Electron beam welding of carbide inserts

Details Electron beam welding of carbide inserts Electron beam welding of carbide inserts

1977-10-21

1979-09-25

Spruill, Robert L.

Joints and connections

Molded joint

Including mechanical interlock

403271, 175410, 76108A, 219121EM, 219121LM, B23K 900, F16B 1100, B23K 3104

Patent

active

041689232

ABSTRACT:
Carbide inserts in earth boring drilling tools are attached to the tool base metal by means of one or more spike welds formed by electron beam welding. The spike weld is formed at an angle through the metal surrounding the base of the insert and into the side of the insert near its inserted end.

REFERENCES:
patent: 2579268 (1951-12-01), Malherbe
patent: 3458683 (1969-07-01), Canonico et al.
patent: 3513728 (1970-05-01), Hudson et al.
patent: 3576067 (1971-04-01), Loyd
patent: 3599737 (1971-08-01), Fischer
Electron Beam Welding Equipment: Process Parameters, Limitations, and Controls, Henry A. James, Sciaky Bros., Inc. Chicago, Illinois, Feb. 1971.

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