Lokacin da injiniyoyi suka ƙididdige abubuwan ƙarfe na bakin karfe don bawul ɗin ruwa, famfo gidaje, ko shingen winch na teku, ba kawai suna buƙatar ƙarfe ba - suna buƙatar kwanciyar hankali a ƙarƙashin mashaya 300, juriya na lalata a cikin mahalli masu ɗauke da chloride, da amincin microstructural bayan maganin zafi. Shi ya sa an zuba jari simintin bakin karfe factory ba mai siyarwa ba ne - haɓaka fasaha ne na ƙungiyar ƙira.
Mun ga ayyuka da yawa sun tsaya tsayin daka a matakin samfur saboda ginin da aka yi da bakin karfe kamar carbon karfe: gating iri ɗaya, ƙimar sanyaya iri ɗaya, ƙa'idar dubawa iri ɗaya. Amma bakin bakin 316 yana raguwa 12% fiye da simintin ƙarfe yayin ƙarfafawa. Its thermal conductivity rabin na aluminum. Kuma Layer oxide ɗin sa - mai mahimmanci don wucewa - yana samuwa ne kawai lokacin da sanyaya ya biyo bayan madaidaicin taga 5-10°C/min. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Muna kula da kowane bakin karfe saka hannun jari a matsayin taron karfe-ba tsarin yin siffa ba.
Madaidaicin Farawa Kafin a Zuba Mold
Yawancin masu siye suna ɗaukan daidaiton saka hannun jari ya fito ne daga sarrafa kaurin harsashi. Ba ya. Yana farawa da nau'in nau'in kakin zuma - da kuma yadda wannan jumhuriyar ke hulɗa tare da raguwar gami. Misali: Gidan famfo na silinda na piston da aka yi daga ASTM A473 Grade 316 dole ne ya riƙe ± 0.05 mm akan ID mara iyaka a tsayin 280 mm. Mun cimma wannan ta hanyar daidaita faɗaɗa kakin zuma a kan ƙaƙƙarfan gami na ƙarshe ta amfani da simintin thermal na cikin gida-ba sigogin gama-gari ba. Ƙungiyar kayan aikin mu tana daidaita daftarin kusurwoyi da haɓaka 0.15° dangane da kaurin bango, ba daidaitaccen samfuri ba. Mun tabbatar da wannan hanyar a cikin 172 samar da rundunonin bawul ɗin matsa lamba; 99.4% sun wuce tabbacin CMM na farko ba tare da sake yin aiki ba.
Wannan matakin sarrafawa yana buƙatar haɗin kai tsaye. Ba ma fitar da ginin harsashi, lalata, ko sarrafa tanderu. Kayan aikin mu masu yarda da ISO yana sarrafa duka ukun-kuma yana haɗa su zuwa bayanan thermocouple na ainihi daga kowane crucible. Lokacin narke bakin 316, muna saka idanu akan narkar da abun ciki na oxygen ci gaba. Ya wuce 25 ppm? Batch yana haifar da jujjuyawar atomatik zuwa aikace-aikace marasa mahimmanci. Babu ware.
Inda Cobalt Alloys da Bakin Karfe Ke Haɗuwa
Ga abin da yawancin ƙungiyoyin sayayya ke rasa: simintin saka hannun jari na bakin karfe ba ya keɓanta da aikin superalloy. A wurin aikinmu, tanderu iri ɗaya yana dumama AMS 5387 cobalt gami da bakin CF8M. Me yasa? Saboda duka biyun suna buƙatar sarrafa yanayin yanayi iri ɗaya (vacuum + argon backfill), ƙwanƙwasa iri ɗaya na preheat ramps (120°C/h har zuwa 1,100°C), da windows lokacin girgizawa iri ɗaya (± 90 seconds). Wannan horon tsarin giciye yana nufin simintin gyare-gyaren mu mara kyau sun gaji ingantattun ka'idojin gudanarwa na zafi-babu gwajin-da-kuskuren koyo.
Ɗauki sassan famfo na tushen T800. Taurinsu (42-48 HRC) yana buƙatar warwarewar annealing a 1,120°C sannan ruwa yana kashewa a cikin daƙiƙa 45. Mun gina wannan na'urar kashe wuta a cikin layin simintin gyare-gyare-ba kamar yadda ake tunani ba. Sakamako: juzu'i na sifili akan 142 mm-diamita impeller cibiyoyi inda kafin dillalai suka ruwaito 0.18 mm runout.
- Bawul ɗin matsa lamba: ASME B16.34 Class 600, bokan zuwa NACE MR0175/ISO 15156
- Piston famfo Silinda gidaje: GD&T-mai yarda da ASME Y14.5-2018, gami da bayanin martaba na sarrafa saman don mating flanges
- Injiniya abin hawa winch cibiyar shaft rollers: Taurin da aka tabbatar ta ASTM E10, kammala saman Ra ≤0.8 µm as-cast
- Cobalt alloy nozzles: An tabbatar da kwanciyar hankali mai girma bayan zagayowar thermal 500 tsakanin -40°C da +220°C
Me yasa "Shafin Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Ƙasa" Ba Kasuwanci kawai ba
"Muna amfani da bokan bakin karfe" yana bayyana akan kashi 83% na gidajen yanar gizon masu kaya. Amma ba da shaida ba yana nufin komai ba idan ganowa ya tsaya a alamar nada. A wurin aikinmu, kowane lambar zafi yana gudana kai tsaye cikin tsarin ERP ɗinmu-da taswirori zuwa takamaiman simintin gyare-gyare ta hanyar lambobi masu ƙyalli na laser akan kowane bangare. Lokacin da abokin ciniki ya nemi cikakken ƙayyadaddun ƙayyadaddun ƙayyadaddun kayan don odar bawul ɗin teku, mun isar da rahotannin gwajin niƙa, rajistan ayyukan bincike, da bayanan jiƙan tanderu-duk an ɗaure su da lambobin jefar kowane mutum. Wannan matakin bayyana gaskiya ba na zaɓi ba ne. Ana buƙatar shi don yarda da API 6A - kuma an gasa shi cikin aikin mu, ba a kulle shi don tantancewa ba.
Mun samo 316, 304L, da duplex 2205 na musamman daga masana'anta tare da takaddun shaida EN 10204 3.1 - kuma muna tabbatar da ilimin sunadarai akan karɓa ta amfani da sifofin LIBS na hannu. Idan chromium ya faɗi ƙasa da 16.5% a cikin samfurin 304L, ana keɓe gabaɗayan nada kafin saukewa. Babu ware. A'a "wannan sau ɗaya kawai."
Isar da Gaskiya yana nufin Hasashen Haƙiƙa
Tambayi masu samar da kayayyaki guda biyar don lokacin jagora akan simintin saka hannun jari na bakin karfe, kuma zaku sami amsoshi biyar-tare da jeri na tsawon makonni 8 zuwa 22. Namu yana gyarawa: makonni 14 don labarin farko, makonni 10 don maimaita umarni - garanti. yaya? Ta hanyar kulle iya aiki da wuri: 30% na tashoshin ginin harsashi an tanada su don ƙayyadaddun alamu na bakin ciki, kuma tanderun shigar da injin mu suna tsara zafi mara ƙarfi a cikin keɓewar tubalan mako-mako. Babu musanya gami da tsaka-tsakin gudu. Babu haɗarin kamuwa da cuta. Babu jinkirin mamaki daga albarkatun da aka raba.
Muna tabbatar da wannan alkawari kullum. Kwata na ƙarshe, kashi 97.2% na odar bakin karfe da aka aika akan ko kafin ranar ƙaddamarwa. Bambancin 2.8%? Duk ana bibiyar su zuwa canje-canjen injiniyan abokin ciniki bayan amincewar kayan aiki-ba gazawar tsari na ciki ba.
Idan aikin ku na gaba yana buƙatar abokin tarayya wanda ke ɗaukar simintin saka hannun jari na bakin karfe azaman ƙarfe, ba masana'anta ba - kuna buƙatar zuba jari simintin bakin karfe factory gina don daidaito, ba girma ba. QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana aiki ta wannan hanya-ba don dacewa ba, amma saboda matsananciyar matsa lamba, babban lalata, babban abin dogaro da aikace-aikacen da ba su da damar yin sulhu. Madaidaici ba sashe ba ne a nan. Tsarin aiki ne.
