这波特兰州航空协会(PSAS) has used 3D printing technology to successfully launchORESAT0, a CubeSat system, into low Earth orbit.
PSAS manufactured the satellite’s critical subsystems usingCRP技术’Windform LX 3.0复合材料材料和工业3D打印。子系统包括一个可靠的旋转栅极天线，星形跟踪器镜头和传感器组件以及紧凑的电池组的可靠部署。该团队使用低成本的融合沉积建模（FDM）机器进行原型制作，然后以Windform LX 3.0过渡到选择性激光烧结（SLS）。ORESAT0.5将于2023年10月启动，OreSat1计划从International Space Station(ISS) in early 2024.
“OreSat is our fully open source, modular, and re-usable CubeSat system designed for educational teams,” said PSAS members. “OreSat uses a card cage system, which allows cards to be reused on different missions from 1U to 3U CubeSats. Cards include everything you would expect aboard a CubeSat: an onboard computer with multi-band radios, a battery pack, a star tracker, a GPS receiver, and the beginnings of an attitude determination and control system (ADCS). Solar modules are mounted on the outside of the Aluminum frame, along with deployable omnidirectional antennas.”
“我们非常高兴找到CRP Technology的Windform LX 3.0复合材料和CRP USA. With Windform LX 3.0, we could design the parts for 3D printing, run quick turns to prototype on local printers, and then print our final engineering and flight units out of Windform,” added PSAS members.
Windform LX 3.0 allows 3D printing of critical subsystems for OreSat0
公益广告选择Windform LX 3.0,玻璃fiber-reinforced material from the Windform TOP-LINE range of composite materials for the Powder Bed Fusion (PBF) 3D printing process. The SLS process produced parts that performed well in harsh environment testing, such as 14g of random vibration in all three axes and thermal vacuum cycling from -40 to +80°C.
PSAS members said, “There was no way we would have been able to get the packing density of three bands with four elements each in anything other than a 3D printed, non-conductive process. We don’t know of any other satellite with this kind of antenna density.”
根据CRP USA的说法，3D打印的零件满足了低地球轨道的严重振动，超出气流和热性能要求。PSAS认为，3D打印有助于加快像Cubesats这样的千克级卫星生产的革命。这些立方体现在具有以前仅在较大的100至1,000公斤卫星上使用的功能。ORESAT0是全球多个国家，公司和大学推出的最新立方体。
波特兰州立大学的PSA是一个开源的跨学科学生航空航天项目。Oresat Bus是一个开源，模块化和可重复使用的立方体系统，适用于学术团队，为设计和建造1U到3U Cubesats提供了DIY平台。PSA目前正在执行三个任务，所有这些任务均基于Oresat Bus。
Revolutionizing satellite manufacturing with 3D printing
Creatz3d, a Singapore-based 3D printing service provider, unveiled a novel, ultra-lightweight卫星发射容器. The novel structure, created in collaboration with partnersQosmosysandNuSpace，原本打算容纳50件黄金动手的艺术品，后来由SpaceX射向轨道，以纪念Pioneer 10 Proipe发射50周年。使用3D打印，两家公司可以将卫星持有人的质量减少超过50％，同时大大降低其成本和交货时间。
3D Systems, a 3D printer OEM, joined forces with车队空间，澳大利亚卫星开发人员，可为后者的Alpha卫星提供3D打印射频（RF）贴片天线。3D Systems的应用创新组（AIG）专门协助舰队空间，并使用DMP Flex 350 Metal Printer在三周内将其设计并过渡到小批次生产。车队空间正在阿德莱德的贝弗利购买DMP Flex 350，目的是最终将贴片天线制造带入内部。这3D printed antennaswill be an essential part of each satellite in Fleet Space’s Alpha constellation, which is scheduled to launch into low earth orbit (LEO) in 2023.
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Featured image shows the OreSat0. Image via PSAS.
