Deflections of 45 to 55 mm during shock reduce the transmitted accelerations.
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 frequencies under nominal load:
– axial: 10 to 30 Hz
– radial: 15 to 40 Hz
Maximum displacement in axial shock: ± 5 mm
Temperature range: 0 to 175° C
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The main role of these mountings is to isolate vibration. A snubber system limits the movement of the suspended mass (10 mm), however the loads developed in this case, are high.
A wide load range from 5 to 320 N depending upon the application.
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The progress in motor vehicle design and increased demand for comfort both in terms of vibration and sound-proofing has resulted inincreasingly demanding specifications for suspension systems.
PAULSTRA hydraulic mountings use an elastomer support device combined with an hydraulic system. The hydraulic system acts differentially and specifically in relation to the frequency range and the type of vibrational excitation incurred.
These mountings, due to a total integration of all components, are still compatible with standard sizes and are as easy to fit as conventional 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°).

