Sassan ƙarfe masu ƙarfi ba sa jure wa sasantawa-musamman a tsarin na'ura mai ƙarfi, bawul ɗin mai & iskar gas, ko mashin injin abin hawa. Lokacin da kwanciyar hankali mai girma, ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun tsari, da juriya na sawa dole ne su riƙe ƙarƙashin matsa lamba 300+ ko 600°C na tsaka-tsaki na tsaka-tsaki, injinan gargajiya ko simintin gyare-gyare kaɗai ya faɗi gajarta. Wannan shine inda ƙwarewar masana'antar ƙarfe ta foda ke canzawa daga zaɓi zuwa larura - ba a matsayin tsari na tsaye ba, amma a matsayin mai ba da dabara a cikin tsarin ƙirar masana'anta a tsaye.
Me yasa Foda Metallurgy Kadai Amsar (Kuma Menene)
Yawancin injiniyoyi suna ɗaukar "ƙarfe foda" yana nufin sassan da aka ruɗe kai tsaye daga latsa. A aikace, wanda da wuya yana ba da ƙarewar ƙasa, ƙarfin ɗaure, ko rayuwar gajiya da ake buƙata don gidaje na silinda ko AMS 5387 cobalt alloy nozzles. Mun ga nau'ikan gazawa guda uku masu maimaitawa: ɗigogi mai haifar da ƙura a jikin bawul ɗin matsa lamba, tsarin hatsi mara daidaituwa a cikin matosai masu zafi na T800, da rarrabuwar GD&T bayan na'ura ta sakandare saboda rashin daidaituwar kore-jihar shrinkage.
Maganin gaskiya ba shine zaɓi *tsakanin* foda karfe da hanyoyin al'ada ba - yana tsara su cikin hankali. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mu bi da foda metallurgy ba a matsayin karshen, amma a matsayin daidai preform mataki. Sashin alloy na cobalt-nickel yana farawa azaman kusan-net-siffar sinteed mara kyau-sannan ya matsa kai tsaye zuwa cikin injina na CNC 5-axis tare da hanyoyin kayan aiki da aka inganta don rage yawan gradients. Babu sake gyarawa. Babu girgizar zafi daga kewayon maganin zafi daban. Gudun aiki ɗaya kawai mai ci gaba daga foda zuwa saman aiki.
Ƙarfi huɗu waɗanda ke Juya Ƙarfafan Foda zuwa Ayyukan Hasashen
Wannan ba ka'idar ba ce. An gina shi a cikin kayan aikinmu masu dacewa da ISO a Qingdao-kuma an tabbatar da shi a cikin tsarin hydraulic 127 a cikin shekaru biyar da suka gabata. Ga abin da ya sa ya yi aiki:
- Material-Tsarin Kulle Daidaita Mataki: Mun haɗu da ƙayyadaddun ƙayyadaddun foda tare da masu ba da izini - ba kawai don abun da ke tattare da sinadarai ba, amma don rarraba girman barbashi (D50 = 15-18 µm) da haɓaka (≤25 s / 50g Hall Flow). Me yasa? Saboda bambancin 3% a cikin ɗimbin yawa yana canza raguwar raguwa ta 0.012 mm - ya isa ya keta ±0.025 mm matsayi haƙuri akan bututun famfo piston.
- Machining-Centric Sintering Profiles: Ba a saita hawan wutar tanderu don iyakar tauri. An daidaita su don injina: riƙewa a 1180 ° C na mintuna 90 a ƙarƙashin argon, sannan sarrafa sanyaya don riƙe 25-35 HRC tushe-mai laushi isa ga kayan aikin carbide don yanke tsafta, da wahala don tsayayya da galling yayin honing na ƙarshe.
- GD&T-Aware Ayyukan Sakandare: Kowane bangare na sintered yana samun CMM-scaned * kafin * machining — ba bayan. Muna taswirar ainihin juzu'i kamar yadda aka daidaita akan CAD mara kyau, sannan mu samar da hanyoyin kayan aiki masu daidaitawa waɗanda ke ramawa ga raguwar yanki. Sakamako: 94% yawan amfanin-wuri na farko akan hadaddun kwantena kamar madaidaicin madauwari na shaft cibiyar winch.
- Ganowa Zuwa Matsayin Batch: Kowane kuri'a yana ɗauke da cikakkun takaddun shaida - ba kawai takaddun shaida na kayan aiki ba, amma raƙuman raƙuman yanayi, rahotannin tabbatar da yawa, da rashin ƙarfi na bayan-machining (Ra ≤ 0.4 µm) wanda aka auna ta hanyar profilometry na gani. Babu zato. Ba tare da ƙarin bayani ba.
Inda Foda Metallurgy Factory Maganin Ainihin Isar da ROI
ROI ba game da sassa masu rahusa bane. Yana da game da kawar da yanayin gazawar da ke da tsadar ƙasa. Yi la'akari da AMS 5387 cobalt alloy 6 famfo sassa: simintin saka hannun jari na gargajiya yana buƙatar ayyuka 7 (kakin kakin zuma → ginin harsashi → ƙonawa → zuba → HIP → injin injin → gama na'ura). Hanyar haɗin gwiwarmu ta yanke shi zuwa 4 (latsa → sinter → daidaitawa CNC → izinin ƙarshe). Lokacin jagora ya ragu daga makonni 14 zuwa 6. Adadin raguwa ya faɗi daga 18% zuwa 3.2%. Kuma mahimmancin girma CpK yana tsayawa sama da 1.67-saboda raguwa ba bazuwar ba ne; an ƙirƙira shi, auna, kuma an biya shi.
Amma babbar nasara ita ce 'yancin zane. Ɗaya daga cikin abokin ciniki na Turai yana buƙatar jikin bawul ɗin matsa lamba tare da tashoshi masu sanyaya ciki suna tsaka-tsaki a 37 ° - ba zai yiwu ba tare da ci gaba da ja cikin simintin yashi, mai tsada mai tsada tare da hakowa EDM a cikin kayan aiki. Ƙarfe na foda bari mu sanya hadaya polymer cores *lokacin latsawa*, sa'an nan kuma ƙone su kafin sintering. Machining kawai ya share hanyoyin shiga tashar. Jimlar lokacin ci gaba: kwanaki 11. Samfurin aikin farko ya yi gwajin fashewa a mashaya 412.
Zaɓan Abokin Kamfanin Faɗin Ƙarfa na Foda: Shafukan da ba za a iya sasantawa ba guda uku
Ba duk masana'antun ƙarfe na foda ke aiki a wannan matakin ba. Kafin ka aika zane, yi waɗannan tambayoyin:
- Kuna aiwatar da aikin tabbatar da yawan aiki * kowace kuri'a * - ba kowane lokaci ba? (Idan suka ce "eh" amma ba za su iya nuna maka tsarin log ɗin ba, tafi.)
- Shin masu shirye-shiryen ku na CNC za su iya shigo da fayil ɗin STEP ɗinku * kuma* su rufe rahoton ku na CMM mai ɓarna don samar da hanyoyin kayan aiki na ramuwa? (Idan software na CAM ɗin su yana ɗaukar ɓangarorin da ba su da ƙarfi a matsayin cikakke mai ƙarfi, sa ran sake yin aiki.)
- Lokacin da muka ƙididdige AMS 5387 ko T800, kuna samo foda daga ƙwararrun dillalai guda ɗaya-kuma kuna raba rahotannin gwajin niƙa *kafin* latsawa? (Batch-to-batch sauye-sauye a cikin cobalt alloys yana kashe daidaito cikin sauri fiye da kowane abu.)
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. ya sadu da duka uku-kuma yana buga bayanan ingantattun taga tsarin sintering a cikin sashin fasaha na tsingtaocnc.com. Ba a matsayin kwafin talla ba. A matsayin PDFs masu saukewa don nazarin injiniya.
Sassan ƙarfe masu girman gaske suna yin nasara lokacin da kimiyyar kayan aiki, ingantattun injina, da ingantaccen horo suka daina aiki a cikin silos. Wata masana'antar ƙarfe ta foda wacce ke latsawa da sinters kawai tana ba da kayan aikin. Ɗayan da ke haɗa halayen foda a cikin kowane aiki na ƙasa-tabbatar da ƙira, ƙirar ƙira, tsara kayan aiki, tsarin dubawa-yana ba da tabbaci. Wannan shine kofa da muke haye kowace rana a Qingdao. Ba tare da alkawuran ba. Tare da bayanan da za a iya ganowa, matakai masu maimaitawa, da sassan da ke riƙe matsi lokacin da babu wani abu da zai iya.
