Lokacin da injiniyoyi suka bayyana a al'ada zuba jari simintin gyaran kafa factory, Ba wai kawai yin odar sassa ba ne - suna ƙaddamar da kwanciyar hankali mai girma, daidaiton microstructural, da amincin aiki a ƙarƙashin matsanancin yanayi. Mun ga ayyuka da yawa da aka jinkirta ta hanyar rashin daidaituwa na iyawar ginin: simintin gidan famfo tare da porosity kusa da saman rufewa; wani cobalt gami bututun ƙarfe da aka yi amfani da shi tare da microcracks na ƙasa bayan maganin zafi; abin nadi na cibiyar winch wanda ya wuce binciken CMM amma ya gaza gwajin gajiya a 42% na rayuwar ƙira. Waɗannan ba ƙananan lokuta ba ne - alamun rarrabuwar sarƙoƙi ne da dillalan simintin simintin gyare-gyare waɗanda ba su da takamaiman takamaiman tsari na gami.
Me yasa Sanin Simintin Takamaiman Abu-Yadda Ya Buga Kafa "Girman-Daya-Dace-Dukka"
Simintin saka hannun jari ba kawai game da zuba narkakkar ƙarfe ba ne a cikin harsashi na yumbu. Yana da game da sarrafa ƙarfi gradients a cikin AMS 5387 cobalt alloy-inda ko da 0.3°C/min sanyaya adadin karkatar da dendrite hannu da kuma yin sulhu da zaizayar kasa juriya a cikin high-gudun ruwa hanyoyin. Yana da game da sarrafa rashin daidaituwa na haɓakar zafi tsakanin tushen tushen T800 da harsashi na bakin karfe yayin lalata, hana microfissures ganuwa ga X-ray amma bala'i a ƙarƙashin matsin lamba. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., kowane cobalt-nickel zuba farawa da pre-zafi molds rike a 1,120°C ± 5°C — ba kewayo, amma manufa tabbatar da dual-point infrared pyrometers kafin kowane tsari. Ba ma ɗaukar AMS 5387 a matsayin "wani superalloy kawai." Muna ɗaukar shi azaman kayan da ke buƙatar keɓancewar ƙwanƙwasa, cirewar argon da aka lalatar da iskar oxygen, da warwarewar simintin simintin gyare-gyare a cikin tanderu mai tsabta tare da daidaiton ± 2°C. Wannan shine dalilin da ya sa nozzles ɗin mu na cobalt na yau da kullun suna cimma Ra ≤ 0.8 µm kamar yadda aka jefa akan filaye masu mahimmanci - kawar da 60% na lokacin injin na biyu yayin adana tsarin hatsi.
Haɗin Kai Tsaye Ba Kalma Bace - Inshorar Girman ku ce
Wasu dillalai suna fitar da mashin ɗin zuwa shagunan CNC na ɓangare na uku. Wasu kuma suna kwangilar maganin zafi. Wannan yana haifar da faɗuwar maki guda uku: murɗaɗɗen zafin jiki daga ƙimar kashewa mara sarrafa, daidaita tsarin daidaitawa tsakanin simintin datum da na'urar injin, da gurɓataccen ƙasa yayin jigilar kaya. Kayan aikin QINGDAO QIANGSENYUAN na ISO yana sarrafa simintin gyare-gyare, injinan axis da yawa, da kuma ƙarewa a ƙarƙashin rufin rufin guda ɗaya-tare da raba bayanai na GD&T, jadawalin daidaita yanayin awo na aiki tare, da kuma haɗaɗɗen rajistan ayyukan ganowa. Lokacin da abokin ciniki ya aiko mana da zanen silinda na piston famfo tare da ± 0.015 mm juriya na matsayi akan tashoshin bawul guda takwas, mun nuna haɗarin: simintin simintin yashi ba zai iya ɗaukar wannan ƙayyadaddun ba a tsayin 300 mm. Amsar da muka bayar ba "ba za mu iya yi ba" - "bari mu canza zuwa simintin saka hannun jari tare da babban taron yumbu, sannan mu gama duk tashar jiragen ruwa a cikin matsawa guda ta amfani da 5-axis DMG Mori tare da binciken Renishaw PH10M." Sakamako: labarin farko ya wuce akan duk ma'auni 12 masu mahimmanci. Babu sake yin aiki. Babu jadawali.
Gudanar da Ingancin Duniya na Gaskiya-Ba Yarda da Takarda Kawai ba
“Tabbataccen ISO” yana nufin kaɗan idan masu duba su bincika ƙima na ƙarshe kawai kuma su tsallake ingantacciyar ƙirar ƙirar microstructure. Muna tabbatar da shigowar cobalt-nickel billets tare da OES spectroscopy da gwajin ultrasonic don katsewar ciki-kafin narkewa. Yayin yin simintin, ma'aunin zafi da sanyio da ke cikin bangon harsashi suna shiga bayanan yanayin zafin jiki na ainihin lokacin, ba kawai wuraren saita tanderu ba. Bayan-machining, kowane bawul na matsa lamba yana fuskantar gwajin leak helium a matsa lamba na 1.5 ×, ba kawai mai shiga rini ba. Kuma a-muna riƙe cikakkun abubuwan gano abubuwa: adadin kuri'a, rahoton bincike na narkewa, tsarin kula da zafi, rahoton binciken CMM, da taswirar tarkace a cikin tsarin ERP ɗinmu kuma ana isar da su tare da kowane jigilar kaya. Wata OEM na'ura mai aiki da karfin ruwa ta Arewacin Amurka ta gaya mana: "Fakitin ganowa ya yanke nazarin QA na cikin gida daga kwanaki 14 zuwa awanni 36." Wannan ba inganci ba ne - wannan ingantaccen amana ne.
Zaɓan Masana'antar Simintin Zuba Jari na Al'ada-Abin da A zahiri ke Motsa allura
- Nemi takaddun takamaiman tsari na gami: Ba wai kawai “muna jefa allunan cobalt ba,” amma “nuna mana zubin AMS 5387 guda uku na ƙarshe-ciki har da gunkin preheat, zuba zafin jiki, da taswirar microhardness na bayan-jita.
- Bukatar shaidar awo na cikin aikiBuƙatar hotuna na kayan aikin CMM da aka yi amfani da su a ɓangaren lissafi-ba cikakken hotunan kariyar kwamfuta daga littafin koyarwa ba.
- Gwada aikin injiniyan su: ƙaddamar da zane mai nauyi na GD&T tare da madaidaitan bayanai. Abokin tarayya na gaskiya zai ba da amsa a cikin sa'o'i 48 tare da takamaiman tambayoyi-ba samfuri ba "za mu dawo gare ku."
- Tabbatar da iyaka a tsaye: Idan sun yi iƙirarin "cikakken maɓalli," tabbatar da ko maganin zafi, gwaji mara lahani, da ƙarewar ƙasa yana faruwa a wurin - ko kuma suna buƙatar jigilar kaya zuwa ƙananan kwangilar da ba a tabbatar da su ba.
A al'ada zuba jari simintin gyaran kafa factory yana samun taken sa ba da iyawa ba, amma ta yadda zurfinsa ya ƙunshi horo na ƙarfe a cikin kowane aiki - daga rasidin albarkatun ƙasa zuwa marufi na ƙarshe. FASAHA QINGDAO QIANGSENYUAN ba ya kori girma. Yana magance matsalolin inda daidaitattun ka'idodin sun tsaya: matosai na cobalt don bawul ɗin sarrafa ruwa na teku, tushe mara kyau na famfo mai tsayayya 22,000 psi pulsation, winch center shaft rollers tsira 10⁷ hawan keke a cikin abrasive hamada muhallin. Lokaci na gaba da ƙirar ku ta tura iyakoki ko juriya, kada ku tambayi "wa zai iya jefa wannan?" amma "wane ne ya riga ya jefa wani abu mai wuya - kuma ya tabbatar yana aiki?"
