We have reported that the famous wire manufacturer colorFabb has introduced a new high-performance 3D printed wire, the carbon fiber composite XT-CF20 based on copolyester, which is said to contain more than 20% carbon fiber material. The rigidity, dimensional stability and heat resistance are very good.
Recently, in order to demonstrate the powerful performance of 3D printed materials , the colorFabb team used a common desktop 3D printer and XT-CF20 wire to print out a fully functional bicycle, strictly speaking a bicycle frame, bicycle wheel And the transmission system uses both traditionally manufactured components.
Specifically, the colorFabb team used the SOLIDWORKS software to design the entire bike and then printed it in 3D with an Ultimaker Original Plus. After the assembly was completed, an intern from the design team, Stephen Schürmann, rode it and ran a test in the town.
"The development of this concept bicycle proves that a racing bike can be built using a common 3D printer plus a new composite material. Our design goal is to create a real life, normal situation. Bicycles that can be used," said the colorFabb team. "We want to use this bike to show other engineers what today's 3D printing technology can do and push them to use this technology to implement their projects."
In order to fully demonstrate the advantages of its XT-CF20 carbon fiber filled wire, the colorFabb team's 3D printed bike weight is fully in line with the requirements of the bicycle race, and the car also has an extremely strong frame. The XT-CF20 is an Amphora 3D polymer designed for 3D printing with excellent stiffness/elongation ratio. So the development team chose to use it to print concept bikes.
“This bike experiment focused on 3D printing of features that can carry mechanical loads,†said the colorFabb team. Due to working time constraints, they did not print the entire bicycle. Instead, they chose 3D printing of various connectors and then connected them with pipes.
The colorFabb team recommends that you use optional tubing, carbon fiber, titanium, aluminum, bamboo, etc. if you want to try it yourself. Most 3D printers such as MakerBot, Ultimaker, etc. can print out the parts they need, and the colorFabb team has successfully tested 3D printed bikes with finite element analysis. Most importantly, the members of the colorFabb team have actually Riding this bike has proven its usability in the real world.
“This is a new era. From now on, everyone can 3D print their own bicycle frame at home. With just a few SOLIDWORKS skills, you can develop a customized version for your best ergonomics. Learning effect," Schürmann said. He added that many of the freely shared design files can be found in many online 3D model libraries.
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