Patent ID: 9539698
Date: 2017-01-10
CPC Classifications: B24B,C21D

Claim:
1. A method of grind hardening a workpiece, comprising: securing the workpiece in a workpiece retainer, the workpiece having a work surface and sacrificial material disposed thereon; securing a grind tool in a rotatable tool retainer; rotating the grind tool in a first angular direction at a first angular speed; controlling one or more of the workpiece retainer and the tool retainer such that the grind tool engages contact with the workpiece, the grind tool removing at least a portion of the sacrificial material during the engagement; and controlling one or more of the workpiece retainer and the tool retainer such that the grind tool is guided along a grinding track defined on the work surface of the workpiece and generating substantially uniform and sufficient heat to grind harden the work surface of the workpiece.