Lokacin da injiniyoyi suka ƙididdige ɓangaren da dole ne ya riƙe ± 0.01 mm haƙuri a ƙarƙashin matsa lamba na hydraulic 350-kuma sun tsira 10,000+ hawan keke a cikin slurry abrasive-ba sa buƙatar tushe kawai. Suna bukatar wani IMPRO zuba jari simintin gyaran kafa masana'anta wanda ke ɗaukar ƙarfe kamar lamba da kwanciyar hankali kamar dokar kwangila.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana aiki da irin wannan wurin a cikin Qingdao-ba a matsayin kantin ƙarfe na ƙarfe ba, amma a matsayin abokin tarayya na daidaitaccen kayan aikin manufa inda gazawar ba ta da tsada - bala'i ne. Mun ga abokan ciniki sun dawo sau uku tare da zane iri ɗaya na AMS 5387 cobalt alloy famfo zane: na farko don porosity na abu a radius wurin zama, na biyu don microcracking bayan maganin zafi, na uku saboda ƙarewar saman bai dace da ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai ba. Kowane lokaci, tushen tushen ba shine "ingancin simintin gyare-gyare ba" - kuskure ne tsakanin halayen gami, ƙirar gating, da jerin abubuwan taimako na danniya bayan simintin. A nan ne wannan masana'anta ke bayarwa.
Me yasa alluran cobalt-nickel ke buƙatar fiye da "simintin saka jari"
Yawancin masu samar da kayayyaki suna ɗaukar AMS 5387 ko T800 a matsayin wani nau'i kawai akan takaddun takamaiman. A zahiri, waɗannan allunan suna raguwa 17% fiye da 316 bakin ƙarfe yayin ƙarfafawa, haɓaka gradients na thermal 3 × steeper a cikin sassan bangon bakin ciki, kuma suna tsayayya da machining don haka kayan aikin carbide suna sa 40% da sauri idan ba a yi daidai lokacin da maganin zafin jiki ba. Mun auna wannan-a kan ainihin gidajen silinda na famfo piston da aka gina don sabis na mai da iskar gas.
QINGDAO QIANGSENYUAN baya fitar da cancantar alloy. Ƙwararrun ƙwararrun su suna haɓaka batches na albarkatun ƙasa tare da ƙwararrun masu kaya-bibiyar rarraba girman hatsi, watsawar lokaci na tsaka-tsaki, da abun ciki na oxygen zuwa 15 ppm. Lokacin da abokin ciniki ya aika da bututun ƙarfe na T800 tare da zaizayar ƙasa a makogwaro, mun gano shi zuwa hazo na niobium carbide mara daidaituwa a cikin wuri ɗaya mai zafi. Gyaran? Daidaita matsakaicin matsakaicin matsakaicin matsa lamba ta 0.8°C/saya-da kuma riƙe da takardu na kowane simintin kilogiram.
Wannan matakin sarrafawa yana aiki ne kawai saboda su IMPRO zuba jari simintin gyaran kafa masana'anta yana haɗa matakan aiwatar da wasu silo: ƙirar ƙirar kakin zuma an inganta shi akan hanyoyin kayan aikin CNC * kafin * ginin harsashi; Ana daidaita zagayen maganin zafi tare da kayan aikin injin ƙarshe; Ana tabbatar da sigogin ƙarewar saman (Ra ≤ 0.4 μm) ta hanyar amfani da profilometry na gani-ba kawai bincike-bincike ba-saboda rikice-rikicen kwarara yana buƙatar maimaita juzu'in ƙananan micron.
Haɗin kai tsaye ba ƙaƙƙarfan kalmomi ba ne—inshorar juriya ce
Wasu dillalai suna faɗin simintin simintin gyare-gyare-kawai, sa'an nan kuma aikin ƙirar kwangilar zuwa shaguna daban-daban guda uku. Wannan yana gabatar da kuskuren tarawa: ƙaddamar da ƙaddamarwa + machining gyarawa + yanayin zafi = sassan da suka dace akan CMM amma suna ɗaure cikin taro. A QINGDAO QIANGSENYUAN, ƙungiyar injiniya iri ɗaya ce ta mallaki cikakken sarkar-daga fassarar GD&T akan kiran sake duba zane zuwa gwajin aiki na ƙarshe akan benci na hydrostatic.
Mun bin diddigin jikin bawul ɗin matsa lamba 42 a cikin ayyukan samarwa guda biyu. Wadanda aka kera gaba daya a cikin gida sun nuna juzu'i na 92% akan filaye masu mahimmanci. Wadanda suka gama fitar da waje sun ragu zuwa 68%. Bambancin? Kurakuran canja wurin datum-to-fixture matsakaita 0.018 mm-isa ya isa ya daidaita rufewar kumfa a mashaya 250.
- CNC machining: 5-axis contouring lokaci guda don hadaddun hanyoyin ciki a cikin tushen famfo
- Maganin zafi: Vacuum annealing tare da taswirar thermocouple na ainihi a cikin kowane kaya
- Ƙarshe: Electropolishing don juriya na lalata * da * ƙananan laushi - an tabbatar da shi ta hanyar SEM
Babu wani mataki da aka ba da ba tare da an rubuta bayanan ganowa ba: lambobi masu yawa, ID na ma'aikata, rajistan ayyukan daidaita na'ura, da rahotannin CMM da aka adana ta ma'auni na AS9102-har ma don umarnin da ba na sararin samaniya ba. Domin lokacin da abin nadi na cibiyar winch ya gaza tsakiyar ɗagawa akan injin haƙar ma'adinai, "mun bi hanya" bai isa ba. Kuna buƙatar shaidar * menene * hanya-da kuma daidai yadda aka yi.
Isar da ainihin duniya yana nufin amsa aikin injiniya ba kawai kwanakin kalanda ba
"Isar da kan lokaci" ba yana nufin komai ba idan jigilar kaya ta farko ta zo tare da farar zaren da ba daidai ba akan filogin cobalt gami. QINGDAO QIANGSENYUAN tana gina jadawali juriya zuwa aikin injiniya-ba dabaru ba. Masu gudanar da ayyukan su ba kawai suna bin lokacin jagora ba; Suna nuna haɗarin kerawa *kafin* fara kayan aiki.
A bara, wani abokin ciniki na Turai ya ƙaddamar da GD&T da aka sabunta don toshe manifold na ruwa. Ƙungiyarmu ta gano cewa ƙayyadaddun haƙurin matsayi (± 0.025 mm) a datum C zai buƙaci niƙa bayan yin simintin gyare-gyare - ƙara $ 1,200 / raka'a da jinkirin makonni 3. Madadin haka, sun ba da shawarar gyaggyara ainihin bugu don matsar da datum zuwa saman injina, cimma daidaiton aiki iri ɗaya akan 40% ƙananan farashi. Abokin ciniki ya amince a cikin sa'o'i 48.
Wannan yana faruwa ne saboda injiniyoyinsu suna magana duka abubuwan ganowa da haɓakar ruwa. Sun san dalilin da yasa 0.1 mm diyya a cikin kusurwar fitarwa na bututun ƙarfe yana canza ingantaccen tsarin feshi da kashi 11%. Sun gwada ƙididdiga masu gudana akan 17 cobalt alloy geometries-ba daga simulation kadai ba, amma tare da madaidaitan benci masu gudana suna gudana ainihin ruwan aiki.
Idan kuna samo sassa na ƙarfe masu madaidaici inda aikin ya rataya akan amincin microstructure, ba kawai girman macro ba, zaɓin ba tsakanin masu siyarwa bane-yana tsakanin zato da shaida. An IMPRO zuba jari simintin gyaran kafa masana'anta baya yin alkawarin kamala. Yana ba da sakamakon da ake iya ganowa, mai maimaitawa, ingantattun sakamako masu aiki-ɗaya mai mahimmanci sashi a lokaci guda.
