Vibrastop Transformer Bearings
Maximum isolation of vibrations and structure-borne sound
Controlling movements and subduing strains
Without the use of elastic elements between the castors and the underground the vibrations which arise during the operation of a transformer are induced into the adjacent structures. This structure-borne sound is not only unpleasant but it also damages the structure. Vibrastop transformer bearings cannot avoid the vibration of the trafo but they substantially reduce the transfer to the surrounding. The decoupling effect is based on the greatest difference between the own frequency of the smoothly placed transformer and the excitation frequency which arises from the operation of the transformer.
The stronger the deflection, the smaller the own frequency. However, in order to ensure a long life of the transformer a construction-related maximum of spring deflection should not be exceeded, for that reason a graded product range is available.
Graded product range
For transformer weights from 0.5 t up to 2.5 t distributed among 4 bearing block parts
No. 64.5002-45 Sh/A
- Applicable for transformers up to 2,5 t
- Vibration isolation up to 98,5%
- For wheel diameter 100 - 200 mm
- Maximum wheel width 55 mm
- Order unit: Set (1 Set = 4 transformer bearing blocks)
For transformer weights from 2.5 t up to 12 t distributed among 4 bearing block parts
No. 64.5003-65 Sh/A
- Application for transformers up to 12 t
- Vibration isolation up to 98.7%
- For wheel diameter 100 - 300 mm
- Maximum wheel width 82 mm
- order unit: Set (1 Set = 4 transformer bearing blocks)
For transformer weights from 12 t up to 25 t distributed among 4 bearing block parts
No. 64.5016-45 Sh/A
- Application for transformers up to 25 t
- Vibration isolation up to 99%
- For wheel diameter 100 - 350 mm
- Maximum wheel width 128 mm
- Order unit: Set (1 Set = 4 transformer bearing blocks)
For transformer weights from 25 t up to 32 t distributed among 4 bearing block parts
No. 64.5016-65 Sh/A
- Applicable for transformers up to 32 t
- Vibration isolation up to 98,56%
- For wheel diameter 100 - 350 mm
- Maximum wheel width 128 mm
- Order unit: Set (1 Set = 4 transformer bearing blocks)
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