Lokacin da injiniyoyi suka bayyana 410 bakin karfe don ƙarfin ƙarfi, abubuwan da za a iya magance zafi-kamar jikin bawul ɗin hydraulic, ɗakunan famfo, ko shafts na winch-ba kawai zaɓin abu bane. Suna yin alƙawarin abokin haɗin gwiwar masana'anta wanda ya fahimci yadda tsarin martensitic na 410 ke aiki a ƙarƙashin damuwa, yadda iyakancewar juriyar lalatarsa ke buƙatar daidaitaccen sarrafa saman, kuma me yasa daidaiton daidaiton tsari-to-batch yana da mahimmanci fiye da lambobin tensile kadai.
Wannan shine inda gwaninta ke raba masu kaya da masana'antu. A Abubuwan da aka bayar na QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mun machined a kan 12,000 410 bakin karfe sassa for North American oilfield famfo majalisai tun 2021-kowanne bukatar Rockwell C42-48 taurin bayan quenching da tempering, ± 0.015 mm geometric tolerances a kan sealing fuskoki, da kuma cikakken traceability zuwa ASTM A276 raw kayan. Mun ga abokan ciniki sun ƙi ɓangarorin saboda ƙananan ƙwayoyin cuta kusa da fillet masu kaifi bayan maganin zafi - kuma sun koyi canza hanyoyin kayan aiki da hawan zafin jiki daidai. Mun kuma ga masu siye suna yin watsi da cewa ƙananan abun ciki na nickel na 410 yana sa ya zama mai kula da kai hari a cikin mahalli masu arzikin chloride sai dai idan an wuce daidai. Waɗannan ba ƙasidar littafin rubutu ba ne. Su ne darussan filin da aka gasa a kowane 410 bakin karfe factory aiwatar da mu gudu.
Madaidaici ba na zaɓi ba - an gina shi a cikin halayen gami
410 bakin karfe yana ba da ƙarfi ta hanyar sauyi na martensitic-ba fina-finai na chromium oxide ba. Wannan yana nufin aikin sa yana rataye akan 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 halitta (musamman ma'aunin carbon da ma'aunin chromium), tarihin yanayin zafi, da kammala aikin injiniya. Madaidaicin takardar shedar niƙa ba ta ba da garantin tsauri ba. Mun samo takaddun takaddun shaida 410 zuwa AMS 5504 kuma muna tabbatar da kowane zafi tare da spectroscopy na OES kafin yin injin. Idan carbon ya tashi sama da 0.15%, muna daidaita ƙimar kashewa. Idan chromium ya faɗi ƙasa da 11.5%, muna ba da alamar batch-ko da ya dace da mafi ƙarancin ASTM-saboda ainihin duniya tana lalata rayuwa.
Muna haɗa maganin zafi kai tsaye cikin aikin CNC ɗin mu. Sassan suna tafiya daga jujjuyawar cibiyoyi zuwa tanderu mai bushewa a cikin ƙasa da mintuna 90-babu bayyanar yanayi. Quenching yana amfani da iskar iskar nitrogen a saurin sarrafawa, ba mai ko ruwa ba, yana kawar da hatsarori akan gidajen Silinda mai katanga. Zazzaɓi yana faruwa a cikin sa'o'i 4 na quenching, ba bayan kwanaki ba. Me yasa? Saboda riƙon austenite yana jujjuyawa ba zato ba tsammani bayan wannan taga, yana watsar da taurin ƙarshe da kwanciyar hankali. Wannan matakin horo na ƙarfe ba zai yuwu ba lokacin da ɓangaren ku ya hatimi a psi 3,000 ko yana jujjuyawa ƙarƙashin nauyin winch 15-ton.
Haɗin kai tsaye yana warware abin da fitar waje ke karya
Wasu masu ba da kayayyaki suna fitar da simintin gyare-gyare, injina, da maganin zafi don raba masu siyarwa. Wannan yana haifar da makãho: wurin ganowa bai san kiran GD&T na ku ba; mai kula da zafi ba zai iya ganin buƙatun gama saman ku ba; mai gamawa yana samun sassa tare da ma'auni mara daidaituwa ko yadudduka na decarb. Mun mallaki dukkan matakai guda uku-a cikin wurin da aka tabbatar da ISO 9001 a Qingdao.
- Yin wasan kwaikwayo: Sand-simintin gidaje 410 tare da sarrafa ƙarfi na jagora - rage raguwar porosity a cikin yankuna masu nauyi mai mahimmanci ta 62% tare da gyare-gyare na al'ada
- Machining: Cibiyoyin CNC na 5-axis tare da aiwatar da bincike daidai don haɓakar thermal yayin dogon yanke akan 120-mm-diamita fistan sandar sanda
- Ƙarshe: Filayen lantarki da aka yi amfani da su sun cimma Ra ≤ 0.4 µm akan saman rufewa - an tabbatar da su tare da bayanan martaba, ba ƙididdigar gani ba.
Wannan ba game da dacewa ba ne. Yana da game da hana yanayin gazawa babu mai siyarwa guda ɗaya da ya mallaka: lahani na simintin da aka rufe ta hanyar injina, rashin karantar maganin zafi a matsayin kuskuren daidaitawa, ko fim ɗin wucewa da aka cire yayin ɓarna. Lokacin da kuka yi oda daga gaskiya 410 bakin karfe factory, za ku sami ƙungiyar guda ɗaya mai lissafin dukan sarkar - daga narkakken ƙarfe zuwa ingantaccen aiki.
Ingancin duniya na ainihi yana bugun ƙayyadaddun takarda kowane lokaci
Muna gwada sassa 410 kamar yadda masu amfani da ƙarshen suke yi — ba kawai ga ka'idodin ASTM ba, amma ga matsalolin aikace-aikacen. Kowane matsugunin bawul ɗin matsa lamba yana fuskantar gwajin hujja na hydrostatic a ƙimar ƙimar 1.5 ×, tare da duban fenti na duk wuraren gyaran walda. Kowane abin nadi na cibiyar winch yana gudanar da zagayowar saurin lalacewa na sa'o'i 72 akan tauraruwar fuska na 42CrMo4 - auna asarar jama'a, canjin yanayi, da zurfin taurin ƙarami. Muna shigar da sakamakon kowane lamba. Kuna samun bayanan-ba kawai tambarin "wucewa/ gazawa".
Abokan ciniki sukan tambayi: "Shin za ku iya riƙe ± 0.005 mm a kan 300-mm-dogon 410?" Ee-amma kawai idan muka na'ura a cikin saiti biyu: m-juya a kan lathe mai tsauri, sa'an nan kuma gama-niƙa bayan an rage damuwa a 650 ° C. Za mu gaya muku hakan a gaba. Ba za mu faɗi juriyar da ba za mu iya ɗauka a cikin raka'a 500 ba. Kuma idan zanen ku ya yi kira ga radius 0.2-mm inda 410's notch sensitivity yana buƙatar 0.5 mm - za mu nuna muku ginshiƙi na injiniyoyi kuma mu ba da shawarar canji kafin yanke karfe.
Dogara a cikin bakin karfe 410 yana farawa tun kafin guntu na farko ya tashi. Yana farawa da sanin yadda alloy ke amsawa-ba yadda ya kamata ya amsa ba. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., muna kula da kowane mutum. 410 bakin karfe factory oda a matsayin haɗin gwiwar ƙarfe. Muna samar da daidaitattun sassa. Amma mafi mahimmanci, muna sadar da tsinkaya-girma, inji, da bayarwa. Domin tsarin aiki mai mahimmanci ba sa kasawa daga abubuwa marasa kyau. Suna kasawa daga masu canjin da ba a sarrafa su ba. Kuma waɗannan sauye-sauye suna rayuwa a cikin cikakkun bayanai da muke sarrafawa.
