surFACe emItting Laser array for addITive mAnufacTuring Of theRmoplastics (FACILITATOR)

用于热塑性塑料增材制造的表面发射激光阵列（FACILITATOR）

• 批准号: 97661
• 金额: $ 37.67万
• 依托单位: VECTOR PHOTONICS LIMITED
• 依托单位国家: 英国
• 项目类别: Study
• 财政年份: 2021
• 资助国家: 英国
• 起止时间: 2021 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=97661
• 关键词: surFACe; emItting; Laser; array; addITive

Additive manufacturing (AM) is an enabling technology and is the future of manufacturing in a digital, local, low turnaround time, personalised world.This new field has the potential to revolutionise many aspects of human life. The materials which can be manufactured using this process can significantly reduce waste during the manufacturing process, as well as reduce the weight of parts shipped (reducing carbon emission for key sectors such as aerospace). These systems can also produce bespoke parts for medical applications, giving improved quality of life.Direct digital manufacturing, as part of industry 4.0, will become a future norm, providing custom parts in a timely manner with reduced environmental impact.Selective laser sintering (SLS), is a leading AM process. Current SLM systems repeatedly deposit a layer of material powder on a bed, then a high-power laser is scanned over the surface, melting only areas which require material deposition on the layer below, akin to writing with a pen. This is repeated layer by layer, building a complete 3D structure. The SLM systems are expensive, and \>60% of the cost of the parts manufactured in this way are time dependant, holding back the deployment of these systems. We have developed a method to massively increase the write speed of these systems (increasing the speed by 10x), which reduces the cost of parts manufactured by 4x.We propose the development of a rapid 3D printing technology based on semiconductor laser technology. The novelty in this work is the development of new laser systems which will allow an entire layer to be written in with a speed increase of 10x, which equates to a reduction in cost of part production of 4x.This will do for additive manufacturing what the printing press did for publishing.

增材制造（AM）是一项使能技术，是数字化、本地化、低周转时间、个性化世界中制造业的未来。这一新领域有可能彻底改变人类生活的许多方面。使用这种工艺制造的材料可以显着减少制造过程中的浪费，并减少运输部件的重量（减少航空航天等关键部门的碳排放）。这些系统还可以为医疗应用生产定制零件，提高生活质量。作为工业4.0的一部分，直接数字化制造将成为未来的标准，及时提供定制零件，减少对环境的影响。选择性激光烧结（SLS）是一种领先的AM工艺。目前的SLM系统重复地在床上存款一层材料粉末，然后在表面上扫描高功率激光，仅熔化需要在下面的层上沉积材料的区域，类似于用笔书写。这是一层一层地重复，构建一个完整的3D结构。SLM系统是昂贵的，并且以这种方式制造的部件的成本的1/>60%是时间依赖性的，阻碍了这些系统的部署。我们开发了一种方法来大规模提高这些系统的写入速度（将速度提高10倍），从而降低了4倍的零件制造成本。我们提出了基于半导体激光技术的快速3D打印技术的开发。这项工作的新奇在于开发了新的激光系统，该系统将允许整个层以10倍的速度增加，这相当于将零件生产成本降低4倍。