High Deflection Mounts are named to describe the
relative deflection potential of the mount under load. High
deflection mounts are typically used for shock attenuation applications.
Although they will function as good vibration isolators, the size of the
mounts do not make them efficient for vibration isolation applications
alone. The elastomeric resilient
element is designed to buckle under load for best attenuation of shock
input energy. Many of the Barry Controls High Deflection Mounts
are designed around Mil-Specs that deal specifically with shock events
so their performance capabilities, relative to those specs, are well
known and described in the published data. This makes selection
from these mounts relatively easy in terms of what will work and what
It is important to verify if a non-snub condition or a soft snub condition exists when selecting from these mounts as a hard snub will most likely amplify the input energy causing damage to the payload. Additionally, none of these mounts are integrally fail-safe and require a Barry Controls safety strap designed for the specific mount to ensure positive capture of the payload in the unlikely event of failure of the resilient element. Some installations require an electrical grounding path across the isolator that can be accomplished with the same strap or special grounding cable (available from AEK). Barry Controls High Deflection Mounts perform best when supporting the primary static load axially through the mount.
Select from one of the High Deflection Mount Types below for more specific information.
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