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07-19-2015, 08:52 PM #1
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- Feb 2015
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- 371
weird calibration issues with modified Itty Bitty single extruder
I swapped out to a Itty Bitty but did not like how insanely hot it got. I thought I might have another go at it but with a different setup. I modified the design a bit and am using a 104 tooth big gear and an 18 tooth gear on the stepper. My thought was to give it more torque. It isn't getting hot but I cannot get it calibrated!
I am at 905 for steps/mm and when I call for 50mm it extrudes 45mm or so. I then raise it up to 910 and it over extrudes so I go to 908, it extrudes 45.5mm of ABS. I raise it up again and it under extrudes. I keep this up till eventually I am back at 910 and it is still under extruding!
I am chasing this number all over the place and I cannot get it to work out consistently! Am I up against a limit of the firmware?
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05-20-2024, 12:56 AM in Tips, Tricks and Tech Help