On 5/29/20 8:44 PM, Gene Heskett wrote:
In this case, openscad gives me the tools I want right now, and I could
even do a set of gears for stage 2 of the reduction since that spacing
is almost too close for a belt coupling. So by using the correct tooth
profiles it could make a very usefull gearset, no belt at all, and a
higher reduction at the same time. But would those teeth be strong
enough. Worth a try IMO. And a swarf cover from the printer should be
doable.
Strength of 3d printed parts is a deep subject. PLA if done right can
be pretty strong, but other filaments done right are stronger.
I like this video showing how a veteran at 3d printing goes about
refining his process for printing in nylon.
https://www.youtube.com/watch?v=5MFX1whwjGg
Here is a video where some guys test out different filaments on a 15
horsepower outboard motor.
https://www.youtube.com/watch?v=scUEEQyC0GI
Keep in mind, the odor will be much worse using any filament besides
PLA, and most will need a hot end that can do the higher temperatures.
Also with higher temperatures you might want to put a box around the
printer to keep drafts from messing up a print. One guy uses grow tents
around his printers.
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