I have started working on some new upgrades to the printrbot lately. The first thing that I worked on was stabilizing the Z axis, using both a stabilizer for the smooth rods as well as switching the mount for the lead screws to a flex shaft coupler. I am hoping that this gives more consistent results in printing. I still need to switch to better lead screws as well.
In addition to the Z axis mods I have replaced the drive belts with GT2 belts and corresponding drive gears. To accomplish this the calibration must be changed. The following must be placed in the custom gcode for slic3r.
M92 X80 ; calibrate X
M92 Y80 ; calibrate Y
I have also added max speed and acceleration code aswell. This seems very useful for printing faster and precisely.
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