Questions tagged [mechanics]
For questions that concern the mechanical parts of 3D printing such as: frames, axes, pulleys, belt tension devices, etc.
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Square gaps and overlapping grid infill artillery sidewinder x1
I'm trying to print something that's very wide and flat, like a board that covers the entire build plate (300x300) but is only 15 layers high. I've chosen grid infill and it works at the front left ...
- 151
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votes
1
answer
194
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G-code to get the 3D printer to shake resin bubbles off from a casting
While this is not directly 3D printing related, I intend to use my 3D printer (Labist's ET40) to shake air bubbles off of a resin casting.
I printed parts, made a mould of them in silicon, then cast a ...
- 65
1
vote
1
answer
364
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Cable Chain lubrication?
I recently upgraded my Ender 3 V2 to use a Micro Swiss Direct Drive and extruder. with the layout change, comes a lot of cable management changes, especially to prevent the cables from getting ...
- 111
2
votes
2
answers
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Lead screw orientation
Wouldn't it be better to mount lead screws with the motor on top and the bottom end unconstrained? Compared to the conventional way (motor on the bottom) the lead screw would be under constant tension ...
- 29
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Inconsistent layer stacking
I'm throwing this out that as a long shot, as I'm not sure if anyone can help me, but maybe there's someone out there who had a similar issue and might have successfully dealt with this before.
I'm ...
- 149
1
vote
0
answers
332
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Ender 3 - Are my 2040 Z extrusions bent?
While installing my dual Z rod kit for my Ender 3, I noticed something I had completely missed. From the looks of it, I think my Z 2040 extrusions are bent? When I look at the printer head-on at the ...
- 53
2
votes
3
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106
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Is 3D printing really just 2D printing? Because only 2 motors move per layer
I was wondering the other day why don't all three motors move at the same time? Don't normal paper printers move 2 motors at a time? they're 2D printers. It makes sense if a 3D printer really does ...
- 57
2
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2
answers
4k
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Ender 5 (Plus) - Gantry not square to frame, how to fix?
How would one go about squaring the gantry relative to the frame?
Referring to the image below, distance A and distance B are not equal.
Also would this account for the reason why when I attempt to ...
- 49
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2
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2k
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Converting / measuring bottle threads for creating an adapter to it
I'm trying to model the threads of a "Poland Spring" 500 ml bottle so I can 3D print an adapter for it. But I can't find information about it. I emailed them but they said they didn't have ...
- 201
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votes
2
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Is there a spiral lid mechanism
I want to put a spiral lid on top of a container. When the lid opens, then the spiral mechanism will rotate into the container. Is there a name for this mechanism? If not, would something like this be ...
4
votes
1
answer
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Herringbone timing belt?
I realized while playing around with 3D printed gears that it would be easy to make a 3D printed herringbone-style timing belt and matching gears/pulleys. Would such a design have any advantages over ...
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How fast can printer head move without damaging steppers?
Is there any risk of damaging stepper motors if I set too big travel speed?
What is maximum safe travel speed?
My printer is a German RepRap Neo.
I currently use 120 mm/s. Is it safe to ...
- 153
2
votes
1
answer
269
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Moving Extruder Gear Assembly
So I am getting a Creality CR-10S which has a similar print frame with a lot of other printers. Eventually I'm sure I will want to print using flexible materials, but the bowden system is not optimal ...
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7
votes
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FreeCAD to design moving parts
I am trying to create a mechanism with moving parts, and would like to see how it works (whether it even works) before printing it.
For example, there's a servo with a bracket, and I would like to ...
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What is the best method of printing joints for action figures?
I'm interested in 3D printing toy action figures, but what I don't quite know how the joints should be designed to allow flexibility.
I could imagine maybe something like a screw and nut for the ...
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