Lokacin da injiniyoyi suka bayyana zuba jari simintin gyaran kafa silicone Sol Fondry factory iyawa, ba kawai neman mai siyarwa bane - suna neman kwanciyar hankali a ƙarƙashin matsin zafi, daidaiton microstructural a cikin gidaje 50-kg cobalt gami da famfo famfo, da rashin haƙuri ga porosity a cikin jikin AMS 5387 bawul. Wannan ita ce gaskiyar aiki da muke gani kowace rana a QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD - masana'anta na Qingdao inda "silicone sol" ba buzzword ba ne; tsarin ɗaure ne wanda ke ɗaukar juzu'i na 12-micron saman ƙarewa akan nozzles na alloy na T800 kafin cirewa.
Mun jefa sama da abubuwan cobalt-nickel sama da 17,000 tun daga 2019-kowanne yana bin sawu zuwa tsari, lambar zafi, da rahoton binciken CMM. A cikin ɗayan aikin OEM na injin lantarki na Arewacin Amurka, gidan silinda na piston famfo ya gaza sau uku tare da harsashi na silica mai haɗakar da mai fafatawa: microcracks da aka kafa yayin lalatawar tururi saboda rashin daidaituwar haɓakar zafi tsakanin harsashin yumbu da madaidaicin alloy T800. Tsarin mu na silicone sol, wanda aka warkar da shi a 180 ° C maimakon 120 ° C, rage yawan damuwa da 41% - an tabbatar ta hanyar nazarin lattice XRD. Wannan ba ka'idar ba ce. Abin da ya sa abokan ciniki suka aiko mana GD & T-zane-zane masu nauyi tare da ± 0.015 mm matsayi na gaskiya - kuma suna tsammanin amincewar labarin farko.
Me ya raba gaskiya zuba jari simintin gyaran kafa silicone Sol Fondry factory daga simintin manufa na gaba ɗaya? Abubuwan da ba za a iya sasantawa ba guda uku: Na farko, sarrafa albarkatun ƙasa. Mun samo ƙwararrun AMS 5387 cobalt alloy ingots tare da cikakkun rahotannin gwajin niƙa-ba kawai takaddun shaida ba. Na biyu, tabbatar da ingancin harsashi. Kowane rukunin harsashi yana fuskantar gwajin ƙarfin ƙarfi mai zafi a 1,150 ° C kafin a zuba. Na uku, ilimin lissafi bayan simintin gyare-gyare. Sassan simintin yashi suna raguwa ba zato ba tsammani; Simintin saka hannun jari ta amfani da silicone sol yana raguwa a cikin ± 0.12% - amma kawai idan kuna sarrafa haɓaka ƙirar kakin zuma, bushewar harsashi (≤35% RH), da ƙimar hawan wuta. Muna shiga duka ukun a ainihin lokacin.
- Material ƙware fiye da takaddun ƙayyadaddun bayanai: Ba mu kawai "tsari" T800 ba - mun san yanayin narkewar eutectic yana canzawa 23 ° C lokacin da chromium ya sauke 0.4%. Shi ya sa ake daidaita ma'aunin zafi da sanyio na tanderu a kullum bisa ka'idojin NIST.
- Babu injin "black box": Kowane karfe ko bakin karfe simintin gyare-gyare yana tafiya kai tsaye daga fashewar harsashi zuwa CNC-babu matsakaiciyar zafi sai dai in an ƙayyade. Me yasa? Saboda injunan 5-axis ɗinmu na cikin gida suna riƙe ± 0.008 mm daidaiton matsayi akan tushen famfo diamita 300-mm, kawar da kurakuran sake gyarawa.
- Gano abin da zai fara kafin zuba: Kowane kuri'a yana ɗauke da alamar QR mai alaƙa da takaddun shaida, ginin rajistan ayyukan harsashi, zub da yanayin zafin jiki, da rahotannin CMM na ƙarshe - duk ana samun dama ga abokan ciniki ta hanyar kafaffen hanyar sadarwa.
Wasu na iya jayayya cewa silicone sol ya wuce kima don matsakaici-girma gudu. Amma yi la'akari da wannan: Wani maginin filin mai na kudu maso gabashin Asiya yana buƙatar raka'a 220 na filogin cobalt wanda ba daidai ba. Masu fafatawa sun nakalto simintin yashi-sannan suka kara $14,000 don gyare-gyaren tsari bayan juzu'i mai girma na farko. Mun isar da amincewa ta farko ta amfani da bawoyin silicone sol, tare da bambancin kauri na bango da aka riƙe zuwa ± 0.18 mm a cikin sassan 120 mm. Farashin delta? 7.3% mafi girma a kowace naúrar-amma 100% ƙasa da sake aikin injiniya, juzu'i, da isar da kwanaki 19 gabanin jadawalin. Daidaitaccen simintin gyare-gyare ba game da guje wa injina ba ne - game da sarrafa inda da kuma nawa ke faruwa.
Dubi zuwa gaba: Muna faɗaɗa ƙarfin silicone sol ɗin mu don haɗawa da simintin simintin kusa-net-daidaitacce EDM don tashoshi masu sanyaya cikin ciki a cikin manyan bawul ɗin bawul-tsarin da ba zai yuwu a haƙa simintin simintin ba. Amma fifikon yau bai canza ba: isar da bawul ɗin matsa lamba waɗanda ke rufe a mashaya 420 ba tare da ɗigo ba, gidajen famfo waɗanda ke tsira da rayuwar sabis na sa'o'i 15,000 a cikin slurry, da ƙwanƙwasa ƙwanƙwasa ƙwanƙwasa tare da taswirar taswirar micro-Vickers. Idan aikace-aikacenku yana buƙatar amincin ƙarfe mai maimaitawa-ba kawai “simintin bugawa ba” sannan dama zuba jari simintin gyaran kafa silicone Sol Fondry factory ba a bayyana shi ta hanyar murabba'i ko fitarwa na shekara-shekara. An ayyana shi ta mafi ƙarancin diamita na pore ɓangaren ku mai mahimmanci zai iya jurewa… da horon tsari don tabbatar da shi.
