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Geared stepper motor 1:50
€23.33
Geared stepper motor 1:50, 4Ω, 12V, 0.4Amp, 1.0Nm
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Geared stepper motor 1:50
€23.33
Información del producto
Geared stepper motor 1:50, 4Ω, 12V, 0.4Amp, 1.0Nm
The latest revision of this geared motor has arrived, with 2 steel gears!
Here are the specifications of this little motor. Can be used for direct drive extruder
click to following link to see the motor in action: http://www.youtube.com/watch?v=NYF8tm0hxXo&feature=g-upl
No Fan unit needed.
the extruder body you can find on thingiverse: http://www.thingiverse.com/thing:27675
Beaware if you set your acceleration settings of the extruder to high this can damage the gearbox.
Firmware configuration settings
Default axis steps per unit for e_steps: 1100
Default_max_feedrate for esteps: 45
Default_max_acceleration: 300
DEFAULT_RETRACT_ACCELERATION 300
#define DEFAULT_EJERK 2.0 // (mm/sec)
see below an example how i have configured my firmware.
/*******************************************************/
#define DEFAULT_AXIS_STEPS_PER_UNIT {44.1644, 44.1644, 400.8877257799672,1100} // default steps per unit for ultimaker
#define DEFAULT_MAX_FEEDRATE {500, 500, 5, 45} // (mm/sec)
#define DEFAULT_MAX_ACCELERATION {9000,9000,100,300} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for skeinforge 40+, for older versions raise them a lot.
#define DEFAULT_ACCELERATION 3000 // X, Y, Z and E max acceleration in mm/s^2 for printing moves
#define DEFAULT_RETRACT_ACCELERATION 300 // X, Y, Z and E max acceleration in mm/s^2 for r retracts
//
#define DEFAULT_XYJERK 20.0 // (mm/sec)
#define DEFAULT_ZJERK 0.4 // (mm/sec)
#define DEFAULT_EJERK 2.0 // (mm/sec)
/*******************************************************/
Here are the specs of this little motor.
| Phase | 4/2 |
| Step Angle | 7.5 degrees |
| Voltage | 12V |
| Drive Mode | 2 bi-polar |
| Current | 0.4A/Phase |
| Resistance | 4 +/- 10% ohm/phase |
| Pull in torque | 100N.cm min(100PPS) |
| Pull-in rate | 280PPS min |
| Insultaion Class | E |
| Reduction Ratio | 1:50 |
how to wire the motor can be found here:
http://2.bp.blogspot.com/-Imy1BiOvu1g/UBbEGaKY7mI/AAAAAAAACCs/3nVIPo-mIWg/s1600/motor150.gif
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