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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7
votes
1answer
3k 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
3answers
6k 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&...
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?
5
votes
1answer
959 views

Anet A8 One Z output only moves down (even on up command)

I just finished assembly of Anet A8 (Prusa i3 clone). X any Y work fine, both Z motors move down just fine, when homed. On Z-stop trigger, right Z moves up, left Z continues to try to move down. ...
6
votes
3answers
725 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 ...
2
votes
2answers
207 views

Z axis Control of Prusa i3

I have modified my Prusa i3 MK2 printer so that the existing extruder motor has now been attached to a 5mm lead screw with a 1mm pitch. What is the easiest way to control the extruding of the printer ...
3
votes
2answers
7k views

Any code to move up Z axis after finishing the printing?

Is the firts time that I saw this movement after the printing has finishig and causes the nozzle crashes to the printed part and I noticed due the part is 14x8 and the nozzle is to near and below to ...
1
vote
1answer
8k views

Z height incorrect on calibration cube

I tried to print 30mm calibration cube with my TEVO Tarantula. I found that a few bottom layers was missing as shown in picture. I noticed that a few bottom layers looks thin during printing. Anyone ...
3
votes
2answers
279 views

Quality drop in vertical axis printing

Dear experts and 3D printer users; I am a beginner in 3D printing field. I read couple of answers in forums and i cannot find exact answer to my problem. Printing quality dropped when i try to ...
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
409 views

Z axis stopped part way through print

I got an Anet A8 for Christmas. I am trying to print a calibration tower and the z axis stops lifting at approximately 100mm. I checked that the gantry is able to travel along the full length of the ...
2
votes
3answers
4k views

Z Steppers just hum, vibrate and don't move at all

As I said in the title there is some issue with my z axis steppers. They will make a humming sound and vibrate a little but won't actually spin. I'm fairly sure this is an issue with the firmware (but ...
1
vote
1answer
87 views

Z motors work synchronously ToyRep

I have a problem with Z direction. As you know it has two motors. And my problem is that one sometimes goes to the different direction (so basically one is screwing and another one unscrewing). It is ...
7
votes
1answer
3k views

Z motor not moving during auto home

My Monoprice maker select recently fried its melzi board. So I went out and purchased a ramps 1.4 kit. I've wired it all up and Flash the firmware with marlin(most recent build). When it boots up ...
3
votes
1answer
847 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 ...
9
votes
7answers
27k views

Nozzle rubs on previous layers

I'm having a frustrating problem with my recent built custom 3D printer so every single print I made, from the third layer, the nozzle is "rubbing" on the already placed filament. This ...
2
votes
2answers
224 views

Z axis not moving on Prusa i3v 8"

I have a Maker Farm Prusa i3v 8" i just finished building. Initially when i first homed it, it ran fine, it even ran a test g code for movement. The problem is now the Z axis wont move anymore. ...
5
votes
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?
3
votes
1answer
4k views

Why do I have to lower my Z axis steps per mm?

First, X and Y axis works perfectly, I measured well. I have plugged all jumpers, and use a very standard ramps 1.4 setup with standard Nema 17 200rev 1.8 motors and A4988 drivers. For Z axis, I have ...
3
votes
1answer
919 views

Z axis OK during calibration, but WAY off on prints

I have Anet A8 where I have changed the controller from the original to RAMPS 1.4 running Marlin 1.1.1 and ran into some strange issues with my Z axis. Doing calibration (10 mm cube, 10x10x20&...
4
votes
3answers
3k views

Z-axis not moving up

I'm near the end of the build of a i3 MK2 clone and have run into a problem with the Z-axis motors. Specifically, the Z-axis will move down (and trigger the endstop) but it will only make a quick ...
4
votes
2answers
978 views

Anet A8 right Z drops 2 mm during print

I've noticed that after my Anet A8 completes a print, the right hand Z mount ends up 1-2 mm lower than the left, even though I make sure both the left and right hand Z mounts of the X-axis are at ...
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 ...
3
votes
1answer
1k views

My Prusa i3's Z-axis will only go up

If I send it commands to go up, the steppers rotate things up. If I tell the Z-axis to go down, nothing happens. I inverted the Z-axis in the firmware (by setting the value to true instead of false), ...
4
votes
2answers
3k views

Assisted manual levelling with Marlin

Marlin offers a bunch of different choices for auto-levelling and assisted manual levelling for bent build plates (mesh levelling), but for the moment I want to level things completely manually. That ...
4
votes
3answers
1k views

Printer homes to Z stop-switch, but presses on heat bed during printing

I have a Prusa i3 that homes properly when you use the menu. After adjusting the bed and homing several times, it keeps the head at a reliable distance. However, when I try to print from an SD card, ...
6
votes
1answer
384 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 ...
5
votes
1answer
958 views

3d prints come up with ribbing on one side

The right side of my prints always have the standard ribbing effect given by a bent z rod, however I have replaced the rod and there was no change. Here are pictures of one of my more recent prints: ...
1
vote
3answers
584 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?
3
votes
1answer
4k views

Prusa i3 Z axis not moving up

I just got a Hictop Prusa i3 printer and I have it fully assembled. When I tested out the motors to check them the Z-axis motors were not moving and it was making a grinding sound. I have lifted the ...
5
votes
1answer
397 views

Small Z axis step: Repetier-Firmware

Z axis length for my printer equals 120 mm. When I manually pass this length, from display controller menu, it's about few millimeters. Then I set the resolution (ZAXIS_STEPS_PER_MM) at 1600 steps per ...
6
votes
2answers
197 views

Is z-axis zero near the hotend?

I'm in the process of building the D-Bot core XY printer, and I was hoping to know if the Z-axis 'zero' is near the hot end or near the bottom of the printer furthest away from the hotend? In this ...
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 ...
4
votes
1answer
3k views

Alignment of dual Z-axis steppers

My newly built ANET A8 has dual Z-axis steppers (and two threaded rods), but only an end-stop on one side. Am I missing some detail for ensuring proper alignment of Z as the extruder moves along the Z-...
6
votes
3answers
703 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 ...
7
votes
1answer
2k views

Z Axis getting stuck with Marlin 1.1.0-RC7

Background: I just successfully installed a RepRapDiscount Full Graphic Display on my Prusa i3; and in doing so, I've upgraded all of the firmware to the latest version of Marlin, 1.1.0-RC7. With my ...
3
votes
1answer
547 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 ...
6
votes
4answers
3k views

How to keep Z-axis motor from slipping when powered down

Because of the weight of my Z-axis and the relative ease of its motion, when the Z-axis motor is powered down the bed has a tendency to slip and fall down. Obviously leaving the motor powered solves ...
5
votes
1answer
453 views

Printrbot simple metal not auto leveling

I have a printrbot simple metal with the heated bed upgrade. Its been working fine until Cura updated, now, after the x,y, and z axis zeros, the print starts without moving to the other corners and ...
9
votes
3answers
2k views

Do I need to recalibrate z-probe offset every time I switch to a different layer height?

It occurs to me that I'm never really thinking about layer height when I calibrate my z-probe offset. This is obviously an oversight, because I'll want my nozzle to start higher for 0.3mm layers than ...
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 ...
10
votes
3answers
16k 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 ...
8
votes
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 ...
4
votes
1answer
1k views

Printerbot printing stringy

My Printrbot is always printing stringy, despite changing the setting on my z probe by entering command M212 Z-.1 through Z-1.5, with and without a heated bed. My prints look roughly like the one on ...
8
votes
2answers
10k 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 ...

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