Deflections of 45 to 55 mm during shock reduce the transmitted accelerations.
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Flexible mountings for high loads MN 45
A load range of between 30 to 1,080 kg, depending on the different configuration and shock specification.
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– Natural frequency (vertical and lateral) under nominal load: 4 to 5.5 Hz.
– Maximum displacement under shock:75 mm all in directions.
– Mechanical strength: 30 g
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The permitted deflection (40 to 50 mm) of the suspended mass in relation to the mounting base limits reaction under shock.No efficient vibration protection is offerred during shock.
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Models are available in different elastomers: silicon, fireproofed silicon, fluorosilicon or neoprene, to meet the requirements of the main aeronautics standards (FAR 25 – AIR 7304 – MIL STD 810 – C 172 C -MAR 508 s.o.).
Covering a natural frequency range of 15 to 50 Hz, their applications range from vibration isolation to shock-protection of electronic apparatus and also aircraft fuselage and helicopter cockpit mountings.
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These assemblies can withstand high compression loads (along Oz): up to1,000 tons/sq.meter.
They can absorb shear deformation (along Ox and Oy) of 50 to 100% of their height.
Cylindrical or annular type assemblies can also withstand torsional displacement around axis Oz.
In rotation around axes Oy and Ox, these mountings enable angular or low amplitude rotation errors (approximately 1°).