Paunonzwa 'stainless simbi yekukandira jecha muvambi,' pfungwa zhinji dzinosvetuka dzakananga kune hombe, hutsinye hwekukandira kwemichina inorema. Icho ichokwadi, asi zvakare ndiyo yakanyanya kurerutsa basa. Nyaya chaiyo haisi yekungodira simbi muvhu rejecha; ndezvekutonga hondo pakati pemvura inoshanduka, metallurgy, uye kusatarisika chaiko kwejecha. Chipikirwa chechikamu chakaoma, chisingadziviriri chinogara chichipesana nehuchokwadi hwe shrinkage porosity, kugumira kwepamusoro pekupedzisira, uye kurwisa kusingaperi kurwisa inclusions. Ndakaona akawanda madhizaini achipinda ayo akakwana pakukandira kwekudyara asi hope dzejecha, nekuda kwekuti misiyano hainzwisiswe kumberi.
Ijecha pacharo iProcess
Zvinotanga ne mold, zviri pachena. Asi jecha regirini rinopesana nejecha rakasungirirwa resin haisi sarudzo chete; kuzvipira kune imwe seti yematambudziko. Isu tinoshandisa yakawanda furan no-bake yebasa redu risina tsvina pachitoro. Kugadzikana kwedimensional kuri nani kune zvikamu zvakakura, zvinorema zvatinowanzobata nazvo, sedzimba dzepombi kana miviri yevharuvhu. Asi kutengesa-off ndiko kupisa gasi. Kana kufefetedza kwenzvimbo yekugezera kusingaonekwi, kana musanganiswa wejecha wakadzimwa nechidimbu, unowana pinholing panzvimbo yekukanda inotaridzika zvakanaka mushure mekuzunza asi ichitaridza sehurema panguva yekugadzira. Kukundikana kunonokerwa, rudzi rwakaipisisa.
Ipapo pane hunhu hwejecha hwekupisa. Stainless, kunyanya mazana matatu akatevedzana senge 304 kana 316, anodururwa patembiricha yepamusoro uye ane refu kusimba renji. Ijecha rinoda kutsungirira kupisa ikoko risinganyanyi kukoromoka nekukasira kukonzeresa kukukurwa, asiwo risingaome zvekuti rinotadzisa kusimba uye rinokonzera kubvaruka nekupisa. Icho chiito chekuenzanisa. Ini ndinorangarira batch yeCF8M (316 yakaenzana) mavharuvhu egedhi isu takamhanya. Matangiro ekutanga aive nemisodzi inopisa isingachinji pamunosangana pakati peflange nemuviri. Isu takaitsvaga kumashure kwete kune patani kana gating, asi kune yekudzorera jecha reshiyo yakakwira zvakanyanya. Jecha rakanga ratorasikirwa nerefractoriness yaro yepakutanga uye raibvisa kupisa zvakanyanya zvisina kuenzana. Musanganiswa mutsva wejecha wakaugadzirisa. Ndiko kudyidzana kwechikamu chenyama chaunongodzidza nekupisa kuburikidza nemarara.
Uye kudzorera imhuka yayo pachayo. Iwe haugone kungoramba uchidzokorodza jecha nekusingaperi kuti uite basa risina tsvina. Mafaindi anovaka, iyo binder chemistry inodzikisira, uye unotanga kutora silicate inclusions musimbi. Isu tine hutongi hwakasimba hwekuyedza LOI (Kurasikirwa paIgnition) uye kuongorora skrini. Kurega iyo siraidhi inzira yekumhanyisa kune isingaenderane mhando. Haisi basa rinoyevedza, kutarisa jecha zuva rose, asi inonyanya kukosha kune yekupedzisira yekukanda kutendeseka kupfuura chero chimwe chinhu chimwe chete.
Gating, Kudyisa, uye Hondo yeShrinkage
Wese munhu anotaura nezve simulation software izvozvi, uye isu tinoishandisa. Asi kune yakaoma tsvina yejecha castings, igwara, kwete evhangeri. Iyo software inogona kukuratidza iyo thermally inonzwika inosimuka sisitimu, asi haigone kunyatso tsanangura kuti iyo austenitic chimiro chesimbi isina tsvina inosimba sei. Inoda kuumba ganda rakasimba, rakabatana kare, iro rinogona kutsaura simbi yemvura mukati uye kugadzira yakaoma shrinkage porosity pakati pechikamu chakakora. Chikanganiso chekare ndechekuramba uchiwedzera ma risers makuru. Izvo kazhinji zvinongogadzira nzvimbo inopisa uye inofambisa shrinkage cavity kutenderedza.
Manomano, akadzidzwa kubva kune zvakawanda zvakadururwa, zvakakamurwa zvimedu, kazhinji muchando. Kunze kutonhora kwesimbi ishamwari yako yepamoyo yekusimudzira yakananga kusimba mune isina tsvina kukanda jecha. Tichaaisa pamaboss anorema kana maflange kuti abudise kupisa nekukasira, zvichimanikidza kusimba kwemberi kuti idzokere shure yakananga kunosimudzwa. Asi iwe unofanirwa kuve wakarurama. Kana kutonhora kuchinyanya kurema kana kushamwaridzana zvakanyanya, zvinogona kukonzera kutsemuka kunopisa kana shanduko huru yemicrostructure panzvimbo iyoyo. Ihwo hunyanzvi hwekubatika - kuziva saizi chaiyo uye kuiswa kunobva pakucheka kutadza kwako uye kuona chaipo pakaumbwa network yeshrinkage.
Gating dhizaini imwe nzvimbo iyo dzidziso inosangana nepasi rechitoro. Iwe unoda sisitimu inozadza mold nekukurumidza uye zvine mhirizhonga zvakakwana kuti udzivise mistruns, asi isingaite mhirizhonga zvekuti inopinza slag kana kukoromora mold yejecha. Kune isina tsvina, iyo ine tsika yekugadzira maokisi, isu tinowanzo shandisa ceramic mafirita mune gating system. Asi kunyange zvakadaro, kuiswa kunokosha. Sefa iri pedyo zvakanyanya negedhi inogona kutonhodza simbi zvakanyanya; kure zvakanyanya, uye hazvishande. Isu takamisikidza pane yakatsika, tapered runner bar ine sefa sleeve kune mazhinji ezvikamu zvedu zvakakura. Yakanga isiri kubva mubhuku; yaive mhedzisiro yekudzokorodza pane dzakatevedzana dzekukandira kune marine fittings mutengi izvo zvairamba zvichitadza kuongorora kwavo radiographic.
Material Nuances Kupfuura 304 uye 316
Mivhunzo yakawanda ndeye 304 kana 316. Ndicho chingwa nebhata. Asi matambudziko chaiwo uye basa rinonakidza rinouya nemagiredhi maviri senge 2205, kana iyo yakakwira-alloy zvinhu. Duplex simbi isina tsvina yekukanda jecha imhuka yakasiyana. Zvinoda yakanyatsodzorwa kutonhora kutonhora kuchengetedza iyo ingangoita 50/50 austenite-ferrite chikamu chechiyero. Itonhodze zvishoma nezvishoma kubva pakudururira tembiricha, uye unowana yakawandisa ferrite, zvichikanganisa kusanzwa nekuora uye kuoma. Isu taifanira kugadzira yakananga yekutonhodza protocol yeseti ye2205 yekumanikidza ngarava misoro, inosanganisira inodzorwa nguva yekuzununguka uye dzimwe nguva kunyange yekumanikidza mhepo kutonhora panzvimbo yekukanda ichiri muforoma. Kupisa kwekupisa mushure kwakakosha, asi hwaro hunoiswa panguva yekusimba uye kutonhora mujecha.
Zvadaro pane alloys anokosha. Taita basa nemamwe nickel-based alloys anowira pasi peamburera isina stainless yekudzivirira ngura. Izvi zvinowanzodirwa muvacuum kana pasi pemamiriro ekudzivirira, asi kune mamwe maapplication, inodzorwa zvakanaka kukanda jecha kunotsanangurwa. Iyo fluidity yakasiyana, iyo shrinkage zvinhu zvakasiyana, uye maitiro ane mold zvinhu zvinonyanya kutaurwa. Zvinokumanikidza kudzokera kumisimboti yekutanga. Iwe haugone kuvimba nemaitiro ako akajairwa. Kambani yakadai Qingdao Qiangsenyuan Technology Co., Ltd.(QSY), neruzivo rwavo rwakataurwa mune alloys akakosha, vaizonzwisisa izvi zvakadzama. Harisi bhizinesi reparutivi; iri chirango chakasiyana chose mukati me foundry. Nhoroondo yavo refu, sezvakacherechedzwa pane yavo saiti tsngtaocnc.com, mukubata cobalt uye nickel-based alloys ingave yakananga asset pakubata mapurojekiti akadaro mujecha, kwete mukukanda mari chete.
Apa ndipo panobatanidzwa modhi a foundry ine-mumba machining, senge QSY yekumisikidza, inoita pfungwa huru. Iwe unokanda chikamu chinonetsa chepamusoro-chiwanikwa mujecha. Zvinenge zvisingaite kuti uwane ese akakosha dimension akakwana kune machining. Kuve netimu yekugadzira mune imwechete loop, kunzwisisa iyo yekukanda ingangove kukanganisa uye kubvumidzwa kwemasheya, kwakakosha. Ivo vanogona kupa mhinduro kune yekutanga timu pane yekuwedzera imwe stock kana panoonekwa hurema hwepamusoro. Iyo inovhara iyo yemhando loop nenzira inoparadzanisa yekukanda uye zvitoro zvemuchina zvinonetsa kuwana.
Iyo Finish Line Ingori Kutanga
Shakeout uye cutoff ndiko kunonyanya kunetseka. Iwe wakamirira maawa kuti kukanda kutonhore, uye ikozvino wazviona. Chinhu chekutanga chatinoita hachisi cheki yedimensional; inoonekwa uye inonzwika. Mhete yakajeka, inopinza kubva papombi yesando yakapfava chiratidzo chakanaka chekunzwika. Kutinhira kusinganzwisisike kunodzima mabhero ekudzikira kwemukati. Ipapo kunouya kukuya. Stainless basa-inoomesa, saka kukuya magedhi uye risers inzira yekungwarira. Unoda maturusi akapinza, akatsaurirwa uye kubata kwechiedza kudzivirira kupinza zvinosvibisa kana kugadzira nzvimbo dzine kupisa dzisingakwanise kubviswa gare gare.
Kurapa kwekupisa hakugoneke kune akawanda majecha ejecha. Kune austenitics, imhinduro anneal uye kudzima zvakare kunyungudutsa carbides uye kudzoreredza kusagadzikana kwekuora. Asi kudzima kunokosha. Kudzima mvura kunokurumidza uye kunoshanda asi kunogona kukonzera kukanganisa kana kutsemuka pazvimiro zvakaoma. Kune zvikamu zvakakora kana dhizaini yakaoma, isu tinowanzo sarudza yekumanikidza mhepo kudzima kana kunyange polymer kudzima. Inononoka, asi inoderedza kushushikana. Unogara uchiyera njodzi yekukanganiswa uchitarisana nenjodzi yekutadza kuita ngura. Chikumbiro chemutengi chinoraira sarudzo.
Pakupedzisira, humbowo huri mukuyedzwa. Kune zvikamu zvakakosha zvesevhisi, tiri kuita PMI (Positive Material Identification), kuyedza mvura inopinda mukati, uye kazhinji radiography. Uyu ndiye mutongi wekupedzisira wezvese sarudzo dzako dzemaitiro mu simbi isina tsvina yekukanda jecha process. Radiyogirafu yakachena pane inorema-chikamu chevhavha muviri kukunda kudiki. Zvinoreva kuti jecha rakanga rakarurama, gedhi rakashanda, chando chakaiswa zvakanaka, uye simbi yakanga yakachena. Kashoma kuitika netsaona. Ndiwo mhedzisiro yekudzora zana akasiyana, mazhinji acho asingaonekwe kusvika panguva yaunodurura, uye mamwe acho anongozviratidza mazuva gare gare mumushumo webvunzo.
Nei Zvichiri Zvichikosha
Mune zera rekukanda kwekudyara kwepamberi uye 3D kudhinda, yakakura-chiyero simbi isina tsvina yekukanda jecha inoramba isingatsivike kune zvimwe zvinhu. Iyo sheer saizi kugona - zvikamu zvinorema matani akati wandei - chimwe. Asi zvakanyanya kujeka, ndiko kuchinjika. Pateni inogona kugadziridzwa nekukurumidza uye zvakachipa kana ichienzaniswa neyakaoma tooling. Kune yakaderera-kusvika-yepakati vhoriyamu inomhanya yezvikamu zvakakura, kana kune prototypes apo iwe unofanirwa kuyedza chaiyo simbi uye huwandu hwechigadzirwa chekupedzisira, jecha rekukanda ndiyo yega sarudzo inoshanda.
Ramangwana, ndinofunga, riri mukubatanidza chirongwa chechikoro chekare nekutonga kwechikoro chitsva. Zvirinani jecha rinowedzera, chaiyo-nguva yekutarisa tembiricha panguva yekudururwa, uye yakanyanya kuomarara isinga paradza yekuongorora. Chinangwa hachisi chekuita kuti chitaridzike seimwe nzira; ndeyekuita kuti kukanda kwejecha kuve kunofanotaurwa uye kuvimbika maererano nezvarinotaura. Dambudziko guru-kuchera simbi yemvura mune yakaunganidzwa mold-ichagara iripo. Ndiko hunyanzvi hwayo.
Saka kana uri kutarisa a Stainless simbi jecha rokukandira foundry, usangotarisa rondedzero yavo. Vabvunze nezve data ravo rekutonga jecha. Bvunza kuti uone macro-etched samples ezvikamu zvavo zvinorema. Bvunza kuti vanobata sei kutonhora kwe duplex mamakisi. Mhinduro dzichakuudza zvakawanda nezve kugona kwavo kupfuura chero bhurocha. Iyo inosemesa, yakaoma, uye yakadzama yemuviri maitiro, uye zvitoro zvakanakisa zvinombundira kuomarara ikoko pane kunyepedzera kuti haipo.
