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產(chǎn)品簡介
NI ENET-485/4
NI ENET-485/4
產(chǎn)品價格:¥電詢
上架日期:2020-05-31 14:58:10
產(chǎn)地:NI ENET-485/4
發(fā)貨地:福州
供應數(shù)量:不限
最少起訂:1個
瀏覽量:72
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詳細說明

    NI ENET-485/4現(xiàn)貨 in stock! 歡迎來電咨詢~??!

    NI ENET-485/4,

    NI ENET-485/4

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    NI ENET-485/4


    3D打印在航空制造中的應用
    1、打印渦輪葉片鑄造型芯
    在鑄造金屬渦輪葉片時,為了形成高度復雜的內(nèi)部冷卻通道結構,常使用陶瓷鑄造型芯。鑄造葉片冷卻后,將葉片從模具中取出,同時內(nèi)部的陶瓷型芯需要溶解掉。
    目前,陶瓷鑄造型芯的結構越來越復雜,通過傳統(tǒng)的注射成型方式已經(jīng)無法實現(xiàn)。奧地利Lithoz公司采用LCM技術制造陶瓷葉片型芯,可以滿足航空航天和電力工業(yè)的需求。
    LithaCore 450是由Lithoz公司自主研發(fā)用于3D打印陶瓷葉片型芯的硅基材料,制備精度高,燒結后的葉片型芯產(chǎn)品具有非常低的熱膨脹率、較高的孔隙率、優(yōu)異的表面質(zhì)量和優(yōu)良的洗濾性等優(yōu)點。典型的應用有:單晶鎳基合金渦輪葉片鑄造型芯、定向凝固鑄造型芯、等軸鑄造型芯。
    2、打印發(fā)動機支架
    2018年11月1日,GE增材制造宣布,美國聯(lián)邦航空管理局已批準3D打印支架用于波音747-8 機型的GEnx-2B發(fā)動機(雙轉子軸流式大涵道渦輪風扇發(fā)動機),該支架將取代傳統(tǒng)制造的電動門打開系統(tǒng)支架,其作用是打開和關閉發(fā)動機的風扇罩門,制造設備為GEAdditive Concept Laser M2多激光器選區(qū)激光熔融系統(tǒng)。



    這款3D打印支架將在GE航空集團阿拉巴馬州奧本市的工廠開始批量生產(chǎn)。GE公司表示,與傳統(tǒng)方式制造的支架相比,3D打印技術將減少高達90%的材料浪費。在傳統(tǒng)支架的制造中,因金屬加工而產(chǎn)生的材料浪費約占50%。此外,3D打印支架采用了優(yōu)化設計方案,重量比傳統(tǒng)支架輕10%。


    據(jù)了解,這款3D打印支架為GE航空創(chuàng)造了兩個“第一”。首先,這是GE 第一個獲得認證的由ConceptLaser公司的選區(qū)激光熔融設備生產(chǎn)的3D打印零件。其次,這是GE航空第一次完成一種3D打印零件從設計到生產(chǎn)于10個月內(nèi)開發(fā)完成。
    在進行支架生產(chǎn)時,一次打印可以生產(chǎn)4個支架,在構建室中4個支架以互鎖設計的形式實現(xiàn),打印材料為鈷鉻合金。
    3D打印支架的制造成本低于原有成本,GEnx發(fā)動機的訂單量為2200臺,整體來看節(jié)約的成本非??捎^,并且3D打印支架比傳統(tǒng)支架更輕,將為航空公司節(jié)省燃料。
    3、打印燃料噴嘴
    2010年,空客將GE生產(chǎn)的LEAP-1A發(fā)動機作為A320neo飛機的選配,LEAP發(fā)動機中就帶有3D打印的燃油噴嘴。2015年5月19日,A320neo飛機首飛成功,裝有LEAP發(fā)動機的A320neo 同時獲得歐洲航空安全局和美國聯(lián)邦航空管理局的認證。
    2018年10月8日,GE航空工廠慶祝第30000個3D打印燃料噴嘴的成功出貨。該噴嘴自2018年以來一直在該工廠生產(chǎn),標志著規(guī)?;霾闹圃斓闹匾锍瘫A計2019年這種產(chǎn)品將達到40000支。
     

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