Patent ID: 6402438
Filing Date: 2002-06-11
Classification: B23B,B23C,B23D,B23K,B23P,C21D,C23C,Y10T

Abstract:
A composite cutting tool comprising:(a) a tool body formed from a metal having a first hardness, said body including a mounting portion and a cutting portion having one or more bonding surfaces; and (b) one or more cutters, each cutter formed from metal laser cladding having a second hardness greater than said first hardness, each cutter joined to the tool body at a bonding surface, a solidified melt pool at each bonding surface, each pool including a mixture of said tool body metal and said laser cladding metal and having a greater concentration of said tool body metal adjacent the mounting portion than away from the mounting portion, the laser cladding in each cutter including two formed surfaces intersecting at a cutting edge.