Patent ID: 7627940
Filing Date: 2009-12-08
Classification: B23B,B23C,Y10T

Abstract:
1. A method of drilling a hole in a multi-layer integrated workpiece using a pre-fabricated hole through one of the layers of the workpiece, the method comprising: providing a multi-layer integrated workpiece, wherein the multi-layer integrated workpiece includes a first layer of material with a pre-fabricated through-hole and a second layer of material positioned near the first layer of material; securing an orbital drill to the first layer of material of the multi-layer integrated workpiece by receiving a bushing within the pre-fabricated through-hole such that a cutting tool of the orbital drill is positioned within the pre-fabricated through-hole of the workpiece, and the orbital drill is stationary with respect to the multi-layer integrated workpiece; and drilling a hole in the second layer of material of the multi-layer integrated workpiece using the orbital drill.