z
1 Desktop machine , easily upgradable to do what you need to finish your project without wasting tons of space on multiple machines
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z
www.youtube.com/watch?v=OXzmvJVIWRw
early testing indicates only small units can be driven with steppers at lower speeds it seems as speed of stepper increases torque drops and would not be sufficient to run the main drive at pro hobby size
current test code running on arduino
int Distance = 0; // Record the number of steps we've taken
void setup() {
pinMode(8, OUTPUT);
pinMode(9, OUTPUT);
digitalWrite(8, LOW);
digitalWrite(9, LOW);
}
void loop() {
digitalWrite(9, HIGH);
delayMicroseconds(50);
digitalWrite(9, LOW);
delayMicroseconds(50);
Distance = Distance + 1; // record this step
// Check to see if we are at the end of our move
if (Distance == 3600)
{
// We are! Reverse direction (invert DIR signal)
if (digitalRead(8) == LOW)
{
digitalWrite(8, HIGH);
}
else
{
digitalWrite(8, LOW);
}
// Reset our distance back to zero since we're
// starting a new move
Distance = 0;
// Now pause for half a second
delay(1);
}
}
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The version I have doesn't use steppers at all, its all handcranked, the spindle is a DC motor.
A larger version would be awesome, like you say, more power, open source and extra tools....
Something like a drill press that changes to a CNC or 3d printer easily and quickly would be fantastic. You could then also incorporate the lathe to give either an extra axis or create a CNC lathe.