Lokacin da injiniyoyi suka ƙididdige wani sashi don tsarin tsarin hydraulic mai matsananciyar matsin lamba ko taron famfon mai, ba kawai ƙarfe suke buƙatar ba - suna buƙata. Karfe mai iya tsinkaya, kwanciyar hankali mai maimaitawa, kuma rashin haƙuri ga rashin daidaituwa na microstructural. Shi ya sa ake samo asali daga gaskiya zuba jari simintin alloy factory ba matakin saye ba ne - yanke shawara ne na rage haɗari.
Me yasa "Alloy" Ya Fi Muhimmanci Fiye da "Simintin Ɗaukaka" Shi kaɗai
Yawancin masana'antun suna jefa baƙin ƙarfe ko carbon karfe. Kadan ne ke sarrafa cobalt-nickel superalloys kamar kayan AMS 5387 ko T800 ba tare da tsagewa, warping, ko rarraba hatsi ba. Mun ga maki uku na gama gari na gama gari a cikin sarƙoƙin samar da kayayyaki na duniya: na farko, rashin daidaituwar maganin zafi bayan simintin saka hannun jari-wanda ke haifar da 12-18% bambancin a cikin taurin Rockwell C a cikin batches; na biyu, rashin isassun harsashi yumbu ƙonawa yana haifar da haɗaɗɗun oxide a kan mahimman abubuwan rufewa; na uku, injinan simintin simintin gyare-gyare wanda ke kawar da mutuncin siffa ta kusa-net wanda aka yi nufin isar da tsarin.
A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., kowane cobalt alloy bututun ƙarfe, kowane AMS 5387 famfo gidaje, da kowane tushen T800-tushe farawa da bokan da albarkatun kasa traceability-ba kawai kuri'a lambobi, amma cikakken niƙa rahotannin gwajin ingantattun a kan ASTM E1476 da ISO 91001: 2x001 Anne. Babu canji. Alloy ya bayyana rufin aikin; dole tsarin simintin ya kiyaye shi.
Haɗin Kai Tsaye Ba Kalma Bace Ba - Wurin Sarrafa Ne
Ba za ku iya ba da garantin zagaye na ± 0.015 mm akan gidan silinda na piston idan simintin, jiyya mai zafi, da 5-axis CNC ƙare ya faru a wurare daban-daban. Tarihin thermal yana ɓacewa. Datum nassoshin motsi. Takaddun ƙayyadaddun ƙayyadaddun shimfidar ƙasa sun zame.
Shi ya sa kayan aikinmu na Qingdao ke aiki azaman ci gaba da gudanawar aiki: simintin saka hannun jari → kawar da iska mai sarrafa iska → kawar da damuwa → daidaitaccen juyawa da niƙa → dubawa mara lalacewa (UT + rini mai shiga) → ingantaccen CMM na ƙarshe akan kiran GD&T. Misali, injinan abin hawa winch center shaft rollers suna fuskantar cikakken gwajin ma'auni *bayan* niƙa na ƙarshe-ba a da ba. Domin rashin daidaituwa ba game da taro kadai ba; game da yadda ragowar damuwa ke hulɗa da nauyin centrifugal a 3,200 RPM.
Wannan ba ka'idar ba ce. Ɗaya daga cikin OEM na Arewacin Amurka ya rage gazawar filin da kashi 67% bayan canzawa daga sarkar mai ba da kayayyaki da yawa zuwa mafita mai tushe guda ɗaya don jikin bawul ɗin matsi-musamman saboda muna sarrafa duk hanyar injin-in thermal daga ƙirar kakin zuma zuwa gwajin aiki.
Madaidaicin Duniya na Haƙiƙa yana Buƙatar Tabbatar da Duniya ta Gaskiya
"Maɗaukaki-madaidaici" yana nufin abubuwa daban-daban ga masu amfani daban-daban. Ga mai zanen famfo, yana da mahimmanci tsakanin fuska da fuska a ƙarƙashin 0.02 mm TIR. Ga injiniyan lalata, rashin ƙarfi ne Ra ≤ 0.8 µm *bayan* wucewa-ba a yarda da sake yin aiki ba. Ga ƙungiyar kulawa, yana da musanyawa a cikin shekaru biyar na samarwa ba tare da sake fasalin kayan aiki ba.
Muna inganta duka uku-kowane lokaci. Cobalt alloy billlets masu shigowa suna samun nazarin yanayi. Ana tabbatar da ma'auni a cikin tsari ta amfani da Zeiss CONTURA G2 CMMs wanda aka daidaita kullun. Sassan ƙarshe suna fuskantar gwajin matsa lamba na aiki a 1.5 × ƙididdige matsi na aiki, tare da sa ido kan ƙimar ɗigo na ainihi zuwa 10.-6 bar·L/s. Kuma a-muna riƙe cikakken yanayin gano dijital: wane nau'in murhu, wanne mai aiki, wane nau'in shirin CMM, wanda lambar mai sanyaya. Idan wani abu ya gaza a sabis, mun san ainihin inda za mu duba.
Abokan ciniki sukan tambayi: "Shin za ku iya riƙe matsayi na gaskiya a cikin 0.025 mm akan 320 mm diamita flange tare da 12 bolt ramukan?" Ee-idan zanen ya ƙunshi maƙasudin datum, ƙayyadaddun kayan aiki, da niyyar aiki. Amma kuma za mu gaya muku gaba idan GD&T ya fi ƙayyadaddun ƙayyadaddun aikace-aikacen, ko kuma idan madadin simintin yashi zai dace da aiki akan 40% ƙananan farashi. Gaskiya ba manufa ba ce. Yana da ilimin injiniyanci.
Inda Madaidaicin Haɗu da Abokan Hulɗa
An zuba jari simintin alloy factory kamata yayi fiye da isar da sassa. Ya kamata ya taimake ka ka guje wa sake fasalin sake zagayowar, tarkace gudu, da jinkirin cancantar mataki na ƙarshe. Wannan shine dalilin da ya sa tallafin aikin mu ya fara kafin PO: zane bita tare da ra'ayoyin masana'anta, zaɓuɓɓukan maye gurbin kayan da ke goyan bayan bayanan tensile/creep, da samfurin lokutan jagora a ƙarƙashin kwanaki 21 don ƙwararrun gami.
Muna bauta wa masu haɗa tsarin hydraulic a cikin Jamus, masu ginin kayan aikin teku a Norway, da masu yin famfo mai nauyi a duk faɗin kudu maso gabashin Asiya-ba ta hanyar masu rarrabawa ba, amma ta hanyar haɗin gwiwar fasaha kai tsaye. Domin lokacin da ƙayyadaddun ku ya kira AMS 5387 tare da HRC 42-46 da juriya na lalata tsaka-tsaki ta ASTM A262 Practice E, maganganun iyawa na gabaɗaya ba za su yanke shi ba. Kuna buƙatar ƙwarewar ƙwarewa tare da ainihin ƙimar, ƙarƙashin waɗannan ainihin yanayin.
Idan muka duba gaba, muna faɗaɗa nau'ikan simintin gyaran gyare-gyare na R&D-musamman don sirara-bangaren bango, babban ɓangaren rabo inda saka hannun jari na gargajiya ke kan iyaka. Amma ainihin abin da muka mayar da hankali a kai ya kasance ba ya canzawa: isar da hadaddun, mahimman abubuwan ƙarfe na manufa inda daidaiton girman girma, daidaiton ƙayyadaddun tsari, da amincin aiki ba ciniki bane. Ba masu yin sulhu ba ne.
