Patent ID: 7566843
Filing Date: 2009-07-28
Classification: B23H,Y10T

Abstract:
1. A method for inserting an electrode wire, the method comprising: providing at least one workpiece having an annular wall; providing a plurality of through-holes in the at least one workpiece, each of the through-holes extending completely through the annular wall; axially aligning the plurality of through-holes in the at least one workpiece; inserting a single pipe into the plurality of through-holes in the at least one workpiece; inserting the electrode wire through the single pipe; removing only the pipe from the plurality of through-holes in the at least one workpiece; and arranging a guide port of a pipe guide in a space between adjacent workpieces of a plurality of workpieces; axially aligning the guide port with the plurality of through-holes; and inserting the single pipe into the guide port.