Lokacin da injiniyoyi suka ƙididdige sassa don famfunan ruwa na ruwa, bawul na teku, ko tsarin winch masu nauyi, “kusa sosai” ba zaɓi bane. Matsakaicin 0.02 mm a cikin kujerar cobalt alloy bututun ƙarfe na iya haifar da cavitation. Rukunin ƙananan porosity a cikin gidan famfo na silinda na piston na iya haifar da gazawar gajiya a ƙarƙashin hawan keke 350-bar. Shi ya sa OEMs na duniya da masu samar da Tier-1 ba su samo asali ba madaidaicin simintin gyaran kafa masana'anta ayyuka-suna gwada su kamar tsarin tsarin ƙasa mai mahimmanci.
Haƙuri na zahiri na buƙatar samar da ingantaccen tsarin masana'antu
Mun ga maki uku masu maimaitawa a cikin bita na aikin 127: Na farko, tsarin hatsi mara daidaituwa a cikin simintin AMS 5387 yana haifar da amsawar maganin zafi mara daidaituwa. Na biyu, GD&T callouts kuskure fassara a lokacin machining-musamman ga coaxiality tsakanin bore da flange fuska a kan T800 alloy famfo tushe. Na uku, rashin daidaiton ƙarewar saman: Ra 0.4 µm an ƙayyade don rufe saman, amma an kawo shi a Ra 1.6 µm saboda rashin sarrafa yashi-ƙasa kafin kammalawar CNC. Waɗannan ba gibi ba ne na ka'idar. Sune gazawar filin da aka shiga cikin rahotannin sabis daga na'urorin haɗin kan tekun Norway da masu sake gina famfo na tushen Texas.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana aiki inda karfen karfe ya hadu da awoyi. Cibiyar ta Qingdao ba ta gudanar da layukan simintin gyare-gyare. Yana gudanar da guda biyu daidai gwargwado, ISO-compliant workflows: simintin saka hannun jari don hadaddun, siraran-bangaren cobalt-nickel geometries-da madaidaicin simintin yashi don manyan gidaje na karfe/bakin da ke buƙatar tsauraran kaurin bango. Kowane tsari yana farawa da ingantattun albarkatun albarkatun kasa - ba kawai rahotannin gwajin niƙa ba, amma cikakkun bayanan bincike-bincike da aka danganta da ƙayyadaddun AMS 5387 da ASTM A494. Lokacin da abokin ciniki ya aika da zane don filogi na AMS 5387, ƙungiyar tana bincika ba kawai sinadaran abun ciki ba har ma da haɗarin rarrabuwar kawuna dangane da ingantaccen ƙirar ƙira daga software na simintin su.
Haɗin kai tsaye ba magana ba ce - inshorar ƙira ce
Yawancin masu samar da simintin simintin gyare-gyare suna ba da simintin simintin gyare-gyare ga mashinan waje. Wannan yana gabatar da ɓangarorin gazawa guda uku: murɗawar zafi yayin jigilar kaya, canjin bayanai tsakanin simintin gyaran gyare-gyare da na'ura, da rashin daidaituwar daidaiton saman a musaya mai mahimmanci. QINGDAO QIANGSENYUAN ta mallaki dukkan matakai-kuma tana sarrafa abin da aka kashe. Kwayoyin su na CNC suna zama mitoci daga tashar tsaftacewa. Jikin bawul ɗin matsa lamba yana motsawa kai tsaye daga fashewar harbi zuwa 5-axis Hurco VMX42SS don honing na ƙarshe da flange yana fuskantar. Babu sake gyarawa. Babu motsin recalibration. Babu asarar datums.
Wannan sarkar tsaye tana ba da sakamako masu ma'auni: 92% ƙimar wucewa ta farko akan sassa tare da jurewar matsayi na ± 0.015 mm; Cpk ≥1.67 kiyaye a fadin 12-watanni samar gudanar da piston famfo Silinda gidaje; Cikakken ganowa zuwa ga tanderu, zuba lokaci, da ID na sake zagayowar zafi don kowane ɓangaren da aka aika. Wannan matakin sarrafawa yana da mahimmanci lokacin da ɓangaren ku ke zaune a cikin rukunin famfo mai hana fashewar Class I wanda ke aiki a 180 ° C a cikin matatar kudu maso gabashin Asiya.
Ƙwarewa ta doke ma'auni-musamman tare da superalloys
Wasu masana'antu suna da'awar "duk alloys." Mun bincika irin waɗannan shaguna guda shida. Biyu ne kawai za su iya riƙe zagaye na 0.03 mm akai-akai akan nozzles na tushen T800 na cobalt bayan kawar da damuwa. Bambancin? Dabarun Toolpath da thermal management. QINGDAO QIANGSENYUAN tana amfani da ƙaramin-RPM, milling mai ƙarfi mai ƙarfi tare da sanyaya nitrogen - ba ruwan sanyi ba - don murkushe taurin aiki da ƙananan fasa a cikin cobalt-nickel. Masanan injinan su suna daidaita ƙimar ciyarwa da ƙarfi bisa dogaro da ra'ayin ɗaukar nauyi na lokaci-lokaci, ba saitattun saiti na CAM ba. Wannan ba injinan littafi bane. Ƙirƙirar sarrafa tsarin daidaitawa a cikin gyare-gyare 47 akan sassan famfo AMS 5387 kadai.
Mayar da hankali samfurin su yana tabbatar da niyya: babu simintin ado na ado. Babu kayan aikin gine-gine. Abubuwan da ke da mahimmancin aikin manufa kawai - bawul ɗin matsa lamba waɗanda ke hatimi a mashaya 414, winch center shaft rollers masu jure wa lodin juzu'i 150,000, tushen famfo suna ɗaukar girgizar 22 g. Kowane rukuni yana ƙarfafa zurfin koyo na yanki: haɓakar kwararar ruwa don kujerun bawul, halayyar tribological don saman abin nadi, taswirar mitar taswira don manyan gidaje. Ba za ku sami hakan ta hanyar gudanar da ayyukan gama-gari ba.
Amincewar isarwa yana farawa da gaskiyar aikin injiniya-ba alƙawura ba
"Za ku iya yin wannan?" shine tambayar farko kuskure. "Mene ne mafi kyawun hanya don cimma aikin * da * saduwa da buƙatun tsarin rayuwa?" shine yadda QINGDAO QIANGSENYUAN ke fara kowane alkawari. Bitar aikin injiniyan su yana ba da haɗarin ƙirƙira da wuri: radius 0.5 mm akan mahaɗar simintin T800 wanda ke gayyatar tsagewar zafi; tarin GD&T wanda ke sa tabbatarwar CMM lokaci guda na fasalulluka huɗu a zahiri ba zai yiwu ba ba tare da sake fasalin kayan aiki ba. Suna dawo da zane-zanen da aka bayyana-ba kawai tambarin "an yarda" ba - tare da madadin: "Canja zuwa simintin saka hannun jari a nan - yana ƙara $ 12 / raka'a amma yana kawar da ayyuka na biyu na 3 kuma yana haɓaka amincin saman da kashi 40%.
Wannan bayyana gaskiya yana gina amana. Adadin isar da su akan lokaci yana riƙe da kashi 98.3% don umarni na matsakaici-har ma tare da ƙarancin wadatar cobalt na duniya na 2023-saboda suna haɓaka shirye-shiryen maye gurbin kayan *kafin * ambato. Lokacin da lokutan jagorar AMS 5387 suka miƙe zuwa makonni 22, sun cancanci haɗin gwal na T800 wanda aka gyara tare da duk ƙayyadaddun injina amma yanke lokacin jagora da kashi 60%. Ba kowane mai siyarwa bane ke da wannan bandwidth R&D. Kadan har yanzu raba shi a fili.
Ga injiniyoyi masu samar da sassan masana'antu masu juriya masu juriya, zaɓin baya tsakanin simintin gyare-gyare da machining - yana tsakanin rarrabuwar dillalai da abokin haɗin gwiwa guda ɗaya wanda ke kula da kwanciyar hankali, daidaiton ƙirar ƙirar microstructure, da aikin aiki azaman buƙatun da ba za a iya raba su ba. Wannan shine gaskiyar aiki a bayan kowane madaidaicin simintin gyaran kafa masana'anta isar da sassan da suka tsira - ba kawai jirgi ba.
