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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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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0answers
13 views

Springs for tensioning V rollers?

I just dealt with fixing V roller issues on my Ender 3, and got to questioning the eccentric nut setup. It's hard to get perfect tension without overtightening (possibly leading to flat spots) and ...
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2answers
44 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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1answer
512 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 ...
5
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4answers
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 ...
2
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1answer
96 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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2answers
2k 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 ...
5
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1answer
367 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 ...
6
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2answers
301 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 ...
6
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2answers
254 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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2answers
763 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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2answers
541 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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1answer
965 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 ...
2
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1answer
100 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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2answers
292 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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3answers
867 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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2answers
11k 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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3answers
3k 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 ...
8
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1answer
372 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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2answers
2k 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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3answers
1k 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 ...
8
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2answers
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 ...
23
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2answers
3k 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?