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David Walden

biography

I did my fair share of manual drafting as an electro-mechanical designer/drafter back in the "cold-war" days as a contractor for companies including IBM, Martin-Marietta Aerospace, Storage Technology Corp., Draper Labs, Analogic Corp. and others. I'm a relative newbie to CAD. I say "relative" because I don't consider the AutoCAD I used in the design of plastic injection mold cavities and inserts the '80s to be relevant today. I also used Ashlar Vellum for the Mac on my pet project, but haven't used it since I discovered the version which I had that worked wonderfully on my Mac II FX wouldn't run on my PowerPC G4 Mac. I have just purchased a license for Rhino5 for Windows and am hoping to find some .3dm files in here.

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work experience

DYMA Engineering, Inc. Drafter, assembler: Electro-Mechanical November 1974 - November 1975

PC board layout, assembly drawings for audio and video mixing boards and broadcast equipment.

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Electro Medical Systems Designer/Drafter: Electro-Mechanical November 1977 - September 1978

P.C. Board layout, metal casting design, back-lit panels, sheet metal chassis, silk-screen artwork originals, assembly drawings of electrosurgical generator.

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Martin Marietta Aerospace Designer/Drafter: Electro-Mechanical September 1978 - December 1978

Airborne electrical cable harness group on Space Shuttle related project. Electronic schematic and wiring diagrams. Pictorial illustration. Contract assignment. (Lehigh Design)

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Storage Technology Corp. Designer/Drafter: Electro-Mechanical February 1979 - June 1979

Computer hardware packaging, microprocessor backpanel (wire-wrap and multilayer PWB), card cages, test fixtures, perspective illustration. Contract assignment.

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IBM Corp., Office Products Division Designer/Drafter: Electro-Mechanical July 1979 - January 1980

Copier Development Optics Group on mechanisms, packaging, tolerance studies. Contract assignment. (Nelson & Johnson Engineers)

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C. S. Draper Labs, Inc Designer/Drafter: Electro-Mechanical March 1980 - May 1980

Electronics packaging of inertial measurement unit for missile guidance, layout drafting of computer system packaging. Contract assignment. (Additional Technical Support, Inc)

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Nixdorf Computer, Inc. Designer/Drafter: Electro-Mechanical June 1980 - July 1980

Production drawings of card cage for word processor system. Contract assignment. (Sullivan & Cogliano)

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Instrumentation Labs, Inc., Pixel Division Designer/Drafter: Electro-Mechanical October 1980 - November 1980

Schematic drawings for microprocessor based product. Contract assignment.

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Analogic Corp Designer/Drafter: Electro-Mechanical January 1981 - October 1981

Production and assembly drawings. Sheet metal enclosures, card cages, injection molded instrument cases, perspective illustration. Direct employment.

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Central Tool & Die Designer: Plastic injection molds November 1988 - December 1988

Used AutoCad computer software on IBM compatible computer in design of core and cavity inserts and mold bases.

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education

The engineer has yet to share the college or university graduation details.

additional

Workstation specs: Windows 7 Home Premium Service Pack 1 Gateway NV55C x64-based PC Intel(R) Pentium(R) CPU P6100 @ 2.00GHz, 1999 Mhz, 2 Core(s), 2 Logical Processor(s) Installed Physical Memory (RAM) 8.00 GB
Honors and awards:
Interests: RC Model Aircraft, VTOL

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