The specified load in the above table is a recommendation up to which the dampening insert can be permanently subjected.
This static load equals a thrust on the area of 0,4 N/mm2, at which the dampening material reaches its optimum dynamic dampening ability. This also takes into account an additional load up to 0,6 N/mm2 in the event of a dynamic load.
Levelling feet GN 342.2 cannot be disassembled.
Tensile strength class 5.8
zinc plated, blue passivated
Sylomer SR 450-12
Operating range from -30 °C up to +70 °C
Hexagon nut ISO 4032
Steel zinc plated, blue passivated
N by compression
Filter combination produces no result.
Build & Price
Vibration absorption - Performance graph
When using levelling feet GN 342.1 / GN 342.2 the following differentiation in vibration absorption is made:
Vibrations transmitted to surroundings or associated equipment from working machinery for example.
Vibrations transmitted to equipment or parts from vibrating surroundings or bases.
The efficiency of vibration absorption is dependent upon the interference frequency of the vibration to be absorbed as well as on the resonant frequency of the dampening element itself.
A vibration absorbing effect is only achieved when the interference frequency is greater than √2-times the resonant frequency of the dampening element. The greater the difference [∆] between the two, the better the dampening effect.
The resonant frequency of the dampening pad is dependant upon type (composition) of the material cross section and the static load.
The graphs on the left show all the required data of the standard material (SR 450-12) of the dampening element. Dampening elements with other absorption properties are available on request.
Assume a load per levelling foot: 400 N
Compression levelling foot d1 = 32
400 N / 707 mm² = 0,57 N/mm²
Compression levelling foot d1 = 40
400 N / 1134 mm² = 0,34 N/mm²
Therefore levelling feet with d1=40, that exert a pressure of 0,4 N/mm² should be preferred.
The above graph shows: Resonant frequency with compression 0,34 N/mm²:17,5 Hz
The lower graph shows: Degree of isolation at 66 Hz interference frequency (P1): 92 %
Degree of isolation at 98 Hz interference frequency (P2): 97 %
At approximately 200 Hz interference frequency the degree of isolation is 100%.
Selected Part (How to order)
Weight: 0,107 kg
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This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).
Please note our quantity discounts.
With a total value (net) per order:
from 150 Euro -> 10 % discount
from 250 Euro -> 20 % discount
from 350 Euro -> 30 % discount
All prices in accordance with our price list No. 51, valid from 1 February 2018, plus VAT only valid for Germany.