Lokacin da injiniyoyi suka bayyana a jefa baƙin ƙarfe casing factory, Ba wai kawai yin odar gidaje ba ne - suna tabbatar da amincin tsarin a ƙarƙashin 300+ mashaya matsa lamba na hydraulic, kwanciyar hankali mai girma bayan hawan keke na thermal, da ƙarewar saman da ke tsayayya da lalacewa mai lalacewa. Shi ya sa madaidaicin mahimmanci ya fi farashi. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mun machined a kan 12,000 piston famfo Silinda gidaje don teku hakowa na'urorin-kowane rike ± 0.015 mm haƙuri a kan gundura concentricity, tabbatar da Zeiss CMMs kafin zafi magani.
Me yasa kwandon ƙarfe ya gaza—da kuma yadda daidaitaccen simintin ya hana shi
Yawancin gazawar filin suna gano tushen tushe guda uku: ƙananan ƙarar porosity kusa da sassa masu kauri, rarraba nodule graphite mara daidaituwa a cikin maki ductile ƙarfe, ko machining-induced ragowar damuwa a cikin geometries na bakin ciki. Muna ganin wannan mako-mako yayin bitar abu mai shigowa-musamman tare da takaddun GGG-40 da ba a tantance ba daga wuraren da ba na ISO ba. Maganin mu yana farawa daga sama: muna samo EN-GJS-400-18-LT ƙwararren ƙarfe na ƙarfe daga masu siyar da aka tantance, tare da cikakken yanayin ganowa har zuwa rahotannin sunadarai. Kowane narke yana jure wa spectrographic bincike; kowane simintin gyare-gyare yana sanyaya a kan raƙuman sarrafa-ƙira-ba ɗakunan ajiya ba-don rage damuwa na ciki.
Sa'an nan ya zo da matasan aiwatar amfani. Ba kamar shagunan simintin gyare-gyare masu tsafta ba, muna haɗa simintin yashi tare da ƙarewar CNC mai axis guda biyar a cikin wuri ɗaya. Akwatin bawul ɗin ruwa yana zuwa azaman simintin simintin gyare-gyare. A cikin sa'o'i 72, an kawar da damuwa, wanda aka yi amfani da shi zuwa kiran GD&T na ƙarshe (ciki har da haƙurin matsayi na gaskiya na ± 0.02 mm akan ramukan hawa 16), da harbi-peened don matsananciyar damuwa. Babu handoffs. Babu matsaya mai girma tsakanin ayyuka. Wannan haɗin kai tsaye yana yanke lokacin jagora da kashi 38 cikin ɗari tare da sarƙoƙi na gargajiya - kuma yana kawar da "wa ke da alhakin?" Rage lokacin da mahalli ya zube a 250 ° C.
Inda cobalt gami suka hadu da simintin ƙarfe-da dalilin da yasa yake aiki
Wasu aikace-aikacen suna buƙatar kayan biyu a cikin taro ɗaya. Yi la'akari da tushe mai famfo laka: tushe dole ne ya sha rawar jiki (ƙarfin damping baƙin ƙarfe), yayin da babban matsi na hatimin wurin zama yana buƙatar juriyar galling cobalt gami. Mun jefa tsarin ƙarfe da farko, sannan CNC-injin daidaitattun tsangwama-daidaita aljihu don abubuwan da ake sakawa na cobalt na AMS 5387. Geometry na mu'amala ba bisa ka'ida ba - yana bin ka'idodin ASTM F2213 don rage rashin daidaituwar haɓakar thermal. Mun tabbatar da wannan ƙira a cikin jigogi 47 a cikin rijiyoyin hamadar Kuwaiti. Zero hatimi-wurin zama delamination bayan watanni 18 ci gaba da aiki.
Wannan ba ka'idar ba ce. An haife shi daga gwaji: hawan keke na thermal daga -20 ° C zuwa 280 ° C, 10,000-sake zagayowar gajiya loading, da ultrasonic dubawa na kowane saka bond line. Abokan ciniki suna tambaya: "Za ku iya weld cobalt zuwa baƙin ƙarfe?" Mun amsa: "Ba mu - muna injiniyan haɗin gwiwa don haka ba a buƙatar walda." Wannan shine bambanci tsakanin ƙirƙira da haɗin kai na aiki.
Yadda isar da saƙon duniya yake kama-ba ƙasidu ba
Wani OEM na Arewacin Amurka yana buƙatar 217 winch shaft rollers don motocin injiniyoyi masu ƙima. Mai ba da kayayyaki na farko ya rasa lokacin ƙarshe huɗu saboda lahani da yashi a cikin radius na flange. Mun karɓi PO tare da sharuɗɗa guda biyu: za mu gudanar da ingantacciyar magana ta farko akan zanen su * kafin * kayan aiki, kuma za mu aika 100% ɓangarorin da aka bincika tare da rahoton CMM ɗaya-ba kawai takardar shaidar yarda ba.
- Rana ta 1: Binciken GD&T ya ba da alamar kusurwa mara kyau wacce ke haifar da babban haɗarin motsi - mun ba da shawarar daidaitawa na 0.8° wanda ya ƙara farashin sifili amma an kawar da kashi 92% na ƙima a cikin tafiyar matukin jirgi.
- Rana ta 12: Na farko 5 simintin gyare-gyare sun wuce duban rediyo; Binciken microstructure ya tabbatar da daidaituwar pearlite/ferrite daidai da ISO 945-1
- Ranar 28: Dukkanin raka'a 217 an jigilar su tare da lambobi masu ƙima na Laser, bayanan gwajin ƙarfi, da daidaita bayanai don kowane ƙulli mai mahimmanci.
Babu saurin kudade. Babu ƙarin cajin jigilar kaya. Daidaitaccen tsarin sarrafa tsari-daga lambar yawan albarkatun kasa zuwa marufi na zafi na ƙarshe. Wannan shine amintacce ƙungiyoyin saye da siye da gaske: kan-lokaci-cikakken (OTIF) ≥99.3% cikin oda na 2023-2024.
Zaɓin masana'antar simintin ƙarfe na simintin ƙarfe - bayan takaddun shaida
ISO 9001 shine tushen tebur. Abin da ke raba abokan tarayya shine yadda suke magance rashin fahimta. Lokacin da abokin ciniki na Turai ya aiko mana da zane-zane-zane-zane don tushen famfo na al'ada-ba tare da takamaiman kayan aiki ba, babu juriya, babu bayanin ƙarewar saman-ba mu faɗi makaho ba. Mun gudanar da bita na masana'anta: EN-GJL-250 baƙin ƙarfe mai launin toka da aka ba da shawarar maimakon ductile don ingantacciyar damping na girgiza, ƙaddamar da niƙa mai ban sha'awa maimakon gundura don saurin zagayowar lokaci, da ƙirar murdiya mai zafi a cikin SolidWorks Flow Simulation. Sun amince da tsarin da aka sabunta a cikin sa'o'i 48.
Wannan shine ƙimar da ba a faɗi ba: shawarwarin fasaha wanda ke hana sake yin aiki. Ba "za mu yi abin da kuka aika ba." Amma "ga yadda za mu sa shi ya yi aiki - amintacce, akai-akai, da ganowa." Ko kuna buƙatar samfuri 1 ko raka'a 5,000 na shekara-shekara, ko rumbun gidan ku yana da injin turbine 500-hp ko bawul ɗin keɓewar teku - kimiyyar lissafi na simintin ƙarfe ba ya canzawa. Hakanan ba mu kusanci.
Idan kuna kimantawa a jefa baƙin ƙarfe casing factory, Yi tambayoyi uku: Shin za su iya nuna muku rahotannin CMM daga samarwa na watan da ya gabata? Shin suna sarrafa duka biyun simintin gyare-gyare da injina-ko fitar da ɗayan? Kuma lokacin da zanenku yana da rikici tsakanin ƙarfi da nauyi, shin suna ba da shawarar mafita-ko kawai suna cewa "ba zai yiwu ba"? Amsoshin sun gaya muku komai.
