Lokacin da injiniyoyi suka ƙididdige bawul ɗin matsa lamba don tsarin injin mai aiki a mashaya 420-ko gidan famfo na piston wanda aka fallasa ga slurry a cikin sabis na filin mai-ba sa siyan ƙarfe. Suna siyan kwanciyar hankali mai girma a ƙarƙashin hawan zafin jiki, daidaiton microstructural bayan magani mai zafi, da ƙarewar saman da ke tsayayya da galling yayin kunna zagaye na 10,000. Wannan shine dalilin da ya sa samo asali daga wani masana'antu karfe simintin gyaran kafa factory ba game da ƙara ko gudu kadai ba. Yana da game da ko ma'aikatar ta fahimci yadda cobalt alloy shrinkage ke hulɗa tare da tsarin kayan aiki na CNC-da kuma ko yana tattara kowane zagayowar yanayin zafi tare da cikakkun abubuwan ganowa.
Me yasa "Madaidaicin Simintin Gyaran Halitta" Ya Fara Tunawa Kafin A Zuba Mold
Mun ga ayyuka da yawa sun tsaya tsayin daka a binciken labarin farko-ba don simintin gyare-gyaren ya gaza gwadawa ba, amma saboda simintin simintin gyare-gyaren ya bar isassun haja don yin aiki na ƙarshe na mahimman abubuwan da ke sarrafa GD&T. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., daidaito ya fara a matakin bita na ƙira. Injiniyoyin mu ba kawai duba iya jure wa zane ba; suna kwaikwayi tsarin ƙarfafawa don AMS 5387 cobalt alloy simintin gyare-gyare ta hanyar amfani da ƙirar thermal na tushen ProCAST. Me yasa? Saboda cobalt-nickel alloys kamar T800 suna nuna 12-15% mafi girman haɓakar haɓakawa fiye da daidaitaccen bakin 316. Idan kun injin gidan silinda zuwa ± 0.02 mm ba tare da lissafin ƙididdigewa ba, zaku zubar da kashi 30% na bacin ku kafin tabbatarwar CMM ta ƙarshe.
Wannan shine inda haɗin kai tsaye yake da mahimmanci. Muna sarrafa cikakken sarkar: simintin saka hannun jari → warwarewar warwarewa → mashin ɗin CNC da yawa → harbi peening → gwajin leak helium. Babu hannun jari tsakanin dillalai. Babu bayanan daidaitawa da ya ɓace. Lokacin da abokin ciniki ya aika da zane don bututun ƙarfe mara daidaitaccen cobalt alloy, ƙungiyarmu tana tabbatar da ƙimar bangon kauri akan mafi ƙarancin lokacin ƙarfafawa, zaɓin yumbu harsashi mai ɗaure sinadarai don hana haɗaɗɗen amsawa, da kuma tsara Mazak INTEGREX i-200S tare da ƙimar ciyarwa mai daidaitawa don ƙayyadaddun ƙarfi ta ƙare. Sakamakon? Sashin da ya dace da ƙayyadaddun bayanai na ASTM F75 * kuma * yana tsira awanni 15,000 a cikin sabis ɗin gas mai tsami.
Rukunnai Hudu na Mahimmancin Dogaran Casting
Ba duk masana'antar simintin ƙarfe na masana'antu ba ne ke ɗaukar manyan abubuwan haɗin gwiwa tare da daidaito daidai. Ga abin da ke raba tabbataccen iyawa da da'awar ƙasidar:
- Ilimin kayan aikiMun samo asali na AMS 5387 billlets ne kawai daga masana'antun da ke samar da cikakkun rahotannin bincike-ciki har da abubuwan ganowa kamar boron da zirconium waɗanda ke shafar haɗin kan iyakar hatsi. Kowane kuri'a mai shigowa yana fuskantar tabbatarwa ta zahiri kafin narkewa.
- Tsarin kulle-kulle: Yashi simintin gyaran kafa na famfo yana amfani da yashi silica mai rufaffen resin tare da sarrafa danshi (± 0.3%)—ba “yashi kore” na gama-gari ba. Yin simintin saka hannun jari don nozzles na cobalt yana ɗaukar slurries na tushen yttria don gujewa amsawa tare da narkakkar gami sama da 1,420°C.
- Girman mulki: Binciken cikin tsari ba na zaɓi ba ne. Muna auna ƙugiya mai mahimmanci a kan bene na kanti ta amfani da Zeiss CONTURA G2 CMMs tare da bincike mai ɗaukar iska - wanda aka daidaita kullun a kan masanan NIST. Kowane rahoto ya haɗa da rajistan ayyukan faɗaɗawar zafi.
- Tabbatarwa na aiki: Ba a yarda da mahallin bawul ɗin matsa lamba ba bayan dubawa mai ƙima. Yana jurewa gwajin hydrostatic a matsa lamba 1.5 ×, biye da ultrasonic scanning ta ASTM E1961 don porosity na ƙasa kusa da fillet ɗin mai da hankali.
Abin da Abokan ciniki ke Tambayi Ainihin-Da Abin da Ba Su Fada da Surutu ba
"Za ku iya daidaita lokacin jagorar mai kawo kayayyaki na yanzu?" da wuya shine ainihin tambaya. Abin da manajojin sayayya ke buƙata - kuma ba za su faɗi kai tsaye ba - shine tsinkaya lokacin da Tier-1 OEM ke buƙatar fitar da jigilar mako-mako. Mun gina madaidaitan hanyoyin aiki a kusa da wannan gaskiyar: Kanban sake cikawa don ƙididdige kayan albarkatun ƙasa, daidaitattun umarnin aiki don kowane maki cobalt gami, da bin diddigin tagwayen dijital na kowane ƙuri'a na simintin gyare-gyare daga ranar zubowa zuwa takardar shaidar dubawa ta ƙarshe. Lokacin da mai yin famfo na Turai ya buƙaci raka'a 220 na sassan famfo AMS 5387 a cikin makonni 11-bayan mai siyar da su na farko ya rasa wa'adin ƙarshe na uku - mun isar da shi akan jadawalin saboda mun riga mun cancanci ƙarin murhun zafi guda biyu da kuma na'urorin lantarki na T800 da aka rigaya.
Amma bari mu kasance kai tsaye: idan aikace-aikacenku na buƙatar takardar shedar simintin simintin jirgin sama na Class I (AMS 2772), mu ba abokin tarayya bane. Mun ƙware a madaidaicin matakin masana'antu-ba madaidaicin takaddun takaddun jirgi ba. Wannan mayar da hankali yana ba mu damar haɓaka don maimaitawa a cikin manyan wuraren sawa: winch center shaft rollers waɗanda ke kula da gudu a ƙarƙashin 0.015 mm bayan hawan kaya 500,000, ko simintin ƙarfe don firam ɗin abin hawa na ginin da ke wuce gwajin fesa gishiri na sa'o'i 1,200 ba tare da tsatsa ba.
Neman Gaba: Inda Madaidaicin Simintin Simintin Ya Haɗu da Masana'antar Haɓakawa
Iyaka ta gaba ba manyan tanderu bane ko mafi sauri CNC spindles. Yana rufe madauki tsakanin simintin simintin gyare-gyare kamar yadda aka samo da aikin aiki na ƙarshe. A halin yanzu, muna haɓaka hanyoyin haɗin gwiwa inda saka hannun jari-cast cobalt alloy blanks ke yin aikin injin-nau'i-nau'i na kusa-kafin* jiyya na zafi na ƙarshe-rage murdiya da kashi 40 cikin 100 tare da gamawa bayan-zafi na gargajiya. Hakanan muna faɗaɗa R&D ɗin mu zuwa haɓakar kwatance don ɗakunan famfo mai kauri, wanda ke niyya ASTM A995 Grade 6A kaddarorin inji ba tare da ƙirƙira ƙirƙira mai tsada ba.
Idan aikin ku yana buƙatar daidaiton girma fiye da ± 0.05 mm akan hadaddun kwantena, daidaiton ƙarfe a cikin batches 500, ko haɗin gwiwar fasaha wanda ya fara da fassarar GD&T-ba ƙirƙira ba - kuna buƙatar fiye da masana'antu karfe simintin gyaran kafa factory. Kuna buƙatar abokin aiki wanda ke kula da tushen famfo ɗinku kamar sashin jirgin ruwa mai matsa lamba da filogi na cobalt kamar tsarin tsira. Wannan shine gaskiyar aiki a QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD - kuma me yasa injiniyoyi a Arewacin Amurka, Turai, da kudu maso gabashin Asiya ke dawowa don maimaita umarni lokacin da ba za a iya yin shawarwari da aminci ba.
