Fire Resistant Steel Cord Conveyor Belt for coal mining
Fire Resistant Steel Cord Belt, Coal Mine Steel Cord conveyor Belt, Anti-Tear Steel Cord conveyor Belt Manufacturer
- Applications
Fire resistant steel cord conveyor belt is suitable for general uses, such as coal washing plants on the ground, power plants, and non-coal mines under ground. It should meet requirements of electrical and fire safety properties.
2. Physical Properties of Rubber Cover
| Grade | Tensile Strength/Mpa ≥ | Breaking Elongation/% ≥ | Abrasion Loss/mm3 ≤ |
|---|---|---|---|
| H | 20 | 400 | 200 |
| D | 18 | 400 | 120 |
| L | 15 | 350 | 200 |
| Note:Grade H-used for highly-sharp working conditions.Grade D-used for highly-abrasive working conditions. Grade L-used for general working conditions. | |||
After-aging properties of rubber cover(70℃×7d):
Change rate of tensile strength & breaking elongation: -25%~+25%.
Adhesion
Adhesion between rubber cover and belt core: ≥12N/mm.
Adhesion of steel core (N/mm)
| Grade | Tensile Strength/Mpa ≥ | Breaking Elongation/% ≥ | Abrasion Loss/mm3 ≤ |
|---|---|---|---|
| H | 20 | 400 | 200 |
| D | 18 | 400 | 120 |
| L | 15 | 350 | 200 |
| Note:Grade H-used for highly-sharp working conditions.Grade D-used for highly-abrasive working conditions. Grade L-used for general working conditions. | |||
- Specification
Specification of steel cord conveyor belt
| Belt type | ST630 | ST800 | ST1000 | ST1250 | ST1600 | ST2000 | ST2500 | ST2800 | ST3150 | ST3500 | ST4000 | ST4500 | ST5000 | ST5400 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min. tensile strength (N/mm) | 630 | 800 | 1000 | 1250 | 1600 | 2000 | 2500 | 2800 | 3150 | 3500 | 4000 | 4500 | 5000 | 5400 |
| Max. diameter of steel cord (mm) | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 6.0 | 7.2 | 7.6 | 8.1 | 8.6 | 8.9 | 9.7 | 10.9 | 11.3 |
| Min. breaking force of steel cord (kN) | 6.93 | 8.8 | 13.2 | 16.5 | 21.12 | 26.4 | 41.25 | 45.9 | 51.98 | 57.70 | 66.00 | 79.20 | 93.50 | 101.0 |
| Steel cord pitch (mm) (±1.5) | 10 | 10 | 12 | 12 | 12 | 12 | 15 | 15 | 15 | 15 | 15 | 16 | 17 | 17 |
| Top cover thickness (mm) | 5 | 5 | 6 | 6 | 6 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8.5 | 9 |
| Bottom cover thickness (mm) | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 8 | 8 | 8 | 8 | 8.5 | 9 |
| Belt width | Number of steel cord | |||||||||||||
| 800 | 75 | 75 | 63 | 63 | 63 | 63 | 50 | 50 | 50 | 50 | ||||
| 1000 | 95 | 95 | 79 | 79 | 79 | 79 | 64 | 64 | 64 | 64 | 64 | 59 | 55 | 55 |
| 1200 | 113 | 113 | 94 | 94 | 94 | 94 | 76 | 76 | 76 | 77 | 77 | 71 | 66 | 66 |
| 1400 | 133 | 133 | 111 | 111 | 111 | 111 | 89 | 89 | 89 | 90 | 90 | 84 | 78 | 78 |
| 1600 | 151 | 151 | 126 | 126 | 126 | 126 | 101 | 101 | 101 | 104 | 104 | 96 | 90 | 90 |
| 1800 | 171 | 143 | 143 | 143 | 143 | 114 | 114 | 114 | 117 | 117 | 109 | 102 | 102 | |
| 2000 | 159 | 159 | 159 | 159 | 128 | 128 | 128 | 130 | 130 | 121 | 113 | 113 | ||
| 2200 | 176 | 176 | 176 | 176 | 141 | 141 | 141 | 144 | 144 | 134 | 125 | 125 | ||
