Vibration / Isolation and Shock Absorption Mounts

Vibration / Isolation and Shock Absorption Mounts, also called rubber buffers, vibration dampers or rubber dampers are designed to prevent damage from strong vibration by absorbing kinetic energy and muffling or reducing noise. They are commonly used as end-stop buffers in transportation and automation and as buffers for elastically-bearing motors, pumps, and compressors.

Materials used for vibration mounts

Vibration mounts are always made of an elastomer element. It is made from either natural rubber (NR), acrylonitrile-butadiene rubber (NBR) or from temperature-resistant and hygienically advantageous silicone rubber. The elastomer element is connected either on one side or on both sides by a retaining washer or threaded bushings and threaded bolts with cover plate. The elastomer elements and metal parts are firmly vulcanized together.
The retaining washers, threaded bushings and threaded bolts with cover plates are made of zinc-plated steel or stainless steel.

Attaching the shock absorption mounts

The following attachment options are available for mounting the shock absorption mounts:
  • Rubber buffer with retaining washers for mounting with any bolts and nuts, in other words, for bolting through
  • Rubber buffer with threaded bushings with female thread for mounting with bolts of any clamping length
  • Rubber buffer with threaded bolts for easy mounting with nuts for shorter clamping lengths

Types of rubber buffers

Winco offers the following types of rubber dampers and elastomer buffers:
  • Cylindrical
  • Parabolic
  • Conical
  • Tapered
Cylindrical rubber dampers are extremely versatile, durable and in widespread use
Parabolic rubber dampers are the ideal impact buffer because of their special shape. The parabolic shape of these rubber buffers generates progressive spring characteristics, enabling them to very gently absorb the shock effects.
Conical rubber buffers are also extremely versatile and durable and are often used as rubber feet for devices.
Tapered rubber-metal buffers absorb side forces better compared with cylindrical rubber buffers. The rubber also does not swell past the nominal diameter under compressive loads.

Buying rubber buffers from Winco

Winco offers a wide range of different types of buffers as a standard part. They are available with internal thread or threaded stud from M3 to M16. The most common shapes are available from stock in 3 Shore hardness levels (40, 55 and 70 Shore). In addition to the black rubber buffers, Winco also offers some rubber dampers in gray as standard or on request. Discoloration through abrasion is effectively avoided with the gray buffers.

Applications include:

Filter Products
System of Measurement
Material
Thread (from - to) Thread
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Stud Length (from - to) Stud Length

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