Lokacin da injiniyoyi suka ƙididdige sassa na Monel gami, ba kawai zaɓin abu bane - suna yin juriya na lalata a cikin ruwan teku, kwanciyar hankali na zafi a 500 ° C, da amincin injina a ƙarƙashin gajiyawar keke. Amma samo waɗannan sassan dogara? A nan ne yawancin ayyuka suka tsaya. Mun gan shi akai-akai: an yarda da zane-zane, ƙwararrun kayan, saiti na lokaci-sa'an nan jinkiri daga ɗimbin ɗimbin yawa a cikin simintin gyare-gyare, rami na saman bayan wucewa, ko kiran GD&T wanda ya wuce binciken labarin farko. A Monel alloy part factory ba a siffanta ta da kayan haɗin gwal. An ayyana shi ta yadda yake tafiyar da rata tsakanin ƙayyadaddun bayanai da gaskiya.
Daidaito Ba Zabi Ba — An Gina A Cikin Kowane Matakin Tsari
Monel 400 da K-500 ba a sarrafa su kamar 304 bakin karfe. Adadin ƙarfin aikin su shine 3 × mafi girma. Fitar da guntu ya gaza idan farashin ciyarwa ya ragu ƙasa da 0.08 mm/rev. Matsakaicin sanyaya dole ne ya kasance sama da 12% don hana ginanniyar gefen abubuwan da ake saka carbide. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Muna gudanar da kowane odar Monel ta hanyar sake zagayowar machining thermal stress sake zagayowar-har ma da sarari-saboda saura damuwa a cikin sandar birgima mai zafi yana haifar da baka 0.015 mm a cikin shaft 300 mm. Wannan ya isa ya soke gidan famfo tare da ± 0.01 mm jure juriya.
Muna tabbatar da lissafin kuɗi na Monel masu shigowa tare da PMI mai tushe guda biyu (ganewar kayan aiki mai kyau) da taswirar microhardness a cikin sassan giciye. Babu wani tsari da ya shiga samarwa ba tare da tabbatar da abun cikin nickel yana tsayawa tsakanin 63-67% da jan karfe tsakanin 28-34%. Me yasa? Saboda raguwar nickel 0.5% yana sauke ƙarfin da kashi 18% a 300 ° C - kuma wannan shine bambanci tsakanin bawul ɗin da ke riƙe a 10,000 psi ko yawo a farawa.
Kwayoyin mu na CNC suna amfani da tsayayyen dandamali na axis 5 tare da diyya na kayan aiki na lokaci-lokaci. Don Monel flanges tare da 16 × Ø12 mm madauri mai zaren, muna injin duk ramuka a saiti ɗaya - ba biyu ba - don kawar da canjin datum. Dubawa ta ƙarshe tana amfani da Zeiss CONTURA G2 CMM tare da ƙididdigan binciken ruby, ba masu kwatancen gani ba. Ana auna ƙarewar saman ta hanyar stylus profilometry (Ra ≤ 0.4 µm), ba zane mai sheki na gani ba. Wannan ba wuce gona da iri ba ne. Yana da yadda muke riƙe haƙƙoƙin matsayi na ± 0.005 mm akan mujallun sandar piston don famfunan ruwa mai ƙarfi.
Haɗin Kai tsaye Yana Warware Abin da Outsourcing Ya Karye
Wasu masu samar da kayayyaki suna fitar da simintin gyare-gyare, sannan injina a wani wuri, sannan faranti a shago na uku. Kowane hannun hannu yana ƙara bambance-bambance: raguwar simintin gyaran gyare-gyaren da ba daidai ba tare da mashin injiniyoyi, murɗawar maganin zafi ba a gyara ba kafin a gama, sanya kauri mai rufe fuska mai mahimmanci. Ba mu yin haka.
Kayan aikin mu masu dacewa da ISO yana gina layin simintin saka hannun jari, guraren simintin yashi, da cibiyoyin injinan CNC a ƙarƙashin rufin ɗaya. Domin Monel 400 impeller gidaje, mun jefa ta amfani da yumbu harsashi molds tare da sarrafawa raɓa (<5°C), zuba a 1,380°C ±15°C, da sanyi a 0.5°C/min don kaucewa hazo lokaci sigma. Sa'an nan - ba tare da karya hatimi ba - muna matsar da simintin gyare-gyare kai tsaye zuwa zafi jika tanda don warware matsalar a 980 ° C, sannan ruwa yana kashewa a cikin dakika 3. Machining yana farawa a cikin sa'o'i 4. Babu fallasa iska. Babu sake yin aiki daga intergranular oxidation.
Wannan haɗin kai yana ba da gano abin da za ku iya dubawa: kowane bangare yana ɗauke da lambar QR mai haɗawa da narkakken log ɗin sa, rahoton gwajin tensile, taswirar taurin, da rikodin binciken CMM. Lokacin da wani ma'aikacin mai na Arewacin Amurka ya buƙaci 24 Monel K-500 gawar bawul ɗin shaƙewa tare da bin NACE MR0175, mun isar da cikakkun takaddun shaida - gami da abun ciki na sulfur. <0.002%-a cikin kwanakin aiki 11. Ba makonni ba. Kwanaki
Aiki na Duniya na Gaskiya yana farawa da Nazarin Injiniya na Gaskiya
"Bi zane kawai" ita ce hanya mafi sauri zuwa rashin yarda. Muna ba da alama da wuri-kafin yanke ƙarfe. Kwata na ƙarshe, abokin ciniki na Turai ya aika GD&T don haɗin gwiwar Monel 400 swivel tare da tarin juzu'i mai haɗawa: matsayi na Ø22 mm dalla dalla da fuskar Ø80 mm, da madaidaicin duka biyu zuwa ga datum na biyu, da ƙarancin ƙasa Ra 0.8 µm akan saman mating. Ƙungiyarmu ta amsa da zaɓuɓɓuka guda uku: sake duba datum na biyu don dacewa da kusurwoyi na simintin gyare-gyare, canzawa zuwa Monel K-500 don ingantattun injina, ko karɓar +0.02 mm akan haƙurin matsayi-har yanzu suna saduwa da buƙatun gwajin aikin leak a 15,000 psi. Sun zaɓi zaɓi na 3. Farashin kayan aiki ya ragu da kashi 37%. Lokacin jagora ya ragu da kwanaki 9. Sashe ya wuce hydrotest a ƙoƙarin farko.
Ba mu ce "eh" ga ƙayyadaddun bayanai ba. Muna tambaya: Menene yanayin gazawar? A ina matsi ke aiki? Me ya fara sawa? Ta yaya ma'aikatan kulawa za su girgiza wannan? Shi ya sa fayil ɗin mu ya haɗa da Monel alloy nozzles don famfunan allura na ƙarƙashin teku, na'urori na tsakiya don winches na teku, da gidajen silinda da aka ƙididdige su don hawan keke miliyan 200 - sassan da aka ƙera don sakamako, ba kawai yarda ba.
Zaɓan Ƙarfafa Ƙarfafa Ƙarfafa Ƙarfafa Ƙwararrun Ƙwararrun Ƙwararrun Ƙwararrun Ƙwararrun Ƙwararrun Ƙwararrun Ƙwararrun Ƙwararrun Ku
Idan aikace-aikacenku yana gudana a cikin iskar gas, ruwan teku, ko brine mai zafi mai zafi, Monel ba zaɓi ba ne - buƙatu ne. Amma alloy baya bada garantin aiki. Ma'aikata yayi. Nemo daftarin aiki na daidaiton ƙarfe, duba rufaffiyar madauki a kowane mataki, da ƙungiyoyin injiniya waɗanda ke magana da ruwa GD&T — ba Ingilishi kaɗai ba. Ka guji shagunan da ke ɗaukar Monel kamar bakin karfe. Bukatar shaidar bin tarihin zafin zafi. Bukatar rahotannin CMM-ba kawai "daidai da ƙayyadaddun tambari" ba.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana jigilar kayan aikin Monel zuwa abokan ciniki a duk faɗin Arewacin Amurka, Turai, da Kudu maso Gabashin Asiya - ba don muna kasuwa da ƙarfi ba, amma saboda muna magance rashin kwanciyar hankali, hana ɓarna lokacin sigma, da isar da sassan da suka tsira daga rayuwar sabis ɗin su. Ba kawai saduwa da shi ba. Idan odar ku ta Kuɗi ta gaba tana buƙatar sake yin aiki da sifili, cikakken ganowa, da haɗin gwiwar injiniya ba kawai masana'anta ba - kun riga kun san abin da za ku yi na gaba.
