Lokacin da injiniyoyin sararin samaniya suna buƙatar injin turbine waɗanda ke riƙe ± 0.05 mm haƙuri a 1,200 ° C — ko gidajen bututun mai da ke rayuwa sabis na sa'o'i 30,000 ba tare da yaɗa microcrack ba - ba sa farawa da ƙayyadaddun ƙira. Suna farawa da halayen kayan abu, tarihin zafin jiki, da kwanciyar hankali a cikin yanayin yanayin zafi. Shi ya sa zuba jari simintin Aerospace factory haɗin gwiwa da wuya ya yi nasara akan ƙayyadaddun kasidu kaɗai. Sun rataya kan horo na ƙarfe, nuna gaskiya, da ƙwarewar hannu-kan tare da gami kamar AMS 5387 cobalt-chromium da T800-grade superalloys-kayan da ke tsayayya da mashin ɗin amma suna buƙatar daidaitaccen siffar-tsari.
Mun ga ayyuka da yawa sun tsaya tsayin daka a cikin cancanta saboda gidan wasan kwaikwayon ya ɗauki abubuwan da ke cikin sararin samaniya a matsayin "wani aikin juriya ne kawai." Gidan famfo na AMS 5387 na abokin ciniki ɗaya ya gaza gwajin girgiza-ba daga kurakuran ƙira ba, amma daga tsarin hatsi mara daidaituwa a cikin batches. Tushen dalili? Dillali wanda ya samo danyen cobalt-nickel ingots ba tare da takardar shedar batch ba, sannan ya tsallake tantancewar tabbatarwa. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., muna ɗaukar kowane simintin sararin samaniya a matsayin tsarin thermomechanical-ba kawai siffar ƙarfe ba. Kayan aikinmu mai yarda da ISO a cikin Qingdao yana gudanar da simintin saka hannun jari na cikakken zagayowar: taron kakin zuma, ginin harsashi na yumbu, tarwatsawa, harbe-harbe mai sarrafa injin, daidaiton zub da ruwa a ƙarƙashin argon, da jiyya mai zafi bayan jefawa tare da igiyar thermocouple na ainihi. Babu wani mataki da aka fitar. Babu wani abu da yawa da ke asarar ganowa.
Abin da ke raba aikin simintin saka hannun jari mai karfin sararin sama da maƙasudi na gaba ɗaya ba kayan aiki ba ne kawai - shine yadda ƙwaƙƙwaran simintin ke haɗawa da matakai na ƙasa. Muna injin 72% na simintin gyare-gyaren sararin samaniya a cikin gida ta amfani da cibiyoyin CNC 5-axis wanda aka daidaita kullun zuwa ISO 10360-2. Me yasa hakan ke da mahimmanci? Saboda cobalt alloy bawul ɗin jikin da aka jefa zuwa ± 0.3 mm ba zai iya cimma ± 0.025 mm haƙurin ID na ƙarshe ba sai dai in injin ɗin ya yi nuni da saman datum ɗin da aka kafa yayin taron ƙirar harsashi. Injiniyoyin mu sun tsara ƙofofin jefa ƙuri'a da masu tashi * tare da* jerin mashin ɗin ƙarshe a zuciya-ba bayan gaskiya ba. Misali, lokacin samar da gidaje na piston famfo na silinda don tsarin sarrafa na'ura mai ba da hanya tsakanin hanyoyin sadarwa, muna sanya masu ciyarwa don rage yawan damuwa a cikin bangon bango, sannan injunan na'ura ta ciki ta amfani da kayan aikin carbide na al'ada waɗanda suka dace da bayanin martabar taurin ƙasa. Wannan haɗin kai ya yanke raguwa da kashi 41 cikin 100 akan gine-gine na farko idan aka kwatanta da shagunan da simintin gyare-gyare da injina ke aiki azaman sassan silsila.
Wasu na iya jayayya cewa simintin yashi yana ba da saurin juyowa ga manyan gine-ginen sararin samaniya. Amma ga katanga mai sirara, rikitattun geometries-kamar ɓangarorin turbine shroud ko layin konewa - simintin saka hannun jari ya kasance ba zai iya maye gurbinsa ba. Yashi molds fama da bango kauri a karkashin 4 mm; yumbu bawo rike 1.8 mm akai-akai. Mafi mahimmanci, simintin yashi yana gabatar da haɗarin haɗar silica waɗanda ke yin lahani ga rayuwar gajiya a cikin abubuwan juyawa. Muna inganta kowane nau'in harsashi na sararin samaniya ta hanyar hoto na X-ray - ba kawai radiyo ba - kuma mun ƙi duk wani rami da ya wuce matsayin ASTM E192-22 Level 2 porosity. A bara, abokan ciniki biyu sun sauya daga masu samar da kayayyaki na Turai bayan gano fina-finai na oxide na ƙasa mai maimaitawa a cikin nozzles ɗin su na cobalt. Tsarin mu yana amfani da vacuum degassing pre-zuba da sarrafa yanayin sanyaya ƙasa da 100°C/hour ta hanyar gamma-prime solvus-kawar da waɗannan fina-finai gaba ɗaya.
Masu siyan sararin samaniya ba sa buƙatar sassa kawai. Suna buƙatar shedar shirye-shiryen dubawa: takaddun shaida tare da cikakken nazarin zafin sinadarai, rahotannin CMM da aka ɗaure zuwa GD&T callouts akan zanen ASME Y14.5, rajistan ayyukan kula da zafi da aka hatimi ta ƙwararrun masana ƙarfe, da bayanan gwajin da ba na lalacewa ba wanda aka gano zuwa NADCAP AC7108 Rev. F. Matsayin dubawa, zazzage ingantattun rahotanni, da bin diddigin juzu'i da sigogin sarrafa SPC. Don gina samfur na gaggawa, muna damfara zagayowar daga zana saki zuwa isar da labari na farko zuwa kwanakin aiki 14 - ba tare da tsallake lokacin bushewar harsashi ba ko rage abubuwan da za a iya cirewa. Wannan saurin ya fito ne daga ƙirƙira ƙwanƙwasa aikin aiki, ba matakan aiwatarwa ba.
Idan bangaren sararin samaniyar ku na gaba yana buƙatar AMS 5387 cobalt alloy, tushen geometry na T800, ko simintin ƙarfe na ƙarfe mai matsi tare da saman aikin da ke buƙatar Ra ≤0.4 µm—muna gina su don yin, ba kawai wucewa ba. Ba kamar abubuwan da ba na kan layi ba, amma kamar yadda gyare-gyaren tsarin da aka ƙirƙira a cikin maimaitawa, rubuce-rubuce, da matakan lissafin ƙarfe. Ziyarci https://www.tsingtaocnc.com don duba iyawar fasaha, neman rahotannin gwajin kayan aiki, ko tsara nazarin aikin injiniya tare da ƙungiyar haɗin gwiwar mashin ɗinmu. Madaidaici a cikin sararin samaniya yana farawa da dadewa kafin zubawa-kuma yana ƙarewa ne kawai lokacin da kowane girma, ƙayyadaddun ƙayyadaddun ƙayyadaddun abubuwa, da aikin sararin sama suka dace da mahimmin niyyar tashi.
