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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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 ...
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1 vote
1 answer
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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 ...
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3 votes
2 answers
117 views

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 ...
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4 votes
0 answers
455 views

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 ...
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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 ...
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1 vote
3 answers
79 views

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 ...
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3 votes
2 answers
1k views

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 ...
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2 answers
261 views

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 ...
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  • 147
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2 answers
63 views

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 ...
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4 votes
1 answer
1k views

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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5 votes
4 answers
2k views

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 ...
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2 votes
1 answer
218 views

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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6 votes
2 answers
4k views

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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5 votes
1 answer
954 views

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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  • 153
6 votes
3 answers
600 views

Cooling fan noise when head is moving in the X axis

I have this fan model, it is a SUNON model number MF50151VX-B00U-A99 and it is a blower type. When the head is moving in the X-axis it makes noise. I think this type of fans is not suitable for ...
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6 votes
2 answers
323 views

Are 3D printed gears applicable for industrial use?

Are 3D printed gears applicable for industrial use? I want to print some gears with ABS. What will their lifespan be? How long will they last if I use them, for example, every day?
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5 votes
2 answers
1k views

3d print lean in Y-axis

I have made a custom 3d printer with ramps electronics. I have printed benchy(ship) well, but when i try to print any thing with tooth(spiral vase), gears(bearing), or circle(rocket), Y-axis skip ...
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2 answers
574 views

What are the basic requirements to make a 3d printing machine? [closed]

What are the basic necessities needed to build a 3d printing machine. Workforce Technology Money etc. I'm an undergrad and my friends and I would like to make a printer for a project. We wanted to ...
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2 votes
1 answer
1k views

P3Steel v4 w/ 20x30 cm bed, or 2.5.1 w/ 20x20

I'm building a new printer after having an Anet A8 for about two months and getting a feel for what I want. I'm planning to buy a P3Steel frame; but can't decide which version to get. There are one ...
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2 votes
1 answer
124 views

TAIG CNC - Z axis getting bound

First of all I apologize if this stack exchange site isn't the proper spot for CNC questions but I do not see any other ones that are close. If the community feels this is too far off topic then just ...
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3 votes
2 answers
310 views

Printing a non-self-aligning caged deep-groove ball bearing

I've recently designed a non-self-aligning caged deep-groove ball bearing. Now I'd love to get one 3D printed. However, assembling those can be tricky and I highly doubt it's even plausible to print ...
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3 votes
3 answers
957 views

How much work would be converting Prusa firmware/software for CNC use?

I have an option to purchase a hobby multi-purpose device (lathe/mill/drill/grinder/cutter) which is manually controlled, but easily converted for driving by stepper motors (all 3 axis are controlled ...
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16 votes
2 answers
13k views

Differences between moving build plate vs. extruder

What are the differences, and pros & cons, between 3D printers with varying layouts for moving head vs. moving build plate? Example layouts would include: X Head; YZ Bed; XY Head; Z Bed; ...
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5 votes
3 answers
5k views

How to transport a 3D printer? Dismount needed?

I need to transport my FDM 3D Printer because I am moving. What are the precautions that one should take? Should I dismount the motors and axes? I would definitively unplug the electronics as far as ...
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8 votes
1 answer
404 views

How does Carbon3D's CLIP technology handle bridges and support material?

All of Carbon3D's marketing and demonstrations show their CLIP technology producing contiguous and bridge-free parts. Has anyone seen examples of their M1 printing something like a buckyball within a ...
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  • 363
4 votes
3 answers
3k views

Is there a lubricant that can be used for linear bearings, bronze sinter bushings and threaded rods alike?

My printer will feature LM8UU bearings/threaded rods for the z-axis and bronze sinter bushings on the x- and y-Axis. As also, but not only, written here http://reprap.org/wiki/Lubrication, I know ...
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5 votes
3 answers
2k views

Is there a reason for the z-axis M5 drive nut to be super loose on the lead screw?

So I bought a prusa i3 kit from a company called folger tech off of ebay. I've built it and even printed out a few parts, but I noticed that a lot of noise seemed to be happening only while the x-axis ...
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8 votes
2 answers
3k views

z-axis hard to move in some areas - what could be faults, how to improve?

I have a z-axis which follows schematically the same principle as the makerbot one's (threaded rod and two leading rods with linear ball bearings carrying a level). It is from an old experimental lab ...
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24 votes
2 answers
5k views

Do stepper motors require any maintenance?

I've had my printer for almost a year now. Is there something I should be doing to maintain the motors?
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