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Faebi Rubber air springs

FAEBI – Rubber Air Spring Isolator

FAEBI – Rubber Air Spring Isolator

Product description

These pneumatic elastomeric machinery mounts provide highly, effective isolation of machinery and sub-assemblies against impact and oscillation. The bell-shaped component is made of high grade elastomer. Depending on the application, different Shore hardness grades are available. The construction allows a highly effective isolation without the disadvantage of excessive horizontal deflection. It is impossible for the element to break down as a result of overloading or a sudden drop in pressure. To reduce vertical dampening, the component is available with additional attenuation. The base plate is equipped with an anti-slip plate so there is no need to anchor the machine to the floor.

Note: For outdoor applications (e.g., isolation of a roof top air condition unit) the FAEBI® can be supplied in stainless steel and EPDM elastomer version.

Isolation against Impact and Oscillation

Depending upon the static load, the natural frequency of the elements varies between 3 – 13 Hz in vertical direction. The ratio between vertical and horizontal natural frequency is 1 – 1.5. Maximum spring deflection during impulse load is approximately 0.59″ (15 mm).

Range of Application

Excellently suited for shock isolation of high speed stamping presses, turret punching machines, forging hammers, vibration welders, shakers, engine dynamometers (Dynos) and other machines with high dynamic forces. Passive vibration isolation of measuring and testing machines as well as high precision machine tools. Systems can also be supplied with an option of electronic or mechanical level control!

Assembly

The components are bolted to the machine by means of pre-drilled holes. It is not necessary to anchor the machine to the floor. The machine is placed on deflated air springs, which are then inflated to a maximum of 73 – 87 psi (5 – 6 bar) via a standard valve. To level the machine, air can either be released or added. The maximum height adjustment available is 0.39″ (10 mm).

Control of Air Pressure

Upon request, FAEBI® rubber air springs can be equipped with an air pressure monitor. This monitor will indicate if air pressure goes below the desired value.

Faebi Natural Frequencies

Faebi Natural Frequency
Faebi Natural Frequency

Important Notice:

The rubber air spring must be chosen in such a way as not to exceed the maximum load! Inflation and deflation may be carried out under pressure only! Screw must be screwed in manually, do not use any wrench! Subject to technical changes!

Model Load capacity per air spring (lbs) Max. internal pressure (psi)
A (in)
∅ (in)
H approx. working height (in) D (in)
h (in) M
FAEBI® 50 45 – 135 43 4.33 3.15 2.36 1.38 0.20 M10
FAEBI® 75 90 – 335 43 4.53 3.82 2.56 1.69 0.20 M12
FAEBI® 100 170 – 675 73 5.31 4.65 2.56 2.36 0.20 M12
FAEBI® 125 585 – 1035 80 6.50 5.51 3.54 2.60 0.20 M16
FAEBI® 150 560 – 1800 87 7.87 6.69 3.54 3.15 0.31 M16
FAEBI® 200 1400 – 3375 87 10.24 9.29 3.54 5.12 0.31 M16
FAEBI® 300 2585 – 7650 87 14.57 13.39 3.54 7.87 0.31 M20
FAEBI® 430 6185 – 14,610 87 19.69 18.90 3.54 12.40 0.31 M20
FAEBI® 580 11,575 – 28,100 87 26.77 25.59 3.90 14.96 0.55 M24

Model Load capacity per air spring (N) Max. internal pressure (bar)
A (mm)
∅ (mm)
H approx. working height (mm) D (mm)
h (mm) M
FAEBI 50 200 – 600 3 110 80 60 35 5 M10
FAEBI 75   400 – 1 500 3 115 97 65 43 5 M12
FAEBI 100   750 – 3 000 5 135 118 65 60 5 M12
FAEBI 125 2 600 – 4 600 5.5 165 140 90 66 5 M16
FAEBI 150 2 500 – 8 000 6 200 170 90 80 8 M16
FAEBI 200   6 250 – 15 000 6 260 236 90 130 8 M16
FAEBI 300 11 500 – 34 000 6 370 340 90 200 8 M20
FAEBI 430 27 500 – 65 000 6 500 480 90 315 8 M20
FAEBI 580 51 500 – 125 000 6 680 650 99 380 14 M24


FAEBI dimensions

Can Be Used With



  • bilz-vitap-f
  • bilz-vitap-fp
  • bilz-lth-granite-table
  • bilz-lth-optical-table

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