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Extruder Callibration, finding the E mm/sec in Marlin..

Posted by Flyer

Flyer

Extruder Callibration, finding the E mm/sec in Marlin..
October 31, 2015 02:10PM

Registered: 8 years ago
Posts: 48

I've watched the video on Youtube which describes how to calculate the feedrate on my Folgertech Prusa v3. The video maker unfortunately used and LCD screen to make the adjustment. Where in Marlin can I find the default feedrate to compute the actual feedrate. I'm thinking in the config.h file, but don't know enough to go in and look without screwing things up. Thanks

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bigfilsing

Re: Extruder Callibration, finding the E mm/sec in Marlin..
October 31, 2015 02:39PM

Registered: 11 years ago
Posts: 469

yup look in config.h

look for E steps/mm

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bigfilsing

Re: Extruder Callibration, finding the E mm/sec in Marlin..
October 31, 2015 02:49PM

Registered: 11 years ago
Posts: 469

heres a sample line from a marlin config.h

#define DEFAULT_AXIS_STEPS_PER_UNIT {44.64,44.64,1280,282} // default steps per unit for ultimaker

where 44.46 = X axis
44.46 =Y axis
1280 = Z axis
282 = E steps
hope this helps

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tjnamtiw

Re: Extruder Callibration, finding the E mm/sec in Marlin..
October 31, 2015 02:50PM

Registered: 8 years ago
Posts: 541

look down toward the bottom for a line like this. The last number is your Estep. In this example, it's 99.

#define DEFAULT_AXIS_STEPS_PER_UNIT {80,80,3950,99} // default