Originally Posted by Mr.Chips It looks like you plan on putting a bearing on the motor end. thisn't isn't absolutely necessary as the motor bearings can be the bearings for the motor end. You only need bearings for the other end. This simplifies things. Lot's of people use this method.
Hager |
If you plan on using the motor to handle the thrust loads, that's not really a good idea. The bearings in steppers are not designed to handle thrust loads. It will probably be OK for light work (balsa) , but for any medium to heavy work you should have thrust bearings on the screws.