Iwe unonzwa Stellite achikandwa kwakawanda mumashopu uye misangano yekutenga, kazhinji sekubata-zvese kune chero chinhu chakaoma-chakatarisana kana cobalt-yakavakirwa. Ndiko kusanzwisisa kwekutanga kujekesa. Haisi chinhu chimwe chete asi mhuri, kunyanya cobalt-chromium alloys, uye kuita delta pakati pemamaki seStellite 6, 12, kana 21 yakakura. Ndakaona mapurojekiti achikundikana nekuti mumwe munhu achangobva kududzira Stellite padhirowa, achifungidzira kuti zvese zvakafanana super-material. Hazvisizvo. Sarudzo pakati pegiredhi repamusoro-kabhoni yeabrasion yakakomba uye yakaderera-kabhoni yekubatikana zviri nani haisi yedzidzo - ndiwo mutsauko pakati pechigaro chevharuvhu chinotora mwedzi mitanhatu kana makore matatu.
Iyo Casting Conundrum uye Shell Mold Chokwadi
Kushanda nema alloys aya hakuna kufanana nekugadzira simbi yakapfava. Iyo yakakwira cobalt uye chromium zvemukati zvinovaita basa-kuomesa hope kana ukasangwarira. Pakutanga, takaedza kucheka Stellite 6 castings neyakajairwa carbide kuisa. Zvakaguma nei? Nzvimbo dzakapenya, kupera kwezvishandiso nekukurumidza, uye nhengo dzaitaridza kutsenga. Chidzidzo chekudzidza chaive chakanyanya. Iwe unoda dzakaomarara setups, yakanaka rake geometries, uye dzimwe nguva, iwe unongofanira kubvuma kuti kukuya ndiro danho rekupedzisira rekushivirira kwakakosha.
Apa ndipo pane basa rekukwira kumusoro kunokosha zvikuru. Chinhu chisina kusimba chakakandwa cheStellite chinenge chisingaite kununura hupfumi kuburikidza nekugadzira. Isu takave nekuenderana kwakanyanya shell mold casting yezvikamu zvakaoma. Iyo dimensional kugadzikana uye kupera kwepamusoro kubva kune yakanaka shell mold inokupa iwe mukana wekurwa muchikamu cheCNC. Iyo inoderedza huwandu hweiyo yakaoma zvinhu iwe yaunoda kubvisa, iyo inochengetedza zvakananga nguva uye mutengo wekushandisa.
Ini ndinorangarira purojekiti chaiyo yemutengi wepetrochemical anoda chipfeko chekupfeka. Iyo yekutanga prototype, yakakandwa kuburikidza neyakareruka jecha maitiro, yaive isingaenderane kuomarara nzvimbo uye yakavanzika shrinkage. Kugadzira yaive hondo. Isu takachinjira kune chaiyo ganda mold process yekumhanyisa kugadzirwa, tichibatana neyekutanga yaiziva kubata maitiro ekusimbisa alloy - senge. Qingdao Qiangsenyuan Technology Co., Ltd.(QSY). Kutarisa kwavo kwemakumi matatu emakore ekukanda uye kugadzira kunoreva kuti vanowana synergy inodiwa. Iwe haugone kungoikanda uye unovimba kuti imwe shopu inoona machining. Kuve nayo pasi pedenga remba, kana newakabatana zvakasimba, ndicho chinhu chikuru. Iyo sleeve yekugadzira yakabuda iine yunifomu microstructure, uye yedu CNC dhipatimendi inogona kubata yakasimba kushivirira pasina kusingaperi maturusi shanduko.
CNC Machining: Iyo Yakapfava Dhanzi neKuoma
Machining Stellite chidzidzo mukudzorwa kwehasha. Iwe haugone kunyara nekucheka kwako, kana iwe unongoshanda-kuomesa kumusoro kuita dhizaini isingapindike. Asi iwewo unokona kungobhuya mazviri. Nzvimbo inotapira ndeyekudya kunoenderana, kuri pakati nepakati nemudziyo unopinza. Isu tinotsamira zvakanyanya paceramic kana CBN yekuisa yekupedzisa kupasa pamakiredhi akaomarara. Inotonhorera haigone kutaurirana, uye kwete yekutonhodza chete - inobatsira nekubvisa chip. Machipisi akareba, ane tambo akaputira mudziyo? Ndiyo nzira yekukurumidza yekuparadza chikamu uye mudziyo wekushandisa.
Imwe tsanangudzo inowanzoregererwa ndeyekugadzirisa. Nekuti uri kusunda chishandiso uye zvinhu zvacho zvakaoma, chikamu chinofanira kuvharwa zvachose. Chero chatter kana vibration inoshandura yakananga mumicro-fractures pane chikamu chepamusoro, chinova nzvimbo dzekutangisa dzekutsemuka mubasa. Isu takatamira kune hydraulic zvigadziriso zveakakosha Stellite zvikamu. Mutengo wakawedzerwa, asi zvakachipa pane kurasa $5,000 yekukandira nekuda kwekupera kwakashata kwepamusoro kubva kugadziriso flex.
Post-machining kazhinji inoratidza chokwadi chekukanda. Takambogadzira batch reStellite 21 turbine blade shrouds. Pazvizhinji, nzira yezvishandiso yakanga yakatsetseka. Pavaviri, takava neapo neapo, tichiita machekwa munzvimbo chaidzo. Yakaratidza mutsauko wepanzvimbo mukuoma, pamwe kupatsanurwa kwecarbide kubva padanho rekukanda. Taifanira kudhonza iwo maviri ekuwedzera kupisa kupisa kuti homogenize chimiro - kunonoka hapana aida. Iyo inosimbisa kuti kunyangwe iine yakanaka foundry, iwe unoda kuomarara kunouya kuongororwa, dzimwe nguva kupfuura nyore chemistry cheki kuti ubatanidze ultrasonic kana eddy ikozvino kuyedza kuenderana.
Alloy Sarudzo: Haina Kungoita Stellite
Iyo yakakosha alloys chikamu ndipo panoitika engineering chaiyo. Stellite inogara padivi penickel-based alloys seInconel, asi mashandisiro avo anosiyana. Stellite yekupfeka uye galling kuramba pane pakati nepakati tembiricha; nickel-alloys yakawanda kune chaiyo yepamusoro-tembiricha simba uye ngura. Ndakaona dhizaini uko Inconel 625 yakatanga kutaurwa kune yakakwira-kupisa valve trim, asi iyo chaiyo yekutadza maitiro yaive yekudonha-kudhirowa kwewaya kubva pakuyerera kwepamusoro-velocity. Kuchinjira kune high-carbon Stellite giredhi rakaita seStellite 3 rakagadzirisa dambudziko nemutengo wakaderera.
Iyi sarudzo matrix yakakosha. Iwe unofanirwa kubvunza: Ko muvengi wekutanga abrasion, kukukurwa, ngura, kana musanganiswa? Chii chinonzi tembiricha yekushandisa? Pane kukanganisa here? Chinhu chakadai QSY's portfolio, inovhara mhuri dzese cobalt neye nickel, inobatsira nekuti haina kurerekera kune imwe mhinduro. Vanogona, kana kuti vanofanira kukwanisa, kuraira maererano nekushandiswa. Semuenzaniso, kune sleeve yepombi munzvimbo ine saline ine corrosion uye abrasive slurries, vanogona kuratidza Stellite 6 yakavharika pane simbi isina tsvina substrate pane yakasimba, inodhura nickel alloy.
Kukundikana kwezvinyorwa zvegumbeze. Mutengi akambosimbirira paStellite 1 pane zvese nekuti yaive nehurema hwakanyanya hwakanyorwa. Ivo vakaishandisa pane zvikamu zviri pasi pekupisa bhasikoro uye mwenje maitiro. Zvikamu zvakatsemuka. Stellite 1 ine brittle. Isu taifanira kufamba navo kuburikidza nemapepa e data kuratidza kuti Stellite 6, ine zvirinani ductility uye ichiri-yakanakisa kupfeka kuramba, yaive sarudzo yakanaka kune iwo mutoro une simba. Nhamba dzedhetabheti hadzitauri nyaya yese; ruzivo rwemumunda runoita.
Kubatanidzwa kubva kuMelt kuenda kuMuchina
Chidzidzo chikuru chakadzidzwa ndechekudimbura pakati pekukandira nekugadzira. Kana ikabatwa semasilos akaparadzana, maStellite mapurojekiti akabuda ropa uye nguva. Iyo yekutanga inoda kunzwisisa izvo machinist anotarisana nazvo. Zvinhu zvakapfava zvakaita sekuwedzera anowirirana, ane rupo dhizaini angles, kuve nechokwadi chekuti gedhi uye nzvimbo dzekukwira dziri munzvimbo dzisiri dzakakosha, uye kudzivirira zvikamu zvakatetepa zvakanyanya zvinotonhorera nekukurumidza zvinogona kugadzira kana kukanganisa machinability.
Makambani akashanda munzvimbo mbiri kwemakore, sezvakataurwa Iyo kambani Qingdao Qiangsenyuan Technology Co., Ltd. (unogona kuwana maitiro avo pa https://www.tsingtaocnc.com), vane zivo iyoyo yakadzika midzi. Nhoroondo yavo yemakore makumi matatu mukukanda uye CNC machining haisi mutsara wekutengesa chete; zvinoratidza kuti vakaisa pfungwa idzi mukati. Ivo vangangove vachifunga nezve machining fixture nzvimbo vachiri kugadzira mold, ndozvazvinofanira kunge zviri. Kune yekupedzisira-mushandisi, kubatanidzwa uku kunoderedza njodzi. Iwe hausi kungotenga yekukanda; uri kutenga chinhu chinogadzirwa.
Muenzaniso unoshanda: Taida seti yakaoma, yakatetepa-yakavharidzirwa seal mhete muStellite 12. Dambudziko raive rekudzivirira kukanganisa panguva yekugadzira mushure mekukanda. Iyo yakajairwa maitiro yaizokanda, kushushikana kudzikamisa, muchina, uye tariro. Mutengesi akabatanidzwa akakurudzira maitiro akagadziridzwa: kukanda, kuita machining ane hutsinye kusvika padhuze-mambure chimiro, kozoti chechipiri kudzikamisa kupisa kwekupisa, kuchiteverwa nekupedzisira kunyatsoita machining. Iri danho rekuwedzera, rakazvarwa kubva muchiitiko nemaitiro ezvinyorwa mukati mecheni, akaunzwa akafuratira, akatsiga zvikamu. Imhando iyi yemaitiro nuance inoparadzanisa mutengesi wezvikamu kubva kune anogadzirisa shamwari.
Kutarisa Kupfuura Zita reBrand
Chekupedzisira, zvakakosha kuziva kuti Stellite izita renhoroondo kubva kuDeloro Stellite (ikozvino chikamu cheKennametal). Kune akaenzana cobalt-chromium alloys kubva kune vamwe vanogadzira. Mukutenga, kunyanya yezvinhu zvinodhura asi zvakakwirira-vhoriyamu, kukodzera chinhu chakaenzana kunogona kuve kuhwina kukuru. Chinokosha ndechekukodzera kuita, kwete chemistry chete. Isu takamhanya padivi-ne-parutivi bvunzo dzekupfeka pane yakanzi Stellite 6 uye generic CoCr-A alloy ye slurry pombi application. Kuita kwacho kwaive kwakangofanana, zvichiita kuti pave nemari yakawanda.
Nekudaro, iyi haisi kurudziro yegumbeze. Zvekukosha, kuvimbika kwepamusoro maapplication muaerospace kana nyukireya, kuteedzera uye kuomarara kweguyo chitupa chinouya nemhando yezvinyorwa zvinowanzo kosha muripo. Ndiko kumwe kudanwa kwekutongwa. Icho chinongedzo ndechekuziva kuti iwe une sarudzo uye kumisa sarudzo pane zvikumbiro zvechikumbiro uye nhoroondo yenjodzi, kwete pane tsika.
Saka, kana uri kubata naStellite, funga systemically. Haisi huruva yemashiripiti yaunomwaya padambudziko. Icho chinhu chinodiwa icho kukosha kwacho kunongozadzikiswa zvizere kuburikidza neruzivo rwegiredhi sarudzo, inodzorwa uye yakabatanidzwa yekugadzira maitiro kubva mukuumbwa kusvika pakupera chikamu, uye nekunzwisisa kwakajeka kwechachasangana nacho mubasa. Ita izvozvo, uye inogara kwenguva refu. Ita zvisizvo, uye chidzidzo chinodhura.
