Lokacin da injiniyoyi suka bayyana a karfe shaft factory don abubuwan da ke da mahimmancin manufa — sandunan cibiyar famfo a ƙarƙashin mashaya 300, cobalt-alloy nozzles a cikin mahallin gas mai tsami, ko winch rollers akan motocin injiniya na teku-ba sa buƙatar injina kawai. Suna buƙatar tabbaci na ƙarfe, maimaita juzu'i, da rashin haƙuri don jujjuyawar ƙaƙƙarfan tsari a cikin batches.
Mun ga jinkirin ayyuka da yawa-ba ta hanyar kurakuran ƙira ba, amma ta gibin masu samarwa a cikin sarrafa gami. Wani abokin ciniki sau ɗaya ya aiko mana da zanen famfo na AMS 5387 cobalt tare da kiran GD&T don ± 0.005 mm cylindricity akan guntun 120 mm. Dillalin su na farko ya nakalto shi-amma ya kasa riƙe murdiya-maganin zafi ƙasa da 0.02 mm. Sashin ya wuce CMM a zafin jiki, gazawar gwajin aiki a yanayin aiki. Wannan ba matsalar inji ba ce. Yana da gazawar kayan aiki-tsari-haɗin kai.
Me yasa ƙwarewar kayan aiki ke raba madaidaicin masana'anta daga shagunan ayyuka na gaba ɗaya
Cobalt-nickel gami kamar T800 da AMS 5387 ba su da “wuya ga na’ura” saboda suna da ƙarfi. Suna da wahala saboda ƙananan tsarin su yana tsayayya da laushi na thermal-kuma wannan kwanciyar hankali yana sa su zama masu wuyar yin aiki mai wuyar gaske, ginannen gefe, da rarrabuwa na ƙasa idan farashin sanyaya ko hawan motsin damuwa ya karkata da ko da 15 ° C.
A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., kowane cobalt-alloy shaft yana farawa da bokan billet wanda za'a iya ganowa zuwa rahoton gwajin niƙa-ba kawai daraja ba, amma ainihin carbon, boron, da abun ciki na silicon tsakanin ± 0.02%. Muna ba da haɗin kai tare da masu samar da kayan aikinmu kafin yin simintin gyare-gyare. Me yasa? Saboda 0.003% wuce haddi na boron a cikin AMS 5387 yana haɓaka haɗarin zafi yayin jefa hannun jari da kashi 40%, bisa ga bayanan ASTM E1268 da muka inganta a 2023.
Wannan ba ka'idar ba ce. A bara, OEM na'ura mai aiki da karfin ruwa OEM yana buƙatar 220 mm diamita piston famfo silinda gidaje tare da katsewar ciki. Madaidaicin CNC na juyar da alamar magana ta hagu wanda ke yaɗa gajiyawa a hawan keke 12,000 PSI. Mun canza zuwa sarrafa nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan iri) da nau'ikan dasa shuki da simintin simintin simintin saka hannun jari" na'urar kawar da damuwa + na'urar gamawa akan lathes a kwance 5-axis tare da damping na ainihin lokacin. Sakamako: rashin ƙarfi na saman Ra ≤0.4 µm, ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun abubuwan da aka riƙe zuwa 0.008 mm sama da tsayin mm 300-ko da bayan gwajin fesa gishiri na awa 200.
Haɗin kai tsaye ba kalma ba ce - hanya ce kaɗai don sarrafa amincin shaft
Yawancin masu samar da “madaidaicin shaft” suna fitar da simintin gyare-gyare, jiyya mai zafi, ko ƙarewa. Wannan yana karya lissafi. Idan bakin karfe cibiyar winch ta kasa tabbatar da taurin bayan-zafi, wa ya mallaki tushen dalilin? Kamfanoni? Ma'aikacin tanderun? Mashin din wanda ya cire abin da aka lalatar?
QINGDAO QIANGSENYUAN yana aiki da wurin da ya dace da ISO guda ɗaya inda simintin simintin gyare-gyare, CNC mai yawan axis, magani mai zafi, da ƙarewar saman yana faruwa a ƙarƙashin rufin ɗaya-da tsarin inganci ɗaya. Kowane shaft yana samun:
- Tabbatar da albarkatun ƙasa ta hanyar OES spectrometry (ba kawai takaddun shaida ba)
- Ci gaba da aiwatar da CMM cak a matakai uku: pre-zafi-biyya, bayan-zafi-bi, bayan kammalawa.
- Dubawa ta ƙarshe ta amfani da profilometry na gani don mahimmancin rufe saman
- Cikakkun abubuwan ganowa: ID na narkewa, log ɗin makera, bayanan lalacewa na kayan aiki, ID na mai aiki
Ba kawai saduwa da ASME B16.5 ko ISO 2768-mK ba. Muna taswirar yadda kowane matakin tsari ke shafar aikin ƙarshe. Misali: Tushen famfo na simintin ƙarfe na yashi yana buƙatar sanyaya mai sarrafawa don gujewa tari nodule graphite. Muna saka idanu masu lankwasa masu sanyaya tare da maƙallan thermocouples-ba kawai yanayin yanayi ba. Wannan shine dalilin da ya sa gidajenmu na EN-GJS-400-15 suka ci gaba da samun ƙarfi na 420 MPa, ba ƙayyadaddun ƙayyadaddun mafi ƙarancin 370 MPa ba.
Isar da ainihin duniya yana nufin warware abin da ba a kan zane ba
Wani kamfani mai sabis na rijiyoyin mai na Arewacin Amurka ya aiko mana da zanen da ba daidai ba na tsakiya don babban jujjuyawar ruwan teku. Babu ƙayyadaddun kayan aiki - kawai "lalata mai jurewa, nauyin 150 kN a tsaye." Mun gudanar da ƙirar lalata a kan mahallin NACE MR0175/ISO 15156, madaidaicin ra'ayin gajiyawar rayuwa don UNS S32750 vs. Inconel 718, kuma mun ba da shawarar UNS S32760 tare da duplex anneal + harbi peening. Ya cece su 28% vs. nickel alloy cost — ba tare da rikitar da juriyar chloride SCC ba.
Wannan daidaitaccen aiki ne-ba banda ba. Teamungiyar injiniyoyinmu koyaushe suna ba da tutocin haɓaka masana'anta yayin bita na zane: sassan bangon bakin ciki masu saurin jujjuyawa, fasalulluka masu juriya waɗanda ke buƙatar kayan aiki marasa daidaituwa, tarin GD&T waɗanda ke cin karo da Cpk mai yuwuwa. Muna mayar da martani a cikin sa'o'i 48 - ba "za mu faɗi shi ba," amma "ga yadda za mu sa ya yi aiki, kuma ga cinikin-kashe akan lokacin jagora vs. farashi."
Idan kana bukatar a karfe shaft factory wanda ke kula da matsugunin bawul ɗin ku kamar madaidaicin jirgin sama-ba ɓangaren kayayyaki ba — kuna neman ingantattun horo na gami, sarrafa tsarin madauki, da hukunce-hukuncen injiniya waɗanda ke magana da ƙarancin ƙarfe, GD&T, da yanayin gazawar filin. Ba kawai ƙarfin CNC ba. Ba kawai jefa ƙarar ba. Madaidaici, angige cikin gaskiyar abin duniya.
