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Course Outline no. 157-3 .
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Fixture Design
for Vibration and Shock Testing

Course No. 157-3

(Course Outline shown below.)

Applications  A fixture designer must be able to design a test fixture that will transmit the intended input forces directly to the Device Under Test. To accomplish this, a designer must have specific skills as well as an understanding of vibration and shock, structures, dynamic theory, materials, fabrication and welding.

For Whom Intended  This seminar is intended for dynamics test and evaluation personnel desiring an understanding of practical approaches to the design and fabrication of test fixtures used in vibration and shock testing. Tooling Engineers responsible for fixture design need this training.

Quality Assurance and Reliability specialists will find the course useful. So will test and instrumentation specialists. The writers of specifications for environmental tests and for manufacture of fixtures will benefit from knowing of practical limitations that exist. Weapon and product designers who are seeking solutions to vibration and shock problems will also find the course helpful.

Brief Course Description  This course reviews structural design fundamentals and dynamic theory. The importance of stiffness of structures and bolted connections are emphasized. Useful data on structures, bolted connections etc., is included in the course workbook, which will be an invaluable reference tool back at the workbench.

Practical simplified designs and fabrication techniques are discussed and class projects are undertaken to design some typical fixtures.

An important area covered is that of evaluating a fixture once it is built. Only by physical measurements on a completed fixture does a designer know how well the test requirements are met, whether changes are needed and whether these changes are successful. Fixture designers who evaluate their own fixtures gain valuable insights.

Certificate Programs  This course is an elective for TTi's specialist certificate programs. It is most applicable to the Dynamic Test Specialist (DTS) certificate program.

Related Courses  The design portion of this course is available separately as TTi’s Course 310, Mechanical Design for Product Reliability, which goes into greater detail on design issues such as modal analysis, fatigue, accelerated testing and electronics chassis design. Course 157-5 combines the complete contents of course 310 with full coverage of fixture design in a 5-day format.

Prerequisites  Prior participation in TTi’s Introduction to Mechanical and Structural Theory is required. A TTi Fundamentals of Vibration course would be helpful. Participants will need first-year college mathematics (or equivalent experience) and some facility with fundamental engineering computations. Some familiarity with electrical and mechanical measurements and vibration will be helpful, as will an understanding of and familiarity with tooling and manufacturing.

Text  Each participant will receive a course workbook, including most of the viewgraphs used during the presentation.

Course Hours, Certificate and CEUs  Open courses meet seven hours per day. Upcoming presentation dates can be found on our current open course schedule. Class hours/days for on-site courses can vary from 14-35 hours over 2-5 days as requested by our clients. Upon successful course completion, each participant receives a certificate of completion and one Continuing Education Unit (CEU) for every ten class hours.


Course Outline No. 157-3

Printable (.pdf) version of course outline no. 157-3 ( Adobe Acrobat Reader required).

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