1 Topic by Sim

  • Sim
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Topic: Parts printed are too small on Y axis

Hi everyone,
My friend lent me his solidoodle 3 he own for few months now and he tell me to check it to see how I could set it and solve some problems. He already did some calibration PID, E step so the 1 wall cube is ok with 0.42mm wall thickness. My extrusion multiplayer is 0.7 to achieve this.

By printing this cube, I'v found the y measurement are off (in minus) by 0.025" =0.6mm. The error is the same for 1 or 2 inch long cube so this is not a step error. I put a 1" range dial indicator on it and the backlash on belt is less than 0.1mm. Also used it while printing a 0.75inch cube and the y displacement is 0.715 (sould be 0.733). The gcode says to move 0.733.

Oh and I forgot to says I disengaged the Y belt on the opposite side of the motor but I'm printing on the moror side (x=10mm) so there is not that much flexion on the print   
Even with thoses 2 belts, the error is the same, holes are obvoiusly oval and honeycomb pattern are "not aligned"


I'm using repetier host 0.85b and slic3r 0.9.9

Y motor stay cool
x motor become pretty hot, I'm going to lower the voltage a bit!

no upgrade done yet

any idea?

2 Reply by Sim

  • Sim
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Re: Parts printed are too small on Y axis

I reinstaller the second Y belt, realigned everything and the problem persist.

I don't know what the problem is

3 Reply by Shade

  • Shade
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  • Registered: 2014-06-04
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Re: Parts printed are too small on Y axis

I am having the same problem you are and I cant find the problem. However my size difference is 1 mm.
Currently I am scaling up the prints in the y direction to compensate but it is still very inconvenient

4 Reply by pirvan

  • pirvan
  • pirvan
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Re: Parts printed are too small on Y axis

If your object is too short in one direction (either X or Y), then you need to adjust your Steps/mm values in the Firmware EEPROM.  Usually the SD is shipped with the same values for X & Y  (88), but I found that my Y dimensions were consistently short, so I needed to increase that value to 90.

In Repetier, go to the Config menu, select Firmware EEPROM Config, then change value of your "Y" setting to something higher (90-91), save to EEPROM, reload the config and try a test print.

NOTE:
You should also check your custom GCode in SLic3r Printer Settings to make sure that they don't override the EEPROM values.

To print or, 3D print, that is the question...
SD3 printer w/too many mods,  Printrbot Simple Maker Ed.,  FormLabs Form 1+
AnyCubic Photon, Shining 3D EinScan-S & Atlas 3D scanners...
...and too much time on my hands.

5 Reply by Shade

  • Shade
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Re: Parts printed are too small on Y axis

I just about solved the issue by updating slicer.

6 Reply by Sim

  • Sim
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Re: Parts printed are too small on Y axis

thanks for the reply, could you tell me wich version you're using now?