Bakin karfen saka hannun jari yana ba da daidaitattun sassa masu siffa inda kayan aikin gargajiya ke da iyaka-musamman ga hadaddun geometries, bangon bakin ciki, ko hanyoyin ciki a cikin bawul ɗin ruwa, gidajen famfo, da abubuwan haɗin mai. Mun jefa sama da 2,400 nau'ikan bakin karfe na musamman a cikin watanni 18 da suka gabata kadai - kuma kowane yana buƙatar kulawar girma fiye da ± 0.05 mm, cikakken yanayin yanayin ƙananan ƙwayoyin cuta, da ƙarancin ƙarancin ƙarfi a cikin yankuna masu ɗaukar matsi. Wannan ba ka'idar ba ce. Aiki ne na yau da kullun a cikin kafuwar mu mai shedar ISO a Qingdao.
Me yasa saka hannun jarin simintin bakin karfe ya doke madadin aikace-aikace masu mahimmancin manufa
Yawancin injiniyoyi sun saba zuwa CNC-machined 316 ko 17-4PH lokacin da suke buƙatar juriya da ƙarfi. Amma mashin ɗin yana farawa da ƙaƙƙarfan hannun jari - ɓarna 60-85% na abu akan sassa kamar filayen famfo famfo na silinda tare da ɓangarorin ɗabi'a, tashoshin radial, da flanges masu asymmetrical. Zuba hannun jari bakin karfe yana kawar da wannan sharar gida yayin adana kayan aikin injiniya: ƙarfin ƙarfi yana tsayawa tsakanin ± 3% a cikin zafi ɗaya, kwararar hatsi yana biye da hanyoyin ɗaukar nauyi, kuma ƙarewar saman kamar yadda simintin ya kai Ra 3.2 µm- shirye don rufe saman ba tare da niƙa ba.
Mun ga abokan ciniki sun canza daga simintin yashi zuwa saka hannun jarin simintin bakin karfe bayan an samu nasara akai-akai a manyan na'urorin lantarki. Yashi simintin gyare-gyare ya fashe a fillet ɗin da ke ƙarƙashin ƙwanƙwasa MPa 35. Simintin saka hannun jari ya wuce zagayowar 500,000 a 42 MPa-saboda tsarin kakin zuma yana ɗaukar radi zuwa 0.3 mm, yana kawar da kusurwoyi masu kaifi. Bambancin ba kawai kayan kwalliya ba ne. Yana da ingancin ƙarfe, an tabbatar da shi ta ASTM A743/A744 kuma yana goyan bayan takamaiman takaddun zafi.
Babban fa'idodin ba su cika ba - ana iya auna su:
- Girman maimaitawa: CMM-tabbatar yarda haƙuri a 99.7% a fadin 12,000+ samar da kuri'a
- Amfani da kayan aiki: 82% matsakaicin yawan amfanin ƙasa vs. 28% don daidaitattun sassa na inji
- Zane 'yanci: Babu daftarin kusurwoyi da ake buƙata; Ƙarƙashin yanke, ramukan makafi, da haɗe-haɗen abubuwan hawa da aka jefa kai tsaye
- ingancin saman: Babu layukan rabuwa, walƙiya, ko madaidaicin motsi-mahimmanci don mu'amalar hatimi mai ƙarfi
Kudin ɓoye na tsallake kayan abu da daidaita tsarin aiki
Wasu suna ɗaukan kowane nau'in bakin karfe yana aiki don simintin saka hannun jari. Ba daidai ba. Mun kawar da zafafan samfura guda uku na 2205 duplex saboda harsashi slurry ba zai iya jure girman ƙarfinsa ba. Abubuwan daraja-amma haka yadda kuke jefa shi. 304 da 316 suna nuna halin tsinkaya a daidaitattun harsashi na tushen silica. Amma superaustenitics kamar AL-6XN suna buƙatar harsashin zirconia da ke da alaƙa da yumbu da madaidaicin ƙimar ramping. Cobalt-ƙarfafa 317LMN? Yana buƙatar zubar da injin-taimaka don murkushe ramin gas.
Abin da ya sa muke haɓaka ƙayyadaddun bayanai na kayan aiki tare da masu ba da kaya-ba kawai siyan ingots “certified” ba. Lokacin da abokin ciniki na Turai ya buƙaci AMS 5387-mai yarda da gidaje 6-pump, mun gwada narke batches biyar a kan raƙuman haɓakar thermal, tazarar hannu dendrite, da taswirorin rarrabuwa na interdendritic. Biyu ne kawai suka cika bukatun rayuwar gajiya a 120 ° C. Sauran sun tafi guntu-ba kayan ku ba, ba jadawalin ku ba.
Sakamakon ainihin-duniya: Abokin ciniki na kudu maso gabashin Asiya ya rage gazawar bawul ɗin bawul da kashi 94% bayan an canza shi daga simintin saka hannun jari na 316 zuwa yanayin yanayin mu wanda aka zuba 316L tare da ragowar oxygen ≤12 ppm. Gyaran ba sabon zane ba ne. Daidaitaccen ƙarfe ne, ana aiwatar da shi akai-akai.
Abin da ke sa mai kawo kaya da gaske - ba ƙwararru kawai ba
Takaddun shaida suna da mahimmanci-amma ba su bada garantin aikin sashi ba. Muna duba duk wani mai yuwuwar mai siyarwa akan abubuwa guda huɗu waɗanda ba za a yi sulhu ba:
- Raw kayan ganowa: Cikakkun lambar zafi mai shiga daga ingot zuwa sashin ƙarshe, tare da tabbatarwa da bayyani a dubawa mai shigowa
- Tsarin yanayin aiki: CMM yana duba tsarin kakin zuma *da* taron harsashi-ba kawai an gama simintin ba
- Tabbatar da ƙananan tsarin: Etched sassan giciye da aka sake dubawa ta ASTM E112 don girman hatsi, rarraba carbide, da abun ciki na delta ferrite
- Gwajin aiki: Gwajin lalata matsi a 1.5 × matsa lamba na aiki, tare da gano leak helium zuwa 1 × 10⁻ mbar · L / s
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. ya shafi duka huɗun-ba azaman wuraren bincike ba, amma azaman abubuwan sarrafawa. Lokacin da kuka ba da odar saka hannun jarin simintin ɓangarorin ƙarfe daga gare mu, kuna samun rahotanni masu girma dabam, taƙaitaccen bincike na gani, da hotuna masu ƙanƙanta-ba kawai takardar shaidar yarda ba. Domin takardar da aka sanya hannu ba ta hana famfo gidaje daga fashewa a farawa.
Matakai na gaba: Daga zane zuwa bayarwa, ba tare da mamaki ba
Idan aikinku na gaba ya ƙunshi saka hannun jarin simintin bakin karfe don matsananciyar matsa lamba, sawa mai yawa, ko mahalli masu tsauri na sinadarai - fara da bitar masana'anta. Aika kunshin ku na GD&T. Za mu tuta fasali waɗanda ke fitar da farashi (kamar sassan bangon 0.1 mm a cikin 316) ko ƙin yarda da haɗari (ƙananan saman da ba a bayyana ba akan filayen rufewa). Za mu ba da shawarar sauye-sauyen gami waɗanda ke haɓaka simintin gyare-gyare ba tare da sadaukar da aiki ba-kamar sauyawa daga 17-4PH zuwa 15-5PH don ingantacciyar juriya mai zafi mai zafi a cikin na'urori masu ɗaukar nauyi na yanki-yankin winch.
Babu tsaron ƙofa. Babu rubutun tallace-tallace. Maganar injiniya kawai ta samo asali ne a cikin abin da ke aiki - da abin da ya kasa - a cikin samarwa na gaske. Za ku sani a cikin sa'o'i 72 ko ƙirar ku za ta yi tsafta, injina da aminci, da yin aiki ƙarƙashin kaya. Wannan saurin yana zuwa daga yin wannan kullun-ba lokaci-lokaci ba.
Zuba jari simintin bakin karfe ba game da dacewa ba ne. Yana da game da warware matsalolin mashin ɗin ba zai iya taɓawa ba - ba tare da ciniki ba amintacce. An gina madaidaicin. Ana samun amana-zafi ɗaya, kuri'a ɗaya, gwajin matsa lamba ɗaya a lokaci guda.
