Jun 26, 2026News & Insights
Surface Hardening
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Surface Hardening
Laser hardening is related to surface hardening processes. Typically, the ultra-stressed areas of components made from steel or cast iron are hardened only locally, for example in tool manufacturing for vehicle body construction.
The beam structure heats and alters only the near-surface areas of a workpiece, such as the surface layer. With quenched and tempered steels, this hardening depth can be up to 1.5 mm thick. As the Nistar Variable Spot Laser Quenching Head can be directed selectively and flexibly onto the workpiece from nearly any direction and the workpiece temperature can be precisely controlled, it is possible to perform surface hardening on geometrically highly complex components. From gear wheels, sprocket wheels, camshafts, and worm shafts to gripping and cutting tools in rope drums, almost every surface geometry can be successfully hardened using Nistar Variable Spot Laser Quenching Head .
