Lokacin da tsarin injin ku ya gaza ƙarƙashin matsin lamba 350-bar, ko bututun bututun cobalt-alloy ya fashe bayan sa'o'in aiki 472, da wuya matsalar ta fara a taro. Yana farawa a baya-a cikin zaɓin kayan abu, fassarar GD&T, ko farkon yanke akan injin CNC mai yawan axis. Shi ya sa injiniyoyi a Arewacin Amurka da Turai ba sa neman "sabis na injinan CNC kawai." Suna neman a high ainihin machining factory wanda ke kula da kwanciyar hankali kamar lokacin kwangila - ba buri ba.
Ba duk shagunan da ke da juriya ba ne ke sarrafa superalloys iri ɗaya
Mun gan shi sau biyu a wannan shekara: Tier-1 ruwa mai ƙarfi OEM ya karɓi gidaje na AMS 5387 cobalt alloy tare da ƙimar Cpk sama da 1.67 akan diamita na waje-amma microcracks saman ya bayyana bayan hawan keke. Tushen dalili? Mai siyarwar ya yi amfani da kayan aikin carbide na al'ada ba tare da saka idanu akan nauyin zafi na ainihin lokacin ba. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., mu inji T800-tushen aka gyara ta yin amfani da cryogenically sanyaya PCD abun da ake sakawa da adaptive feed control. Kowane yanke rajistan ayyukan jujjuyawar jujjuyawar jujjuyawar jujjuyawar jujjuyawar wutar lantarki, ƙimar ruwa mai sanyaya, da lalata kayan aiki-bayanai da aka daidaita zuwa bayanan ingantaccen tsarin mu na ciki. Wannan ba aikin injiniya ba ne. Yana da yadda kuke riƙe ± 0.005 mm akan 210-mm-diamita piston famfo silinda gidaje yayin da kuke kiyaye amincin tsarin hatsi na ASTM E112.
Wurin mu mai yarda da ISO a cikin Qingdao yana gudanar da simintin gyare-gyare da injina daidai gwargwado-ba jerin gwano ba. Simintin gyare-gyaren ƙarfe yana tafiya kai tsaye daga mold shakeout zuwa tanda masu kawar da damuwa, sannan zuwa cikin cibiyoyin injin kwance tare da haɗaɗɗen bincike. Babu sake gyarawa. Babu tsarin sake fasalin tsarin daidaitawa. Wannan shine yadda muke isar da harsashin famfo tare da lebur a ƙarƙashin 0.012 mm a fadin 1,200 mm - kuma mu tura su cikin kwanaki 18 na fitowar zane.
Haɗin kai tsaye yana nufin babu zato game da ƙarfe
Wasu masu ba da kayayyaki suna fitar da simintin simintin gyare-gyare, sannan su sayi danyen sanduna daga masana'antar kayayyaki. Muna haɓaka ƙayyadaddun kayan aiki tare da ƙwararrun masu kera gami. Lokacin da abokin ciniki ya nemi matosai na cobalt-nickel don sabis ɗin gas mai tsami, muna tabbatar da kowane zafi akan ASTM A494 Grade CW6MC-ba kawai ƙarfin ƙarfi ba, amma juriya na lalata tsaka-tsakin kowane NACE MR0175/ISO 15156 Annex A. Batch traceability ba akwati ba ne. Alamar karfe ce mai lambar QR wacce aka yi wa kowane simintin simintin gyare-gyare, wanda ke da alaƙa da rahotannin bincike, rakodin tarihin zafi, da fayilolin binciken CMM na ƙarshe.
Wannan horo yana nuna inda ya fi dacewa: aikin aiki. Wani abin nadi na cibiyar winch wanda aka yi daga al'ada 42CrMo4 - wanda aka yi amfani da shi zuwa juriya na ISO 2768-mK, ya taurare zuwa 52 HRC, sannan ƙasa zuwa Ra 0.4 µm - ya tsira da hawan keke 14,000 akan injin gwajin motar injiniya ba tare da nakasar wurin zama ba. Sassan masu fafatawa sun kasa a zagayowar 8,920. Bambanci? Layin maganin zafin mu yana amfani da tanderun da ke sarrafa yanayi tare da daidaiton ± 2°C, ba tanda batch tare da ± 15°C gradients.
Ƙirƙirar ƙira ta duniya tana farawa kafin guntu na farko ya tashi
"Za ku iya yin wannan?" tambaya ce ba daidai ba. Abinda ya dace shine: "Me zai fara karya - kuma ta yaya za mu dakatar da shi?" Yayin bita na injiniya, muna ba da alamar kiran GD&T waɗanda ke cin karo da ƙuntatawa akan injin axis 5. Muna ba da shawarar daftarin kusurwoyi kan fasalin simintin yashi waɗanda ke rage cire kayan aikin bayan-machining da kashi 37%. Muna ba da shawarar kayan aikin dabam-kamar sauyawa daga bakin karfe 1.4404 zuwa duplex 1.4462-lokacin da bayyanar chloride ya wuce 120 ppm.
- Muna inganta zane-zanen lissafi akan hanyoyin samun damar kayan aiki-ba kawai ƙima ba
- Muna kwaikwayi murdiya ta zafi a cikin gidajen silinda na bakin ciki ta amfani da SolidWorks Flow Simulation + empirical shrinkage coefficients
- Muna dawo da bayanan PDFs a cikin sa'o'i 48 - ba saƙon imel na “tabbataccen yuwuwar” ba
Babu samfurin da ke tafiya zuwa karfe ba tare da rahotan DFM da aka sa hannu ba. Ba don muna son takarda ba. Domin tsallake shi yana kashe $28,000 a sake yin aiki lokacin da bawul ɗin da ba daidai ba yana buƙatar sake fasalin kayan aiki guda uku.
Ba a yi alkawarin dogaro ba. Ana auna shi, an shigar da shi, kuma ana jigilar shi
Kowane jigilar kaya ya haɗa da takardar shedar yarda tare da cikakkun bayanan awo: CMM batu gajimare don ƙaƙƙarfan ɓarna, duban bayanan bayanan gani don rufe saman, taswirorin taurin kai a cikin wuraren da aka magance zafi. Ba mu ce "ya hadu da ƙayyadaddun bayanai." Muna nuna * daidai * inda 0.008 mm karkatacce ya faru-kuma me yasa ba shi da alaƙa da aiki (misali, a waje da baka mai ɗaukar matsa lamba).
Wannan shine yadda muke kiyaye>99.2% akan isarwa akan lokaci don umarni matsakaici-har ma tare da 2024's titanium alloy volatility. Gudun aikin mu mai ƙarfi yana bin WIP a matakin tashar. Idan bututun ƙarfe na cobalt alloy bututun ƙarfe ya sami ƙulli a polishing, tsarin samarwa yana haifar da juyawa ta atomatik zuwa sel na biyu-babu haɓaka da ake buƙata.
A high ainihin machining factory yana samun amana ba ta cikin ƙasidu ba, amma ta hanyar abin da ke tsira daga amfani da filin: matsi na matsa lamba har yanzu yana rufewa a cikin shekaru 22, AMS 5387 famfo sassa da ke gudana a cikin dandamali na teku tare da raguwar lokacin da ba a shirya ba, abubuwan T800 suna riƙe da haƙuri bayan zagayowar thermal 15. Wannan daidaito yana fitowa ne ta hanyar kula da kowane bangare kamar yana shiga cikin tsarin rayuwa mai mahimmanci-saboda sau da yawa, haka ne.
Idan aikin ku na gaba yana buƙatar maimaita juzu'i-10-micron akan galoli masu wahala-zuwa injin-ko kuma idan kun riga kun soke batches samfuri guda biyu suna neman bin GD&T - fara da bayyananniyar tsari, ba fa'idodin farashin ba. Abokin da ya dace ba kawai ya yanke karfe ba. Suna kawar da yanayin gazawa kafin a ba da oda.
