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06-28-2014, 05:13 PM #1
No Problem!!!
It looks from the printout later that everything is good... But if you attach your current Merlin_Main.cpp I'll do a quick DIFF and make sure that #endif was safe to take out.
Adding a 't' or 'T' to the G29 is helpful because you can see how flat the bed is from the Bed Height Topology map. Ideally, you should have a '0' after each decimal point. Like +0.0xxx or -0.0xxx The last line isn't supposed to be positive. I bet you are thinking about previous discussions where people's Z-Axis was going the wrong direction. The DIAGONAL of the matrix should be POSITIVE!!!!
Those are super good numbers!!! Trike is the only one with better numbers so far. You might want to use the 'L' parameter to stress the X & Y axis a little also and see if there is much additional extra slop there. Like M48 L 7 but my guess is your machine is very tight and crisp! I wish mine could do those numbers!Last edited by Roxy; 06-28-2014 at 05:15 PM.
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06-28-2014, 06:06 PM #2
- Join Date
- Jun 2014
- Posts
- 37
Yes now you've said it you're right I am thinking about the delta being positive (my maths is bad anyway so I get confused easily), I will add in a T to the G29. I am still having problems with it though, tried a print and the nozzle still just air prints. The z axis move to show its using the bed level matrix but because its so far from the bed I cant tell if its following it properly. Sorry I know this is the wrong thread for this problem so I will make a new post there with any files you want? Thank you, feel so close now!!!
Originally Posted by Roxy;Last edited by Roxy; 06-28-2014 at 06:23 PM. Reason: Fix botched Quote
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06-28-2014, 06:31 PM #3
Your code is 'safe'. But you are missing both the #ifdef and #endif in the following code snippet. Everything is fine except this code won't disappear like it should if you ever turn the Auto_Bed_Leveling off. Go ahead and post in the previous thread and we can start working on getting the Z-Axis height right. Does your Z-Probe really fire .8mm below the nozzle?
#ifdef ENABLE_AUTO_BED_LEVELING // <---<<< Missing
case 48: // M48 Z-Probe repeatability
{
#if Z_MIN_PIN == -1
#error "You must have a Z_MIN endstop in order to enable calculation of Z-Probe repeatability."
#endif
double sum=0.0;
....
Sigma_Exit:
break;
}
#endif // ENABLE_AUTO_BED_LEVELING // <---<<< Missing
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06-28-2014, 06:52 PM #4
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- Jun 2014
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- 37
ahh I wondered if adding #ifdef ENABLE_AUTO_BED_LEVELING at the beginning would help but wasnt really sure if that was missing for some reason or if the #endif somehow got pasted into the end, i'll add both of those back in now. No my probe offset is x 13 y 0 z -7.4 but it shows endstop hit between -0.4 and -0.8
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06-28-2014, 08:19 PM #5
Please explain to me how to...
Yesterday, 12:15 PM in 3D Printer Parts, Filament & Materials