Paunonzwa 'alloy precision machining', pfungwa zhinji dzinosvetuka dzakananga kumuchina — ichangoburwa 5-axis CNC, iyo sub-micron kushivirira. Ndicho chikamu chazvo, chokwadi, asi chikamu chiri nyore. Nyaya chaiyo inotanga kare pamberi penzira yeturusi, nemashoko acho pachawo. Ndakaona mapurojekiti akawandisa achigumburwa nekuti mumwe munhu akaraira block yeInconel 718 kana Hastelloy C-276 achifunga kuti i''harder simbi'. Hazvisizvo. Icho chikara chakasiyana zvachose, uye kuchigadzira iko kutaurirana, kwete murairo.
Nheyo: Inotanga neKukanda
Iwe haugone kutaura nezve machining exotic alloys pasina kutaura nezvekuti iwe unowana sei stock. Billet yakakwana kubva pachigayo chinhu chimwe chete, asi zvakawanda zvezvinhu zvakaoma, kunyanya kune maindasitiri senge mavharuvhu kana turbo muchina, anotanga sekukanda. Apa ndipo panowanikwa hukama pakati peiyo foundry nechitoro chemuchina. Kukandira kwakashata, nekusawirirana kwezviyo chimiro kana yakavanzika micro-porosity, ichaparadza maturusi ako uye hurongwa hwako zvisinei nekuti machinist wako akanaka sei.
Ndinorangarira basa makore mashoma kumashure, nhevedzano yepombi dzimba mune duplex stainless. Madhindi akafona alloy precision machining pazviso zvose zvakanamirwa. Iwo ma castings akauya kubva kune mutengesi akatarisana nemutengo, kwete maitiro. Mukuona, vakanga vakanaka. Asi panguva yekutanga inorema roughing pass, isu takarova jecha kubatanidza. Ipapo mumwe. Mainsert aiita kubhowekana kunge anopenga. Isu takapedza nguva yakawanda tichiongorora uye nekugadzira / kugadzirisa macastings pane kunyatsoagadzira. Chidzidzo chacho chaive chehutsinye: kugona kwako kugadzira kunovharirwa nemhando yako yemhando. Ichi ndicho chikonzero mabasa akabatanidzwa ane mupendero. Kambani inodzora zvese kukanda uye kugadzira, senge Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), inogona kuenzanisa maitiro kubva pakutanga. Makumi matatu avo emugoko uye kukanda mari kunoreva kuti vari kuvaka chikamu chekugadzira kubva padanho repateni, inova yekutanga musoro kune machinist.
Synergy iyi haigone kutaurirana special alloys. Iine cobalt kana nickel-based alloys, ayo anowanzo kukandwa padhuze-mambure zvimiro kuchengetedza pamutengo unotyisa wezvinhu zvakaraswa, kutendeseka kwekukanda ndizvo zvese. Chero hurema hwemukati hunova chimbambaira chemadhora mazana maviri ekupedzisira.
Iyo Tooling Dhanzi: Hapana Universal Solution
Iko hakuna mashiripiti 'super-alloy' isa giredhi. Chero ani anoti ari kutengesa chimwe chinhu. Kugadzira nickel-based alloy yakafanana neInconel 625 inyika yakasiyana kubva pakugadzirisa cobalt-chrome alloy seStellite 6. Iyo yekare yekushanda-inoomesa semapenzi, inoda nguva dzose, kubatanidzwa kwehasha kuti ipinde pasi pevhu rakaoma. Iyo yekupedzisira ndeyekunyanya kupfeka abrasive; inongozvikuya zvishoma nezvishoma kusvika kunub.
Takadzidza izvi kuburikidza nekuedza uye kukanganisa kunodhura. Kune batch yezvigaro zvevharuvhu muStellite, takatanga neyedu yepamusoro-inoshanda carbide yenickel alloys. Zvishandiso zvakatora anenge maminitsi gumi nemashanu. Kuchinjira kugiredhi ine substrate yakanyanya kuoma, isingaite abrasion uye inopinza kumucheto gadziriro. Hupenyu hwakapetwa katatu. Zvinonzwika zviri nyore mukutarisa, asi switch iyoyo yaida shanduko mukufunga: isu takanga tisiri kucheka, takanga takafanana nekudzora fracturing. Inotonhorera kumanikidza uye kutumira kunove kwakanyanya pano zvakare. A through-spindle system haisi yeumbozha; ndiyo chete nzira yekudzivirira kupisa kuwanda uye kusuka machipisi abrasive.
Iyo setup inonyanya kukosha senge chishandiso. Kuomesa musoro hakusi kungokurudzira; murayiro. Chero chatter mune cobalt alloy haingoparadze kupedzisa, ichatanga kutsemuka kunogona kuparadzira. Isu tinoshandisa monolithic maturusi emidziyo chete yekupedza basa, hapana collet chucks. Mari yekuwedzera haina basa kana ichienzaniswa nekurasa chikamu changa chatova nemaawa makumi maviri ekugadzira chakanyura machiri.
Kukurumidza vs. Kugadzikana: The Eternal Trade-off
Bhuku rekushandisa rinodyisa uye nekumhanya kwezvinhu izvi kazhinji ... tariro. Kana kuti ndeemamiriro akanaka, kusungirira kwakakwana, maturusi emuchina mutsva. Pauriri hwechitoro, unoifona zvakare. Ndoda kumhanya pa70% ye theoretical SFM ndowana fungidziro, yakavimbika 8-awa yehupenyu hwematurusi pane kusundira kubviswa kwesimbi kwakanyanya uye kuve nechishandiso chinokundikana zvine njodzi na3 AM. Consistency inokwidza kumhanya mbishi mukati precision machining. Chinangwa ndechekurova izvo zvegumi (.0001) tolerances pabore, kwete kuhwina kumhanya nhangemutange.
The Human Factor: Data uye Instinct
CNC machining ndeye otomatiki, asi kumhanya alloys hakusi. Mugadziri anofanirwa kunzwisisa maitiro echinyorwa, kwete iyo G-kodhi chete. Mushandi anofanirwa kuteerera kuchekwa - ruzha rwenickel alloy inotanga kushanda-yakasimba ine chaiyo, yakakwira-pitched whine zvinoreva kuti unofanirwa kugadzirisa, ikozvino. Iwe tarisa iyo chip color uye fomu. Blue machipi pane Stainless? Kupisa zvakanyanya. Akareba, ane tambo machipisi paInconel? Chip breaker yako haisi kushanda; gadzirirai matendere eshiri uye kuchekazve.
Apa ndipo panobhadhara ruzivo kubva kune yakakura material base. Chitoro chinobata zvinhu zvese kubva kusimbi kusvika kune superalloys chinogadzira raibhurari yemasikirwo. Ivo vanoziva kuti 316L isina tsvina ine tsika yeku 'gum kumusoro' pachishandiso, ichida rakasiyana rake angle. Vanoziva kuti pre-kupisa titanium alloy kukanda pamberi pekugadzira kunogona kuderedza kushushikana uye kudzivirira kukanganisa post-machining. Izvi hazvisi nguva dzose mubhuku rekushandisa; iri muruzivo rwakagoverwa pasi. Kambani yakaita seQSY, ine nhoroondo yayo mukati simbi, simbi, Stainless simbi, uye alloys anokosha, sezvingabvira ane udzame ihwohwo hworuzivo rwedzinza rwakavakwa pamusoro pemakore 30. Ndiyo mhando yechinhu chausingakwanise kutenga nemuchina mutsva.
Zvinyorwa zvakakosha, asi ndezvemunhu. Isu tinochengeta mapepa ekumhanya ega ega alloy basa-kwete chete ekupedzisira akabudirira paramita, asi akatadza kuedza futi. Yakaedza kuisa giredhi XYZ, yakundikana pa0.015 DOC nekuda kwekuchekerera. Chinyorwa ichocho chinochengetedza mukomana anotevera chiuru chemadhora mukushandisa uye maawa mana ekuzorora.
Kunyatsojeka muChinyorwa: Chii Chauri Kunyatsogadzira?
Precision haisi nhamba isinganzwisisike. Inotsanangurwa nebasa rechikamu. Iyo turbine blade inogona kunge iine kushivirira stack-up pane yayo airfoil profile iyo inopenga, asi iyo inokwirisa flange inogona kunge yakasununguka. Kurongeka kwechikamu chevharuvhu kune zvese nezvenzvimbo yekuvharira uye nebore concentricity; mamwe maficha anogona kusanyanya kukosha. Iwe unogovera yako machining zano uye kushivirira bhajeti zvinoenderana.
Ndakashanda pane chimwe chikamu chepombi yekugadzira makemikari, impeller huru muHastelloy C-22. Kumira kwezviyero pavaneshi kwakanga kwakaoma, asi dambudziko chairo rakanga riri kupera kwepamusoro mundima dzomukati. Chero micro-pitting kubva kuhurombo hwematurusi control inozoita saiti yekuora uye kutanga kutsemuka. Takapedza nguva yakawanda tichishandisa nzira yekushandisa yekupedza kupfuura pane iyo yese roughing kutenderera. The CNC machining zano rakavakwa kumashure kubva kune icho chekupedzisira chepamusoro chinodiwa chekuvimbika.
Apa ndipo apo kubatanidzwa kwekukanda uye machining kunoratidza kukosha kwayo zvakare. Kana iyo yekutanga inogona kukanda nzvimbo yakatsetseka mune izvo zvakaoma zvemukati ndima, basa remachinist rinogoneka. Kana vasingakwanisi, iwe unogona kunge uchitarisa EDM kana kunyange kupukuta maoko, izvo zvinoputika mutengo uye nguva yakatarwa zvakasiyana. Idambudziko rehurongwa.
The Pazasi Mutsara: Dzora Variables
Pakupera kwezuva, kubudirira alloy precision machining iri pamusoro pekudzora akawanda akasiyana sezvaunokwanisa. Iwe unotanga nekudzora kunaka uye kuenderana kweiyo mbishi - ingave iri bhawa stock kana yakaoma kukanda. Iwe unodzora maitiro nekusarudza maturusi uye paramita zvichienderana neyakajeka alloy maitiro, kwete general misimboti. Iwe unodzora nharaunda neyakaomarara setups uye kutonhora kunoshanda. Uye iwe unodzora mhedzisiro nevanhu vane ruzivo vanogona kududzira data uye kuita.
Harisi basa rekuisa-izvo-uye-kukanganwa-iro. Iko kunogara kune itsva alloy musiyano, yakanyanya kuoma geometry, kushivirira kwakasimba. Zvitoro zvinogara, izvo zvinogona kuvimbika kuendesa chikamu chinoshanda kubva pakudhindwa kwecobalt-based alloy, ndiyo inoremekedza ketani yese, kubva pakunyungudika kusvika pakuongorora kwekupedzisira. Havangori vemichina; ndivo varidzi maitiro. Uye iyo nzira, kutaura chokwadi, ndiyo yauri kunyatso bhadhara.
