Lokacin da injiniyoyi a cikin ƙirar tsarin injin hydraulic ko siyan kayan aikin filin mai suna neman a daidaici zuba jari simintin gyaran kafa kamfanin factory, ba kawai suna neman wani mai kaya ba. Suna neman tabbataccen ƙima a ƙarƙashin juriya na 0.02 mm, ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun tsarin bayan jiyya na zafi, da bambancin batch-to-batch a cikin abubuwan haɗin cobalt-nickel-musamman lokacin da ɓangaren shine gidan famfo na AMS 5387 yana aiki a 4,000 psi.
Wannan shine inda ƙwarewar duniyar duniyar ta canza komai. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mun kera sama da 17,000 T800 gami da nozzles tun daga 2019-kowanne yana buƙatar cikakken ganowa daga takaddun takaddun billet zuwa rahoton CMM na ƙarshe. Mun ga yadda rashin daidaituwa na 0.003 ″ a cikin gidan famfo na silinda na piston yana haifar da gazawar hatimi a cikin rigs na kudu maso gabashin Asiya. Mun kuma ga yadda farkon bita na GD&T-kafin fara kayan aiki-ya yanke lokacin jujjuyawar samfur da kashi 60%.
Me yasa haɗin kai tsaye yana da mahimmanci fiye da yadda kuke tunani
Yawancin masu siye suna ɗaukar "simintin saka jari" da "CNC machining" sabis ne daban. Ba su ba — lokacin da ɓangaren ke da mahimmancin manufa. Jikin bawul ɗin da aka jefa a cikin bakin karfe dole ne ya riƙe kwanciyar hankali *bayan* kawar da damuwa, maganin zafi, da niƙa mai axis biyar. Wannan yana aiki ne kawai lokacin da simintin gyare-gyare, magani na zafi, da injina ke faruwa a ƙarƙashin rufin ɗaya-tare da haɗin kai, haɗaɗɗen rajistan ayyukan abu, da ingantaccen tsarin aiki tare.
QINGDAO QIANGSENYUAN yana aiki haka. Kayan aikin da ya dace da ISO yana amfani da simintin yashi don manyan tushe na famfo, simintin saka hannun jari don matosai na cobalt gami da kauri na bango zuwa 1.8 mm, da Multi-axis CNC aiki akan taurare 17-4PH shafts — duk a cikin guda samarwa kwarara. Babu handoffs. Babu kurakuran fassarar bayanai. Babu asarar tarihin maganin zafi tsakanin dillalai.
Wannan ba ka'idar ba ce. Lokacin da OEM na Turai ke buƙatar raka'a 240 na abin nadi mara daidaituwa na winch cibiyar shaft-wanda aka yi daga AMS 5387, tare da ± 0.015 mm zagaye akan 120 mm OD-mun isar da amincewar labarin farko a cikin kwanaki 11. Ba don mun ruga ba. Domin ƙungiyar mu ta kafa ta sun riga sun cancanci ƙimar ƙima tare da irin nau'in cobalt-nickel gami da aka yi amfani da su a samarwa na ƙarshe-kuma masu aikin injin ɗinmu sun yi amfani da ainihin bayanan don saita abubuwan daidaitawa kafin a fara yankewa.
Abin da ya kasa - kuma me yasa - lokacin da cobalt alloys ba su da ƙayyadaddun bayanai
Wasu masu siye suna samo abubuwan haɗin cobalt daga tushen tushen gaba ɗaya. Suna samun sassan da suka wuce dubawa na gani-amma sun kasa gwajin aiki a 350°C. Me yasa? Saboda AMS 5387 yana buƙatar tsananin sarrafa abun cikin carbon (0.15-0.25%), silicon (≤1.0%), da boron (0.001-0.006%). Bambanci mai ƙanƙanta kamar +0.002% boron yana rage zafin zafi da 18%. Ba zai bayyana a cikin gwajin PMI na asali ba - amma zai haifar da galling a cikin wurin zama mai matsa lamba.
Muna guje wa wannan ta hanyar haɓaka ƙayyadaddun ƙayyadaddun kayan aiki tare da ƙwararrun masu kaya-da kuma tabbatar da kowane mai shigowa mai shigowa tare da OES spectroscopy * da * gwajin lalata intergranular ta ASTM A262 Practice E. Muna adana cikakkun bayanan batch: lambar narkewa, zuba zafin jiki, ƙimar sanyaya, lokutan zagayowar yanayin zafi. Idan abokin ciniki ya nemi sake gwada bayanan bayan watanni shida? Muna ja shi a cikin ƙasa da minti biyu.
Wannan horon ya ƙara zuwa ilimin lissafi. Tsarin awo na gani na mu yana tabbatar da daftarin kusurwoyi akan injin turbin da aka jefar da hannun jari kafin cire harsashi. CMMs ɗin mu suna gudanar da ayyukan GD&T mai sarrafa kansa-ba kawai “duba diamita ba”—amma matsayi, bayanin martaba, da runout dangane da abubuwan da aka ayyana a cikin zane. Babu zato. Babu sokewa da hannu.
Isarwa ta gaske-ba tare da ma'ajin "kawai-in-case" ba
"Lokacin jagorar barga" yana nufin abubuwa daban-daban a cikin masu kaya. Wasu suna faɗin makonni 12-kuma ƙara makonni 3 don nazarin injiniyanci, ƙarin 2 don siyan kayan, da 1 don sake yin aiki. Wasu suna ginawa a cikin 30% jaddawalin jadawalin "kawai idan."
Ba mu. Shirye-shiryen samar da mu yana amfani da nazarin lokaci na takt-ba ƙididdigar kalanda ba. Don odar matsakaicin girma ( inji mai kwakwalwa 50-500), muna kulle iya aiki yayin zance dangane da ainihin lokacin aikin na'ura, matrices ƙwararrun ma'aikata, da wadatar tanderu-ba maƙunsar rubutu ba. Prototype yayi odar jigilar kaya a cikin kwanaki ≤14 idan zane yana da tsabta kuma kayan suna hannun jari. Umurnin ƙarar sun buga 98.7% akan isarwa kan lokaci-ana auna daga ranar PO da aka tabbatar zuwa tashar jirgin ruwa, ba ranar daftari ba.
Kuma a—muna gudanar da hadadden taro. Kwata na ƙarshe, mun aika da cikakken toshe manifold na na'ura mai ba da hanya tsakanin hanyoyin sadarwa: Jikin 316L na zuba jari, musaya na tashar tashar jiragen ruwa na CNC, hanyoyin cikin nickel-plated, da gwajin helium-leak a 10⁻⁹ mbar·L/s. Duk daga wuri ɗaya. Duk tare da cikakkun takaddun yarda da AS9102 sun haɗa.
Ga injiniyoyin da ke samar da gawa mai ƙarfi, manyan abubuwan haɗin kai-musamman don aikace-aikacen hydraulic, mai & gas, ko aikace-aikacen abin hawa mai nauyi-a daidaici zuba jari simintin gyaran kafa kamfanin factory dole ne isar da fiye da sassa. Dole ne ya sadar da tsinkaya: a cikin ƙarfe, a cikin lissafi, a cikin lokaci. QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana gina wannan tsinkaya a cikin kowane mataki na tsari-ba a matsayin alkawari ba, amma azaman fitarwa mai aunawa. Lokaci na gaba da ƙirar ku ta yi kira ga filogi na cobalt gami ko tushen famfo na bakin karfe, tambaya ba kawai “wa zai iya yin ta ba?” - amma “wa ya riga ya yi 10,000 daga cikinsu, daidai irin wannan?”
