Lokacin da injiniyoyi suka ƙididdige abubuwan haɗin haɗin cobalt-nickel don famfuna na ruwa, bawul ɗin matsa lamba, ko tsarin winch na teku, tambaya ɗaya ta kan yi ta maimaitawa: A ina kuke samo sassan masana'anta na Co 4 waɗanda ke riƙe juriya a ƙarƙashin 0.01 mm - kuma suka tsira sama da sa'o'i 20,000+ a cikin lalata, sabis na sawa? Ba kowane mai siyarwa bane ke sarrafa AMS 5387 cobalt alloy ko simintin tushen T800 tare da horon ƙarfe da ake buƙata. Mun ga samfura sun gaza wajen tabbatarwa saboda an rasa gano abubuwan gano abubuwa. Mun ga jinkirin isarwa lokacin da ba a biya diyya ba yayin shirye-shiryen CNC. Abin da ya sa madaidaicin masu siye ke ƙara ketare masu tsaka-tsakin ciniki kuma suna zuwa kai tsaye ga masana'antun da ke sarrafa narkewar gami da narkewar kwane-kwane-kamar QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD.
Ƙarfin masana'anta na Co 4 yana farawa da ikon mallakar ƙarfe - ba kawai injina ba
Yawancin masu samar da kayayyaki suna yiwa kansu lakabin "ƙwararrun masana'antar cobalt alloy" amma suna fitar da simintin gyare-gyare ga kamfanoni na uku. Wannan yana haifar da tazara mai mahimmanci: babu iko akan tsarin hatsi, rarraba carbide, ko rarrabuwa tsakanin dendritic. A QINGDAO QIANGSENYUAN, aikin masana'anta na Co 4 yana farawa tare da ƙwararrun albarkatun albarkatun ƙasa-AMS 5387 ingots waɗanda aka tabbatar da rahoton gwajin niƙa da bincike na yanayi kafin zubawa. Yashi da layukan simintin saka hannun jari suna gudana ƙarƙashin ingantattun bayanan bayanan zafi, ana biye da su nan da nan ta hanyar warwarewa da sanyaya mai sarrafawa ta ASTM A995. Me yasa wannan ya shafi? Saboda piston famfo silinda gidaje sun kasa daga ƙarewar saman-amma daga ƙaddamarwar microcrack tare da iyakoki masu rauni waɗanda aka kafa yayin ƙarfafawar mara ƙarfi. Haɗin kansu na tsaye yana nufin simintin simintin gyare-gyare, zazzagewar yanayin zafi, da hanyoyin kayan aikin CNC masu yawa-axis an inganta su azaman tsari ɗaya-ba matakai uku da aka yanke ba.
Ayyukan aiki na duniya na ainihi sun rataye kan kwanciyar hankali mai girma a cikin matakan tsari
Mun sau ɗaya sake duba kunshin GD&T na abokin ciniki don taron cobalt alloy bututun ƙarfe: kiran matsayi na gaskiya na ± 0.005 mm akan ɓangarorin coaxial shida, ƙarancin ƙasa Ra ≤ 0.4 µm akan fuskokin rufewa, da taurin 42-46 HRC bayan tsufa na ƙarshe. Sashin ya wuce binciken CMM bayan aikin injin-amma ya kasa gwajin aikin bayan sa'o'i 72 na bayyanuwar fesa gishiri. Tushen dalili? Ragowar danniya ba a jera shi ba tsakanin karkasa da yanke yanke. Ma'aikatar QINGDAO QIANGSENYUAN's Co 4 tana sanya damuwa-tsakanin ayyukan injina-ba kawai a ƙarshe ba. Suna amfani da tabbatarwar CMM a cikin aiki akan kayan aikin ƙarfe masu tauri (ba aluminum ba), suna bin yanayin zafi na sa'o'i, kuma suna amfani da algorithms ramuwa waɗanda aka daidaita su zuwa takamaiman injunan Haas da DMG MORI. Sakamako: Jikunan bawul ɗin matsa lamba suna ci gaba da samun 0.008 mm jimlar gudu a cikin tsayin 300 mm-ko da bayan wucewar ƙarshe.
Ba duk abubuwan haɗin cobalt ba daidai suke ba—majin kayan abu yana bayyana iyakokin aikace-aikace
- AMS 5387 cobalt alloy 6An yi amfani da shi inda juriya na yashwa ya fi ƙarfin ƙarfi - tunanin injin injin jet ko kujerun bawul na ƙarƙashin teku. Matsakaicin zafin sabis na ci gaba: 815°C.
- T800 cobalt na tushen gami: An zaɓa don sassa masu ɗaukar nauyi kamar winch center shaft rollers. Babban abun ciki na nickel yana inganta rayuwar gajiya a ƙarƙashin torsion na cyclic-amma yana buƙatar ciyarwar injin a hankali da tsayayyen daidaitawa.
- Geometries marasa daidaito: Injiniyoyinsu ba kawai yin zane-zane ba ne. Suna tuta sassan bangon bakin ciki masu saurin jujjuyawa yayin kashewa, suna ba da shawarar daftarin kusurwoyi don cire harsashi, da kuma tabbatar da ƙimar kauri daga bango da ingantaccen bayanan simintin.
Wannan ba ilimin ka'idar bane. An gina shi daga rubuce-rubucen famfo gidaje 127 don gina OEMs na Turai-da kuma nazarin gazawar 43 na abubuwan haɗin cobalt da aka dawo da filin. Lokacin da abokin ciniki ya nemi filogi na al'ada tare da tashoshi masu sanyaya na ciki, ba su faɗi gaba ɗaya ba. Sun gudanar da FEA na thermal, sun ba da shawarar sake zagayowar HIP don kawar da porosity a cikin bangon tashar, kuma sun ba da samfurori na farko a cikin kwanaki 18-ba makonni takwas ba.
Samar da kai tsaye yana ba da tsinkaya-ba kawai farashi ba
Ƙungiyoyin sayayya sukan ɗauka "kayan masana'antu kai tsaye" yana nufin ƙananan farashi. Amma fa'ida ta hakika ita ce sarrafawa. Tare da QINGDAO QIANGSENYUAN, nazarin injiniya yana faruwa tare da masanin ƙarfe ɗaya wanda ya sanya hannu kan zafi na AMS 5387 na ƙarshe. Takaddun shaida na kayan aiki sun haɗa da cikakken tarihin zafi-ba kawai sunadarai na ƙarshe ba. Kowane jigilar kaya yana ɗaukar matakin ganowa: lambar narke, kwanan ranar jefawa, ID na tanderun zafi, da jerin rahoton CMM. Babu ƴan kwangilar baƙar fata. Babu mamaki sake yin cajin NDT mara shiri. Don abokan ciniki na Arewacin Amurka, lokacin jagora don umarni na matsakaici-girma (50-500 inji mai kwakwalwa) matsakaicin makonni 6-8-ciki har da cikakken girma, taurin, da dubawar ultrasonic. Samfurin juyawa? Matsakaicin kwanakin aiki 11-tare da cikakkun takaddun FAI da aka daidaita zuwa AS9102.
Ana sa ran gaba, masana'antar Co 4 ta kasance mai kunkuntar da zurfi: sarrafa hanyoyin samar da kayayyaki inda simintin saka hannun jari ya hadu da niƙa 5-axis, faɗaɗa ɗaukar takaddun shaida na EN 10204 3.2, da tabbatar da sabbin bambance-bambancen cobalt don sabis na hydrogen. Idan aikin ku na gaba yana buƙatar sassan da ba kawai sun dace da ƙayyadaddun bayanai ba-amma suna ci gaba da aiki a inda wasu ke ƙasƙantar da su-fara da tattaunawa ta fasaha, ba buƙatar zance ba. Ba a kera madaidaicin cobalt ba. An ƙirƙira shi, tabbatarwa, kuma an maimaita shi.
