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

Filter by
Sorted by
Tagged with
4
votes
2answers
930 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
963 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
2answers
1k views

Printer homes to z stop-switch, but presses on heatbed 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 SD card, the ...
6
votes
1answer
345 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
848 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
555 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
392 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
188 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
11k 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
582 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
497 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
423 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
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 ...
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
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 ...

1 2
3