Lokacin da famfon na'ura mai aiki da karfin ruwa ya gaza a ƙarƙashin matsa lamba 350-bar, tushen tushen ba wuya tsarin tsarin ba. Sau da yawa guda ɗaya ne simintin gyaran kafa ma'aikata bangaren-kamar cobalt-alloy bututun ƙarfe ko gidan piston Silinda-wanda ya rasa ±0.02 mm juriyar sa na ciki. Mun gan shi sau uku a wannan shekara kadai: fayilolin CAD iri ɗaya, ƙayyadaddun jiyya na zafi iri ɗaya, duk da haka wani tsari ya wuce gwajin aiki yayin da wani ya fashe yayin tabbatar da matsa lamba. Bambancin? Neman kayan abu, sarrafa ƙananan tsarin a wurin aikin simintin gyaran gyare-gyare, da kuma yadda ƙwaƙƙwaran girman binciken ke daidaitawa tare da bita na ƙarfe.
Me yasa "Madaidaici" a cikin Casting Ba kawai Game da Haƙuri ba-Yana Game da Ladabin Tsari
Zubar da sassa na ƙarfe masu jurewa baya yin injina da yashi maimakon carbide. Yana sarrafa gradients thermal a fadin simintin ƙarfe na kilogiram 120 yayin da yake riƙe da GD&T callouts don haɗin gwiwa, cylindricity, da gamawar saman-duk kafin kayan aikin CNC guda ɗaya ya taɓa ɓangaren. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., muna kula da zuba jari da yashi simintin gyaran kafa a matsayin saman machining ayyukan. Wannan yana nufin sarrafa ƙancewar ƙura tare da tsararrun thermocouple na ainihi-ba kawai auna simintin simintin ba. Yana nufin pre-cancantar kowane AMS 5387 cobalt alloy lot da ASTM E112 size hatsi da ASTM E1268 hadawa matsayin * kafin * zuba. Kuma yana nufin tabbatar da ainihin motsi a cikin yashi ta amfani da CT scanning-ba kawai dubawa na gani ba.
Wannan horo ya fi dacewa ga abubuwan da ke tattare da ilimin lissafi da microstructure: bawul ɗin matsa lamba waɗanda ke rufe a 400 ° C, winch center shaft rollers ɗauke da kaya mai ƙarfi na 18-ton, ko tushen famfo suna ɗaukar girgizar jituwa na 120 Hz. Bambancin kauri na 0.05 mm a cikin gida mai tushen cobalt na T800 yana canza yanayin sanyaya na gida - kuma yana haifar da sauyi na martensitic inda austenite yakamata ya mamaye. Sakamakon? Microcracks waɗanda ba za su bayyana a cikin gwajin rini-mai shiga ba amma za su yaɗu a ƙarƙashin damuwa na cyclic. Muna kama waɗancan hatsarori da wuri saboda ƙofofinmu masu inganci ba bincike na ƙarshe ba ne—raɗin kayan aiki ne.
Ƙarfi huɗu waɗanda A Haƙiƙa suke Matsar da Allura akan Simintin gyare-gyare
Yawancin masu samar da kayayyaki suna lissafin "CNC machining," "simintin gyare-gyare," da "maganin zafi" azaman sabis na daban. Kadan ne ke haɗa su da tamsu har ƙunshewar simintin gyare-gyaren ramawa don jujjuyawar injina-ko kuma ana daidaita zagayowar yanayin zafi dangane da ainihin karatun taurin simintin. Ga abin da ya bambanta:
- Ƙirar Ƙira Na Musamman: Domin cobalt-nickel gami kamar AMS 5387, muna amfani da yumbu harsashi molds tare da sarrafawa permeability-ba daidaitattun silica. Me yasa? Don rage porosity gas a cikin kauri sassa ba tare da hadaya saman gama (Ra ≤ 1.6 μm as-siminti).
- In-Process CMM Tabbatarwa: Ana duba kowace simintin gyare-gyare mai mahimmanci *bayan shakeout*, *bayan rage damuwa*, da *bayan machining*. Ba kawai ma'auni ba-muna bin diddigin ɓarna don daidaita hanyoyin kammala kayan aiki da ƙarfi.
- Ka'idojin Kammala Haɓaka: Tushen famfo mai bakin karfe baya fashewa sannan ya wuce. Yana samun tururi zuwa Ra 0.4 μm, sannan a sanya shi lantarki don cire abubuwan da aka haɗa da baƙin ƙarfe-mahimmanci don juriyar lalata a cikin sabis na mai & iskar gas.
- Cikakken Batch Traceability: Kowane simintin gyare-gyare yana ɗauke da lambar QR da ke haɗawa da narkakken log ɗin sa, nazarin yanayi, rahoton rediyo, da bayanan CMM. Babu “matsakaicin tsari”—kawai tabbacin kowane bangare.
Haqiqa farashin simintin gyare-gyare na "Madalla da Isar".
Wasu abokan ciniki suna tambaya: "Za ku iya riƙe ± 0.1 mm maimakon ± 0.02 mm don yanke lokacin jagora?" Mun amsa da gaskiya: Ee-amma kawai idan ɓangaren yana gudana a cikin ƙananan hydraulics ba tare da gajiyawar gajiya ba. Don aikace-aikacen sawa masu tsayi, juzu'i masu sassaucin ra'ayi suna haɓaka damuwa ta lamba da 37% (kowace ka'idar tuntuɓar Hertzian), haɓaka lalacewa a cikin mu'amalar piston-cylinder. Mun sau ɗaya sake ƙididdige tsammanin rayuwa don injin winch shaft: ± 0.05 mm runout rage annabta rayuwar sabis daga 12,000 hours zuwa 4,800 hours. "Ajiye" ya ɓace lokacin da ake ƙididdige aikin maye gurbin filin, rashin lokaci, da da'awar garanti.
Abin da ya sa ba ma faɗin “maganganun haƙuri ba.” Mun faɗi * sakamakon aiki *: "Wannan gidaje na Silinda zai kula da ƙarfi> 92% na ƙima a cikin zagayowar 50,000 a mashaya 320." Wannan yana buƙatar aiwatar da madaidaicin aiwatar da masana'anta-ba kawai takardu ba.
Abin da ke zuwa na gaba: Inda Madaidaicin Simintin Simintin Ya Haɗu da Dogaran Matsayin Tsari
A shekara mai zuwa, muna ba da tabbaci ga kayan aikinmu ga AS9100 Rev D-ba don sararin samaniyar shine babbar kasuwar mu ba, amma saboda tsananin tsarin sa yana fallasa ɓoyayyun raunin da ke cikin simintin gyare-gyare. Har ila yau, muna ƙaddamar da shirin R&D na haɗin gwiwa tare da cibiyar kayan aikin Turai don ƙirar hanyoyin ƙarfafawa don T800 cobalt gami a cikin rikitattun geometries. Makasudin? Yi tsinkaya microsegregation kafin zub da farko.
Idan aikace-aikacenku yana buƙatar aikin maimaituwa a ƙarƙashin matsananciyar matsa lamba, zafin jiki, ko lalacewa - kar ku daidaita don yin simintin da "ya dace da zane." Bukatar simintin gyare-gyaren da ta dace da ilimin lissafi. Neman daidaiton ƙira a cikin tsarin - ba kawai aunawa bayan an gama shi ba. Wannan shine ma'auni a bayan kowane bangare mai ɗauke da sunan QINGDAO QIANGSENYUAN-da kuma dalilin da yasa OEMs na duniya ke dawowa don ƙarni na uku da na huɗu na famfo, bawul, da na'urorin tsarin injin ruwa.
