GB/T 9770 Steel Reinforced Conveyor Belt Wire Rope Conveyor Belt For Material Transimission
Product Description:
The steel wire conveyor belt is a rubber conveyor belt with steel wire as the skeleton. The product is composed of core rubber, steel wire rope, covering layer and edges. It has the advantages of high tensile strength, good impact resistance, long service life, small elongation in use, good groove formation, and good flexibility resistance. It is suitable for conveying materials over long distances, large distances, and high speeds.
Product Parameter:
1) Wire rope conveyor belts examples of markings (implementation standards: GB/T 9770)
e.g. GB/T 9770 1400 2200 ST3150 8+8 H
GB/T 9770 ------ Standard code
1400 ------ Length (m)
2200 ------ Width (mm)
ST3150 ------ Strength specifications
8+8 ------ The thickness of the upper and lower covering glue
H ------ Covering layer performance level code
2) Steel cord conveyor belt strength specification:
| Item | St630 | St800 | St1000 | St1250 | St1600 | St2000 | St2500 | St3150 | St3500 | St4000 | St4500 | St5000 | St5400 |
|
Longitudinal tensile strength N/mm |
630 | 800 | 1000 | 1250 | 1600 | 2000 | 2500 | 3150 | 3500 | 4000 | 4500 | 5000 | 5400 |
|
Maximum nominal diameter of wire rope mm |
3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 6.0 | 7.2 | 8.1 | 8.6 | 8.9 | 9.7 | 10.9 | 11.3 |
|
Wire rope spacing mm |
10±1.5 | 10±1.5 | 12±1.5 | 12±1.5 | 12±1.5 | 12±1.5 | 15±1.5 | 15±1.5 | 15±1.5 | 15±1.5 | 16±1.5 | 17±1.5 | 17±1.5 |
|
Upper cover glue thickness mm |
5 | 5 | 6 | 6 | 6 | 8 | 8 | 8 | 8 | 8 | 8 | 8.5 | 9 |
|
Lower cover glue thickness mm |
5 | 5 | 6 | 6 | 6 | 8 | 8 | 8 | 8 | 8 | 8 | 8.5 | 9 |
3) Wire rope width specification:
|
Width mm |
Number of wire ropes | ||||||||||||
| St630 | St800 | St1000 | St1250 | St1600 | St2000 | St2500 | St3150 | St3500 | St4000 | St4500 | St5000 | St5400 | |
| 800 | 75 | 75 | 63 | 63 | 63 | 63 | 50 | 50 | 50 | ||||
| 1000 | 95 | 95 | 79 | 79 | 79 | 79 | 64 | 64 | 64 | 64 | 59 | 55 | 55 |
| 1200 | 113 | 113 | 94 | 94 | 94 | 94 | 76 | 76 | 77 | 77 | 71 | 66 | 66 |
| 1400 | 133 | 133 | 111 | 111 | 111 | 111 | 89 | 89 | 90 | 90 | 84 | 78 | 78 |
| 1600 | 151 | 151 | 126 | 126 | 126 | 126 | 101 | 101 | 104 | 104 | 96 | 90 | 90 |
| 1800 | 171 | 143 | 143 | 143 | 143 | 114 | 114 | 117 | 117 | 109 | 102 | 102 | |
| 2000 | 159 | 159 | 159 | 159 | 128 | 128 | 130 | 130 | 121 | 113 | 113 | ||
| 2200 | 176 | 141 | 141 | 144 | 144 | 134 | 125 | 125 | |||||
| 2400 | 209 | 168 | 168 | 170 | 170 | 159 | 149 | 149 | |||||
| 2600 | 194 | 194 | 171 | 161 | 161 | ||||||||
| 2800 | |||||||||||||
4) Wire rope conveyor belt covering layer performance table:
| Level code | Pull cord strength,MPa≥ | Elongation at break,%≥ | Amount of wear,mm3≤ |
| D | 18 | 400 | 90 |
| H | 25 | 450 | 120 |
| L | 20 | 400 | 150 |
| P | 14 | 350 | 200 |
| 注:D—Under strong wear working conditions；H—Under strong scratching working conditions；L—Under normal working conditions；P—Oil-resistant, heat-resistant, acid-alkali-resistant, cold-resistant and generally flame-retardant conveyor belts | |||
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