Questions tagged [z-axis]

Use this tag for questions related to specific movement of the Z direction of the printer - Questions about a machine or 3D model's Z-axis

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5
votes
1answer
112 views

What is this part and does it have to do with my my z-position is messed up?

I recently bought my first 3d printer, a monoprice maker select v2. After a couple of print jobs, this piece fell out. I have no idea where it came from. But afterwards, I notice that my Z-...
7
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1answer
4k views

Marlin “Tune->Bed Z” vs “Tune->Babystep Z” vs Z Offset?

What is the difference between: Tune -> Bed Z Tune -> Babystep Z Control -> Motion -> Z Offset And when are you supposed to use "Bed Z"?
3
votes
1answer
596 views

CR-10S Pro pausing and starting again

I found this question, CR-10 randomly pauses for a few seconds, that someone asked earlier. I am experiencing the exact same thing, only on a CR-10S Pro. None of the suggestions on that post helped. ...
1
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0answers
31 views

Large SLA Build Plate

So I purchased a ready-made z-axis. There are four holes for 6 mm screws. Two pairs of holes are 100 mm apart, with each pair of screw mounts 20 mm apart from each other. Basically, ...
5
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2answers
1k views

print quality: z wobble issue

Yesterday i replaced the z axis of my diy printer. Now i have some strange waves on the side of my prints. Are the threaded rods bent or could that be a vibration issue? Or is the coupler too stiff?
5
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2answers
4k views

How to calculate the proper layer height multiples?

We all know, that the best layer hight is, when you have multiples of full steps. If it is not, sometimes steps get skipped and end up bad layer-to-layer adhesion when one height step missed a tiny ...
2
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0answers
672 views

Does matching whole Z-motor steps for layer height actually matter on Ender 3?

This question asks about computing the fundamental layer height unit for full Z-motor steps, on the basis of a theory that layer thickness can be inconsistent if the height is at different micro-...
3
votes
1answer
520 views

Print bed moves way up for printing

I am new to 3D printing and I am assembling/calibrating an Ultimaker Original+ for my college. I am done with all the assembling and the printer works fine except for one thing. The print bed moves ...
5
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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 ...
5
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1answer
126 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 ...
6
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3answers
688 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 ...
0
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2answers
727 views

Printer head too low when printing

Problem My CR-10 printer seems to be trying to print the model 4 or 5 layers too low. This means that for the first few layers, the printing nozzle is forced against the bed, preventing extrusion ...
2
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1answer
2k views

Problems with Z-axis: Z-axis raised not enough at the beginning

My printer had some Z-axis issue. Here are the details: When I was printing a model, the bottom of the model got bumpy edges(as shown in pic), and the height of the model was a little bit shorter(...
3
votes
1answer
2k views

Auto home issue on ender 3

I own a Comgrow Creality Ender 3 3D Printer Aluminum DIY with Resume Print 220x220x250mm I am a newbie and last night finally got a halfway decent print, but tonight I went to Auto Home it and it ...
1
vote
3answers
559 views

Is there a problem with removing a polished rod from the Z-axis?

I recently had a problem with the z-axis of my printer. To resolve the issue with the Z axis not moving I remove the left polished rod. Am I able to use the printer with just one smooth rod?
2
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0answers
182 views

Ender 3 Z axis not working? [closed]

I recently got an Ender 3 3D printer for my birthday, and while I've had a lot of problems with it, there's one that I haven't been able to fix. I can control the Z-axis, but whenever I go to print ...
2
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0answers
769 views

Inconsistent Auto Bed Leveling - Having To Calculate Z Offset For EVERY Print

I am having a problem with my Flying Bear P902 3D printer where I have to calculate the Z offset for every single print. I calculate it using this method (and store it in EEPROM) : Link to ...
10
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3answers
14k views

What's the advantage of two z motors?

Some RepRap models use only a single motor for the Z axis, others use two. For example, there is the 3drag that has only one motor and a smooth rod on the other side. There are modifications that add ...
1
vote
1answer
87 views

Tevo tarantula Z- port burnt

I burnt the Z- port for the Z endstop. Can I use the Z+ port? I'm using Jim Brown's Marlin firmware. Any help to change that is highly appreciated. I know nothing about code. Sorry for my ignorance. ...
5
votes
1answer
7k 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 ...
3
votes
1answer
222 views

After homing all is fine, when printing the Z-axis stops advancing

My Prusa i3 has developed an issue. It homes fine and has no issues. But, when I press the print button it gives a sneeze (quick screeching noise from the Z-axis stepper motor) and start to print. ...
8
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2answers
9k views

How do I wire the z-axis motors in parallel on the Prusa i3?

There is a little circuit board, or breadboard or something in the diagram of the wiring for the i3. And it's mentioned that the z-axis motors need to be wired in parallel but beyond that they don't ...
3
votes
3answers
5k views

Which proximity sensor to use?

I am building a dolly and I am confused as to which proximity sensor to use. Should I go for M8 or M12 and 5 V or 6-36 V? What should be the best detecting distance? Should it be 2/4/8&...
3
votes
1answer
462 views

Hooking up an optocoupler in a 24V Machine, is a 2 kOhm resistor sufficient?

I am going to buy an inductive probe for my Creality Ender 3 to enable ABL (Automatic Bed Leveling). And now, I have one last question left on my mind: I am going to buy a Vishay Optokoppler ...
0
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4answers
204 views

Layer 1 won't adhere anymore

I have a new Tevo Tornado, which I have completed two good prints with, a 20x20 test cube from the supplied SD and the spool holder also from the SD. I say this to note that the printer was capable of ...
2
votes
1answer
383 views

Wrong Z-Axis movement in G-Code

Alright so I bought a broken UP mini. There was only a defect on the board so I connected the components to a Duet 2 Wifi. Everything is fully operational and I can manually move all axes correctly ...
3
votes
2answers
3k views

Homing the 3D printer

I have just built my first 3D printer, and I am having some problems. It is a Cartesian based 3D printer, using Marlin firmware and Pronterface software. My problem is homing the 3D printer. I do not ...
1
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1answer
681 views

Anet A8 & BLTouch not homing Z

I have an Anet A8 with Marlin Firmware 1.1.9 and I installed a BLTouch sensor. When I start the system the BLTouch does its self test (extend and retract the probe twice) and then lights up red. When ...
8
votes
3answers
12k views

Z-axis steppers and bed alignment problems

I've actually solved this, but I think its still a useful question which I don't think is easy to answer with existing questions. As soon as I'd built my ANET-A8 (Prusa i3 DIY kit), I found I was ...
2
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1answer
273 views

Z-axes out of sync with Simplify3D

I have a Robo 3D R1+, and I'm using the default Simplify3D profile for it. When I finish a print, I notice that my X gantry is way out of level. The right side is visibly higher than the left side. So ...
2
votes
0answers
213 views

Bed leveling compensation not working! [closed]

I have a DIY 3D printer that uses a probe as z min limit and bilinear bed leveling. The problem is that bed leveling compensation sometimes doesn't work. This is in my starting scripts in Simplify3d: ...
6
votes
2answers
6k views

Z-Axis does not appear to be working on Ender-3 Pro

So, the wife got me a Creality Ender-3 Pro 3d Printer for Christmas. Assembly was easy, axis movements are all solid... when I go to print the test-dog.gcode file provided with the machine, it comes ...
0
votes
1answer
589 views

Calibration of Z axis in Simplify 3D

I'm using Simplify3d and a DIY 3D printer. The printer works fine and I've printed very nice objects with very smooth and beautiful surfaces BUT they are twice as tall as they should be! It is like ...
1
vote
1answer
440 views

Why does my DIY printer start printing in air?

I've built a DIY 3D printer similar to Prusa i3. It does homing and bed leveling very well with a PNP Lj12a3_4_Z_BY sensor using G28 and ...
1
vote
1answer
171 views

Z Axis Cannot Move

I've got a Geeetech Pro B i3 printer (my first 3d printer) and after I've assembled it I started testing the axis. X and Y work well but Z cannot move. If I disconnect the couplings the motors move ...
0
votes
1answer
493 views

Ender 3 Nozzle does not clear bed

I have a thicker glass plate on the bed. Also, I have a z-axis offset at the maximum value 50 yet the nozzle does not clear the plate. Why can't I adjust the axis beyond 50?
3
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2answers
2k views

Z Axis inconsistency - Geeetech I3

I'm 3D printing almost 2 years, and I expected to have better result after changing to complete smooth rods with new bearings. I have a problem with my Z axis giving me inconsistent prints; I already ...
3
votes
2answers
664 views

TEVO Tarantula Z-Axis Lowering Too Far After Endstop Triggered

A z-axis homing issue is giving me an ulcer. I'm hoping someone can help with this. As per usual, after the Z endstop is triggered on my TEVO Tarantula the gantry raises a bit then slowly lowers back ...
3
votes
3answers
871 views

Ball screw: Maintaining Z axis position when motor is OFF

I'm building a 3d printer of size 500 x 500 x 500 build area. For the Z axis, I'm planning to use this Linear actuator. The maximum weight Z axis might encounter is 15 Kg due to it being a clay ...
4
votes
3answers
953 views

Weird stepper issue when setting up Marlin printer

When manually controlling the z-axis in reprap, it works fine. If I use the home button, it doesn't move. Instead, it stalls/freezes/hangs. It attempts to turn, but can't successfully make a full turn....
6
votes
1answer
469 views

Problems with Z step

Recently I bought a Prusa i3 pro W (from Geeetech) and I've been struggling with something that is ruining all my printings. I attach a photo with what was supposed to be little "boxes": As you ...
6
votes
3answers
616 views

Is cutting the arm off the Z-axis switch a good idea?

We all know (or should!) that the repeatability of common spring-arm limit switches is crappy at best. I'm looking to build & install one of the precision height adjusters for the Z-axis limit ...
6
votes
1answer
356 views

No Z hop in Dual extruder, print getting disturbed at retraction point

I'm using a Lulzbot KITTAZ with V2 Dual extruder(0.5mm). When I'm printing anything, the front left side of the print is getting disturbed because whenever the tool head switches the action between ...
4
votes
1answer
4k views

Z axis Stepper motors not working correctly

I have been searching around the internet for the last 3 days trying to figure this out. My Z axis motors for a pursa-i3 3d printer are not working correctly. I have marlin firmware and using repetier ...
3
votes
1answer
794 views

Z-axis comes down and presses the bed while printing

I am using a Prusa i3 with Marlin Firmware. All the components of my 3D printer working fine. I have a problem with my Z-axis, it comes down and get pressed by the bed. I have tried adjusting the ...
3
votes
3answers
1k views

Z-Axis doesn't work only during printing

Problem: Z-Axis doesn't work during a print. It attempts to work, maybe climbs on the Z-Axis, but screws back down. It whines, too. But, Z-Axis DOES work while not printing. It doesn't matter if ...
3
votes
1answer
354 views

How bed leveling is achieved without table screws?

I have seen printers with table screws and bed leveling sensor and printers that have only bed leveling sensor (such as Prusa). So my question is how does the bed levelling work when there is only a ...
7
votes
1answer
2k views

Full steps mode for Z axis stepper controller

I have a Cartesian style 3D printer (FLSUN Cube), with two Z-axis stepper motors (1.8°, 200 steps/revolution) with T8x8 lead screw (8mm / 2mm pitch with 4 starts), and currently they are using 1/16 ...
3
votes
1answer
837 views

Unable to install auto-bed levelling sensor into my Anet A8

I've been trying to install an inductive sensor for auto-bed levelling into my Anet A8 and I'm having a few issues. I have been using the wiring diagram provided by Solid Ground Electronics in one ...
6
votes
2answers
3k views

Prusa i3 Z axis only goes down (even on up command)

I have just finished building a Tronxy P802M Prusa i3. When I try to move the Z-axis, using the hardware buttons in the LCD menu (without a computer connected), it only goes down, when I both ...