Industrial Air Spring 4xM10 Screw GUOMAT NO. 3B7383-3/8 Bellow No.3B383 Natural Diameter 351mm
3B7383-3/8 Technical Parameters
Nut / Blind Nut
Top Cover Plate Screw (Nut) Tooth : 4pcsXM10
Screw Center Distance of Top Cover Plate : 140mm
Bottom Cover Plate Screw (Nut) Tooth : 4pcsXM10
Screw Center Distance of Bottom Cover Plate : 140mm
Gas Hole / Air inlet / Air Fitting
Gas Hole / Air inlet : 3/8NPT
Cover Plate
Top Cover Plate Diameter: 289 mm
Bottom Cover Plate Diameter: 289 mm
Rubber Bellows
Rubber Bellows MAX Diameter: 405 mm
Rubber Bellows Natural Diameter :353 mm
The Working Stroke : MAX 460 mm to MIN 110 mm
Maximum Height : 460 mm
Minimum Height :110 mm
Compression Height : 350 mm
Bumper block / Buffer block
Without Bumper Block
Girdle Hoop / Girdle Ring
With Girdle Hoop :Two Pieces of Girdle Hoop
Pneumatic application - static eigenvalue force F [kN]
| pressure p |
[bar] |
3 |
4 |
5 |
6 |
7 |
8 |
vol V[l] |
|
height H [mm]
|
380 |
17.7 |
23.8 |
30.0 |
36.4 |
42.9 |
49.1 |
31.0 |
| |
300 |
21.3 |
28.4 |
36.1 |
43.4 |
50.7 |
58.0 |
25.4 |
| |
220 |
24.3 |
32.3 |
40.4 |
48.5 |
56.6 |
64.6 |
19.4 |
| |
140 |
27.3 |
36.3 |
45.4 |
54.5 |
63.4 |
72.0 |
12.4 |
Application of Rubber Air Springs in the Coal Industry
Due to their own performance, air springs are mainly used in coal production equipment such as coal screeners, vibrating screens, and coal mills.
1. Application of coal screeners
Coal screeners are one of the commonly used equipment in the coal production process. They are used to grade coal and screen out coal of different particle sizes. In coal screeners, air springs can be used as the support structure of the screen surface, avoiding the wear and rust of metal parts in traditional support methods. At the same time, they can effectively absorb the vibration and impact of the screen surface and improve the screening efficiency.
2. Application of coal mills
Coal mills are essential equipment in the production process. They are mainly used to grind coal to the required particle size for subsequent coal processing. In coal mills, rubber air springs can be used to support and cushion the grinding disc, help reduce the vibration and impact of the grinding disc, and enable the equipment to operate more smoothly.
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