Steppers and microstepping controllers that will be used

Here are the details of the micro stepping controllers to be used on Big Bertha.

• Constant Current
• PWM Control
• 18-50V DC
• 0.54A to 4.2A/Phase (Peak) in 8 steps
• 2 to 128 Microsteps (400 to 25600 Steps/Rev) Max.
• Automatic Half Current Option
• All Logic Inputs Isolated
• Low Noise
• Low Heat Output
• Single Clock (Step/Direction) or Dual Clock (CW/CCW) Option
• Full Protection for:

• Over Voltage
• Over Current
• Wrong Phase Wiring

Here are the details of the steppers

Y and Z steppers Spec

• 10mm drive shaft
  
• 1.8 Degrees a step
  
• 311 ounce inch
  
• 2.5 Amps a phase
  
• 3 ohms a phase

X stepper spec

• 10mm drive shaft
• 1.8 Degrees a step
  
• 495 ounce inch
  
• 4.2 Amps a phase
  
• 0.8 ohms a phase