AMS 5387 alloy part buƙatun yana ƙaruwa-ba saboda tallan talla ba, amma saboda injiniyoyi suna ci gaba da maye gurbin gurɓatattun gidajen famfo da kujerun bawul a cikin tsarin hydraulic mai ƙarfi da shi. Mun ga gyare-gyare guda uku a jere a wani kayan aikin teku na Turai OEM inda daidaitaccen bakin karfe na 17-4PH ya fashe a ƙarƙashin nauyin zafi na cyclic. Kowane lokaci, gyare-gyaren shine AMS 5387 cobalt-nickel alloy-musamman ɓangarorin injuna waɗanda ke riƙe taurin sama da 60 HRC bayan bayyanar 450°C kuma sun yi tsayayya da galling akan ƙaƙƙarfan magudanar ƙarfe. Wannan ba aikin ka'ida bane. Shi ya sa ƙungiyoyin sayayya yanzu suna bincika "AMS 5387 alloy part" tare da gaggawa-kuma me yasa daidaito ya fi farashi.
Me yasa AMS 5387 Ba Kawai Wani Bayanin Superalloy bane
AMS 5387 yana ayyana vacuum-cast cobalt-nickel-chromium-tungsten-molybdenum alloy—ASTM F75 grade, amma ya fi ƙarfi. Ƙarfinsa na ainihi ya ta'allaka ne a cikin halaye guda uku waɗanda ba za a iya sasantawa ba: na farko, ƙarfin yawan amfanin ƙasa yana tsayawa sama da 1,100 MPa har zuwa 650 ° C; na biyu, yana tsayayya da kama karfe-zuwa-karfe ko da ba tare da man shafawa ba; na uku, yana kiyaye kwanciyar hankali bayan maimaita hawan keke tsakanin -40°C da +500°C. Waɗannan ba abubuwan jin daɗi ba ne. Su ne dalilin da ya sa sassan AMS 5387 ke rayuwa a cikin gidaje na famfo na silinda na piston akan na'urorin hako ruwa mai zurfi - kuma me yasa ba a yi amfani da maganin zafi ba daidai ba ko mashin ɗin da bai dace ba zai iya goge waɗannan fa'idodin a cikin tsari ɗaya.
Mun gwada masu samar da kayayyaki 12 sama da shekaru biyar. Rabin ɓangarorin da aka isar da su waɗanda suka wuce binciken sinadarai amma sun gaza gwajin aiki - ƙananan fashe-fashe sun bayyana yayin hawan keken matsa lamba a mashaya 350. Tushen dalili? Rashin isassun taimako na damuwa kafin niƙa na ƙarshe. AMS 5387 ba ya gafartawa. Yana buƙatar cikakken tsarin horo: ƙwararrun albarkatun albarkatun ƙasa, sarrafa yanayin yanayi, CNC multi-axis tare da tsayayyen kayan aiki, da tabbatar da amincin saman ƙasa-ba kawai ƙimar Ra ba, amma bincikar ƙananan ƙirar ƙasa ta hanyar sassan giciye na SEM.
Abin da Ya Sa Mai Kayayyakin Ya Cancanta—Ba Shaida Ba Kawai
Takaddun takaddun shaida ba sa ba da garantin amincin AMS 5387 gami. Muna tabbatar da iyawa ta wuraren bincike guda uku: gano kayan abu har zuwa narkar da lamba, a cikin aiwatar da binciken CMM a cikin mahimman bayanai na GD&T (musamman matsayi na gaskiya akan ɓangarorin ɗabi'a), da ingantaccen aiki ta amfani da ƙayyadaddun ƙayyadaddun gwaji na abokin ciniki-ba firam ɗin kaya ba. Ɗaya daga cikin matakan sararin samaniya na Arewacin Amirka-1 ya ƙi kashi 47% na jigilar kayayyaki na farko daga mai siyar da ke da'awar yarda da ISO 9001-saboda rahotannin CMM na su ba su da rajistar ramuwa na zafin jiki, da kuma raɗaɗin zafin jiki na 0.012 mm.
Kwarewa ta gaskiya tana nufin haɗin kai tsaye. Yin jifa kaɗai ba zai yanke shi ba. AMS 5387 yana buƙatar simintin saka hannun jari don ƙaƙƙarfan sifa-amma sannan yana buƙatar daidaitaccen juyi, niƙa na ciki, da sau da yawa EDM don wurare masu sanyi. Duk wani abin hannu tsakanin kamfen da kantin injuna yana gabatar da haɗari: rashin daidaiton zato na faɗaɗa zafi, rashin daidaituwar bayanai, ko girgizar da ba a yi rikodin ba yayin yanke hukunci. Ƙarfafan ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwarar ) sun mallaki nau'i-nau'i da machining-kuma suna sarrafa duk tarihin zafi.
Zane-zane na Gaskiya & Ƙimar Kasuwanci
Masu ƙira galibi suna ƙayyadad da AMS 5387 don juriya - amma kau da kai ga hukuncin machinability. Gudun yanke dole ne ya ragu da 40% tare da Inconel 718. Rayuwar kayan aiki tana raguwa da 60% idan kwararar sanyi ta faɗi ƙasa 25 L/min. Muna ba da shawarar waɗannan gyare-gyaren da aka tabbatar da su a filin: yi amfani da abubuwan da aka saka polycrystalline lu'u-lu'u (PCD) don ƙare ɓarna; tsara maganin zafi *bayan* m machining amma *kafin * karshe nika; kuma saka ƙarewar saman a matsayin "Ra ≤ 0.4 µm * ba tare da farin Layer na ƙasa ba" - wanda aka tabbatar ta hanyar etch-da-auna, ba stylus kadai ba.
Farashin ba na layi ba ne. Ma'auni na 2023 a cikin ayyukan 14 ya nuna farashin AMS 5387 3.2 × fiye da 17-4PH - amma jimlar farashin rayuwa ya ragu da kashi 58% saboda maye gurbin da ba a shirya ba sama da watanni 18. Ma'anar karya-ko da? Zagayen kulawa guda uku. Idan tsarin ku yana gudana 24/7 tare da> 200 bar pulsation, AMS 5387 yana biyan kansa kafin canjin mai na farko.
Inda Daidaito Ya Hadu da Mahimmancin Aminci
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. ƙera AMS 5387 alloy part mafita don famfo na ruwa, bawuloli matsa lamba, da winch cibiyar shaft rollers-bangaren inda gazawar yana nufin raguwa, haɗarin aminci, ko bayyanar muhalli. Kayan aikinsu na yarda da ISO yana sarrafa samar da cikakken sake zagayowar: simintin saka hannun jari, 5-axis CNC machining tare da hadedde tsarin kula da zafi, da ingantaccen ingancin saman ta amfani da bayanan gani da taswirar microhardness. Kowane sashi na AMS 5387 yana jigilar kaya tare da cikakkun abubuwan gano abubuwa, rahoton binciken CMM wanda ya dace da ASME Y14.5, da bayanan gwajin aiki ta ƙayyadaddun ƙayyadaddun abokin ciniki.
Ba sa sayar da kayan kwalliya. Suna isar da ingantaccen aiki - ƙarƙashin matsin lamba, a zazzabi, akan jadawalin. Lokacin da tsari na gaba na AMS 5387 alloy ya zo, nemi log ɗin narkewa, tambarin rahoton CMM, da rikodin zagayowar zafi. Idan mai sayarwa ya yi shakka, kun riga kun san amsar.
