Process control system for friction stir welding

Details Process control system for friction stir welding Process control system for friction stir welding

2011-08-09

2011-08-09

Stoner, Kiley (Department: 1735)

Metal fusion bonding

Process

With condition responsive, program, or timing control

C228S112100

Reexamination Certificate

active

07992761

ABSTRACT:
A process control system for a friction stir welding machine employs a master set of parameters and subroutines to control multiple machine processes, including welding, drilling, milling and probing. Sub-sets of the master set comprising command parameters, limits parameters and measurement parameters are used to control the operation of a weld tip, a clamping system and a motion head that cooperate under computer control to carry out the multiple processes.

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esp@cenet—Bibliographic data.htm. This link is to a patent describing a “Dual Arm Apparatus With Co-Axial Drive Shafts.” Two drive motors are each coupled to one of the shafts through a drive belt arrangement. This is the basic approach used by ESAB (http://www.esabcutting.com/) in their embodiment of a “bobbin tool” FSW system, where two separate motors are coupled with the drive shafts using gear-toothed belts.

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