Could you please edit your post with headings. Will be useful for people searching for right info. You can put headings by using single double or triple hashtag.
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I have only used taulman 910 because it is as rigid as PLA while being very tough. Runs about $70 per kilo from Amazon. If your printer takes 2.85mm filament it costs $60 per kilo. Other offerings from taulman are not that rigid.
Esun nylon comes recommend but I think it’s pretty bendy.
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+1 for checking rollers. Specifically the eccentric nuts (look like large hexagons between rollers). One of mine was loose and the bed would tip a half mm left to right.
@Timmy See if you can move the bed gently by hand in a direction its not meant to move.
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I discussed this in another thread but here seems more appropriate.
My company just got double billed by solidworks and aren’t happy about the lack of resolution for our licensing. We’ve been looking at other options and like OnShape the most. It’s the original creator of Solidworks and a few of the other early members’ new project after selling Solidworks off. I have a call with them Monday.
@whaddys mentioned using it and liking it. Can you or others elaborate on pros and cons? I’m coming off of a solidworks only cad history.
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How and why did that happen?
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The nozzle cleaning brush is pretty cool. Already a part of marlin.
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They say we don’t have an active license. We showed them our billing statements for our license. They said you still owe us.
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Hmm, do you think taking it to twitter will have any effect? Are they trying to find the problem or not?
Not at all. They have since then just rebilled us. I dislike their lack of support for opening sldprt files from other years versions of Solidworks. Happy to move to a similar but more open system.
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Hmm. I have heard onshape was made by the same guys who worked on solidworks before it was sold off to a french company. They might be similar?
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7 posts up you goof. That’s what started this convo haha
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Haha. Well see the French part is extra. So I did read that from somewhere else.
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Do you guys think this mount made out of PETG could last a week or two? Its 10 mm thick around the motor and 28 mm thick around the truck clamp. I’m going to make a crossbar to try to eliminate inward/outward flexing of the mount. If you guys have any design advice I would gladly accept it.
It might work mechanically if you brace it but that’s only at room temp. Motor will get hot and the plastic will melt around the screw and the motors might fall off. If you use some high temp filament it probably will work.
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@mishrasubhransu Have you played around much with annealing yet? This reminded me to ask. My initial tests raised the heat resistance of PETG to over 100 C - no part sag even in boiling water.
What process did you use to anneal PETG?
I don’t like baking prints because they loose dimensional accuracy. However what I want to do is put the part in a small tin can with refractory cement+water. And then heat it. That way the dimensions are bound to stay the same.
To clean the part, I would just drop it in water to break apart the structure.
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I heated a part for 30 minutes in a convection oven, with aluminum foil blocking direct heat from the heating elements. I tried a few temps above the glass transition point…I’ll have to find my notes.
Sitting on a shelf? Absolutely.
On a working, driving board? Absolutely not.
It’s not just the ultimate tensile strength of the material in question, it’s the rigidity and yield strength. Plastic just isn’t rigid enough to make motor mounts out of, and it yields too easily.
That’s not even taking the layer adhesion/Z axis anisotropy that is inherent in 3d printed parts.
Maybe injection-molded nylon with >30% of carbon fiber, but not 3d printed plastic.
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Onshape didn’t call us for our scheduled demo meeting this morning. That’s a great start…
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