vibration protection Archives - Sierra Cases

Protecting Electronics from Vibration (Part 2)

Sierra Cases — Wed, 06 May 2015 19:10:10 +0000

A transit case uses isolating mounts to protect electronic payloads from vibration. These mounts are chosen with a natural frequency of vibration significantly different from the expected excitation frequency. This helps ensure the minimum of vibration is transmitted to the payload. However, there are challenges: Often the excitation frequency is either not known or a […]

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Protecting the Payload from Vibration (Part 1)

Sierra Cases — Wed, 15 Apr 2015 20:38:10 +0000

Vibration is bad for electronic devices such as radio transmitters and computers. Screws can work loose and cards and cables can come unplugged. As a result, equipment is sometimes inoperable after a long journey. Fortunately, that kind of damage is usually easily repaired, unlike the harm caused by resonance. Excitation at the natural frequency Like […]

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Aluminum Cases for Rough Shipping and Handling

Sierra Cases — Wed, 13 Aug 2014 14:00:34 +0000

There are several exceptional benefits of aluminum cases, including protecting sensitive equipment during transportation. Fragile contents need protection from vibration and shock, and aluminum cases are great for dampening impacts and oscillations. A properly designed aluminum case or enclosure solves the problem of rough handling and shipping of fragile equipment at far less cost than […]

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An Overview of Foam Materials

Greg Hamlen — Wed, 21 May 2014 18:50:13 +0000

In my last two postings I reviewed equipment fragility and the influence of handling and transport on packaging design. The most common approach to protecting equipment within a carrying case, transit case or shipping case is to use foam cushioning. In this posting, I’ll provide an overview of foam materials. Foam Material Types Foam cushioning […]

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How Transit Cases Protect Electronics from Vibration

Sierra Cases — Wed, 31 Jul 2013 18:15:36 +0000

Boats, trucks, trains and planes can be bad for electronic equipment. The constant vibration is the problem. Vibration damages boards and components, which causes premature failure. It’s why mission-critical equipment should be protected in a high-quality transit case engineered to absorb the shaking. A vibration is an oscillation about a fixed point. It's a back […]

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