Hot keys to move axis

Continuing the discussion from Where is everyone from?:

Im from indiana but i have a ? For anyone to answer
So is there any way to adjust the axis on the fly while the machine is running ? Im running a project and it looks good half way through then get shallower towards the middle of the cycle and yes i did do a surface of my table lol its not much of a diff about .03 in total and was wondering if it could be done so ya dont have to reset and start over