Lokacin da injiniyoyi suka bayyana a rasa kakin zuma karfe simintin factory, ba kawai suna neman karfen da aka zuba a cikin wani tsari ba. Suna buƙatar kwanciyar hankali mai girma ƙarƙashin 300 MPa na'ura mai aiki da karfin ruwa matsa lamba. Ikon Microstructure a cikin AMS 5387 cobalt gami bayan maganin zafi. Sifili porosity a cikin gidan famfo mai diamita 120mm wanda ke jujjuyawa a 1,800 RPM yayin da yake yin hatimi akan slurry abrasive. Wannan shine gaskiyar aiki-ba kanun labarai ba.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana aiki da irin waɗannan kayan aiki guda ɗaya - ISO-tabbacecce, haɗaɗɗen tsaye, kuma an gina shi kusa da yanayin gazawar aiki. Mun jefa nozzles na tushen T800 don famfunan allura na bakin teku inda aibi na 0.05 mm ke haifar da zazzagewar bala'i. Mun yi injin famfo famfo piston tare da kiran GD&T mai ƙarfi fiye da ± 0.015 mm akan mahimmancin rufewa - kuma mun ba da amincewar labarin farko akan shirye-shiryen OEM na Arewacin Amurka guda uku a jere. Wannan ba iyawar ka'idar ba ce. Ana iya yin kisa a ƙarƙashin ƙaƙƙarfan ainihin duniya.
Me yasa ɓataccen simintin ƙarfe na kakin zuma ya kasa-sai dai idan kuna sarrafa waɗannan lefa huɗu
Yawancin gazawar suna gano ɗaya daga cikin gibba huɗu: rashin daidaituwar kayan abu, ɓarnar ƙira, asarar ingancin harsashi, ko rashin daidaituwar zafi yayin ƙarfafawa. Ma'auni na yau da kullun suna ɗaukar waɗannan azaman matakan keɓe. A wurin aikinmu na Qingdao, suna da madaidaicin ma'amala.
- Abubuwan gano abu yana farawa kafin narkewa: Kowane AMS 5387 ko F22 bakin ingot yana ɗauke da rahotannin gwajin niƙa kuma ana sake tabbatarwa ta hanyar duban gani na OES bayan an karɓa. Mun ƙi batches tare da> 0.02% sulfur karkata-ko da a cikin iyakokin ASTM A995-saboda yana da alaƙa kai tsaye tare da tsagewar zafi a jikin bawul mai katanga.
- Geometry na tsari yana riƙe zuwa ± 0.03 mm: Muna amfani da CNC-machined aluminum masters-ba 3D-bugu resins-don zuba jari alamu amfani a high girma samar. Me yasa? Resin shrinkage ya bambanta ta wurin zafi da lokacin warkewa; aluminum ba. Ɗaya daga cikin abokin ciniki na hydraulic na Turai ya rage yawan kin amincewa da gwajin gwajin su daga 4.2% zuwa 0.3% bayan canzawa zuwa tsarin tsarin mu.
- Ana auna ƙarfin harsashi-ba a ɗauka ba: Tsarin mu na yumbu harsashi tsoma-da-stucco ya haɗa da in-line danko saka idanu na slurries da sarrafa kansa stucco size bincike. Harsashi suna shan bushewa na sa'o'i 24 na raɓa kafin ta ƙare. Tsallake wannan matakin yana haifar da ƙananan fashe-fashe waɗanda suka zama ɓoyayyen ƙasa a cikin binciken X-ray na ƙarshe.
- Solidification yin tallan kayan kawa yana tafiyar da ƙirar gating: Muna gudanar da simintin MAGMAsoft don kowane sabon simintin ƙarfe-musamman ga maki mara kyau kamar CF8M inda rarrabuwar dendritic ke shafar juriya na lalata. An inganta tsarin gating ba kawai don cika lokaci ba, amma don ƙarfafa jagoranci zuwa masu tashi. Wannan shine yadda muke samun sauti a cikin tushe mai kauri na 85-mm ba tare da HIPing na biyu ba.
Inda machining ya hadu da simintin gyaran kafa: fa'idar matasan
Yin simintin kakin zuma da aka rasa shi kaɗai baya magance matsalar. Haka ma CNC machining. Madaidaicin ainihin ya zo inda suke tsaka-tsaki-kuma a nan ne haɗin kai tsaye ke ba da ROI mai aunawa.
Mun jefa jikin bawul ɗin bakin karfe tare da izinin injin injin 2.5 mm akan fuskokin rufewa, sannan mu gama su akan injunan DMG Mori mai 5-axis sanye da kayan bincike na Renihaw PH10M. Ana tabbatar da mahimmancin diamita a tsakiyar tsari ta amfani da taɓawa CMMs waɗanda aka daidaita zuwa ISO 10360-2. Sakamako? Jimlar karatun mai nuna alama yana tsayawa ƙarƙashin 0.008 mm a cikin tsayin 150 mm - ba tare da niƙa ba. Ɗaya daga cikin masana'antun famfo na kudu maso gabashin Asiya ya yanke jimlar lokacin jagorar su da kashi 37 cikin ɗari ta hanyar ƙarfafa simintin gyare-gyare da gama aikin injina tare da mu maimakon sarrafa masu samar da kayayyaki biyu.
Wannan ba game da dacewa ba ne. Yana game da kawar da kuskuren tarawa. Lokacin da mai simintin simintin ku ya riƙe ± 0.3 mm kuma shagon injin ku yana riƙe da ± 0.1 mm, mafi munin yanayin juriya ya zama ± 0.4 mm. Muna riƙe da matakai biyu a ƙarƙashin rufin ɗaya - kuma muna sarrafa canjin datum tsakanin su. Wannan shine dalilin da ya sa bawul ɗin matsa lamba namu sun haɗu da API 6D leakage Class A ba tare da tsalle-tsalle na sakandare ba.
Abin da abokan ciniki ke tambaya-kuma abin da suke bukata
"Za ku iya jefa bakin karfe?" ba wuya tambayar da ta dace. Na gaske suna zuwa daga baya:
- "Shin wannan mahalli na 316L zai iya riƙe ƙarfi sama da 425 ° C bayan jefawa + maganin anneal?" → Ee-tare da cikakkun bayanan kula da zafi da bayanan gwajin tensile a kowane ƙwararren batch ASTM A370.
- "Za ku iya riƙe 0.005 mm flatness a kan 300 × 200 mm flange hawa?" → Sai kawai idan muka yi amfani da shi bayan simintin. Zuba jari kawai ba zai isar da hakan ba. Za mu gaya muku gaba-kuma mu nuna ƙirar ƙirar da ta sa ya yiwu.
- "Kuna goyon bayan PPAP Level 3?" → Ee, gami da rahotanni masu girma tare da gizagizai na CMM, takaddun kayan aiki, da aiwatar da FMEAs. Amma muna kuma nuna waɗanne siffofi na GD&T ba su da ƙarfi a ƙididdiga a farkon kuri'a - kuma muna ba da shawarar madadin sarrafawa.
Ba mu sayar da "ɓataccen simintin ƙarfe na kakin zuma." Muna sayar da tabbacin aiki don sassan da dole ne su tsira sa'o'i 20,000 a cikin sabis na filin mai ko shekaru 15 a cikin tsarin injin ruwa na ruwa. Wannan yana buƙatar ƙin kashi 7.3% na albarkatun cobalt-nickel mai shigowa-ba saboda ya gaza ƙayyadaddun bayanai ba, amma saboda girman rabonsa ya faɗi a waje da ingantacciyar taga sarrafa mu.
Zaɓin masana'antar simintin ƙarfe na kakin zuma da kuka ɓace yana nufin zabar bayanin martabar haɗarin ku
Ƙimar mai rahusa tana da kyau har sai abin nadi na tsakiya na winch ya karye yayin gwajin kaya. Har sai filogin cobalt ɗin ku ya ɓace bayan sa'o'in aiki 400 - ba 5,000 da aka ƙayyade ba. Har sai da ƙarfin juzu'i mai ƙarfi filin sake yin aiki akan kashi 22% na saitin famfo da aka haɗa.
Bambancin ya ta'allaka ne a cikin rubuce-rubucen sarrafa tsari-ba da'awar talla ba. A cikin tabbacin kayan kafin zubawa-ba bayan. A cikin GD&T-sane da ƙirar simintin gyare-gyare-ba fassarar CAD kawai ba. A cikin ƙa'idodin dubawa waɗanda ke daure da yanayin gazawa-ba jerin abubuwan dubawa ba.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana gina wannan horo cikin kowane tsari. Ba azaman ƙari ba. Ba a matsayin zaɓi ba. Kamar yadda tushe.
Idan aikace-aikacenku yana buƙatar daidaitattun sassa na ƙarfe inda aikin ba zai yiwu ba - inda "kusa da isa" yana nufin guntuwa, jinkiri, ko haɗarin aminci - kuna buƙatar fiye da ganowa. Kuna buƙatar abokin tarayya wanda ke kula da kowane simintin gyare-gyare kamar yadda zai yi aiki a cikin tsarin sarrafa teku a zurfin mita 3,000. Wannan shine ma'aunin da muke injiniya. Wannan shine dalilin da ya sa injiniyoyi ke komawa-sake-sake-zuwa a rasa kakin zuma karfe simintin factory wanda ke auna nasara a cikin gazawar filin sifili, ba kawai isar da lokaci ba.
