Mechanical Engineer

David W. Martin

Mechanical Engineer

SUMMARY

Mechanical Engineer with proven leadership and technical skills. Motivated leader capable of identifying, organizing, and executing important tasks and projects. Energetic team builder with excellent communication skills and a reputation for being creative, effective and productive. Seeking part time position.

PUBLICATIONS (abridged) Full listing: http://tinyurl.com/ny5eot8 Mechanical design for a corrugated plate dechirper system for LCLS, M Harrison, P Frigola, DW Martin, A Murokh, M Ruelas, Z Huang; Proc. 36th Int. Free-Electron Laser Conf Sheet Beam Klystron for the Navy FEL; A Jensen, M Fazio, A Haase, E Jongewaard, D Martin, J Neilson, D Sprehn, A Vlieks; Journal of Directed Energy

Stability review of SLAC's L-band sheet beam klystron; A Jensen, C Adolphsen, K Bane, A Burke, A Haase, E Jongewaard, Z Li, D Martin, D Sprehn, G Stupakov; Vacuum Electronics Conference (IVEC), 2011 IEEE International

EXPERIENCE

Radiabeam Technologies, Santa Monica, California

Senior Mechanical Engineer, July 2014 through Present

Mechanical design engineer for the corrugated plate dechirper system for use in the Linear Coherent Light Source (LCLS) at SLAC National Accelerator Center (SLAC); a beam tuning device for the Integrateable Optics Test Accelerator (IOTA) at Fermilab. Completed thermal, stress and modal analysis for both projects using ANSYS.

Lead ANSI Y14.5 training for machinists

Primary CAE tools used: Solidworks & ANSYS

SLAC National Accelerator Center

RF Accelerator Research & Engineering Division, Menlo Park, California Design Department Supervisor, December 2005 through September 2013 Manage designers, set priorities and assign work as necessary. Provide technical engineering support and establish best practices for CAD modeling and drafting for the Klystron Department. Insure ANSI Y14.5 Geometric Dimensioning & Tolerance (GD&T) compliance. Mechanical Engineer, September 2001 through September 2013

Thermal mechanical design and analysis of the klystron cathode & electron gun assembly, as well as the gain cavity and output assemblies of an S-band (~2 GHz) continuous sheet beam klystron.

Finite Element Analysis (FEA) large deformation study to determine an optimal shape for a copper gasket in a new standard X-band (~12GHz) waveguide flange for international research facilities.

Thermal mechanical design & analysis of the cathode assembly for an L-band sheet beam klystron.

Mechanical design support for the Compton Light Source project, including brazement and weldment assemblies for RF and vacuum components as well as fixturing and custom support elements.

Thermal Analysis Plot of a Sheet Beam Klystron Electron Gun Assembly

Thermo-mechanical FEA of the output structure on a W-band (~94 GHz) klystron to improve its design. Magneto-static FEA of the permanent pole magnet structure of an X-band (~11 GHz) klystron to determine the allowable tolerance ranges for the magnets and other components.

Mechanical design, analysis, and project management support for high gradient accelerator research, high vacuum system design, and other experiments and tasks as required.

The primary CAE tools used: ANSYS for FEA and Solid Edge for CAD (Siemens).

JDS Uniphase (JDSU), Santa Clara, California

Manufacturing Project Engineer, January 2000 through August 2001 Project lead for software and automation and Manufacturing Execution System (MES) management and implementation teams. Gatekeeper/translator between engineering and MES. Production Supervisor, July 1998 through January 2000 Successfully staffed up from six operators to forty. Oversaw a 10x increase in device throughput.

Litton Electron Devices, San Carlos, California

Mechanical Engineer and Product Engineer, October 1996 through July 1998 Engineering Consultant, August 1998 through July 2000 (concurrent with position at JDSU)

Responsibilities included: Product engineer for a coupled cavity RF amplifier, mechanical design, process engineering, product improvement, thermal, electrical, stress analysis.

Primary CAE tools used: AutoCAD, PDEase (FEA)

Volunteer Engineering Service (abridged)

Infinitarium by Karen Cusolito

Provided engineering calculations to

determine wind and transport loading for

20-to-40 foot tall steel sculptures, and

mechanical design consulting to maximize

safety of structures for the artist and

viewers. Consulted on a parallel system of

propane burners at the ends of the

dandelion flower.

Pyrotechnic Ferris Wheel by Jackalope Fireworks

Provided wind loading calculations and mechanical

consulting on design and construction of the support towers, guy wires, wheel joists, and mechanical crank assembly. Assistant on-site lead for construction and troubleshooting mechanical issues.

EDUCATION

Masters of Science in Mechanical Engineering

San Jose State University

Bachelors of Science in Mechanical Engineering

California Polytechnic State University San Luis Obispo

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