Samfurin juriya mai girma yana buƙatar fiye da ƙayyadaddun ƙayyadaddun bayanai-yana buƙatar horon tsari, ƙwarewar kayan aiki, da lissafin ƙima a kowane mataki. Lokacin da gidan famfo na ruwa ya gaza ƙarƙashin matsin lamba 350-bar, ko bututun ƙarfe na cobalt alloy ya ɓace bayan sa'o'i 200 a cikin sabis na iskar gas mai tsami, tushen tushen shine da wuya zane. Ita ce tazarar da ke tsakanin tsinkayar tsinkewar simintin gyare-gyare da kuma ainihin halayen ƙarfafawa. Yana da gradient thermal mara ƙarfi yayin jiyya mai zafi na AMS 5387. Yana da kuskuren kusurwar binciken CMM akan 0.015 mm GD&T kira don gunkin silinda na piston. Mun ga duka uku-kuma mun gyara su ba tare da hanyoyin aiki ba, amma tare da haɗaka daidai simintin tafiyar matakai factory kisa.
Me yasa Yin Haƙuri Ba kawai Game da Mold ba
Yawancin injiniyoyi suna ɗaukar simintin gyare-gyare a matsayin matakin "m siffa" - wani abu da aka sarrafa daga baya. Wannan tunanin ya gaza lokacin da kaurin bango ya bambanta ± 0.8 mm a fadin 420 mm yashi-simintin famfo famfo, ko lokacin da saura damuwa daga sanyi mara daidaituwa ya gurbata jikin bawul din bakin karfe bayan injin karshe. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., muna ɗaukar simintin gyare-gyare a matsayin ainihin aiki na farko-ba na ƙarshe ba. Kayan aikin mu masu yarda da ISO yana gudanar da saka hannun jari a layi daya da layin simintin yashi, kowannensu an daidaita shi don takamaiman iyalai na gami: cobalt-nickel alloys kamar T800 da AMS 5387 suna buƙatar hankali, sanyaya mai sarrafawa; ductile baƙin ƙarfe don injiniya abin hawa winch shafts na bukatar daidai graphite nodule iko; Bakin karfen simintin gyare-gyare na buƙatar zubar da iska mara ƙarfi don adana juriyar lalata.
Muna inganta ƙirar ƙira ta amfani da simintin ƙirar dijital-ba kawai fassarar CAD-zuwa-CAM ba. Don gidajen silinda na famfo na piston, muna ƙirar ƙanƙantar zafi a cikin sassan 17 masu mahimmanci, sannan daidaita kwafi da gating don riƙe haƙurin ID a cikin ± 0.12 mm kafin kowane injin ya fara. Wannan shine yadda muke isar da simintin gyare-gyaren da ke tafiya kai tsaye zuwa gama-machining-ba sake yin aiki ba, babu tarkace, babu jadawali.
Haɗin Kai Tsaye: Inda Simintin Ɗaukaka Ya Haɗu da Haƙiƙanin Mashin ɗin
Wasu masu samar da kayayyaki suna fitar da simintin gyare-gyare, wasu kuma suna fitar da injiniyoyi. Babu wani abu da ke aiki don sassan da amincin saman ƙasa da ƙananan ƙananan tsarin dole ne su daidaita. Filogi na cobalt ba kawai mai wuya ba ne - yana da rauni idan tazarar hannun dendrite ya wuce 25 µm. Amma wuce gona da iri don korar ƙarewar saman yana haifar da haɗarin ƙananan ƙananan ƙwayoyin cuta. Muna magance wannan ta hanyar sarrafa ƙarshen duka biyu: ƙungiyar mu ta kafa ta raba bayanan bincike narke na ainihi tare da masu shirye-shiryen CNC. Lokacin da sakamakon sikirin ya nuna 0.02% mafi girman carbon a cikin tsari na T800, hanyar kayan aikin mu tana daidaita ƙimar abinci da matsa lamba mai sanyaya - ba kawai don kare abin da aka saka ba, amma don adana ɗanɗano mai ɗanɗano a cikin ƙasan da aka gama.
Wannan haɗin kai yana yanke lokacin jagora da 37% akan oda mai matsakaicin girma. Mafi mahimmanci, yana kawar da juzu'i tsakanin simintin gyare-gyare da ɓangaren ƙarshe. Mun auna sabani na 0.008 mm mai maimaitawa akan tsarin flange 8-rami a cikin raka'a 120-a cikin rabin abin da ake buƙata na ASME Y14.5 MMB. Wannan daidaiton ya fito ne daga ma'auni mai ma'ana: CMM iri ɗaya, jadawalin daidaitawa iri ɗaya, ƙa'idar fassarar GD&T iri ɗaya a cikin simintin QA da machining ƙungiyoyin QA.
Gano Abun da Ake Ganewa
“Tabbataccen abu” yana nufin ba kome ba idan lambar zafi a kan takardar shedar niƙa ba ta dace da ɗimbin jefa ƙuri’a ba, ko kuma idan an ciro samfurin gwajin sandar daga wani yanki na daban. Muna bin kowane kilogiram na albarkatun kasa-daga takardar shaidar ingot mai kaya T800 ta hanyar narkewa, zubarwa, maganin zafi, da dubawa na ƙarshe. Kowane simintin yana ɗauke da alamar QR mai haɗawa zuwa cikakkiyar ganowa: abun da ke tattare da sinadarai a kowane ASTM E353, girman hatsi kowane ASTM E112, taswirar tauri a tsakanin sassan giciye, da rahoton CMM don duk mahimman fasali.
Ga abokan cinikin mai da iskar gas da ke buƙatar yarda da API 6A, muna ƙaddamar da ganowa zuwa gwajin aiki: kowane bawul ɗin matsa lamba yana jurewa hujjar hydrostatic a matsi mai ƙima na 1.5 ×, tare da karatun ma'aunin ma'auni a kowane sashe. Idan abokin ciniki ya yi tambaya game da rayuwar gajiya akan ɓangaren famfo na AMS 5387, muna ja madaidaicin log ɗin zafi, mu sake ƙididdige saurin ƙarfi, kuma mu daidaita tare da fashewar saman SEM hotuna daga batches tabbatarwa. Babu zato. Babu extrapolation. Shaida kawai.
Madaidaicin Duniya yana farawa da Tattaunawa na gaske
Ba mu sayar da ayyukan simintin gyare-gyare - muna magance yanayin gazawar girma. Lokacin da OEM na'ura mai aiki da karfin ruwa OEM ya ba da rahoton kin amincewa da kashi 18% akan gidajen silinda saboda rashin kuzari, ba mu faɗi wani sabon tsari ba. Mun ziyarci layin taronsu, mun auna faɗaɗa yanayin zafi na abubuwan haɗin haɗin gwiwar su, kuma mun sake tsara tsarin haƙarƙarin simintin don magance murdiya a lokacin ƙayyadaddun zagayowar honing ɗin su. Sakamako: 99.2% yawan amfanin ƙasa na farko, canjin sifili zuwa kayan aikin da suke da su.
Wannan shine bambanci tsakanin a daidai simintin tafiyar matakai factory da wani makeri. Shi ya sa abokan ciniki a Arewacin Amirka, Jamus, da Singapore suka aiko mana da GD&T-zane-zane masu nauyi-ba kawai RFQs ba. Sun san cewa za mu yi tutar kasadar ƙirƙira kafin fara kayan aiki: kiran fa'ida na 0.005 mm akan simintin yashi 300 mm? Za mu ba da shawarar simintin saka hannun jari maimakon. T800 alloy bututun ƙarfe mara daidaituwa tare da radi na ciki ƙarƙashin 0.3 mm? Za mu kwaikwayi yazawar da ke haifar da kwarara kuma za mu ba da shawarar maganin HIP na gida.
Ziyarci https://www.tsingtaocnc.com don yin bitar ƙwararrun karatun iya aiki don simintin simintin gyare-gyare na cobalt alloy, zazzage jagororin fassarar GD&T, ko neman bita na masana'antu kyauta akan sashin juriya na gaba na gaba. Ba a samun daidaito a keɓance-an gina shi inda kimiyyar simintin simintin ta haɗu da horon injina, kuma inda kowane ƙayyadaddun bayanai ke da bayanin jiki.
