Lokacin da injiniyoyi suka ƙididdige ɓangarorin ƙarfe masu juriya don bawul ɗin ruwa, gidajen famfo, ko tsarin mai da iskar gas, ba kawai suna buƙatar madaidaicin saka hannun jari simintin samar da kaya factory- suna buƙatar wanda * ke yin hasashen yanayin rashin nasara kafin a fara simintin gyare-gyare *. Mun ga ayyuka da yawa da aka jinkirta ta hanyar ɗimbin ɗimbin yawa a cikin cobalt alloy nozzles ko rashin daidaituwa na ƙananan tsarin a cikin abubuwan famfo AMS 5387. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., kowane bangare yana farawa da niyya ta ƙarfe-ba kawai juriya mai girma ba.
Me yasa "Madaidaici" Ya Fara Dadewa Kafin A Zuba Mold
Gaskiya madaidaicin saka hannun jari ba game da buga ± 0.05 mm akan rahoton CMM ba. Yana da game da sarrafa sauye-sauye waɗanda yawancin masu samar da kayayyaki ke kula da su azaman hayaniyar baya: gradient thermal gradient yayin daɗaɗɗen ƙirar kakin zuma, yuwuwar harsashin yumbu a 1,150 ° C, da raguwar damuwa bayan maganin zafi na tushen simintin T800 na cobalt. Muna ci karo da abokan ciniki akai-akai waɗanda suka karɓi sassan AMS 5387 “tabbatattun”-kawai don nemo rarrabuwar kan iyakokin hatsi yayin hawan keke. Wannan shine dalilin da ya sa tsarinmu ya haɗa abubuwan ganowa * kafin * narkewa: kowane yanki mai zafi yana ɗaukar cikakkun bayanai na yanayi, lanƙwasa mai ƙarfi, da rajistan ayyukan lalata na intergranular - ba kawai takardar shedar niƙa ba.
Muna tabbatar da wannan kullun. A watan da ya gabata, wani OEM na Turai ya aiko mana da rukunin gidaje guda uku da aka ƙi na piston famfo Silinda-biyu daga masana'antu masu fafatawa, ɗaya daga gare mu. Duk sun hadu da GD&T kowane zane. Amma namu ne kawai ya ci gwajin jimrewar aiki a mashaya 420 don hawan keke 12,000. Me yasa? Saboda muna sarrafa ƙimar zafi mai zafi a cikin ± 3°C/min kuma muna riƙe zafi mai bushewar harsashi ƙasa da 35% RH — ba a cika rubuta ma'auni a wani wuri ba amma yana da mahimmanci don rage ƙarancin ƙima a cikin simintin ƙarfe mai kauri.
Haɗin Kai Tsaye Wanda A Haƙiƙa Yana Bada Kwanciyar hankali
Yawancin ''cikakken sabis'' abubuwan ganowa suna fitar da injina ko ƙarewa. Wannan yana haifar da gibin hannun hannu-musamman mai haɗari lokacin juya gidan bakin bakin 320HB zuwa 45HRC mai taurin rami tare da ± 0.015 mm cylindricity. Kayan aikin mu na ISO yana ba da gidajen lathes na CNC, cibiyoyin niƙa mai axis biyar, da tanderun kula da zafi a ƙarƙashin rufin ɗaya. Babu wani mai siyar da ke waje da ya canza tarihin zafi na filogin cobalt-nickel tsakanin simintin gyare-gyare da niƙa na ƙarshe.
- Cibiyoyin mashin ɗin CNC suna daidaita kullun a kan manyan masanan NIST
- Binciken cikin-tsari a matakai 3 masu mahimmanci: bayan-m, bayan-zafi, bayan kammalawa.
- Ma'auni na gani don hadaddun kwane-kwane (misali, rollers na tsakiya mara madauwari)
- Tabbatar da ingancin saman saman ta hanyar interferometry-haske-ba kawai ƙimar Ra ba
Wannan haɗin kai yana kawar da "tarin juriya" wanda ke kashe aminci a cikin abin hawa injiniyoyi a kan winches. Lokacin da abokin ciniki ya nemi abin nadi na al'ada tare da juzu'i mai ɗaukar nauyin asymmetric, mun gudanar da simintin simintin, mun ƙirƙira samfurin farko a cikin gida, da ingantacciyar rayuwa a cikin na'urar gajiyar hydraulic mu-duk a cikin kwanakin aiki 11. Babu jinkirin mai aikawa. Babu daidaitattun bayanai.
Inda ƙwararrun Material Suka Haɗu da Halayen Gasuwar Duniya ta Gaskiya
Wasu masu samar da kayayyaki suna ɗaukar alluran cobalt a matsayin “wani superalloy kawai.” Muna ɗaukar su azaman tsarin tare da sa hannun gazawar sa hannu. Cobalt alloy nozzles ba su kasawa daga tsatsauran ra'ayi ba - amma daga zaizayar ƙasa a kusurwar tasiri na 12-15 ° a cikin sabis na slurry. Don haka muna daidaita ƙarfafawar kwatance don daidaita hannayen dendrite daidai gwargwado ga hanyoyin gudana. AMS 5387 matosai ba su ƙasƙantar da ƙarfi daga asarar ƙarfi ba - amma daga hazo lokacin sigma a 650-850 ° C yayin gyaran walda. Don haka mun riga mun cancanci kowane waya mai cikawa tare da jadawalin-zazzabi-canji (TTT).
Wannan shine dalilin da ya sa simintin ƙarfe ɗin mu don tushen famfo ya haɗa da rahotannin ilimin halittar mutum-da kuma dalilin da yasa jigilar simintin bakin karfe ɗin mu tare da taswirorin ferrite (FN), ba kawai binciken sinadarai ba. Ba mu ɗauka; muna aunawa. Kuma muna raba waɗannan ma'auni.
Abin da Ka Samu A Haƙiƙa—Ba Abin da Aka Yi Alkawari kaɗai ba
A dogara madaidaicin saka hannun jari simintin samar da kaya factory isar da fiye da sassa. Yana ba da tsabtar yanke shawara. Lokacin da kuka aiko mana da zanen GD&T, zaku dawo:
- Ƙimar haɗari mai girma yana nuna fasalulluka mafi mahimmanci ga raguwa ko murdiya
- Zaɓuɓɓukan musanya kayan aiki tare da ingantattun tallace-tallacen aiki (misali, F316L vs. F347H don loda yanayin zafi na cyclic)
- Bayyanar lokacin jagora: samfuri (kwanaki 22), matsakaicin girma (makonni 6-8), tare da buffer da aka gina don jinkirin takaddun shaida na albarkatun ƙasa.
- Cikakkun abubuwan ganowa: narke log, jefa ƙuri'a, ginshiƙi yanayin yanayin zafi, rahoton CMM, tabbatar da ƙarewar ƙasa
Babu mamaki. A'a "za mu bincika da samarwa." Hukunce-hukuncen injiniya kawai sun dogara ne akan halayen da aka lura - ba ƙasidu ba.
Neman Gaba: Madaidaicin Wannan Daidaitawa, Ba Maimaitawa kawai ba
Iyaka ta gaba ba ta fi ƙarfin haƙuri ba - daidaitaccen daidaitacce ne. Muna faɗaɗa R&D zuwa hanyoyin samar da simintin gyare-gyare inda simintin saka hannun jari na kusa-net ke fuskantar zaɓin narkewar Laser don yanayin lalacewa. Hakanan muna ba da takaddun shaida ga API 6A PR2 da ISO 15156 Annex A don aikace-aikacen sabis na tsami-saboda dogaro yana nufin saduwa da ma'auni *kafin* dubawa ya zo.
Idan aikace-aikacen ku yana buƙatar bawul ɗin matsa lamba waɗanda ke hatimi a mashaya 700, abubuwan haɗin cobalt waɗanda ke tsira awanni 10,000 a cikin brine mai lalata, ko ɓangarorin winch waɗanda ke ɗaukar nauyin girgizar asymmetric ba tare da yaduwar microcrack ba - kuna buƙatar abokin tarayya wanda ma'anar “daidaitacce” ya haɗa da yadda sashin ke nuna *bayan* ya bar masana'anta. Wannan shine ma'aunin da muke ginawa. Kowace rana.
