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Will Rau

Adjusting Print Speed Percentage

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Hi there, 

 

I just got a quick question regarding UM3. During printing when I tune the speed percentage, does anyone know what print speed parameter does it change? Does it change all of the individual parameter (General Print Speed, Infill Speed, Wall Speed, Top/Bottom Speed) which I have set into the percentage I have set on the machine? Say if my setting in Cura was Print Speed 45mm/s, Infill 45mm/s, Wall 45 mm/s and Top/Bottom 35 mm/s. When I turn the knob to 70% does it change to Print Speed 31.5mm/s, Infill 31.5mm/s, Wall 31.5 mm/s and Top/Bottom 24.5 mm/s?

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Going by Cura, in its menu selections of print speeds, there is a master print speed and then several others below that. I assumed that the manual speed adjustment you mentioned worked as a multiplier for all speeds as it does in Cura.

 

I could be wrong though.

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The TUNE menu on the printer tells the firmware called "Marlin" to adjust all speeds by that amount.  So the answer is "yes".  It also affects retraction speed, z axis speeds, etc.  Each axis also has a max speed (typically 300mm/sec for x,y axes for example) and if the TUNE adjustment results in a speed over the max it will limit to the max speed instead.

 

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12 hours ago, gr5 said:

The TUNE menu on the printer tells the firmware called "Marlin" to adjust all speeds by that amount.  So the answer is "yes".  It also affects retraction speed, z axis speeds, etc.  Each axis also has a max speed (typically 300mm/sec for x,y axes for example) and if the TUNE adjustment results in a speed over the max it will limit to the max speed instead.

 

Thanks alot!! That was what I was wondering about. It can't be just adjusting a few values only under the speed section right. It should be proportionally adjusting all values based on limitation and percentage. Thanks for all the help.

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