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Extruder Calibration Tool V2

by seaton, published

Extruder Calibration Tool V2 by seaton Jul 8, 2013
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Summary

This is the next iteration in the design of an extruder calibration tool I use to help with the calibration of the extruder on the Felix Printer. I was frustrated with inaccuracy of marking filament and trying to measure with my callipers.

Updated in this Version:

  • Fixed, the Top piece was not sitting flush with the Z axis in the original STL file, as a result unnecessary support would be printed under it.
  • Fixed, 1.75mm fiiment now presses snuggly into the top piece and differences in filament sizes should be accounted for i.e. one size fits all.
  • Redesigned in Alibre, source files added.
  • Added separate STL files for top and base.

What this thing does:

This helps by providing two flat surfaces that the vernier callipers can easily measure between. It is simple to install and remove without having to remove any filament from the extruder. Just push the filament into the top piece and start the calibration process as per normal, measuring between the top and bottom as you go.

This was designed for the Felix v2 Printer (http://www.felixprinters.com) but should work with any other model of extruder/printer.

Please let me know of anyway you see this can be improved.

Instructions

The base requires support when printing

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foolingmachine glad you worked it out :)

="thingiverse-d79aac075930c83c2f1e369a511148fe:disqus" href="http://disqus.com/thingiverse-d79aac075930c83c2f1e369a511148fe/seaton Thanks, sorry for the super n00b question. I see now that these values are stored in the Configuration.h file of the firmware (or EEPROM if the firmware supports it).

I used this to help calibrate the Extruder, Basically the procedure for calibrating the extruder is mark the filament then extruder 50mm then measure, the measurement should result in marked filament moving 50mm, if not then you need to calculate the E-Steps, change the value and then re-test. (do a google search is well documented for calibrating X-Y-Z and Extruder)

I found when doing this procedure it was hard to accurately measure on the Felix, so I designed this tool so it give a stable place to measure with callipers whilst performing the calibration procedures.

Hi, just wondering if you could describe how to use this? I just set up my 3D printer and haven't done any calibration. I'm assuming I print this out, measure with calipers and change some numbers somewhere, but I'm not sure where to do that?

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