b'Steel Beams Shine is that its a thermal process thatthermal process, he said, adding produces a heat-affected zone inthat some in the industry are taking which the heat produced by lasera second look at lasers for applica-quadrillionth of a secondused tocutting changes the properties oftions in which the amount of heat machine small features. the material. Thompson said thisimparted to material may not pose If youre going to a femto, Os- has caused some industries to shya fatigue threat.tini said, youre looking at fiveaway from lasers. Although in most cases lasers cut times the cost of an EDM machine. For the longest time, aerospacedifferent alloys and grades of material Another laser-cutting drawbackhadcompletelywrittenoffanyboth quickly and with good quality Trumpfs technology enables selective cooling of a workpiece during laser cutting. The purpose is to improve process reliability and allow new geometries when a laser cuts thick mild steel.18OCTOBER 2022 LaserMachining.indd 18 9/19/22 11:36 AM'