Lokacin da injiniyoyi suka bayyana a jefa baƙin ƙarfe factory, Ba wai kawai yin oda ba ne - suna zaɓar abokin tarayya wanda ya fahimci yanayin yanayin zafi na zafi, sarrafa yanayin yanayin graphite, da kuma yadda 0.02 mm drift drift a cikin silinda gidaje zai iya shiga cikin rashin ingancin na'ura mai aiki da karfin ruwa. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., fahimtar ba ta ka'ida ba ce. An gina shi a cikin kowane nau'in yashi da aka zuba, kowane simintin gyaran gyare-gyaren zafi da aka duba, da kowane GD&T kiran da aka tabbatar akan CMM.
Madaidaicin Farawa Kafin Zuba
Yawancin masu siye suna ɗaukan simintin ƙarfe na ƙarfe ne-har sai bawul ɗin matsa lambansu ya gaza a mashaya 280. Gaskiyar gaskiya? Ba duk baƙin ƙarfe ba ne ya dace da ASTM A48 Class 30B. Ba duk baƙin ƙarfe ba ne ke riƙe da daidaiton nodularity a kan tushen famfo mai nauyin kilogiram 45. Mun ga abokan ciniki sun ki amincewa da cikakken ayyukan samarwa guda biyu saboda takaddun shaida ba su da binciken ladle mai iya ganowa - kuma babu wanda ya kama shi har sai an tabbatar da ruwa na ƙarshe.
Shi ya sa namu jefa baƙin ƙarfe factory yana ɗaukar ƙarfe a matsayin injiniyanci, ba saye ba. Mun samo asali ne kawai ISO 9001-kwararren ƙarfe na alade da ferrosilicon daga masu siyar da aka tantance. Kowane batch yana jure wa spectrographic tabbaci *kafin* narkewa. Siffar zane da ƙididdige nodule an inganta su ta hanyar nazarin microstructure ASTM E2367 - ba kawai taurin kai ko rahotannin tensile ba. Lokacin da abokin ciniki ke buƙatar ASTM A don abin nadi na cibiyar winch, muna isar da shi tare da cikakken tarihin zafi, ba kawai tambari mai daraja ba.
Wannan horo yana biya a inda ya dace: a rayuwar gajiya. Gidajen silinda na piston famfo na mu akai-akai sun wuce hawan hawan matsin lamba miliyan 1.2 a cikin gwaji na ɓangare na uku-saboda tsarin simintin yana sarrafa ƙimar sanyi, yana guje wa ƙananan raguwa a cikin filaye masu mahimmanci, kuma yana tabbatar da ƙimar pearlite / ferrite iri ɗaya a cikin sassan bango.
Inda Casting Ya Haɗu da CNC-Ba tare da Rarraba ba
Wasu masana'antu suna fitar da injina. Wasu suna ɗaukar simintin gyare-gyare da ƙarewa a matsayin silo na daban. Wannan yana haifar da giɓi: madaidaicin datums, damuwa saura mara ƙarfi, asarar ƙimar ƙasa yayin roughing. Ba mu yin haka.
Haɗin kai tsaye yana nufin ƙungiyar ɗaya wacce ta tsara tsarin gating kuma tana tsara injin niƙa mai axis 5 wanda ya ƙare wurin zama na bawul. Sakamakon? Gidajen Silinda tare da ± 0.015 mm sun haifar da daidaituwa - an cimma su ba tare da taimakon damuwa na injina ba. Tushen famfo tare da saman hawa na inji wanda aka riƙe zuwa 0.005 mm lebur sama da 600 mm-yayin da yake riƙe da ƙaƙƙarfan tsarin da aka jefa a cikin wuraren da ba injina ba.
Muna injin abin da ke da mahimmanci: saman rufewa, masu ɗaukar mujallu, fuskokin flange. Mun bar abin da ke aiki: haƙarƙari, gussets, da ɓangarorin zafi-daidai kamar yadda aka ƙera a cikin ginin. Babu sake yin aiki. Babu zato. Jiometry na aiki kawai, an kawo.
Ingancin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarfafawa kawai
"Tabbataccen ISO" baya ba da tabbacin bututun ƙarfe na cobalt zai tsira daga hawan zafin jiki na 450°C. Mun sani-saboda mun gwada abubuwan AMS 5387 a ƙarƙashin yanayin duniya na ainihi: hazo na gishiri yana biye da saurin zafin zafi, sannan gwajin kwararar aiki a ƙimar matsa lamba.
Tsarin ingancin mu yana haɗa tabbaci a wuraren bincike guda huɗu waɗanda ba za a sasanta ba:
- Kayayyakin shigowa: Spectrographic ID + Tabbatar da girman hatsi kafin kowane narke
- Geometry As-cast: Cikakken sikanin CMM na mahimman fasali-ba samfuri
- Kwanciyar hankali bayan zafin jiki: Matsakaicin sake dubawa bayan kawar da damuwa ko annealing
- Tabbatar da aikin ƙarshe: Gwajin matsin lamba, ƙimar ƙasa ta Ra, dubawa ta gani ta ASME B16.1 ko takamaiman abokin ciniki AQL
Kowane bangare yana jigilar kaya tare da matrix mai ganowa: lambar zafi, log ɗin narkewa, bayanan dubawa, da rahoton GD&T. Idan wani sashi ya gaza a filin, muna sake gina duk tafiyarsa - ba kawai aiki na ƙarshe ba.
Me yasa Injiniyoyin Duniya ke Zaɓan Wannan Kamfanin Cast Iron Factory
Kayan aikin filayen mai na Arewacin Amurka OEMs suna oda daga gare mu saboda muna inganta zane * kafin * kayan aiki — kama matsalolin tsangwama a cikin sassan T800 cobalt gami da famfo wanda zai kashe $18,000 a cikin simintin da aka cire. Masu haɗin tsarin hydraulic na Turai sun dogara da mu don batches bawul mai maimaitawa - inda kashi 99.2% na farko-farko bai yi kyau ba. Yana da tushe.
Ba mu sayar da simintin gyare-gyare. Muna magance matsaloli tare da kwanciyar hankali mai girma, juriya, da mutuncin matsa lamba - goyon bayan bayanai, ba alkawuran ba. Lokacin da kuke buƙatar a jefa baƙin ƙarfe factory wanda ke magana da ƙwaƙƙwaran ƙarfe, GD&T, da injiniyan aikace-aikace-ba kawai faɗin software ba- kuna aiki tare da mutanen da suka riƙe ƙirar, karanta micrograph, kuma suna kallon binciken CMM suna bin sahihan matsayi na 3 mm diamita rami datum.
Lokaci na gaba da za ku ƙididdige ɓangaren simintin gyare-gyare, tambaya: Shin mai samar da ku yana sarrafa graphite? Shin za su iya riƙe 0.02 mm akan injin da aka kera * da kuma garantin nodularity a cikin sashin 300 mm? Shin suna gwada aikin-ko kawai yarda? Wannan bambancin ya raba mai sayarwa da a jefa baƙin ƙarfe factory gina don manufa-mahimmancin aiki.
