kwekuungana. Takapedzisira tagadzira simbi yakaoma inoshanda gauge yaitevedzera ma components chaiwo ekukwirana. Chikamu chaifanira kudzvanya mugeji nemanzwiro chaiwo. Iyo geji, kwete chirevo cheCMM, yakava murairi wekupedzisira wemhando.
Kupedzisa kwepamusoro ndeimwe chiyero chechokwadi icho chinowanzo taurwa zvishoma. Chikamu chinogona kuve chakakwana asi chine hurombo hwepamusoro kupera izvo zvinokonzeresa kupfeka zvakanyanya kana kudzivirira chisimbiso chakakodzera. Kune ma hydraulic components, isu tinowanzo tsanangura nekuona Ra uye Rz kukosha pane yakakosha yekuisa chisimbiso nzvimbo. Hazvisi zvekungotarisa chete; ndezvekuita. Izvi zvinoda musanganiswa wakakodzera wenzira yekushandisa, chishandiso mhino geometry, giredhi rekuisa, uye inotonhodza application - zvese zvakarongedzerwa kune chaiyo zvinhu kubva muongororo yeQSY, ingave ductile iron kana simbi isina tsvina.
The Human Element: Panomira Algorithm
Pakupedzisira, haugone kushandura kutonga. Iyo yakanyanya kuomesesa CAM software haigone kukuudza kuti imwe nzira yekushandisa, nepo ichishanda, ichagadzira kudengenyeka kweharmonic pane yakareba, yakatetepa chimiro. Izvo zvinobva kune anoshanda kana programmer akambozviona zvichiitika kare. Ruzivo rwechigaro-che-mabhurugwa ndicho chinovhara mukaha pakati pekukwana kwedhijitari uye chokwadi chemuviri.
Tinokurudzira tsika apo machinists anodyisa kune vanogadzira programmers. Chinyorwa sekushandisa trochoidal nzira pano panzvimbo peyakajairwa pocket routine, chishandiso chakataurwa pakumhanya kwekupedzisira iguruva regoridhe. Iyi yemhinduro loop, inowanzonyorwa pamufambi webasa kana kukurukurwa pamusoro pekofi, ndiyo inoramba ichinatsa maitiro edu. Inoshandura seti yemirairo kuita mhenyu, inovandudza system.
Saka, paunenge uchiongorora mutengesi we yakakwirira chaiyo CNC machining purojekiti, tarisa kupfuura rondedzero yavo yemuchina. Bvunza nezve kudzora kwavo kwemamiriro ekunze. Bvunza kuti vanogadzirisa sei kupfeka kwezvishandiso pane superalloys. Bvunza muenzaniso wemabatiro avakaita chikamu chehondo. Mhinduro dzavo dzichakuudza zvakawanda pamusoro pekugona kwavo kuburitsa nemazvo kupfuura chero bhurocha rinopenya rakambogona kuita. Zviri mune idzi gritty, unsexy details kuti chokwadi chaicho chinohwina kana kurasika.
