尼龙多层织物芯输送带的规格及技术参数
织物 Fabric type | 织物构造 Fabric structure | 织物 Fabric specs | 胶布 Plythickness (mm/p) | 强度系列(N/mm) | 覆盖胶 Coverthickness | 宽度 Width mm | 带长 Length m | ||||||
经 Warp | 纬 Weft | 2层 2Ply | 3层 3Ply | 4层 4Ply | 5层 5Ply | 6层 6Ply | 上覆盖胶Upper | 下覆 Lower | |||||
尼龙 Nylon (NN) | 锦纶 Nylon (N) | 锦纶 Nylon (N) | NN-100 | 0.75 | 200 | 300 | 400 | 500 | 600 | 1.5~12 | 0~4.5 | 1600 | ≤300 |
NN-150 | 0.80 | 300 | 450 | 600 | 750 | 900 | |||||||
NN-200 | 0.90 | 400 | 600 | 800 | 1000 | 1200 | |||||||
NN-250 | 1.15 | 500 | 750 | 1000 | 1250 | 1500 | |||||||
NN-300 | 1.25 | - | 900 | 1200 | 1500 | 1800 | |||||||
NN-400 | 1.45 | - | - | 1600 | 2000 | 2400 | |||||||
NN-500 | 1.55 | - | - | 2000 | 2500 | 3000 |
粘合强度、延伸性能符合下表
带芯材料 Belt carcass | 粘合强度Adhesive strength | 延伸性能Elongation | |||
布层间 Between piles N/mm | 覆盖层与布层间N/mm Between rubber and carcass | 全厚度纵向 拉断伸长率 Longitudinal Elongation at break%≥ | 全厚度纵向 参考力伸长率 Longitudinal elongation at reference load%≤ | ||
覆盖层厚度≤1.5mm Rubber thickness≤1.5mm | 覆盖层厚度>1.5mm Rubber thickness>1.5mm | ||||
尼龙帆布 Nylon canvas | ≥4.50 | ≥3.2 | ≥3.50 | 10 | 4.0 |
胶带的覆盖层性能按下表分级
覆盖层级别 Cover grade | 拉伸强度 Tensile strength ≥ | 扯断伸长率 Elongation ≥ | 磨耗量 Abrasion ≤ | 老化后拉伸强度和扯断伸长率变化率 Change Rate of tensile strength and Elongation After aging |
Mpa | % | mm3 | % | |
H(强划裂) | 24 | 450 | 120 | -25~+25 |
D(强耐磨) | 18 | 400 | 100 | -25~+25 |
M(普通) | 15 | 350 | 200 | -25~+25 |
L(轻型) | 10 | 300 | 300 | -30~+30 |