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工业制造公司Siemensand powder bed fusion (PBF) 3D printer developerEOS两者都在首次亮相可持续的3D打印应用程序，西门子和粉末，EOSFormnexttrade show.
尽管西门子已经演示了如何3 d打印的我nherent design freedoms can help reduce the footprint of automotive grippers, EOS has introduced two eco-friendly materials. Traditionally petrol-based, the firm’s carbon-reduced PA 2200 now contains nearly 45% less CO2比以前。EOS还推出了气候中立的PA 1101，该气球1101设法基于生物的质量，而不受质量损害。
EOS可持续发展主管BjörnHannappel说：“我们目前评估了工业3D打印方面的各个方面的气候影响，以创造现状的透明度。”“我们还评估并提高了生产效率。对于我们的新环境绿色材料，我们尽可能减少温室气体排放。我们投资于黄金标准气候保护项目，以抵消不可避免的温室气体排放。”
“可持续发展不仅是我们的关键驱动力，而且对我们的客户也变得越来越重要。”
Siemens furthers green 3D printing
对于制造商来说,实现气候目标,Siemens says they must consider the entire value chain of a product transparently. At Formnext, the firm showed how such an approach can be deployed in practice via a series of 3D printing applications that yielded resource savings while helping businesses reduce their carbon footprints.
Utilizing itsnx for Am数字过程链和产品碳足迹计算器，西门子发现有可能将汽车处理机器人的握手的质量减少64％。这样做不仅产生了拓扑优化的部分，该部分比以前便宜73％，而且更便宜的部分，而且CO低82％2footprint. Due to the gripper’s much smaller size, the end-user has even been able to begin using smaller factory robots in a way that has cut its related energy bill by 54%.
在节目中揭幕的第二个用例中，西门子展示了它是如何合作的Generato improve the energy consumption of its 3D printers. Specifically, using Siemens Advanta’s AM Digital Factory Planning toolbox, the firms have been able to identify ways of improving system energy management, through manufacturing simulations. It’s thought energy savings could amount to 25-30% per part.
西门子在Formnext上的第三次申请演示展示了3D打印基础设施如何带来巨大的可持续性利益。作为一部分EU SeaBioComp project，，，，Ceadand Poly Products have 3D printed flax harbor fenders designed to ensure that quay walls don’t damage ships in port. These are usually made from plastics that wear, dropping microplastics into the sea. By printing and milling their fenders, the team made them more precisely from biodegradables.
EOS的新环保材料
For EOS, material sourcing, consumption, and reusability are critical to minimizing powder waste. When it comes to sourcing, the firm focuses on finding the ideal powders for 3D printing before turning to how they can be created and qualified for EOS systems, with the belief that through the use of raw materials and greater production efficiency, it’s possible to drive down scrap produced.
In keeping with this philosophy, EOS has introducedPA 2200 CarbonReduced，，，，a material that has been developed using a more efficient production process, effectively lowering its carbon footprint. At Formnext, the company also launchedPA 1101 ClimateNeutral。基于生物的粉末也比汽油聚合物的占地面积小，并获得认证证明其碳折叠式凭证。
As well as new materials, EOS showcased theFORMIGA P 110 FDR3D printer during the show. Unlike the firm’s existing offering, the system uses a CO laser with a focus diameter twice as small as existing SLS technologies to print parts with extremely fine surfaces and a minimum wall thickness of just 0.22 mm. As such, it’s thought the machine could have applications in areas where precision engineering is vital, like the creation of optics, and small gears, valves, pipes, plugs or electronics.
针对可持续材料
Developing sustainable 3D printing materials continues to be a key target for manufacturers and researchers across the industry. Earlier this year,Braskem’s first sustainable filament rangewas released atRapid+TCT，由基于生物的乙烯乙烯乙烯（EVA），再生聚乙烯（PE）和聚丙烯（PP）组成。
Over in Estonia,丝状has begunturning cigarette butts into filament。在该国首都塔林（Tallinn）的海滩海岸建立了垃圾箱之后，它计划使用它们来收集废物，从而将其转换为可堆肥的3D打印材料。
在formnext上Desktop Metal Forust Systemwas also debuted, a machine capable of printing upcycled sawdust into functional, end-use wooden parts. The process behind the unit was first unveiled last year, but the company has since refined the technology and is now bringing it to market.
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Featured image shows a Siemens-redesigned 3D printed robotic gripper. Image via Siemens.
