6ES5948-3UA23
6ES5948-3UA23
6ES5948-3UA23
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早在2014年美国海军就提出了“打印舰艇”的概念 ,将增材制造及3D打印技术应用到零部件的供应链中,美国海军人士称,掌握增材制造技术将是海军的优势之一,如果能在船的航行状态下使用3D打印技术,将是一件里程碑式的事件,必将大量减少备品备件的携带量,增加武器、燃料及补给的携带量,从而显著提高海军的远洋力。
(2)3D打印船模。美国卡德洛克海军水面中心采用3D打印技术成功打印出美军医疗船模型,用于测试船上风力气流的情况,该中心科学家称3D打印可以提供更快、更精准及更低成本的舰船模型。如果将该技术推广应用,在相同和相似领域必将产生深远的影响。
(3)3D打印螺旋桨。2016年初,国外两位发烧友尝试采用3D打印技术制造螺旋桨,他们同时选用了4种材料进行对比,取得了丰富的试验数据。
(4) 3D打印无人机。英国早在五年前就应用3D打印技术打印了世界上第一台无人机SULSA,经过多次改进后,于2015年进行海上试飞试验,尽管它只能飞行40min,但其低廉的成本和完成任务的表现,足以使人们产生浓厚的兴趣和继续研究的决心。
2016年SULSA正式服役,为英国皇家海军破冰船的南极之旅侦查路线。
美国海军研究学院启动3D打印无人机项目,该项目将现代通信技术和装备技术完美结合,为海军执行不同任务时打印出相应的无人机,2015年12月打印出一架反恐无人机,可搭载反恐所需的通信设备。与英国不同的是,美国的3D打印无人机是在船上完成的,将3D打印技术又向前推进了一大步。
(5)其他方面。增材制造除以上应用外,还在发动机铸造模具、涡轮增压部件及小艇模型等得到应用,增材制造(3D打印)技术正在船舶领域的各个方面大显身手。2016年1月7日,劳氏船级社颁布3D打印全球认证标准,旨在指导规范增材制造技术的推广应用。
3. 增材制造技术在船舶领域广泛应用的技术瓶颈
目前,增材制造3D打印技术在船舶行业的应用相对于整个造船领域来说只是冰山一角,远未达到广泛应用的程度,究其原因增材制造技术还是一门新兴的科学技术,还有很多技术瓶颈未能突破,比如以下几个方面:
(1)增材制造材料的相对匮乏。传统造船业所使用的材料主要为金属材料,金属材料的发展已有几千年的历史了,在这漫长的历史长河中金属材料的种类多种多样,性能各异,制造工艺也日益成熟,可以满足船舶制造的不同需求。而增材制造所使用的材料相比之下少之又少,制造的产品也远不能满足使用要求。因此,原材料的种类性能不能有大的进展,将直接影响增材制造技术的推广使用。
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