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J.W. Winco Inc. announced it now offers series GN 353 Vibration/Shock Absorption Mounts in metric sizes. Also known as shock absorbing mounts, vibration mounts, anti-vibration mounts, vibration bobbins or rubber bumpers, these RoHS compliant components are frequently used as end-stop bumpers, e.g., for conveyor trolleys.
Vibration absorption mounts absorb most of the accumulated kinetic energy on impact. They act as dampers and prevent damaging shock and rebound. They also act as sound dampers, and can be used as leveling feet. The parabolic shape generates progressive resilience characteristics: impact and shock effects are absorbed more gently.
Types with tapped hole or with threaded stud are offered. The mount body is of natural rubber (NR), vulcanized, 55 durometer (shore hardness +/-5 degrees). Cover plate, and tapped inserts or threaded studs are molded-in zinc plated, blue passivated steel. Inch size tapped and stud versions are available upon request.
Related Glossary Terms
- hardness
hardness
Hardness is a measure of the resistance of a material to surface indentation or abrasion. There is no absolute scale for hardness. In order to express hardness quantitatively, each type of test has its own scale, which defines hardness. Indentation hardness obtained through static methods is measured by Brinell, Rockwell, Vickers and Knoop tests. Hardness without indentation is measured by a dynamic method, known as the Scleroscope test.
