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Re: I need help with RAMPS 1.3 July 20, 2011 10:26AM |
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Re: I need help with RAMPS 1.3 July 21, 2011 10:19AM |
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//// Calibration variables // X, Y, Z, E steps per unit - Metric Prusa Mendel with Wade extruder: //float axis_steps_per_unit[] = {80, 80, 3200/1.25,700}; // Metric Prusa Mendel with Makergear geared stepper extruder: float axis_steps_per_unit[] = {80,80,3200/1.25,1380};
//// Calibration variables
// X, Y, Z, E steps per unit - Metric Prusa Mendel with Wade extruder:
//float axis_steps_per_unit[] = {80, 80, 3200/1.25,700};
// Metric Prusa Mendel with Makergear geared stepper extruder:
float axis_steps_per_unit[] = {80,80,(3200/1.25)*2.631578947368421,1380};
//// Calibration variables
// X, Y, Z, E steps per unit - Metric Prusa Mendel with Wade extruder:
//float axis_steps_per_unit[] = {80, 80, 3200/1.25,700};
// Metric Prusa Mendel with Makergear geared stepper extruder:
float axis_steps_per_unit[] = {80 * 1.333333333333333,80,3200/1.25,1380};
float axis_steps_per_unit[] = {80,80,(3200/1.25)*2.631578947368421*0.9803921568627451,1380};
Re: I need help with RAMPS 1.3 July 21, 2011 03:42PM |
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Quote
rhmorrison
A standard Mendel has 8 teeth on the stepper motor and 21 teeth on the threaded bar.
1 rotation (360°) of the standard M8 threaded bar 1,25 mm vertical movement.
400 steps/rotation x (21/8) x (1 rotation) / (1,25 mm) = 840 steps/mm for the Z-axis!
Re: I need help with RAMPS 1.3 July 21, 2011 05:32PM |
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