Lokacin da injiniyoyi suka ƙididdige abubuwan ƙarfe na bakin karfe don bawul ɗin ruwa, famfo gidaje, ko shingen winch, ba kawai zaɓin abu bane - suna yin fare akan kwanciyar hankali a ƙarƙashin matsa lamba 300, juriya na lalata a cikin mahalli na teku mai cike da gishiri, da amincin microstructural bayan magani mai zafi. Shi ya sa zabar dama bakin karfe aka gyara factory ba game da farashin kowace kilogram ba. Yana game da horon tsari, gano ƙarfe na ƙarfe, da ingantaccen iyawa tare da AMS 5387 cobalt alloys, T800 superalloys, da madaidaicin-simintin 17-4PH ko F22 gidaje duplex.
Kalubalen inji na duniya na ainihi suna buƙatar fiye da injinan CNC
Mun ga ayyuka da yawa sun tsaya tsayin daka a matakin samfuri-ba saboda ƙirar ta gaza ba, amma saboda mai ba da kaya ba zai iya ɗaukar ± 0.015 mm akan gidan silinda na piston famfo tare da katse zaren ciki da tashoshi na sanyaya mai bakin ciki ba. Standard bakin karfe machining aiki ga brackets da flanges. Amma sassa masu mahimmancin manufa-kamar bawul ɗin matsa lamba da ke aiki a 120°C a cikin mai & gas skids ko na'ura mai ratsawa na tsakiya don winches abin hawa na injiniya - suna buƙatar haɗaɗɗen sarrafa injina. Ba za ku iya fitar da simintin yashi ga mai siyarwa ɗaya ba, zafin zafi ga wani, sannan ku mika zuwa kashi na uku don kammala axis da yawa. Karɓar zafin jiki na shiga ciki. Matsakaicin kwararar hatsi. Dimensional drift yana tarawa.
Shi ya sa a tsaye al'amura hadewa: sarrafa cikakken sarkar-daga bokan 316L ko F51 raw bar tabbaci stock, ta hanyar zuba jari simintin gyaran kafa na nozzles, zuwa 5-axis milling na sealing saman da karshe passivation-tabbatar da maimaitawa inji Properties. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., kowane cobalt gami filogi yana farawa da batch-certified T800 ingot. Kowane simintin bakin karfe ana yin nazari na gani kafin zuba. Babu ware.
AMS 5387 da T800 ba ƙayyadaddun lambobi ba ne kawai - maki ne na gazawar da ke jiran faruwa
Wasu masu samar da kayayyaki suna faɗin “cobalt alloy” ba tare da ƙayyadadden maki ba. Wannan yana da haɗari. AMS 5387 cobalt alloy 6 yana ba da takamaiman taurin (38-45 HRC), haɓaka haɓakawar thermal (12.5 × 10⁻⁶ / ° C), da juriya na zaizayar ruwa don manyan hanyoyin ruwa. T800 ya ci gaba - an tsara shi don yanayin zafi har zuwa 800 ° C, tare da juriya mai mahimmanci a cikin majalissar famfo injin turbine. Amma waɗannan na'urorin gami a 1/3 ƙimar abinci na 304 bakin karfe. Tool sa spikes. Mutuncin saman yana rugujewa idan matsa lamba mai sanyaya ya faɗi ƙasa da sanduna 70 ko rigidity na igiya ya faɗi gajere.
Mun auna shi: hanyar da ba a sarrafa ta kayan aiki akan bututun ƙarfe na AMS 5387 ya haifar da microcracking na ƙasa da ake iya gani kawai a ƙarƙashin SEM. Sashin ya wuce gwaje-gwajen girma-amma ya gaza fashe gwaji a kashi 92% na matsa lamba. Ƙarfin gaskiya yana nufin gudanar da ingantattun ɗakunan karatu na kayan aiki, sa ido kan yanke ƙarfi a cikin ainihin lokaci, da daidaita yanayin ƙasa (Ra ≤ 0.4 µm) tare da rayuwar gajiya mai aiki. Wannan ba zai yuwu ba ga abokan aikin masana'antar kayan aikin bakin karfe masu kula da sassan famfo mai darajar sararin samaniya.
Ba a bincika inganci a ciki - an gina shi a ciki, a gano shi
"Shaidar ISO" tana nufin kaɗan sai dai idan kun ga yadda yake aiki kullum. A wannan wurin, bel ɗin bakin karfe masu shigowa suna samun tabbaci guda biyu: PMI spectroscopy + takardun shaida na gwaji daga kowane zafi. A lokacin injin, CMM cak na faruwa bayan roughing, Semi-karewa, da wucewa ta ƙarshe-ba kawai a ƙarshe ba. Matsala mai mahimmanci? An auna tare da ma'aunin iska wanda aka daidaita kullun. Siffofin zaren? An tabbatar da na'urar tantancewa, ba matosai kawai ba.
Bambance-bambancen ba aikin takarda ba ne—lambobin QR masu ɗauke da laser akan kowane jikin bawul ɗin da ke da alaƙa da narkewar log ɗin sa na asali, yanayin maganin zafi, da rahoton dubawa na ƙarshe. Lokacin da OEM ta Turai ta nemi ingantacciyar GD&T don tushe mara tushe na famfo, ƙungiyar ta ba da zane-zanen ƙira waɗanda ke nuna daidai inda aka kafa maƙasudin datum akan simintin gyare-gyare-kuma me yasa waɗannan wuraren suka rage jujjuyawa-jawowa yayin aikin gamawa. Wannan matakin bayyana gaskiya yana yanke farashin NRE da kashi 30 cikin ɗari akan matsakaita.
Amincewa yana farawa tun kafin jirgin ruwa na farko
Daidaiton isarwa yana rataye akan abubuwa uku: sarƙoƙin samar da albarkatun ƙasa, lokutan zagayowar da za a iya tsinkaya, da martanin masana'anta na farko. Mun taimaka wa abokan ciniki su guje wa gyare-gyare ta hanyar nuna kaurin bango wanda zai haifar da raguwa a cikin simintin gyare-gyare na 17-4PH-ko gano kiran GD&T wanda ke buƙatar gaging na al'ada fiye da daidaitaccen damar CMM. Wannan ba "tallafin injiniya bane." Yana da ƙayyadaddun haɗarin da aka gina a cikin lokaci mai faɗi.
Ga abokan cinikin da ke samar da kayan aikin bakin karfe don kasuwannin duniya-ko masu haɗa tsarin injinan ruwa na Arewacin Amurka, famfo OEMs na Jamus, ko masu ginin kayan aikin ruwa na kudu maso gabashin Asiya—darajar ta ta'allaka ne a cikin rikodin maimaitawa a cikin batches, ba mafi ƙarancin farashi ba. QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana mai da hankali kan abin da ke motsa allura: daidaiton ƙarfe, amincin jumloli akan sarƙaƙƙiya masu sarƙaƙƙiya, da rashin daidaituwa akan ganowa. Domin lokacin da bangaren ku ya rufe matsa lamba 300, babu wata dama ta biyu.
