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Assembly and metrology of NIF target subassemblies using robotic systems

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Abstract

With European Laser Facilities such as the Extreme Light Infrastructure (ELI) and the Helmholtz International Beamline for Extreme Fields (HIBEF) scheduled to come online within the next couple of years, General Atomics, as a major supplier of targets and target components for the High Energy Density Physics community in the United States, is gearing up to meet their demand for large numbers of low cost targets. Using the production of a subassembly for the National Ignition Facility’s fusion targets as an example, we demonstrate that through automation of assembly tasks, the design of targets and their experimental setup can be fairly complex while keeping the assembly time and cost as a minimum. A six-axis Mitsubishi robot is used in combination with vision feedback and a force–torque sensor to assemble target subassemblies of different scales and designs with minimal change of tooling, allowing for design flexibility and short assembly setup times. Implementing automated measurement routines on a Nikon NEXIV microscope further reduces the effort required for target metrology, while electronic data collection and transfer complete a streamlined target production operation that can be adapted to a large variety of target designs.

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DOI:10.1017/hpl.2017.23

基金项目:This work was performed under the auspices of the U.S. Department of Energy by General Atomics under Contract DE-NA0001808 and General Atomics IR&D Funds.

收稿日期:2017-03-30

录用日期:2017-05-27

网络出版日期:2017-07-20

作者单位    点击查看

K.-J. Boehm:General Atomics, P.O. Box 85608, San Diego, CA 92186-5608, USA
N. Alexander:General Atomics, P.O. Box 85608, San Diego, CA 92186-5608, USA
J. Anderson:General Atomics, P.O. Box 85608, San Diego, CA 92186-5608, USA
L. Carlson:General Atomics, P.O. Box 85608, San Diego, CA 92186-5608, USA
M. Farrell:General Atomics, P.O. Box 85608, San Diego, CA 92186-5608, USA

联系人作者:K.-J. Boehm(boehm@fusion.gat.com)

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引用该论文

K.-J. Boehm, N. Alexander, J. Anderson, L. Carlson, and M. Farrell, "Assembly and metrology of NIF target subassemblies using robotic systems," High Power Laser Science and Engineering 5(4), e25 (2017)

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