Portable Friction Stir Welding Technology for Aluminum Fabrication

Award Information
Agency:
Department of Defense
Branch
Navy
Amount:
$499,967.00
Award Year:
2009
Program:
STTR
Phase:
Phase II
Contract:
N00014-09-C-0113
Award Id:
85111
Agency Tracking Number:
N074-032-0250
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
W227 N546 Westmound Drive, Waukesha, WI, 53186
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
040722295
Principal Investigator:
Christopher Smith
Vice President Engineering
(262) 522-6680
csmith@frictionstirlink.com
Business Contact:
Bill Wilcock
CEO
(713) 416-9736
bwilcock@frictionstirlink.com
Research Institute:
University of Wisconsin - Madison
Diane Barrett
323 Mechanical Engineering Bdg
1513 University Ave.
Madison WI, WI, 53705
(608) 262-3822
Nonprofit college or university
Abstract
In Phase I, technical and commercial feasibilty has been demonstrated for low force FSW processes that could be implemented onto a flexible and portable robotic system. The processes were implemented on a standard industrial robot, which could be integrated into a portable FSW system for fabrication of aluminum modules for ship superstructure. Two approaches were demonstrated, including a low force standard FSW process for welding 5xxx alloys and a self-clamping, self-reacting process. In addition, potential designs were shown that could enable FSW to be used for various assembly operations, including assembly of modules. This would allow FSW to be used throughout the shipbuilding process and not just for panel fabrication, allowing the benefits of FSW to be realized throughout the assembly process. Phase II seeks to further develop the low force processes, by continuing research and develompment to optimize the processes. Production capable processes will be developed. In addition, hardware and software development will occur to allow integration of a flexible, but yet portable robotic FSW system capable of adapting to the variation that is inherent in ship construction. A complete system will be integrated to demonstrate the ability to fabricate wide panels, attach stiffeners and girders, attach corners, and assemble panels into modules. A typical module used on a Littoral Combat Ship will be fabricated for demonstration purposes.

* information listed above is at the time of submission.

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