Questions tagged [lead-screw]
Leadscrews are a superior replacement to threaded rods
14
questions
1
vote
2answers
84 views
3D Printed Lead Screw
I want to build a mini CNC machine and need some lead screws. I was wondering I can simply 3D print some. There are a few 3D models out there but I want to know if printing it in PLA+ has enough ...
1
vote
1answer
180 views
When to use an anti-backlash bolt for a Z drive gear?
I am building an HEVO printer with a 300x300 build plate and the project includes two T8 lead screws, lead 8 mm ("Tr8x8(p2)").
I read that such long lead may worsen backlash issues, so anti-backlash ...
0
votes
1answer
688 views
Calculating gear ratio for leadscrew
My calibration at my printer is okay. When I try to move 10 mm, it's exactly 10 mm.
But I want to know what is my precision for Z-axis.
(not posting the link of the product maybe it's not ...
4
votes
1answer
2k views
Are stepper flex couplings important? How important?
TL;DR:
On my particular printer design, it definitely appears the company switched from flex couplings to solid couplings on purpose to improve the printer, and to prevent well-meaning users from ...
3
votes
5answers
1k views
Choice of lead for lead screw
This video brought to my attention the 8 mm lead of the Ender 3's Z axis screw, which seems like an exceedingly bad choice from a standpoint of accuracy with respect to common grid alignments in the Z ...
asked Jun 19 '19 at 23:50
R.. GitHub STOP HELPING ICE
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10
votes
4answers
4k views
Are there practical reasons to NOT use a stepper motor with lead screw for the X and or Y axes?
After a few months of printing with my Prusa Mk3 (with plans to get a second one soon), I have been wondering about making my third printer a home-built one was a larger print bed than the Mk3. One ...
5
votes
1answer
8k views
Z axis: Stepper motor and lead screw torque calculation
I am trying to figure out some calculations regarding stepper motor and lead screw.
These are the things need answer:
Selection stepper motor to lift given weight?
Amount of load threaded rod can ...
5
votes
1answer
132 views
Why not use GT2 en lieu of a Z-axis threaded rod or leadscrew?
Having just re-read Tom's excellent answer to my question Advantages of GT2 over a rack, as my comment ponders1:
Why is a threaded rod, or lead screw, used for the Z-axis movement in a Prusa (and its ...
2
votes
1answer
359 views
Lead screw holder - shall I buy metal or just use a printed one?
I am on the way to building my own printer using 2020 profiles, TR8 * 500mm lead screw for the Z-axis. Still thinking if that will be a h-bot or coreXY, but this is another story.
As the printing ...
7
votes
3answers
5k views
Does anyone know the thread size (pitch and lead) of the Anet A8's lead screw?
I bought a new printer, and unfortunately the left nut for the lead screw isn't tapped.
Does anyone know the thread size, w.r.t. both pitch and lead, of the lead screws?
6
votes
3answers
708 views
Lead screws - M8 instead of M5?
I am building a Prusa i3 MK2S (Dolly). I find it very difficult to find M5 rods for the Z axis, I have an M8 lead screw with 8 mm lead, So I thought since M8 is widely available online I could ...
3
votes
1answer
213 views
What size is the lead screw
So I am fairly new to 3d Printing and have a question that is probabley stupid. I built a 3D printer kit a while back but now I want a large printer to play with. I would like to build a 300X300X400 ...
7
votes
3answers
17k views
Would using a leadscrew with 1 or 2 mm lead, en lieu of 8 mm, result in a better printer?
By "better" I mean "more precise"...
With respect to a RepRap P3Steel or Wilson II, I am getting some 330 mm T8 leadscrews for the Z-axis movement.
There seems to be a choice ...
5
votes
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 ...
