I have been told by Axminster that their new 'Evolution' chuck will not detach itself from the lathe when run in reverse direction. I have asked for a left and right hand thread to be machined into the chuck body so that it can be used both on the inboard and outboard sides - i am told it does not require the two holes for the 'locking' grub screws normally found on this chuck which secure it to the headstock spindle.
I must be missing something, and can't see the logic, surely the chuck will unwind without the grub screws to secure it to the headstock shaft when the motor spins in reverse? The answer I got was that 'Jason Breach' said it wouldn't come loose, I'm sure he is right but why?
I would be very grateful if anyone could shed light on this matter.
Many thanks- Haggy