Casting Plates
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Test Fixtures
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FOUNDATION BLOCK
T-SLOT BASEPLATES
ANCHOR FRAME
4 POSTER TEST SYSTEM

FULL CAR TEST SYSTEM
FUNDAMENTALS
VIBRATION ISOLATORS
AIR SPRINGS
- ADVANTAGES
- SINGLE CONVOLUTION
SERIES BZ
  - ROLLING LOBE
SERIES RB
  - BELTED
  SERIES GRB
  GRB WITH DAMPER
  GRB W/ VISCO DAMPER
  SERIES SRB - SQUARE
  - MEMBRANE CONVOLUTION
 
  - MEMBRANE AIRSPRINGS
 
SERIES MAS (NEW)
STEEL SPRINGS
LEVEL CONTROL SYSTEM.
THE SOFIA PROJECT
Membrane Air Spring Type MAS

CFM Schiller developed a new membrane air spring series type MAS suited for low dynamic vibration isolation application like:

- Engine Test Beds - Measuring Machines
- Transmission Test Beds - Electron Microscopes
- Manufacturing Machines - Laser technical systems
A membrane air spring uses a defined air volume sealed with a rubber membrane. Increasing the pressure in the spring increases the force on the membrane. As soon as the force of the spring is larger than the mass it supports the mass will lift of. The membrane will have a spherical shape increasing with the pressure applied. A Level Controller regulates the height of the spring respective the membrane. The advantage of the membrane air spring is it's stiffness in horizontal direction, its adjustable air damping as well as it's attractive price.
Type

MAS
Add.
Air
Volume
Load Rating
(kN)
Operating
Height
(mm)
Min.
Height
(mm)

Piston
Diameter
(mm)

Top Cover
Diameter
(mm)
Diameter
footprint
(mm)
1st natural Frequency at 6 bar
vertical (Hz)
Spring Rate
vertical
(kN/cm)
@ 4 bar
@ 6 bar
 Do w/o Valve K with
Valve
@ 4 bar
@ 6
bar
6.7
10.04
157
153
204
204
282
173
2.41
2.34
1.67
X
6.7
10.04
307
303
204
204
282
o.r.
1.65
o.r.
o.r.
15.34
23.02
157
153
279
279
354.5
254
2.41
5.37
3.14
X
15.34
23.02
307
303
279
279
354.5
o.r.
1.65
2.43
1.63
21.4
32.1
157
153
319
319
394.5
285
2.41
7.49
5.35
X
21.4
32.1
307
303
319
319
394.5
o.r.
1.65
o.r.
o.r.
33.39
50.08
157
153
385
385
454.5
345
2.41
11.69
8.35
X
33.39
50.08
307
303
385
385
454.5
o.r.
1.65
o.r.
o.r.
(o.r. = Please contact us for the data )
Type

MAS
Add.
Air
Volume
Load Rating
(Kip)
Operating
Height
(inch)
Min.
Height
(inch)

Piston
Diameter
(inch)

Cap
Diameter
(inch)
Diameter
footprint
(inch)
1st natural Frequency at 87 psi
vertical (Hz)
Spring Rate
vertical
(kN/cm)
@ 58 psi
@ 87 psi
 Do w/o Valve K with
Valve
@ 58 psi
@ 87 psi
1.5
2.3
6.2
6.0
8.0
8.0
11.1
6.8
2.41
2.34
1.67
X
1.5
2.3
12.1
11.9
8.0
8.0
11.1
o.r.
1.65
o.r.
o.r.
3.4
5.2
6.2
6.0
11.0
11.0
13.9
10.0
2.41
5.37
3.14
X
3.4
5.2
12.1
11.9
11.0
11.0
13.9
o.r.
1.65
2.43
1.63
4.8
7.2
6.2
6.0
12.6
12.6
15.5
11.2
2.41
7.49
5.35
X
4.8
7.2
12.1
11.9
12.6
12.6
15.5
o.r.
1.65
o.r.
o.r.
7.5
11.3
6.2
6.0
15.2
15.2
17.9
13.6
2.41
11.69
8.35
X
7.5
11.3
12.1
11.9
15.2
15.2
17.9
o.r.
1.65
o.r.
o.r.
MAS Air Spring Characteristics
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_For more information: E-mail: contact@cfm-itbona.com Phone:t +1 (952) 942-6104 FAX: +1 (952) 942-6106

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