# Z axis layer problem

Posted by sham2951
 Z axis layer problem April 11, 2016 01:59AM Registered: 5 years ago Posts: 2
I'm new on 3d printing just set up. X and Y axis went smoothly with accurate reading but my Z axis print more layers the usual size. Eg. Printing a 40mm cube for calibration, X and Z axis print correctly but the Z axis went higher than 40mm went up to 400 layers. My setting are first layer 0.1mm by 0.1mm following layers.
 Re: Z axis layer problem April 11, 2016 03:40AM Registered: 6 years ago Posts: 778
Sorry but I can't follow you here.
Do you mean the slicer produced too many layers or that the printer is printing too high?
Check the steps for the z-axis would be my first guess.
 Re: Z axis layer problem April 11, 2016 03:57AM Registered: 5 years ago Posts: 2
the slicer produce too many layers. How do i check the z-axis steps?
 Re: Z axis layer problem April 11, 2016 07:08AM Registered: 9 years ago Posts: 5,629
You said it was 40mm high and you were using 0.1 mm layers- that takes 400 layers.

If the part is taller than expected, you need to adjust the Z axis steps/mm. Here's the formula:
New steps/mm = target size / printed size * old steps/mm

In case your algebra is a little weak, do the division first, then the multiplication.

Edited 1 time(s). Last edit at 04/11/2016 07:10AM by the_digital_dentist.

Son of MegaMax 3D printer: [www.instructables.com]
Ultra MegaMax Dominator 3D printer: [drmrehorst.blogspot.com]
 Re: Z axis layer problem April 11, 2016 10:43AM Registered: 6 years ago Posts: 183
P.E.M.D.A.S, right?
Except in the UK they have B.I.M.D.A.S, but same thing.

Parenthesis / brackets
Exponents / indices
Multiplication
Division
Subtraction

Also, 0.1mm layers are a bit slow- for a 0.4mm nozzle I use 0.2 microns- 200 layers for the cube, so 2x faster.

Edited 1 time(s). Last edit at 04/11/2016 10:44AM by Montiey.

Master Tinkerer
 Re: Z axis layer problem April 11, 2016 12:16PM Registered: 9 years ago Posts: 5,629
With multiplication and division, expressions are evaluated from left to right.

Son of MegaMax 3D printer: [www.instructables.com]
Ultra MegaMax Dominator 3D printer: [drmrehorst.blogspot.com]
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