Method of making electrical connectors

Details Method of making electrical connectors Method of making electrical connectors

1995-06-06

1997-03-18

Arbes, Carl J.

Metal working

Method of mechanical manufacture

Electrical device making

29882, 29 33M, H01R 4316

Patent

active

056111428

ABSTRACT:
Extruded conductive metal stock has a number of grooves along one long side of the sectional configuration of the stock which extend almost to the other long side. The grooves form parallel fingers. The stock is transversely cut to form machining stock blocks and the fingers become square posts projecting from a bar. The stock blocks may be cut between the posts to form smaller blocks with fewer fingers or posts. The blocks are then loaded on a machining center pallet with the fingers facing radially outwardly. The pallet is indexed through the machining center to form the square in section fingers into round posts, using a center flush hollow mill. The diameter of the mill and the spacing of the fingers is selected to avoid secondary milling. The posts are axially drilled to form a barrel wall and one or more set screw holes are drilled and tapped in the wall. If a flat pad pressure connector is formed, the posts are cut to form the pad prior to machining, and the axial drilling is omitted.

REFERENCES:
patent: 3601890 (1971-08-01), Pityo et al.
patent: 4836006 (1989-06-01), Brown
patent: 5031305 (1991-07-01), Furrer et al.
patent: 5077892 (1992-01-01), Nugent

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