Re: [CAD_CAM_EDM_DRO] Spindle rotation

Aaron wrote:

>I am currently re-fitting a series 1 bp cnc machine and was wondering what the need was for a spindle to rotate in either direction ?
>
>

Not a whole lot. But, there is a BIG reason for the MOTOR to run in either
direction! That is that the back gear reverses spindle rotation. So,
to get
normal (CCW looking into the spindle) rotation in back gear, you need to
make the motor turn the opposite direction as it does in high speed.

Jon