Tool head for thick paints
Hello Everyone! Im thrilled join this genius community. Im currently designing a circuitry printing CNC machine for my undergrad engineering FYP. For this purpose Im trying to print using a type of...
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... if the paint has medium to high viscosity, then this would be perfect with a motor-driven syringe For low viscous fluids you have to reduce the inner diameter of the nozzle/capillary down to...
View ArticleRe: Tool head for thick paints
Thank you so much Viktor. It would be great if u can suggest me motor driven syringe extruder assembly. To name a few, bowden's, reprap universal or gregs. Which one is easier to make and precise...
View ArticleRe: Tool head for thick paints
... read through the links - there are several types and applications around: [forums.reprap.org] Here images of a type I've built some years ago: [www.reprap.org]
View ArticleRe: Tool head for thick paints
Hello Vikor, I made my own syringe extruder. Now having built that, how do I sychronize the stepper driving the syringe and the CNC axis stepper? Any tips with programming? Thank you so much, Vino
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Hi Vino, the syringe stepper is driven exactly like the extruder motor -- you only have to change/adjust the speed relation depending on your nozzle diameter or dispensing volume per X/Y-step.
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Have you considered pressurizing your paint, and delivering it via a timed injector (like a fuel injector from a car)? Speed of movement combined with the number and duration of pulses should provide...
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