Welding contact tip with rolled threads

Details Welding contact tip with rolled threads Welding contact tip with rolled threads

B - Operations, Transporting

23

K

B23K 9/29 (2006.01) B23K 9/12 (2006.01) B23K 9/16 (2006.01) B23K 9/26 (2006.01)

Patent

CA 2368295

A MIG welding gun contact tip has a cylindrical section with a predetermined outer diameter adjacent one end, and a frusto-conical surface adjacent the other end. Threads are rolled from the cylindrical section outer diameter between the cylindrical section and the frusto-conical surface. The threads major diameter is larger than the cylindrical section outer diameter, and the threads minor diameter is less than the cylindrical section outer diameter. In a preferred embodiment, the cylindrical section outer diameter is approximately .350 inches, the threads have a major diameter of approximately .375 inches, and the threads are stub acme threads with a pitch of 14 threads per inch. The contact tip is assembled to a diffuser having mating threads and a frusto-conical surface that engages the contact tip frusto-conical surface when the contact tip has been turned a single turn into the diffuser.

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