Our last article - The Influence of Gravity on 3D Printing with the FFF/FDM Technique - Reverse FDM/FFF 3D Printing #flashforge Feel free to discuss under the article. What new possibilities do you see when using reverse printing? heat convection change, another way of bonding layers? faster printing? I am curious about your opinion. Often, simple questions do not have obvious answers and require an experiment that yields an unexpected answer. Have you ever wondered what will happen if you turn 180 degrees to the commonly accepted FDM printing convention? The paper presents the verification of the possibility of using the reverse orientation of the print head in traditionally used 3D printers of FFF/FDM systems. It has been shown that the mechanical parameters of the printed object can be even higher when reverse printing is used. The presented concept opens up new possibilities of designing printers in FFF/FDM systems, which use changed heat convection and the reverse effect of gravity on the printed object. This work was carried out using the TRIZ methodology.
Article The Influence of Gravity on 3D Printing with the FFF/FDM Tec...
In reverse gravity you should get thinner lines and less overlap between different layers. If you use multiple nozzles at the same time you should be able to accurately draw the outline and volume of each without the colors mixing together.
One thing we could imagine is to use reverse FDM to make a perfect bridging machine without supports:
In reverse printing the hot filament will fall in the direction of the head. It is theoretically possible to add a cool, flat, non-adhesive substrate (yes those are harsh conditions) to maintain the filament position long enough for it to cool down and solidify. Please look at the image i included to have a better idea of what i mean.
Although the engineering side is very challenging what is your take on this idea?
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