These sheets may be used for making grommets, washers or anti-vibration mountings for equipment.
Elastomer plates E3PEPL
VIBRACHOC has a large number of molded parts but in some cases: prototypes, unknown specifications, it is often convenient to determine the suspensions by cutting the plates into pieces and gluing them.
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The NIVOFIX mounting is an adjustable equipment foot comprising a circular disc bonded to a protected elastomer base. An adjustement screw is fitted into the assembly.
The elastomer base has anti-slip ridges.
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These parts are usually supplied in VHDS (very high density silicone) rubber and the full reference should include:
– the letter S,
– the appropriate grade which corresponds:
– to the youngs modulus of the rubber under static compression in accordance with ASTM D945 (ref. 33 to 77),
– or to the stiffness measured on a part (ref. 16 to 25).
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The EVIDGOM mounting is formed from two thick conical membranes, joined at their bases to create a highly elastic mounting.
There are three variations:
– All rubber EVIDGOM.
– EVIDGOM with bonded fixing.
– EVIDGOM with a diamond or square mounting plate (fixing plate supplied as a separate kit).
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The SANDWICH mounting comprises one or more layers of elastomer bonded to flat, parallel metallic plates. These mountings may be cylindrical or rectangular. They are designed to withstand very high compressive loads. The range of mechanical characteristics is governed by the hardness of the rubber and the number of intermediate metallic plates.
These mountings can support compression from 20 to 100 bars.
The metal plates usually receive a phosphate anti-corrosion treatment.
The elastomer is polychloroprene which provides a high resistance to atmospheric exposure.

