FD 70-13 Contitech Suspension Air Spring G1/4 Air Fitting Pneumatic Bellows Actuators
Cross reference
Contitech FD 70-13
Contitech FD 70 13
Contitech FD 70-13 CI
Contitech FD 70 13 CI
Contitech FD 70-13 CI G1/4
Contitech FD 70 13 CI G1/4
Specifications and Tecnical Parameters
1. Nut/blind nut Top plate screw (nut) teeth: 2 x M8X1.25
Top plate screw center distance: 44.5 mm
2. Bottom cover plate screw (nut) teeth: 2 xM8X1.25
Bottom plate screw center distance : 44.5 mm
2. Air hole/air inlet/air fitting air hole/air inlet: G1/4
Air hole place: Middle
3. Top plate diameter (width): 105 mm, bottom cover diameter (width): 105 mm bell-shaped rubber bellows rubber bellows diameter: 146 mm
4. Bumper block/bumper block without bumper
5. Belt loop/belt loop with belt loop: with one piece of belt loop
Min. pressure: 0bar
Return force to min.height: ≤200N
Overall weight with clamped plates: 1.5kg
Vibration isloation-dynamic characteristic values
Design height H: recommended 175mm, minimum 160mm
| Pressure p [bar] |
3 |
4 |
5 |
6 |
7 |
8 |
Vol. V [l] |
| Force (Load) [KN] |
1.9 |
2.5 |
3.5 |
3.8 |
4.5 |
5.2 |
1.8 |
| Spring rate [N/mm] |
46 |
59.5 |
73 |
86 |
99.5 |
112.5 |
| Natural frequency [Hz] |
2.5 |
2.5 |
2.4 |
2.4 |
2.4 |
2.4 |
Pneumatic application-static characteristic values
Force F[KN]
| Pressure p [bar] |
3 |
4 |
5 |
6 |
7 |
8 |
Vol. V [l] |
| Height H[mm] |
180 |
1.6 |
2.3 |
2.9 |
3.5 |
4.1 |
4.7 |
1.8 |
| 160 |
2.4 |
3.15 |
3.9 |
4.7 |
5.6 |
6.4 |
1.6 |
| 140 |
2.9 |
3.88 |
4.8 |
5.8 |
6.8 |
7.8 |
1.5 |
| 120 |
3.4 |
4.5 |
5.7 |
6.8 |
7.9 |
9.2 |
1.3 |
| 100 |
3.9 |
5.23 |
6.5 |
7.8 |
9.1 |
10.4 |
1.1 |
| 80 |
4.3 |
5.7 |
7.1 |
8.5 |
10 |
11.4 |
0.7 |
Anti-Resonance Application of Rubber Air Spring in Shakeout Machine
It is a convenient and reasonable method to use the clamping force (expansion force) of the air spring to control and prevent resonance, and its clamping force is superior to other anti-resonance methods, such as rubber damping blocks, steel spring dampers, etc. .
Install air springs on both sides of the body of the inertia vibration shakeout machine, and then use compressed air as the internal pressure. During normal vibration shakeout or shakeout conveying, the pressure decreases and decompresses. When the shakeout machine stops and shuts down, the internal pressure suddenly increases and maintains A certain pressure will form the expansion and clamping effect on both sides, so that the resonance phenomenon will be reduced to a minimum value until the machine stops. Similarly, when the shakeout machine is started, the internal pressure is moderately increased, and the clamping force is maintained at a small state. After a few seconds, the shakeout work tends to be normal.
The picture
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