Subscribers can view annotate, and download all of SAE's content. detail specification Per product specification standard 7. This item is part of JSTOR collection automotive products, it is important to determine the test specifications to discover defects early and improve reliability. 3. Environmental testing consist of salt and chemical spray imitating road conditions found … In distribution, packaged products are subjected to the variation in vibration levels from transport © 2006 SAE International DATASYST has the onsite capabilities and equipment to conduct vibration and mechanical testing on products and components of various sizes, weights and testing profiles from industries such as medical, automotive, telecommunications, manufacturing, electrical and military. Resistance to solvents MIL-STD-202 Method 215 Immerse into solvent for 3±0.5 minutes & brush 10 times for their cycles. This application note provides an introduction to the basic concepts of structural vibration. ... Specification fo r Measurement of Lateral Vibration on High Speed Helical and Herringbone Gear . Vibration Test Specification for Automotive Products Based on Measured Vehicle Load Data 2006-01-0729 A test load specification is required to validate an automotive product to meet the durability and design life requirements. A complete set of vibration testing system is composed of shaker, power and vibration measuring control system, in accordance with relevant national and international standards (such as: MIL-STD,DIN,ISO,ASTM,IEC,ISTA,GB,GJB,JIB、BS, etc. RDI’s Iris Platform powered by Motion Amplification ™ gives you the ability to see and confirm with accurate video based measurements if a design is working to specification instantly. Testing the product to failure will teach the company many important things about its product’s weaknesses and ways to improve it. In this work the main objective is to generate shock and vibration test specifications for telecommunication equipment in automotive environment with the use of field measurements and environmental test tailoring. In addition, the test tailoring process itself is studied. From instrument panels to seats inside the car and from air-bag sensors to fuel injection pumps in the engine compartment, many automotive components are being tested to precise vibration patterns and levels. ©2000-2020 ITHAKA. The benefits from a defined specification for a particular product, as compared with the generic ones, include avoidance of an unnecessary over-design and different failure modes from the field, and thus reduced product development cost for both OEMs and suppliers. Structural vibration testing and analysis contributes to progress in many industries, including aerospace, auto-making, manufacturing, wood and paper production, power generation, defense, consumer electronics, telecommunications and transportation. Test and Measurement. The purpose of this paper is to apply the concept of the frequency spectrum as derived from a Single Degree of Freedom (SDOF) system, establish the accelerated vibration specification, and investigate the specification under customer usage with reliability analysis. Read Online (Free) relies on page scans, which are not currently available to screen readers. The force produced by an exciter is mainly limited by the heating effect of the current. The vibration data are taken automatically for each position and the analysis . Top automotive solutions: vibration controllers, dynamic signal analyzers, acquisition systems, test rigs, engineering by m+p international. the RMS value. The specifications for the automotive headlamp SAE J575 were used, and a 1.81 g acceleration was applied for the vibration test in the frequency domain. Basic theoretical backgrounds and a set of key technologies for vibration test specification, such as the load data process in the time and frequency domains, CAE simulation, durability evaluation, damage equivalence and reliability requirement are introduced. JSTOR is part of ITHAKA, a not-for-profit organization helping the academic community use digital technologies to preserve the scholarly record and to advance research and teaching in sustainable ways. One purpose for performing a random vibration analysis is to create a component test level specification. BS EN 60068-2 IEC 60068-2-6 Vibration (sinusoidal) IEC 60068-2-27 Shock IEC 60068-57 Vibration (time history and sine-beat) 1. i.e. Vibration test facilities want to accurately test products but do so in an efficient time period. vibration testing It is generally demanded that a random Signal should contain peak-values of three times the RMS value. Request Permissions. An'l so this monograph gives the vibration testing tech-nologist a reference that systematically reviews and explains how vibration data are acquired, how the data are used in preparing specifications, how a test is conducted to satisfy specifications, and how test results are interpreted. Our testing facilities provide vibration testing for vehicles/parts manufactured by General Motors, … A test load specification is required to validate an automotive product to meet the durability and design life requirements. The automotive industry has its own set of vibration testing standards. Those two methods are Kurtosis Control and Fatigue Damage Spectrum. The measured time domain load is then processed to frequency domain test load data by using the fast Fourier transform and damage equivalent techniques. If necessary, RTS can provide a vibration profile for any equipment, by mounting accelerometers … AUTOMOTIVE PRODUCT / ENVIRONMENTAL TESTING URS lab has test facility for Vibration Testing, Safety testing of Electronic and Electric circuits, Environmental Testing, Dry Heat, Damp Heat, Thermal Shock, Ingress protection test, Surge Test, Impulse Test as per various IS/IEC standards. JSTOR®, the JSTOR logo, JPASS®, Artstor®, Reveal Digital™ and ITHAKA® are registered trademarks of ITHAKA. With a finite element model, a random vibration analysis can be performed to predict acceleration responses from 20 Hz to 2000 Hz.
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