[jkelleyrtp]

I'm curious how everybody who uses a CNC router holds down their larger sheets. We have a 24x36 on our table but the MDF spoilboard has been warping due to wd-40 spraydowns and the metal itself warps as it cuts. On lower-end machines, it causes an increases chipload and therefore lost steps. I've planed this table down several times and am considering getting into vacuum hold downs, but I hear they don't play well with coolant. What do you use?