Quote Originally Posted by irving2008 View Post
Aluminium requires about 0.6W per mm3 so a 300W output motor will only acheive a removal rate of 180mm3/sec
That's the stuff dreams are made of for me, most I dare cut is around 70 and that involves a degree of tool flexing. I have really irritating software that insists on cutting outlines uphill so I have to leave a generous finishing allowance :D