Rosta ABI
Stainless steel oscillating mounting

• Stainless steel oscillating mounting
• Loads up to 10,000 N per unit
• Natural frequencies approx. 2 – 3 Hz

Rosta ABI stainless steel oscillating mounting for free oscillating systems. The ABI oscillating unit is made from stainless steel for the food and pharmaceutical industry. The Rosta ABI oscillating units isolates the vibration and has a low residual force transmission. Rosta oscillating mountings has proven long life time. Examples of more that 20 years at 24 hours operation a day are available.

Advantages free oscillating mountings.

• Easy to install
• Maintenance free
• Low wear in operation
• Screening and separating operations at the same time

4 functions of Rosta ABI multifunctional oscillating units

• Support static load
• Forming an oscillating system in which the dynamic spring stiffness is determining the resonance drive-capacity
• Dictating the direction of oscillation
• Isolation of vibration and structure-borne noise

Rosta ABI oscillating mounting are excellent for several free oscillating systems

• One mass system circular motion screen
• One mass system linear motion screen
• Two mass system with counter frame

The maximum load per standard ABI oscillating mounting is 10,000 N, but there are other mountings up to 20,000 N per unit available.

Examples of applications are conveyers, sifting machines, etc.

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Degreasing oscillator French fries

For degreasing oscillators of French fries after the furnace, the ROSTA oscillating mountings with Rubmix 20 rubber in SS are used, especially suited for an environment with oil and higher temperatures up to 90°C. The oscillating mountings are supplied in stainless steel version. Further the ROSTA elastic suspension units are used in dewatering screens and sorting shakers.

Shaker conveyor granite with Rosta oscillating mountings

Rosta maintenance-free vibration absorbing mounts in a shaking conveyor replace the steel coil springs for the processing and storage of aggregates in the port of Amsterdam. In the old situation the steel springs in the shaking sieve often break down. The Rosta vibration absorbing mounts are maintenance-free with a very long life time (examples of over 20 years in 24-hour continuous operation).

Suitable for load supports from 50 to 60'000 N.

The great lateral stability of ROSTA oscillating mountings prevents the wobbling of the screen casing typical of helical spring mountings on passing through the resonant frequency.