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Limit the speed..

Posted by rob.thomson 
Limit the speed..
October 20, 2015 03:49PM
Hello

I have a tinyboy printer. Works very well.

What I have found is that it only prints well if I run it a tuned speed of 60%.

Recently I have just added in an oled display, so I can run everything from the sdcard. I can 'tune' the speed down to 60%, but have to do this on EVERY PRINT!.

So... I am wondering if there is a magic setting somwhere in the configuration.h file that will allow me to limit the actual speed to always be 60%?

Any thoughts?

Rob
Re: Limit the speed..
October 20, 2015 04:21PM
Take the normal printing speed in the gcode and run it at 60% of that value...
Re: Limit the speed..
October 20, 2015 04:26PM
If you are slicing your own models, adjust the slicing parameters to use lower print speeds. Otherwise, open the gcode file in an editor such as Notepad++ and insert the line M220 P60 near the start.



Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod

Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].
Re: Limit the speed..
October 20, 2015 06:43PM
Or add the M220 P60 GCode that dc42 mentioned in the starting GCode in your slicer and it will be added to all the files you slice.
Re: Limit the speed..
October 20, 2015 06:46PM
Um, why not just slice them at a speed that works properly?


Ultra MegaMax Dominator 3D printer: [drmrehorst.blogspot.com]
Re: Limit the speed..
October 21, 2015 02:05AM
Ok. Found the fix!

You can set vmax x and vmax y in the motion settings.

What was confusing me is that I assumed you needed to set these in the configuration.h file!




All works great now.

I want them set in the printer as IMHO, while you can slice with the correct setting - the printer should always know better and ensure a good print!
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