vibration

Vibration testing on the James Webb Space Telescope recently resumed at NASA's Goddard Space Flight Center, in Greenbelt, Maryland. 

After a significant effort as part of Work Item (WK) 67358, ASTM has updated the Air profile called upon within D-4169, Standard Practice for Performance Testing of Shipping Containers and Systems.

Continuing from Part 2 of this series...after establishing improved confidence in identifying tire effects on vehicle ride quality, I finally decided it was time to replace my tires all together.

Continuing from Part 1 of this series, intuitively, one could expect that the resonant tire frequency in the data would change with changes in vehicle speed.

When we describe transport vibration, we typically use Power Spectral Density (PSD) plots to define meaningful characteristics (frequency bandwidth, amplitude within discreet frequency bandwidth bins, and overall spectrum intensity).

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Part 1 - Before You Measure Before initiating any transport-based vibration measurements, it’s important to first establish clear expectations as to what you want to learn.

Mitigating Vibration Input with Engineered Packaging Designs If you need to move products from their point of manufacture to their end-use destinations, you can expect that they’ll be exposed to vibration input during that journey.

Natural Frequency and Resonance Products and their sub-components, as well as packaging materials and structures possess what is called natural frequency.

A helpful way to think of vibration is in terms of sound. Though the audible frequency spectrum is higher than the transport vibration spectrum - sound is vibration.

Michigan State University's College of Agriculture and Natural Resources recently published an article, featuring Dr. Laura Bix and Jiyon Lee, Ph.D. of the School of Packaging.

Interpreting captured vibration data can often be challenging, especially when acquiring simultaneous multiple degrees of freedom input.

Over four days, Atlantic hosted more than 300 visitors from the US, Canada and Mexico where they introduced equipment, technology and capability that has never existed in one location like this before.

Nasa recently performed a full-scale vibration test on the Orion Service Module.

The relaunching of America’s manned space exploration program begins here, with vibration testing at NASA’s Space Power Facility, located in Sandusky, Ohio.

After a significant effort, ASTM has updated the Truck profile called upon within D4169, Standard Practice for Performance Testing of Shipping Containers and Systems.

Lansmont is an integral part of the ASTM D4169 Task Group on Random Vibration. 

David Jin and Eric Joneson of Lansmont recently delivered market-based application presentations in China during the first two weeks of October. 

Lansmont 提供完整的交钥匙测试设备解决方案，可进行 T3（振动）、T4（冲击）、T6（撞击）和包装跌落测试，满足法规对性能和可重复性的要求。

Five Rings contacted Lansmont about using our SAVER 9X30 to record the dynamic conditions of the J32 aircraft during flight operations in order to provide actual vibration data to the imaging system manufacturer for review.