Quote Originally Posted by Hans View Post
;-) I dont !
I have got a fixed speed 220v AC motor, linked via a reduction gearbox, to the extruder.
I control the speed of the nozzle, and the layer thickness, to suit the extrution rate.
At the moment 700 mm/min with a 2mm layer height seems to work nice.
Hans
(A variable speed drive for the motor is on my wishing list!)
Nice thinking, thats not fast do, but you make up more than enough by the amount of plastic coming out! You can have a nice new pair of slippers in less than a hour ;o)