CNC Machinist Calculator Ultra — because sometimes that “custom chip guard” deserves its own engineering drawing. We’ve all been there — just trying to keep the chips off the floor (and the safety guy off our back). If your Bridgeport or CNC could use a little more precision than cardboard, check out features like the Surface Finish Calculator to dial in your feed rates, the Material Removal Rate Calculator to optimize chip load, and the SFM Data for over 170 materials to keep your speeds spot o