This thirty-five lesson course is for those individuals who are unable to participate in an “open” or “on-site” TTi short course. It can be substituted for Course 116 (the formal classroom version of this course), as a prerequisite for participation in our Specialist Certificate programs.
Although entitled “Fundamentals,” and extremely valuable to newcomers to the field of vibration, this course also provides an excellent formal review to experienced individuals hoping to enhance their skills and meet new challenges.
Applications Random vibration is important in many engineering applications, ranging from earthquakes to computers to ships to automobiles, trucks and military vehicles to high-performance aircraft and missiles. In most instances the service and/or the transportation environment is random. Environmental Stress Screening (ESS) of electronics production demands random vibration.
MIL-STD-810 requires military suppliers to adopt random vibration tests. The benefits, implementation and costs will be discussed. Pneumatic and mechanical random generators will be considered for environmental stress screening (ESS).
For Whom Intended Most engineers need specialized education to properly measure, quantify and analyze this generally unfamiliar environment and to reproduce it in environmental test laboratories. This course is for test laboratory managers, engineers and aides. It also helps quality and reliability specialists, designers and acquisition personnel in government and military activities and their contractors.
Instrumentation specialists who will measure transportation, service and laboratory vibration and shock need this course. Metrologists learn about calibration. Project personnel, structure and packaging engineers learn about developmental testing. Product assurance and acquisition specialists learn to evaluate test facilities, and to interpret specifications.
Before buying a new or used vibration test system, talk to TTi. Equipment manufacturers' field sales personnel may lack time to teach fundamentals. TTi training helps you to select the equipment and tests you really need.
Not affiliated with any vendor TTi sells no hardware or firmware.
Course Description Each distance learning student receives a textbook, a workbook and one videotape. The videocassette contains approximately 50 minutes of demonstrations. This series of short video clips will assist the student to better understand the subject matter. The workbook is a study guide which leads the student through a controlled sequence of short assignments: reading selections from the text, viewing videotape segments and answering review questions and problems, which illustrate important technical points and to verify student understanding.
Course Plan Students proceed at their own pace, following the Study Guide. The student studies the text, stopping as directed to view section of the videotape or to answer questions and work problems that are designed to demonstrate the student's understanding of the material presented. The student mails or faxes the completed lessons to TTi for grading. When a student shows any difficulty in understanding a topic, our instructor offers further explanation. Students are encouraged to submit questions and comments based on their own vibration work experience. Graded papers are returned by fax or mail. TTi's instructor establishes a one-to-one relationship so each student feels free to ask for additional help with difficulties.
Fees US$695. If three or more register at the same time from a single organization, deduct 10% from each fee. For overseas (outside US and Canada) orders, add 15% for supplemental shipping and videotape conversion costs. For an additional 10%, overseas lessons will be returned via fax, not airmail.
Registration Complete the on-line registration form, and submit it to TTi. Our instructor will appreciate an informal letter from or about the applicant, so he can render maximum assistance to each student. Upon acceptance, each student is promptly sent a welcome letter, as well as the course material.
Further Information You may have questions concerning precise content of the course, or concerning the suitability of a prospective student. Feel free to telephone TTi toll-free at 866-TTi-4Edu (866-884-4338) or e-mail Training@TTi4edu.com
Certificate Upon successful completion of the course, each student is awarded a certificate of completion. Completion of this course is acceptable (in place of Course No. 116) as one of the required courses in TTi's Specialist Certificate Programs.
A. The first twelve lessons introduce vibration theory with minimal mathematics, help students to understand vibratory forces and structural responses, prepare them to “speak the language of vibration,” and acquaint them with vibration measuring instruments and systems.
B. The next two lessons prepare the student to understand and perform static and dynamic calibration of equipment used for measuring vibration.
C. The next four lessons explain applications, features and limitations of mechanical, electrohydraulic and electromagnetic shakers, together with their power sources.
D. The next seven lessons prepare the student for Mil-type sinusoidal and (later) random vibration testing by introducing manual and automatic shaker controls, laboratory test practice, interpreting specifications, specifying test fixtures, etc.
E. The next six lessons cover the basic concepts of random vibration and its statistical measure (psd, rms, etc.) which are explained with high-school level mathematics. Random vibration test specifications are discussed, long with equipment for spectrum equalization and for spectrum analysis. These lessons are intended for senior technicians and engineers who specify, perform, witness and/or interpret random vibration tests or who will purchase or work with this equipment.
F. This lesson deals with the use of environmental stress screening (ESS) to identify manufacturing defects in electronics production.
G. The final three lessons introduce shock and pyro shock.
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