The influence of the big sisters, the SLS and the SLA, as well as the suggestions of the visitors, made us try to solve those problems and shorten the distance between professional rapid prototyping machines and the RepRapBCN machines. None of those visitors could become users: they did expected better features.
In addition, there were serious geometric limitations, so many real-world parts couldn’t be produced. Moreover, the quality of the outcoming parts was far away from the professional technologies results. RepRapBCN in the middle of Fundacio CIM warehouse showing the RepRap Machines to visitorsīut they also saw something undesirable: Those RepRap Machines were unreliable when used intensively. They were able to see something not visible in the big rapid prototyping machines: How the part is made. When we started working in the RepRap project under the name RepRapBCN in 2011, visitors coming to Fundacio CIM were amazed by the simplicity of those little machines made with rods, bolts and nuts. This seems not to have any relation with the BCN3D Sigma but in fact is the main reason for it to exist. SLS fabrication machines in the Fundació CIM warehouse Fundació CIM offers a real experience for students coming from the university (most of them from UPC) but, more importantly, it gives the companies in Catalunya and Spain the possibility to see, learn and even order services in fabrication technologies they wouldn’t be able to afford by themselves.
One of the aims of Fundació, as a non-profit foundation, is to spread the knowledge in technology in the territory. Fundacio CIM has SLA and SLS rapid prototyping machines since late 90’s. This last entity is a long time experienced technological center located in Barcelona mainly specialized in advanced manufacturing. We wanted to give to the community an explanation of the solutions we chose, the “behind the scenes” of these solutions.īCN3D Technologies is a division that belongs to the Fundació CIM. Why did they get a dual independent extruder? Why an aluminium frame? Custom electronics?… We didn’t want to just upload a CAD file, some gerber and firmware files. Having a look on the BCN3D Sigma files, you may discover many features and design details that will create tons of questions.
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