Replicator 2x Bug in Verison 3.0.2 HBP Temperature

[ve3sjk]

There is a bug i can confirm in the current version of the software. I use a mirror plate on my Replicator 2x and require a HBP temperature of 130C if i slice an object with version 2.2.2 of the software i get the sliced temperature of 130C on my heated build plate. If i use the current version of the software it doesn't matter if i set the slicer to 130C in Simplify 3d. The resultant output file sets the replicator 2x build plate to 120C no matter what i do.

This is confirmed since i can downgrade my version of Simplify3d to version 2.2.2 and slice the exact same model with the exact same slicer settings and the correct temperature is set in the replicator 2x.

This is a big issue for me since i need the 130C temperature and can no longer use the current version of the software because of this issue.

I have attached gcode files spacer and spacer1.

spacer1.gcode is from version 2.2.2 and it properly sets my HBP to 130C
spacer.gcode is from version 3.0.2 and it improperly sets the HBP to 120C

i cannot attach the x3g files as the forum doesn't allow it.

Is anyone else seeing this behavior with the Replicator 2x

[CompoundCarl]

I dug through and reviewed the files you posted. The temperature commands in both of those files are 100% correct. I don't see any issues with them. For anyone who knows gcode, it's pretty easy to verify since there are only a dozen or so different commands that control temperatures.

So the gcode files that S3D are creating both look correct. However, it's very possible that there is a bug in the GPX utility that converts these gcode files into x3g. I'm sure there's different GPX versions in v2.2 and v3.0, so that definitely something you might want to look into. GPX is developed by a third party, but if one of them works, then you could probably just overwrite the other one.

[ve3sjk]

i saw that the gcode is correct as well but the forum doesn't allow me to post the x3g files. In the actual x3g files the temperature is not being set to 130C, how do i get the current version of the software to give me a correct x3g file or do i have to stay with the old version 2.2.2 now and not upgrade anymore.

[dkightley]

What Carl is suggesting is that you copy the gpx.exe file from your programs files folder for Simplify2.2 to the programs file for your current version.....taking a backup of the file first I might suggest....to see if that makes any difference to the files produced by the later software.

If it does make a difference, you're sorted. I would, however, either way send an email to [email protected] advising them of the issue you have identified, supplying as much info as possible, so they can query the issue with the suppliers of the utility.

For info, the version of gpx.exe supplied with v2.2.0 of S3D is 1.3, and the version supplied with v3.0.2 of S3d is v2.0.....so there has been an upgrade in the utility. Perhaps the newer version has an issue, or has changed how it works on some systems...

[CompoundCarl]

Thought I'd take a look at the GPX code to see if I could spot what might be causing this. Thankfully it was very easy to find

https://github.com/whpthomas/GPX/blob/master/gpx.h
Look at line 66

Code: Select all

#define HBP_MAX 120

There's logic that prevents the bed temp from being above the value that is defined there. Probably since that was the highest that the Rep1 and Rep2x beds could reach with their standard power supply.

So if you wanted to change that, then you will have to edit that file and recompile GPX to do so.

[dkightley]

Good one Carl.

I hadn't realised that Wingcommander wrote the utility. You learn something new every day!

[ve3sjk]

Thanks for all the info, i suspected it was a simple max setting somewhere. Not sure why it changed since the Replicator 2x with stock firmware will allow preheat of the hpb above 120C. I will grab it off of GitHub and recompile so i can stay at the latest version of Simplfy3d.