{"id":163853,"date":"2021-08-30T15:04:42","date_gmt":"2021-08-30T07:04:42","guid":{"rendered":"http:\/\/facfox.com\/docs\/?post_type=kb&p=163853"},"modified":"2021-10-14T16:44:55","modified_gmt":"2021-10-14T08:44:55","slug":"3d-printing-and-electroplating-for-experimentation","status":"publish","type":"kb","link":"https:\/\/facfox.com\/docs\/kb\/3d-printing-and-electroplating-for-experimentation","title":{"rendered":"3D Printing and Electroplating for Experimentation"},"content":{"rendered":"

Andreas Osterwalder calls his office a museum: what looks like a collection of small machines are 3D printed and partially electroplated parts<\/a> that the scientist has been creating for his experiments at the Swiss Federal Institute of Technology in Lausanne (EPFL).<\/p>\n

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Experimental setups like Osterwalder\u2019s beamsplitter function as highly complex machines, and turning a research idea into the actual experiment can easily take months or even years. A common bottleneck is the actual fabrication of specific customized components.<\/p>\n

With the help of a electroplating company specialized in rapid prototyping parts, Osterwalder has found a method to expedite and lower the cost of advanced experimental setups using 3D printing and electroplating.<\/p>\n

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Osterwalder\u2019s office, including his \u201cmuseum\u201d of 3D printed, partially electroplated parts and his beam splitter.<\/figcaption><\/figure>\n
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Osterwalder\u2019s research is part of an emerging field called \u201ccold chemistry.\u201d<\/p>\n

Chemical reactions occur when molecules or atoms collide, and most of the chemistry relevant to humans happens at temperatures around room temperature and above. But collisions also take place at much lower temperatures\u2013even if there is almost no movement.<\/p>\n

The goal of Osterwalder\u2019s research is to study chemistry at absolute zero, -273.15 \u00b0C, in order to understand some of the most basic aspects of molecular interactions.<\/p>\n

In order to observe and control molecules at such a low temperature, scientists have to be able to completely control their motion.<\/p>\n

\u201cYou can imagine a jet of water: the molecule beam is inside a vacuum and in this condition we can start controlling the direction in which the jet is steered,\u201d said Osterwalder, who created a macroscopic beam splitter for this experiment.<\/p>\n<\/div>\n<\/div>\n

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A First Step Towards 3D Printed Experiment Setups<\/h2>\n
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A researcher can come up with a complex technical drawing in no time, but manufacturing the experimental setup relies on precision engineering with traditional manufacturing methods like CNC or machining that normally take several months. Osterwalder wanted to find a faster and more cost-effective method to go from idea to experiment.<\/p>\n

He first became aware of 3D printing around 2009, but then-available fused deposition modeling (FDM), stereolithography (SLA), and metal sintering technologies were not precise enough or too expensive for his purposes.<\/p>\n

Stereolithography is a 3D printing technology that uses a laser to cure a resin into a finished part. Learn more about SLA and how it’s used<\/a>.<\/p><\/blockquote>\n

With the Form 2<\/a> SLA 3D printer, which Osterwalder bought when it launched in 2015, he was finally satisfied. \u201cSLA 3D printing is all about resolution,\u201d Osterwalder said. \u201cThis makes it easy for me to focus on generating complex structures, which will practically look exactly the same when they come out of the printer.\u201d<\/p>\n

A Beam Splitter Manufactured in Days Instead of Months<\/h2>\n
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Osterwalder\u2019s 3D printed and electroplated beam splitter allows him to split a stream of gas-phase molecules into two streams without touching the molecules. The metal structure is used to produce strong electric fields by applying voltages on the order of 10,000 volts. These fields then generate a force on the molecules. Similar devices are simple to construct for light\u2013for example, a partially reflecting window\u2013but are much harder to achieve for molecules.<\/p>\n

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The above illustration shows Osterwalder\u2019s beam splitter, an electrode structure of 35 cm length, printed in three segments of 15 cm, 10 cm, and 10 cm at a 0.025 mm resolution.<\/figcaption><\/figure>\n
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Using 3D printing and electroplating, Osterwalder could reduce the production time of this experimental setup from several months to under one week. Osterwalder needed a few days to design the beam splitter and only 36 hours for 3D printing in his own lab. Electroplating the structure in nickel took just one more day. In the end, shipping the 3D printed parts back and forth from the electroplating company took longer than anything else in the process.<\/p>\n<\/div>\n<\/div>\n

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Electroplating 3D Printed Parts<\/h2>\n
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From chrome-plated water taps or the grills of a car, electroplated parts are everywhere: coated with chromium, silver, or another high-quality metal by electrolysis to improve appearance and material properties such as wear-resistance and electrical conductivity.<\/p>\n

Electroplating plastics, however, is a challenge. Plastics generally do not conduct electricity, which is essential for the electroplating process. A chemical pretreatment can solve this problem, but until the early 2000s this process only showed success with a few plastics, such as ABS. Osterwalder turned to Swiss company Galvotec<\/a> for guidance.<\/p>\n

\u201cI felt challenged to make electroplating work for other materials,\u201d said Rico Schuhmacher, founder of Galvotec. \u201cI conducted extensive research and experimentation with various plastic materials. After one year, I decided to found my company for electroplating plastics in 2012.\u201d<\/p>\n

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3D printed parts in gold, electroplated by the Swiss company Galvotec, one of few in the world specializing in metal coating for rapid prototyping. Electroplating is used to improve appearance and material properties such as strength and electrical conductivity.<\/figcaption><\/figure>\n

There are only a few electroplating companies specialized in rapid prototyping worldwide and Galvotec is the only one in Switzerland. \u201cMr. Osterwalder\u2019s parts had to be partially coated. That means some areas had to be electroplated, and others not. Through creating masks, we managed to achieve this result,\u201d Schuhmacher said. \u201cAnother challenge was preventing electrical contact between two surfaces, so we had to do the coating for them separately.\u201d<\/p>\n

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According to Schuhmacher, electroplating can extensively broaden the range of applications for 3D printing. Material properties that electroplating can achieve for 3D printed parts go from being electrically conductive, magnetic, or electromagnetic to having higher wear resistance and dimensional stability. In addition, there is an entire palette of decorative coating, such as gold.<\/p>\n<\/div>\n<\/div>\n

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Fast, Flexible, Replicable Experimentation<\/h2>\n
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Electroplating 3D printed parts is still a novelty. While it holds obvious benefits for engineering, Osterwalder also sees a huge potential for scientific applications.<\/p>\n

\u201cOur experiments use real machines, with many tubes and pumps, which are very complex to create with traditional methods like machining or CNC. Many of these components can be 3D printed in a much shorter time and with greater flexibility.\u201d<\/p>\n

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Osterwalder found the high quality surface of the 3D printed and electroplated beam splitter to be better than machined and polished devices of the same kind.<\/figcaption><\/figure>\n

The scientist is convinced that the combination of 3D printing technology and electroplating can be extended to construct otherwise impossible experiments.<\/p>\n

Read Osterwalder and Gordon\u2019s recently published research paper<\/a> to understand how electroplating a 3D printed plastic piece opens a plethora of avenues for research.<\/p>\n

Looking to the future, Osterwalder doesn\u2019t believe these advantages are constrained to his specific research. In fact, for him the question is not what to do with a 3D printed beam splitter, but how it can be reproduced for other experiments.<\/p>\n

\u201cIn almost any field of research, duplicating the exact same experiment is crucial for verification and further investigations. 3D printing could allow us to create a flexible system, built like LEGO blocks, in which each part is 3D printed and can be duplicated,\u201d said Osterwalder. His vision is to empower research institutes and labs around the world to conduct and reproduce experiments simply by transferring an STL file.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Andreas Osterwalder calls his office a museum: what looks like a collection of small machines are 3D printed and partially electroplated parts that the scientist has been creating for his experiments at the Swiss Federal Institute of Technology in Lausanne (EPFL). Experimental setups like Osterwalder\u2019s beamsplitter function as highly complex machines, and turning a research […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"kbtopic":[45],"kbtag":[126,626],"class_list":["post-163853","kb","type-kb","status-publish","hentry","kbtopic-tech","kbtag-3d-printing","kbtag-electroplate"],"yoast_head":"\n3D Printing and Electroplating for Experimentation - FacFox Docs<\/title>\n<meta name=\"description\" content=\"Andreas Osterwalder calls his office a museum: what looks like a collection of small machines are 3D printed and partially electroplated parts that the Andreas Osterwalder calls his office a museum: what looks like a collection of small machines are 3D printed and partially electroplated parts that the scientist has been creating for his experiments at the Swiss Federal Institute of Technology in Lausanne (EPFL).\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/facfox.com\/docs\/kb\/3d-printing-and-electroplating-for-experimentation\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"3D Printing and Electroplating for Experimentation\" \/>\n<meta property=\"og:description\" content=\"Andreas Osterwalder calls his office a museum: what looks like a collection of small machines are 3D printed and partially electroplated parts that the Andreas Osterwalder calls his office a museum: what looks like a collection of small machines are 3D printed and partially electroplated parts that the scientist has been creating for his experiments at the Swiss Federal Institute of Technology in Lausanne (EPFL).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/facfox.com\/docs\/kb\/3d-printing-and-electroplating-for-experimentation\" \/>\n<meta property=\"og:site_name\" content=\"FacFox Docs\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/facebook.com\/facfox3d\" \/>\n<meta property=\"article:modified_time\" content=\"2021-10-14T08:44:55+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/img.facfox.com\/imgs\/2021\/08\/26f718a024ce6676.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@facfox3d\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/facfox.com\/docs\/kb\/3d-printing-and-electroplating-for-experimentation\",\"url\":\"https:\/\/facfox.com\/docs\/kb\/3d-printing-and-electroplating-for-experimentation\",\"name\":\"3D Printing and Electroplating for Experimentation - 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