Lokacin da injiniyoyi suka bayyana carbon karfe zuba jari simintin sassa, Ba wai kawai suna yin odar karfe ba - suna buƙatar kwanciyar hankali a ƙarƙashin 350 bar na'ura mai aiki da karfin ruwa matsa lamba, microstructural daidaito a fadin 500-raka'a batches, da kuma surface mutunci da tsira abrasive slurry kwarara for 12,000 aiki hours. Wannan matakin aikin baya fitowa daga manyan abubuwan da aka samo asali. Yana buƙatar a carbon karfe zuba jari simintin sassa factory ginawa a kusa da horo na ƙarfe-ba kawai iyawar simintin ba.
Me yasa Simintin Zuba Jari Ya Yi Nasara don Abubuwan Mahimmanci na Carbon Karfe
Yashi simintin gyare-gyare yana mamaye samar da ƙarfe na carbon mai girma-amma ya gaza inda hadadden lissafi ya dace da tsananin aiki. Mun ga piston famfo Silinda gidaje sun ƙi sau biyu: na farko don 0.18 mm bambancin kauri na bango a cikin tashar tashar jiragen ruwa, sa'an nan kuma don micro-porosity kusa da yankunan da ke fama da zafi bayan kawar da damuwa. Zuba jari ya warware duka biyun. Tsarin harsashi na yumbu yana ba da ± 0.05 mm juriya na madaidaiciya akan fasali kamar tashoshi masu sanyaya na ciki da ƙumburi mai ɗaukar nauyi-ba tare da daftarin kusurwoyi ko layin rabuwa ba. Fiye da mahimmanci, sarrafa ƙarfi na kwatance yana rage raguwar raƙuman ruwa a cikin sauye-sauye masu kauri-zuwa-baƙi na gama-gari a jikin bawul ɗin matsa lamba da na'urorin buɗaɗɗen shaft na winch. The ciniki-off? Mafi girman farashin kowane bangare. A biya? Sifili sake yin aiki akan GD&T-mahimman bayanai. Don aikace-aikacen da gazawar ke nufin rage lokacin da ake kashe $18,000 / awa, wannan lissafin ba zai yuwu ba.
Ana Fara Mutuncin Abu Kafin Zuba
Simintin gyare-gyaren ƙarfe na carbon ya kasa-ba daga ƙaƙƙarfan dabarar simintin gyare-gyare ba-amma daga kayan abinci mara daidaituwa. Mun taɓa gano maimaituwar fashewa a cikin ASTM A216 WCB famfo tushe zuwa rarrabuwar manganese a cikin batches na billet da aka samo daga injina daban-daban guda uku. A yau, kowane narke yana farawa da ƙwararrun 1020-1045 grade ingots, wanda aka tantance ta OES spectroscopy kafin caji. Mahimmanci, muna haɗa simintin gyaran gyare-gyare tare da madaidaitan sandunan gwajin su—babu zato na “samfurin wakilci”. Wannan yana tabbatar da yanayin canjin lokaci iri ɗaya tsakanin sashin da rahoton gwajin injin sa. Don abubuwan haɗin gwal na cobalt na AMS 5387 (sau da yawa ana haɗa su cikin majalissar ƙarfe na carbon), muna kula da yanayin narkewar dual-narke: tsari ɗaya don bututun cobalt, wani don mahalli na ƙarfe na carbon-da cikakkun takaddun da ke haɗa duka biyu zuwa log ɗin tanderun magani iri ɗaya. Babu gajerun hanyoyi. Babu cakudawar tsari.
Inda Simintin Ƙarshen Ƙarshe, Daidaitawa Ya Fara
Cikakken simintin gyare-gyare ba a ƙare a shakeout ba. An gama lokacin da 0.002 ″ saman gamawa akan wurin zama na bawul ɗin matsa lamba ya wuce gwajin ruwan helium a 10-9 bar·L/s. Wannan yana buƙatar haɗin kai tsaye-ba kawai simintin gyare-gyare ba, amma aikin injin CNC, magani mai zafi, da ilimin awo a ƙarƙashin rufin ɗaya. Kayan aikin mu na ISO 9001 yana gudanar da niƙa 5-axis akan simintin gyare-gyaren bayan anneal don riƙe matsayi na gaskiya tsakanin 0.01 mm akan ƙirar flange 12-rami. Muna injin saman saman rufewa na ƙarshe *bayan* taimako na damuwa, ba a baya ba — kawar da hanyoyin yaɗuwar wargin. Binciken CMM ba ƙofar ƙarshe ba ne; yana cikin tsakiyar tsari. Bayan munanan machining, muna tabbatar da ta'addanci mai mahimmanci. Sai kawai mu ci gaba da gama yankewa. Wannan yana kamawa da wuri-wuri - ceton sa'o'i 72 na ɓata lokacin ƙarewar kowane babban gida.
Tabbatar da Gaskiyar Duniya, Ba Yarda da Takarda Kawai ba
Abokan ciniki suna tambaya: "Shin za ku iya sarrafa matosai na cobalt na T800 waɗanda aka yi musu walda a cikin ma'ajin ƙarfe na carbon?" Ee-amma kawai saboda mun inganta haɗin gwiwa-karfe ta hanyar zagayowar thermal 500 (-40°C zuwa +250°C) tare da taswirar haɗin kai na ultrasonic. Suna tambaya: "Shin gidajen ku na Silinda sun tsira daga yashewar cavitation a cikin famfunan ruwan teku?" Ee-saboda muna gwada su a cikin injin ɗinmu na sake zagayawa tare da abun ciki na silica 12% a 2800 RPM na awanni 400, yana auna asarar abu ta hanyar bayanan laser. Takaddun shaida yana da mahimmanci, amma halayen filin yana da mahimmanci. Shi ya sa kowane jigilar kaya ya haɗa da cikakken ganowa: lambar narkewa, ID na sake zagayowar zafin zafi, serial rahoton CMM, da sa hannu na ma'aikaci-ba kawai takardar shaidar yarda ba.
Don ɓangarorin simintin saka hannun jari na carbon karfe mai mahimmanci manufa, ba a auna ƙarfin a cikin ton ko fim ɗin murabba'i. An auna shi a cikin ƙananan juriya da aka riƙe, sa'o'i na sabis da aka kawo, da gazawar da aka hana kafin fara aiki. QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana aiki kamar a carbon karfe zuba jari simintin sassa factory inda karfen karfe ke tafiyar da injina-kuma inda kowane simintin ya ɗauki nauyin aikace-aikacensa, ba kawai takardar bayaninsa ba.
