I am in the process of figuring this out right now too. In my case o have a 14" diameter plate I need to face and machine. I have a tormach 18"x18" x 10mm aluminum palate fixture but since this part needs to be nuts-on precise, I am planning on mounting it to my 4th axis in the horizontal position. I will use the superfly to face the part by moving the 4th axis.
If you don't have a 4th, I think you need some kind of fixture plate you can flip with reference holes or pins to reference your part.
Good luck.


Quote Originally Posted by cordvision View Post
I often have to face large stock pieces that don't fit into my vice. I was wondering what method/tools you like to use to fixture large stock for facing? I would prefer being able to face the entire top surface without having to re-clamp. Also, can't put holes in the stock to screw it down.
A vacuum table would obviously be ideal for this, but i'm sure there are other alternatives.


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