Kana mumwe munhu akati 'special stainless steel part,' hafu yenguva yavanenge vachiratidza chimwe chinhu kubva mubhaisikopo resci-fi, imwe hafu vanongoreva 316L. Ndiro gwapa rekutanga pakati pema spec sheets nekugadzira chaiko. 'Yakakosha' haisi giredhi chete; inhaurirano pamusoro pehupenyu hwese-kubva pamaitiro ealloy mucrucible kusvika pakuita kwayo pasi peimwe corrosive medium or stress cycle. Ndakaona madhirowa akawandisa apo iyo callout yenyaya ndeyekufunga kwekupedzisira, yakakopwa kubva kune yakare purojekiti, inotungamira kune nyika yemarwadzo panguva yekugadzira kana, zvakanyanya, mumunda. Basa chairo rinotanga kana iwe uchichera mune izvo zvinoita kuti rive rinokosha: ndiyo molybdenum yemukati yekuramba pitting, inodzorwa nitrogen yekusimba, kana chaiyo yekupisa yekupisa curve yeiyo mbiri-chikamu chimiro? Ndiko kune makumi emakore mubhizinesi iri, sepa Qingdao Qiangsenyuan Technology Co., Ltd.(QSY), kuverenga. Unovaka kunzwa kwazviri.
Iyo yakakosha muAlloy Soup
Ngatitaure alloys. 304, 316-aya ndiwo vanila. Iyo 'special' ndima inotanga nezvinhu zvakaita se17-4PH, 2205 duplex, kana iyo super austenitics se254 SMO. Asi kuvatumidza mazita kuri nyore. Hunyengeri kuziva kuti 'special stainless simbi chikamu' yakagadzirwa kubva 17-4PH haina kunyatsokosha kusvika yarova H1150 kana H900 mamiriro. Iyo machining zano reiyo mhinduro-yakagadziriswa nyika maringe neyakakura nyika yakasiyana zvachose. Ita zvisizvo, uye uchapisa kuburikidza nemidziyo kana kupinza madiki madiki. Takadzidza izvi kare nebatch yemadzinde evharuvhu. Iyo fungidziro yakati 17-4PH, asi chiitiko chekurapa kupisa chaive chisina kujeka. Takavagadzira vese mushure mekuchembera, tichifunga kuti ndiyo yaive yekupedzisira. Mutengi gare gare aida dhizaini tweak — groove iri nyore. Kuedza kugadzira machira iwayo ekare kwaityisa; mapfekero acho aiva emuchadenga. Aifanira kunge akasiya imwe stock yekupedzisira machining mushure mekuchembera. Chikanganiso chakakosha chinotaridzika sezviri pachena mukuona kwemashure.
Ipapo ndipo pane sourcing. Haasi ese akakosha Stainless anogadzirwa akaenzana. Kunyunguduka kubva kuMill A kunogona kuita zvakapusa zvakasiyana kubva kuMill B, kunyanya neiyo yakaoma super alloys. Kune yakakosha pombi shaft mune jekiseni remvura yemunyu, isu takasimbirira pakuteedzera kudzokera kunzvimbo yakanyunguduka uye chigayo chekuyedza chirevo. Mari yekuwedzera uye nguva yekutungamira yakasimudza tsiye pakutanga, asi yakabvisa shanduko patakatarisana nekutadza kwechishandiso panguva yekuchera kwakadzika gomba. Zvakazoitika, mutsauko mudiki mune zvesarufa zvemukati (mukati meiyo, asi padanho repamusoro) kubva kune yechipiri sosi yaikonzera. Isu isu tave takasarudzika kumatanho akavimbika ezvinyorwa kune chero chinhu chinopfuura 316, tsika yakasimbiswa pamusoro Nhoroondo ye QSY Makore makumi matatu ekukandira uye kugadzira.
Uye kuikanda? Ndiyo imwe layer. Kudira nickel-based alloy seInconel 625 mugoko regoko kune yakaoma, yakatetepa-madziro. inokosha Stainless simbi chikamu inyanzvi. Iyo fluidity yakasiyana, iyo shrinkage inonyanya kutaurwa, uye njodzi yekupisa kubvarura ndeyechokwadi. Iwe haugone kungoshandisa imwechete gating uye yekusimuka system yaungashandisa kabhoni simbi. Inoda simulation uye yakawanda foundry intuition. Takave nemugove wedu wemasumbu akaraswa kare, tichidzidza kuti tembiricha yepreheat ye mold uye kumhanya kwekudira kunoda kudhairirwa mukati nekunyatso fungidziro yezvishandiso izvi.
CNC Machining: Apo Dzidziso Inosangana Nechekucheka
Apa ndipo panosangana mugwagwa. Chero ani zvake anogona kutenga bara re super duplex stainless; kugadzira chikamu chaicho, chisina kushushikana kubva pairi ndiro dambudziko. Mutemo wekutanga: remekedza basa rakaoma. Austenitic uye duplex mamakisi anoda kuomarara uye kuomarara pasi pechishandiso chako chekucheka. Kana iwe ukatya nekudzika kwako kwekucheka kana kudyisa, unenge uchingokwiza nekudziisa pamusoro, uchigadzira iyo yakaomeswa layer inopwanya chishandiso chako chinotevera chekupfuura. Iwe unofanirwa kupinda pasi peiyo nzvimbo yekushanda-yakaomeswa. Hasha, kucheka kusingachinji kazhinji kunoshanda zviri nani pane kungwarira.
Inotonhodza haisi yekutonhodza chete; ndeyekuzora uye kubvisa chip. Kune mazhinji eaya anonamira alloys, yakakwira-kudzvanya kuburikidza-tool inotonhorera system haigone kutaurirana. Iyo inotyora chip uye inoibvisa kure nenzvimbo yakachekwa. Takadzidza izvi pane chirongwa che inokosha Stainless simbi chikamu-a turbine blade retention block kubva kuAlloy 718. Machipisi aive achizvisungirira pakuisa, zvichikonzera kutadza kukuru. Kuchinjira kune yakakwira-kudzvanya system uye kushandisa chaiyo, yakakwira-lubricity inotonhorera kugadzira yakachinja zvese. Chikamu chinopera chakavandudzika, uye hupenyu hwekushandisa hwakapetwa katatu.
Toolpath strategy inokosha kupfuura kufunga kwevanhu. Kugaya kunowanzo kufarirwa pane kugaya kwemazuva ose kuti basa rideredze kuoma. Asi kune zvikamu zvakatetepa-zvakakomberedzwa zvakajairika muinvestment cast zvikamu, iwe unofanirwa kufunga nezvekuoma. Dzimwe nguva unofanirwa kushandisa trochoidal milling nzira kana kugadzirisa stepover kuti utore kudzvanywa kwechishandiso uye kudzivirira chikamu kutsauka. Haisi chete nezve CAM software's default settings; zviri pamusoro programmer kuziva sei zvinhu zvichaita kusunda shure. Iyi ndiyo mhando yemaoko-on CNC machining ruzivo runoparadzanisa chitoro chebasa kubva kune nyanzvi.
Iyo Casting Foundation: Shell uye Investment
Zvizhinji zvezvikamu zvakakosha izvi zvinotanga sekukanda, kunyanya kune yakaoma geometries. Shell mold casting uye Investment casting chingwa chedu nebhota kuQSY. Kune isina tsvina, sarudzo pakati padzo inowanzodzika kusvika kuvhoriyamu, kupera kwepamusoro, uye kushivirira kwedimensional. Kuumbwa kweShell kwakanakira kumhanyisa kwakakura kwezvimwe zvikamu zvakaoma, asi kune izvo zvakaomesesa zvinhu - funga mapeller ane mashizha akafukidzwa, kana mabhuroko akawanda ane nzira dzemukati - kuisa mari ndiyo nzira chete.
Asi heino nuance: iyo ceramic goko rekukanda rekudyara rinogona kupindirana neiyo alloy. Kune alloys akakwira-tembiricha akapfuma mune reactive zvinhu zvakaita setitanium kana aruminiyamu, iwe unoda yakakosha bhachi rechiso (senge yttria-based slurry) kudzivirira kemikari inoparadza kupera kwepasi. Isu takawana izvi nenzira yakaoma pakutanga kumhanya kwecobalt-based alloy zvikamu. Paso pacho pakabuda paine gomba uye rough, ichida kugadzirwa kwakanyanyisa uye kunodhura. Kugadzirisa kwaive mudanho rekutanga: iyo ceramic kuumbwa. Ikozvino ndiyo yakajairwa cheki pane yedu process sheet ye reactive alloys.
Dimensional control ndechimwe chikara. Iyo shrinkage factor ye17-4PH chikamu chakasiyana neiyo ye316 chikamu, uye haina mutsara. Inogona kusiyanisa nehupamhi hwechikamu. Isu tinochengetedza yakakura mapatani dhatabhesi uye ekugadzirisa zvinhu, akavakwa kubva pakuyera mazana ekutanga-chinyorwa castings. Zviri empirical, kwete dzidziso chete. Kana mutengi achititumira chinyorwa chitsva inokosha Stainless simbi chikamu, hatisi kungotarisa zvimiro zvekupedzisira; isu tiri kuverengera mupfungwa chiyero chepateni, iyo inotarisirwa kukanganisa, uye kwatichazoda kuwedzera machining stock. Kutamba kunodzokera shure.
Kukundikana iData Point
Iwe haudzidze kubva pakumhanya kwakakwana. Iwe unodzidza kubva kune avo vanoenda kumativi. Ndinorangarira batch remiviri mikuru yevharuvhu mu2205 duplex. Vakapasa ese ma dimensional cheki uye iyo PMI (Positive Material Identification). Asi mukuyedzwa kwekumanikidza, vashoma vakaratidza micro-leak pane yakakosha weld junction. Mupari wemhosva? Ferrite-austenite phase balance yakanga yadzimwa. Kupisa kwekupisa mushure mekunama kwainge kusina kunyatsonaka, zvichisiya nzvimbo ine ferrite yakawandisa, zvichikanganisa kusaita ngura uye kuvimbika. Zvinhu zvacho zvaive zvehunyanzvi 2205, asi 'special' midziyo yayo - iyo yakaenzana chikamu chimiro - yakarasika munharaunda. Taifanira kuvandudza yedu post-weld kupisa kurapwa protocol kune gobvu-chikamu duplex welds. Ikozvino, isu tinowanzo tsanangura uye kuita interpass tembiricha control uye post-weld mhinduro annealing yeakakosha welds pane izvi zvinhu.
Kumwe kutadza kwechinyakare ndiko kunyanya kutaura. Mutengi akambosimbirira paAlloy C276 (yakanakisa nickel-based alloy) yechikamu chakafumurwa kune yakapfava acidic nharaunda pakamuri tembiricha. Kwakanga kuri kuwandisa kukuru. Isu takakurudzira 904L super austenitic, iyo ingadai yakaita zvakakwana pahafu yemutengo wezvinhu uye kuve nyore muchina. Dzakanga dzakagadzirirwa pazvinhu zvakanakisisa. Isu takazviita, ivo vakabhadhara mari yekutanga, asi yaive sarudzo yakaipa yeinjiniya. Chikamu chebasa redu kubvunza, kusundira kumashure zvinyoro nyoro nedata. Dzimwe nguva unokunda iyo hurukuro, dzimwe nguva hauite, asi iwe unofanirwa kuedza.
Izvi zviitiko, zvakanaka uye zvakaipa, ndizvo zvinozivisa maitiro nhasi. Paunotarisa kugona kwakanyorwa pane saiti senge https://www.tsingtaocnc.com, kuseri kwemutsara wega wega-special alloys, CNC machining, investment casting-kune zana nyaya dzakadai. Haasi masevhisi chete; vanodzidzwa, uye dzimwe nguva vanowana zvakaoma, maitiro.
The Realistic Deliverable
Saka, mutengi anowanei chaizvo kana akaraira chokwadi inokosha Stainless simbi chikamu kubva kune vertically integrated maker? Havasi kungotenga chimedu chesimbi chakaumbwa kuva mufananidzo. Vari kutenga iro zano rekusarudza zvinhu (kana kusimbiswa), hunyanzvi hwekukandira zvine mutsindo, machining kuziva-nzira yekuicheka nemazvo pasina kukonzeresa kushushikana, uye macheki emhando inodarika caliper- senge PMI, PT, RT, kana corrosion test kana zvichidikanwa.
Kupedzisa kwakakosha. Girazi regirazi rinogona kunge riri rezvizoro, asi Ra kupedzisa (inoti, 0.8μm) panzvimbo yekuvharisa inoshanda. Kune zvikamu munzvimbo dzechloride, passivation inofanirwa kukwirisa passive oxide layer. Asi kupfuudza duplex Stainless simbi kunoda akasiyana nitric acid yekugezera uye tembiricha pane yakajairwa austenitic. Ita zvisizvo, uye unogona kukonzeresa corrosion.
Pakupedzisira, kunobva pakubata mashoko acho noruremekedzo kubva pakutanga kusvikira pakupedzisira. Kubva panguva iyo alloy inosarudzwa, kuburikidza nechitoro chemuenzaniso, pasi pekutanga, michina yeCNC, uye kuongorora kwekupedzisira, nhanho imwe neimwe inoda ruzivo rwezvinoita kuti simbi isina tsvina 'yakakosha.' Haasi mashiripiti; isimbi, makanika, uye kutarisisa kwakawanda kune zvakadzama. Ndizvo zvinoshandura kurongeka kwekutenga kuva chikamu chakavimbika chinoita mumunda kwemakore. Uye ndiyo chete mhedzisiro inonyanya kukosha.
