Quote Originally Posted by Ger21 View Post
If your spinning the motor faster to try and get more torque, you may actually end up with even less torque.

Those huge motors usually have very little torque over 500-600rpm.
Thanks Ger. This is what has been recommended to me too. With the Acorn tuning where there are 2 parameters, it will thread OK.

My 2nd lathe has an issue with the encoder which I hope to fix today, will then test back to back and see.