Oil platform anchoring points.
Helicopter rotor hub bearings.
Piping swivel joints.
Vibration and noise isolation systems.
Conical (fig. 1) or spherical (fig. 2) units are used to absorb very high axial loads of up to150 tons.
Angular movement around an axis (Oz in the case of the conical bearing) or a centre of rotation (O in the case of the spherical bearing) are in the order of ± 10°.
Oil platform anchoring points.
Helicopter rotor hub bearings.
Piping swivel joints.
A decoupling washer is composed of:
– 2 bonded elastomer washers
– 1 stainless steel anti-shock washer
– 1 stainless steel preload spacer
A load range of between 30 to 1,080 kg, depending on the different configuration and shock specification.
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.
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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