Paunonzwa 'giravity die casting components', mufananidzo wekutanga unowanzoitika ndeweaya asina chaanopomerwa, anopenya aruminiyamu zvikamu, zvinenge zvabuda muforoma yakagadzirira imba yeshow. Ndiyo bhurocha rinopenya. Chokwadi, kugayiwa kwezuva nezuva kwayo, inhaurirano yenguva dzose pakati pemagadzirirwo akakodzera nefizikisi yakasindimara yesimbi yakanyungudutswa. Haisi kungodira simbi muforoma yesimbi nekumirira; ndezvekutonga kupisa, kutarisira shrinkage muzvikamu zvakati, uye kuziva kuti gating system yawakapedza vhiki uchigadzira inogona kunge ichiri kuda tweak pane yechishanu kugadzirwa. Vazhinji vanofunga kuti ndiyo hama yakareruka yekukanda-kudzvanya kufa, asi iko kushomeka ndipo panotangira nyaya dzemhando yepamusoro. Hukuru hwemaitiro acho ndeechokwadi, asi kutonga kunodiwa hakuna chinhu kunze kwekungoita.
Iyo Core Kusanzwisisa: Zvese Nezve Mold
Kunyanya kutarisisa kunoiswa pakufa pachayo-iyo H13 simbi, nzira dzekutonhora, iyo polish. Don't get me wrong, precision-machined die ndiyo yekutanga block. Asi ndakaona kufa kwakakwana kuchigadzira zvimedu nekuti pre-heat tembiricha yakadzimwa ne30°C, kana nekuti nguva yekufambisa ladle yakaunza mhirizhonga yakawandisa. Iyo inofa inogara iripo; maitiro akasiyana ndivo vatambi chaivo. Kuchitoro chedu, tinoisa zvese: kufa temp kunzvimbo dzakasiyana, simbi yekudururira temp, nguva yekutenderera, kunyangwe hunyoro hwepakati pane imwe yakakosha. giravhiti kufa kukanda zvikamu zvekushandisa marine. Iyo data log yakakosha kupfuura kufa kudhirowa dzimwe nguva.
Semuenzaniso, takashanda pane akatevedzana mabhuraketi ezvivakwa zvemotokari isiri-mugwagwa. Dhizaini yaive neaya akakora anokwirisa lugs achichinjika kune akatetepa, yakafara webhu. Kufa kwaive kwakanaka. Mapfuti ekutanga? Porosity chaipo pamharadzano, nguva dzese. Nyaya yakanga isiri mombwe; kwaiva kutevedzana kwekusimbisa. Zvikamu zvakakora zvakaramba zvichipisa, zvichidya kubva pachikamu chakaonda icho chakatanga kusimba, chichisiya shrinkage voids. Isu takazvigadzirisa kwete nekugadzirisa iyo difa, asi nekuwedzera yenzvimbo yemhangura inopinza mufa pazvikamu zvakakora uye kugadzirisa kona yekudira kushandura nzira yekuyerera kwesimbi. Yakawedzera mutengo uye nguva yekutenderera, asi yakachengetedza chikamu. Ndicho chokwadi-kugadzirisa matambudziko asiri mubhuku.
Apa ndipo panonyatso taurira chiitiko chemugadziri ane zvinhu zvakasiyana. Isu tinomhanyisa yakawanda yealuminium A356, asi kune yakakwirira-simba zvinodiwa, isu tinochinja kune alloys seA357 kana kutopinda muzinc alloys kune iyo application. Mumwe nomumwe anoita zvakasiyana pasi pesimba rinokwevera zvinhu pasi. A356 inoregerera; A357 inonyanya kunzwa kune kutonhora mitengo. Iwe unodzidza izvozvo nekuparadza mabheti mashoma, kutendeseka. Shamwari yakadai Qingdao Qiangsenyuan Technology (QSY), vane makore makumi matatu ekumashure mugoko uye kuisa mari, vanowana izvi nemasikirwo. Vanonzwisisa kuti simbi ine ndangariro uye ndangariro, ingave yakadururwa pasi pesimba rinokwevera zvinhu pasi, vacuum, kana kuti kumanikidzwa. Kuti ruzivo rwekuchinjika igoridhe.
Apo Machining Inopindirana neKukanda
Ichi ndicho chigadziro chakakosha chinotaridzirwa pamusoro. Iwe haugone kutaura nezvazvo giravhiti kufa kukanda zvikamu pasina kutaura nezve machining allowance uye kugadzirisa. Iyo as-cast surface inogona kutaridzika zvakanaka, asi unenge uchigara wakatarisana nemishini yekurova nzvimbo dzechokwadi kana kuwana chisimbiso chepamusoro. Kana iyo yekukanda iine yakasara kushushikana kana kuomarara kusingaenderane kubva pakutonhora kusina kuenzana, unozozviona muCNC chigayo-chishandiso chatter, dimensional drift, yakaparara kupera. Takatozoshandisa bhechi yekudzimisa kupisa kwekushushikana kune zvimwe zvikamu vasati vatomboenda kuchitokisi chemuchina, icho chatisina kumbotaura nezvacho pakutanga.
QSY's yakabatanidzwa modhi, kwavanobata zvese kukanda uye iyo CNC machining pasi pedenga rimwe chete, inobvisa musara mukuru wekunongedza munwe. Kana machinist ari pasi pehoro kubva kunaforomani wevatangi, matambudziko anogadziriswa nekukurumidza. Icho chishandiso chiri kubvaruka nekuda kweiyo microstructure yezvinhu here kana kuti inyaya yekudyisa? Ivo vanogona kuzvifungidzira mumaawa, kwete mavhiki emaemail pakati pevatengesi vakasiyana. Kune chikamu chakaomarara senge compressor imba, uko iyo yemukati volute inoda kukandwa padhuze-net-shape asi yapera nekugaya chaiko, iyi yekubatanidza ndiyo chete nzira yekuvimbisa kushivirira kwekupedzisira.
Ndinoyeuka pombi yatakaita, nickel-based alloy yekudzivisa kuora. Kukandira giravhiti kwakatipa kutendeseka kwataida pasina nyonganyonga yedzvinyiriro huru. Asi chiso cheflange chaifanira kunge chakati sandara. Matangiro ekutanga anokanganisa zvishoma mushure mekugadzira. Nemhaka yokuti zvikwata zvekukanda uye zvekugadzira zvakabatanidzwa, zvakazvitsvaga zvakare kune nzira iyo chikamu chakanga chichibudiswa kubva mukufa-pini ejector yakanga ichikonzera kukanganisa kuduku kwaingoonekwa mushure mokunge ganda rakabviswa. Shanduko diki mukuteerana kwe ejection uye kutsigirwa mune machining fixture yakagadzirisa. Makambani maviri akapatsanurwa angadai akanamatira muchiuno chemhosva.
Sarudzo Yezvinhu: Haisi Aluminium chete
Gravity die casting inowana pigeonholed senzira yealuminium. Ndiyo yakajairika, chokwadi, asi nzira inoshanda kune yakakura siyana. Taita mamhanyiro akabudirira nemamwe maaloyi emhangura nemagnesium. Chinokosha ndechekuyerera kwesimbi uye nzvimbo yekunyunguduka maererano nehupenyu hwekufa. Kudurura alloy yebhuronzi pasi pesimba rinokwevera imhuka yakasiyana-yepamusoro tembiricha, kukurumidza kufa kupfeka, kwakasiyana oxide manejimendi. Iwe unopinda muzvinhu izvi kana chikamu chichida zvivakwa - senge yakakwira yekupisa yekupisa kana chaiyo kupfeka kuramba - uye vhoriyamu inoruramisa mutengo wekufa pamusoro pekukanda jecha.
Izvi zvinoenderana nezvaunoona pakuvhiya kwakasiyana seQSY. Basa ravo ne simbi isina tsvina uye yakakosha cobalt-based alloys mukukandira mari inozivisa maitiro avo ekufa kune mamwe masimbi. Vanonzwisisa zviyo zvekugadzirwa kwezviyo. Kune chikamu chegiravhiti-chakakandwa chinogona kuzozoona kushanda kwebrazing kana kudziya kwepamusoro-soro, iyo ruzivo rwesainzi inoraira zvese kubva pakugadziridzwa kwealloy kusvika kune post-casting kupisa kupisa kutenderera. Hakusi kungoita chimiro; iri engineering microstructure.
Ndakadzidza izvi nenzira yakaoma kare. Takanga tine odha yemamwe mahwendefa ekupisa kubva kumhangura-chromium alloy. Isu takaibata sealuminium-yakafanana dhizaini yekufa, yakafanana nguva yekutenderera. Migumisiro yacho yaityisa: kuvharwa kwechando uye porosity yakakura. Thermal Dynamics yakanga yakasiyana zvachose. Taifanira kupeta kaviri tembiricha yekufa-pre-heat uye kugadzirazve sprue kuti ive yakakura uye inopisa kuchengetedza huwandu hwekupisa. Chaive chidzidzo chinodhura chekuti haugone kuve nesaizi-inokodzera-yese maitiro, kunyangwe mukati meiyo nzira yekukanda.
Iyo Yakanaka Yakakwana Musungo uye Yemhando Magedhi
Mukugadzira, kunyanya ichiita senge yakatwasuka sekukanda giravhiti, pane zvinogara zvichimanikidza kukurumidza kutenderera. Tinogona here kuderedza kufa kutonhora nguva nemasekonzi gumi? Sekondi yega yega inochengetwa imari. Asi apa ndipo panoitwa zvemukati zvemhando yemhando kana kukutyora. Kumisikidza nzvimbo dzisingagone kutaurirana — kuongorora kwechinyorwa chekutanga, periodic dimensional cheki, dhayi inopinda mukati meyedzo pasampling hwaro - inobata isati yave kurambwa kwebatch.
Kwatiri, zvese zvitsva giravhiti kufa kukanda zvikamu chirongwa chine hurongwa hwemhando yakavakirwa mukati. Inogona kutsanangura kuti chikamu chese chemakumi mashanu chinowana cheki yakazara yeCMM, kana kuti yekutanga kudururwa kweshifiti yega yega inoiswa muchikamu chekuongorora kunaka kwemukati. Zvinonzwika zvinonetesa, asi zvakachipa pane kutadza kwemutengi munda. Kambani ine maonero enguva refu, senge makore makumi matatu enhoroondo QSY mareferensi, kazhinji ane aya maprotocol akabikwa mutsika yavo. Vakaona zvinoitika pasina ivo.
Kukundikana kunoramba kuripo kwandiri kwaiva batch of lever arms yemuchina wekurima. Vakapasa kuona uye dimensional cheki. Asi mumunda vakatanga kutsemuka vachiremerwa. Ongororo yeForensic yakawana firimu diki reoxyde rakapetwa munzvimbo ine kushushikana kwakanyanya-chikanganiso chisingaoneki kubva kunze. Chikonzero chikuru? Iyo yekuwachira yakasakara zvishoma mune yedu yekudira system yaikonzera diki asi isingachinjiki mhirizhonga. Kubva ipapo, isu tinoongorora uye nekutsiva izvo zvinodyiwa zvekudurura masisitimu zvikamu pahurongwa hwakasimba, kwete kana zvichitaridzika zvakaipa. Ndiwo unsexy, kudzivirira kuchengetedza kunotsanangura kuvimbika.
Kutarisa Mberi: Basa muBroad Manufacturing Chain
Saka giravhiti kufa kukanda kunogara kupi nhasi? Haisi iyo inopenya, yakakwirira-vhoriyamu mhinduro yezviuru zvezvikamu pazuva. Uye haisi iyo yekupedzisira-inoshanduka-yega mhinduro. Inotora iyo yakakosha nzvimbo yepakati: kugadzira yakasimba, yakaomeswa, uye yakavimbika zvikamu mumavhoriyamu epakati, ine yakanakisa mechaniki zvivakwa uye yakanaka kupera kwepamusoro. Ramangwana rayo rakasungirirwa pakureruka nekubatanidzwa. Tiri kuona mamwe magadzirirwo apo akawanda zvikamu zvakasanganiswa kuita imwe yakaoma giravhiti kufa kukanda zvikamu, kubvisa magungano uye fasteners. Izvo zvinoda kunyange kudyidzana kwepedyo pakati pemugadziri uye muvambi kubva pazuva rekutanga.
Ichi ndicho chikonzero kubatana nemupi webasa rakazara kusiri nyore; chinhu chakanakira mukana. Paunosangana nechikwata chinogona kutarisa kudhirowa uye kufunga mukati merwendo rwese-kubva pane alloy kusarudzwa kunoenderana nekuora kana tembiricha zvinodiwa (leveraging ruzivo ne special alloys), kune giravhiti yekukanda maitiro pachayo, kusvika kune yekupedzisira michina maficha uye kunaka kusimbiswa-iwe unowana chikamu chinoshanda, kwete chikamu chinofanana nekudhindwa. Webhusaiti ye Qingdao Qiangsenyuan Technology Co., Ltd. (QSY) inotaura nezvebasa ravo mukati shell mold casting uye Investment casting pamwe chete nemachining. Izvi zvinondiudza kuti vanonzwisisa zvizere. Mugadziri anogona kuuya kwavari aine pfungwa, uye vanogona kuraira: Ichi chimiro chakakodzera mari yekudyara, asi muviri mukuru uyu unofanirwa kunge uri giravhiti kufa kukandwa kwesimba uye mutengo, uye heino maitiro atichaita. Mutongo iwoyo wakaperera ndiwo wauri kutenga.
Pakupedzisira, kubudirira kwesimba rinokwevera zvinhu pasi hakuzi kwemuono mumwe chete wakajeka. Zviri pamusoro pekuremekedza ketani yese yezviitiko-kubva panguva iyo alloy inonyungudutswa kusvika panguva iyo chikamu chakagadzirwa chakazara. Iyo nzira yekudzora kusimba, tarisiro inodzorwa, uye kutarisisa kusingadzoreki kune zvidiki izvo zvisingaonekwe nevanhu vazhinji. Izvo zvikamu zvinobuda kune rumwe rutivi zvinyararire zvipupuriro zvekugaya ikoko.
