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 Expert  108336

Expert in Threaded Fasteners Reliability

Available for your Consulting and Expert Witness Needs

Michigan (MI)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise: Listed with other top experts in: 
THREADED FASTENER TIGHTENING. Expert is trained in the stress and reliability disciplines of engineering. He has over 25 years of experience designing transducers, instruments, and controls for testing, measurement, and control of the threaded fastener tightening process.

THREADED FASTENER RELIABILITY. Expert understands the tightening process, loosening phenomena, and constructing practical engineering models (mathematical and graphical). These are technical areas where he has been able to assist others in their engineering designs and assembly process specifications.

THREADED FASTENER FAILURE ANALYSIS. A fastener can fail as a result of many possible singular or combined influences. Expert's experience includes failures due to metallurgical, heat-treat, fabrication/processing, installation, structural design, as well as service load and environmental influences.

MULTICOMPONENT SENSOR; MULTICOMPONENT SENSOR DESIGN. Expert has over 25 years experience in transducer design. His six component (three force, three moment) automotive and truck test wheel sensors are used by major US and European vehicle manufacturers for gathering load data and their reliability programs.

THREADED FASTENER TORQUE-TENSION TEST EQUIPMENT; THREADED FASTENER TESTING; THREADED FASTENER TESTING MACHINE; THREADED FASTENER TESTING MACHINE DESIGN. Expert has designed test equipment capable of establishing torque-tension performance standards for fasteners. The most advanced of these designs, the RS Technologies LTD 9504 system, provides direct reading of underhead and thread friction torques, as well as torque-tension coefficients. His testing laboratory has been accredited by AZLA for calibration of force and torque measurement devices.


multicomponent sensor


multicomponent sensor design


threaded fastener


threaded fastener engineering


threaded fastener failure analysis


threaded fastener reliability


threaded fastener testing


threaded fastener testing machine


threaded fastener testing machine design


threaded fastener tightening


threaded fastener torque-tension test equipment

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Detroit, Michigan;  Warren, Michigan;  Flint, Michigan;  Sterling Heights, Michigan;  Lansing, Michigan;  Ann Arbor, Michigan;  Livonia, Michigan;  Dearborn, Michigan;  Westland, Michigan;  and Toledo, Ohio.

Often requested
with this expert:

Fastener Engineering
Fasteners, Latching mechanisms, structures, aircraft...
Fastener Engineering, Fastener Failure Analysis, Fastener...
Advancing Fastening Design and Application Engineering,...

Year   Degree   Subject   Institution  
1963   BS   Mechanical Engineering   University of Michigan  

Work History:
Years   Employer   Department   Title  

1992 to





Founder, President, Technical Director


1991 to 1992




Independent Consultant


1968 to 1991


GSE, Incorporated



Founder, President, Technical Director


1965 to 1968


Eaton Corporation



Project Engineer - Stress & Reliability


1963 to 1965


United Aircraft Corporation


Structural Measurement Group


Flight Test Engineer


Career Accomplishments:

Expert is a Registered Professional Engineer, and a member of the American Society of Mechanical Engineers, ASM International, Engineering Society of Detroit, and the Society for Experimental Mechanics. He is active in the Industrial Fasteners Institute and the Bolting Technology Council, and has presented seminars and technical papers at local and national technical society meetings.

Publications and Patents Summary

Expert has been granted over 25 U.S. and international patents for transducer and instrumentation inventions.

Consulting Services:
Recent Client Requests:
  • Expert in Couplings and Threads for High Pressure Hoses.
  • Expert for consulting on UNJ threadform tensile stress area.
  • Fastening expert for consulting on Product Development.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Recent Litigation Client Requests:
  • Expert in fasteners & brackets to opine on why cable came loose from door frame.
  • Expert in fasteners for consulting on inspection of type "B" defective threads.
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

Language Skills:
Foreign Language  


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