Changeing speed of print live only affects perimeters, not infill

Hi,

I'm running firmware 3.1.1 b143 RC4 on my I3 MK3 and a speed change done online while printing only affects the perimeter speed, not the infill. It seems that has not change in the latest firmware 3.1.1 b150 RC5, right?

The problem is that you cannot tune the printer down to inaudible speeds (for night time printing) that way. The stealth mode helps a bit but the high infill speed just remains the same when I additionally want to use a lower speed setting.

Could you change that please (make infill speed decease like perimeter speed) or is there a reason for how speed down-tuning works right now?

Thanks!

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3 Answers

Hi Guntor,

have you tried lowering the speed in the Slic3r PE? There is a tab with all the speeds, or do you need to change the speeds on-the-fly?

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yes, I want to change the speeds on-the-fly. That's what I meant by "a speed change done online while printing". At the moment, it only affects the perimeter printing speed, not the infill. :(

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Could you respond please? I added an answer to your question quite a while ago. Thanks! :)

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Hi Guntor, I'm sorry for a late reply. I asked my colleagues from FW department and will let you know asap.

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Hi Guntor,

I've discussed this with my colleagues and here are the options:

1) Initially, the printer is printing at 100% speed, when you lower it to 50 % you are decreasing each value by 50 %. However, the initial speed of perimeters and infill is very disproportional (e.g. 45 vs 170 mm/s) and therefore lowering by 50 % does 22.5 and 85 mm/s. You have to either lower the speeds even more or proceed with the second option.

2) During the night, when printing at home I suggest pausing the print. The heatbed stays heated, but the hotend turns off and cools down. In the morning you can resume the print and the object will be still attached to the heatbed.

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Guntor H will be eternally grateful.
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