Patent ID: 11883931
Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 10:
11. A method of manufacturing a tool bit, the method comprising:
providing a piece of stock metal;
forming a drive portion in the piece of stock metal, the drive portion configured to be engaged by a tool;
forming a tip in the piece of stock metal;
forming a shank in the piece of stock metal between the tip and the drive portion; and
blasting the tip to form a compressive residual stress layer that increases a wear resistance of the tip relative to the shank;
wherein blasting the tip includes
laser blasting the tip by impacting the tip with a high-energy pulsed laser beam, or
laser ablating the tip by focusing a laser onto the tip to remove material from an irradiated zone and break down chemical bonds on a surface of the tip.