Lokacin samun daidaito masana'antar kayan aikin gona abokan tarayya, injiniyoyi da manajan sayayya ba kawai suna buƙatar masu ba da kaya ba - suna buƙatar abokan haɗin gwiwar fasaha waɗanda suka fahimci yadda haƙurin 0.02 mm akan gidan famfo na piston yana rinjayar amincin filin a ƙarƙashin matsin lamba na 350 bar. Mun ga jinkirin ayyuka da yawa-ba ta hanyar kurakuran ƙira ba, amma ta hanyar ƙwarewar kayan da ba ta dace ba, ƙarancin ƙirar cobalt alloy microstructure, ko juzu'i mai girma bayan maganin zafi. Abin da ya sa aikin aiki yana farawa tun kafin a yanke guntu na farko.
Me yasa Ƙwararrun Material Ya Fi Mahimmanci Fiye da Ƙididdigar Injin
Yawancin masana'antu inji karfe. Kadan master AMS 5387 cobalt-nickel alloy-musamman lokacin da aka jefa shi cikin hadaddun jikunan famfo tare da tashoshi masu sanyaya ciki sannan a gama-machining zuwa ± 0.015 mm GD&T callouts. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., superalloys na tushen cobalt ba "zaɓi ba ne." Su ne ginshiƙi na bawul ɗin matsa lamba, gidaje na silinda, da na'urori masu amfani da wutar lantarki waɗanda aka tura a cikin masu girbin shinkafa, masu lodin sukari, da masu fesa masu ƙarfi a duk faɗin kudu maso gabashin Asiya da Arewacin Amurka.
Mun ci karo da abokan ciniki waɗanda suka ayyana T800 cobalt gami don taron bututun ƙarfe-kawai don karɓar sassan da suka fashe yayin hawan keken zafi. Tushen dalili? Tsarin hatsi mara daidaituwa kamar simintin gyare-gyare da takaddun takaddun maruƙan mai ba da tabbaci. Amsar mu: cikakken ganowa daga danyen takardar shaidar billet (ASTM A975, AMS 5719) ta hanyar warware matsalar, tsufa, da ingantaccen CMM na ƙarshe. Babu zato. Kowane kuri'a yana ɗauke da rahoton ƙarfe da aka ɗaure da lambar zafi.
Wannan ba ka'idar ba ce. A cikin wani aiki na baya-bayan nan, wani OEM na Turai ya sake fasalin kayan aikin injin feshin su mai sarrafa kansa don rage nauyi. Asalin mai ba da kayan nasu ba zai iya ɗaukar hankali tsakanin manyan tashoshin jiragen ruwa guda uku masu haɗakarwa cikin baƙin ƙarfe ba. Mun canza zuwa zuba jari-simintin ASTM A48 Class 65-45-12 ductile iron, ƙara danniya-damuwa kafin CNC, kuma mun isar da 100% na farko-wuta a 0.012 mm runout-tabbace tare da na gani kwane-kwane scanning.
Haɗin Kai Tsaye Wanda A Haƙiƙa Yana Bada Kwanciyar hankali
Fitar da fitar da simintin gyare-gyare, injina, da gamawa don raba dillalai na haɓaka haɗari: murɗaɗɗen zafi tsakanin matakai, rashin daidaiton saman saman, da rasa ganowa. Muna sarrafa duka ukun a cikin wurin da ya dace da ISO ɗaya a cikin Qingdao-saboda ba a samun kwanciyar hankali a cikin dubawa; an tsara shi a cikin tsarin aiki.
- Yin wasan kwaikwayo: Yashi da layukan simintin saka hannun jari waɗanda aka daidaita don ƙarancin ƙarancin ƙarfi, ƙarfe mai ƙarfi da simintin bakin karfe - har ma da madaidaitan geometries kamar tushe mai asymmetric famfo tare da haɗaɗɗen hawa lugga.
- Injiniya: Multi-axis CNC cibiyoyi tare da in-probing, iya kammala taurare 17-4PH bakin karfe zuwa Ra 0.4 µm ba tare da rework.
- Ƙarshe: Passivation, electropolishing, da HVOF zažužžukan shafi masu dacewa da bukatun aiki-ba kawai kayan ado ba
Wani abokin ciniki ya nemi buɗaɗɗen ganga na bakin karfe tare da wuraren lalacewa na nitrided da gogewar mujallu. Maimakon ba da kyauta ga dillalai uku, mun gudanar da jerin duka a cikin gida: m simintin gyare-gyare → damuwa damuwa → gama CNC → zaɓi nitriding → taswirar CMM na ƙarshe. Lokacin jagora ya ragu da kashi 37%. Scrap ya fadi daga 8.2% zuwa sifili.
Haɗin gwiwar Injiniya Ya Fara Kafin PO
"Za ku iya yin wannan?" shine tambayar farko kuskure. Wadanda suka dace su ne: "Shin wannan ilimin lissafi zai tsira da haɓakar zafin jiki a cikin yanayin 55°C shinkafa shinkafa?" ko "Shin wannan tarin GD&T yana ba da damar damfara hatimin da ake iya faɗi akan sa'o'in aiki 5,000?"
Muna ɗaukar kowane bita na zane azaman zaman tantance haɗarin haɗin gwiwa. Kwata na ƙarshe, mun ba da alamar haƙurin matsayi da ba daidai ba akan jikin bawul ɗin matsa lamba-ya yi kyau a kan takarda amma da zai haifar da karkacewar kwararar kashi 12% saboda daidaitawar tashar tashar asymmetric. Mun ba da shawarar sake fasalin tsarin datum da kuma musayar bayanan siminti da ke nuna raguwar raguwar matsa lamba. Abokin ciniki ya amince da canjin-kuma ya tsawaita kwantiraginsu na shekara-shekara.
Taimakon mu ya haɗa da fassarar GD&T, ra'ayoyin masana'anta, da saurin samfura ta amfani da simintin simintin-tsari + injin haske. Ga OEMs na aikin gona da ke haɓaka daga batches na matukin jirgi zuwa raka'a 500 na wata-wata, wannan haɗin gwiwar da wuri yana hana sake fasalin farashi mai tsada.
Amincewa Za Ka iya Tabbatarwa-Ba Alƙawari kawai ba
"Mai Amintaccen mai samar da OEM" yana nufin komai ba tare da hujja ba. Ga abin da aka tattara, auna, da kuma kiyayewa ga kowane oda:
- Tabbacin abu mai shigowa: Spectrometry + rahotannin gwajin tensile kowace kuri'a
- Dubawa cikin tsari: CMM na sikanin a matakai masu mahimmanci, ba kawai dubawa ta ƙarshe ba
- Sakin ƙarshe: Rahoton girma + ƙima na gani + gwajin aiki (misali, gwajin matsa lamba zuwa matsa lamba na 1.5 ×)
- Abun ganowa: Cikakken sarkar daga lambar zafi zuwa bayyanar jigilar kaya
Muna bauta wa masana'antun kayan aikin noma na duniya saboda suna buƙatar daidaito-ba kawai cikin umarni ba, har tsawon shekaru. Lokacin da tsarin injin mai girbin ku ya dogara da filogi na cobalt da ke tsira da zagayowar 10,000 a cikin slurry mai lalacewa, "mai kyau" ba ya cikin ƙamus. Abin da ya sa ainihin fayil ɗin mu ya kasance mai da hankali sosai: bawul ɗin matsa lamba, gidaje na silinda, tushen famfo, da ramukan tsarin winch-ba jujjuyawa ba, babu dilution na fahimtar yanki.
Idan kuna kimantawa masana'antar kayan aikin gona, Yi tambayoyi biyu: Shin tsarin ingancin su yana farawa daga takardar shaidar albarkatun kasa-ko a rahoton binciken ƙarshe? Kuma za su iya nuna muku bincike na gazawar duniya inda canjin tsarin su ya hana batun filin? Daga nan ne dogara ya fara.
