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电缆支架所具备的优势这里说的详细 The advanta

2018/04/14  浏览次数:

  电缆支架所具备的优势这里说的详细

  基本性能:

  1. 强度高,可设计性好

  连续纤维增强热固性复合材料主要由起增强作用的玻璃纤维和起粘结作用,传递载荷作用的热固性树脂组成。玻璃纤维的拉伸强度很高(3450mpa),其含量,长度,铺设形式决定电缆支架制品的强度。 热固性的玻璃纤维增强复合材料强度可以在30-1000mpa范围。因此,我们根据产品的受力情况,产量,生产工艺,价格承受能力来设计玻璃纤维的用量,长度和铺设形式。

  2.不蠕变

  连续纤维增强热固性复合材料支架的刚性比美国某公司生产的纤维增强增强尼龙支架增加一倍。即使在长期负载下也不变形,也不会出现像某些城市地铁使用的金属制电缆支架那样往下倾斜。

  3.防火

  氧指数是评价电缆放火产品重要的检测手段。 氧指数是指在大氧气条件下,防火产品耐烧的特性。在工程中使用应根据燃烧强度确定。例如,在30根电缆的条件下,如发生电缆引燃事故,在4min以内即可形成500度以上高温热聚集,从而导致电缆沿走向进行延燃。电缆密集处的电缆越多,可燃体质量越大。在30根电缆时,单位长度可燃体质量为20.5kg/m,现在以300根电缆计算,单位长度可燃体质量为158kg/m,按大可能产生燃烧强度计算,氧指数要不小于65%。我们认为,产品防火标准中氧指数定在70%比较合适。

  根据使用要求我们研制的复合材料电缆支架的氧指数大于等于70%。符合防火低烟,无卤,无毒的安全要求。防火性能以高于台湾“地下铁路用玻璃纤维塑胶电缆槽板技术规范(氧指数为52%),也比美国某公司的增强热塑性支架高的多。本指标已不低于经英国BS认证的香港地铁启用新车辆使用的复合材料防火标准的指标。

  4.耐腐蚀

  连续纤维增强热固性复合材料支架耐腐蚀,尤其适合在潮湿,盐雾,酸和弱碱环境使用。

  5.电缘性

  缘性能可以根据使用要求调整。

  a) 电缘型,缘电阻大于1000GΩ;

  b) 抗静电型,表面电阻小于10GΩ。

  6.使用方便

  通过产品预埋安装直接砌入墙体,定位准确牢固,施工非常方便。

电缆支架

  The advantages of cable stents are detailed here

  Basic performance:

  The 1. strength is high and the design is good.

  Continuous fiber reinforced thermosetting composites consist mainly of reinforced glass fibers and cohesive heat transfer resins. The tensile strength of glass fiber is very high (3450mpa), and its content, length and laying form determine the strength of scaffold products. The strength of thermosetting glass fiber reinforced composites can be in the range of 30-1000mpa. Therefore, we design the amount, length and laying form of glass fiber according to the force condition, output, production technology and price bearing capacity of the product.

  2. non creep

  The rigidity of continuous fiber reinforced thermosetting composite scaffolds is twice as high as that of a fiber reinforced and reinforced nylon scaffold produced by a company in the US. Even under long-term load, it will not deform, nor will it fall down like some metal cable supports used in some cities in China.

  3. fire prevention

  Oxygen index is an important measure to evaluate cable arson products. Oxygen index refers to the characteristics of fire-resistant products under maximum oxygen condition. The use of the project should be determined according to the burning strength. For example, under the conditions of 30 cables, such as the accident of the cable ignition, more than 500 degrees of heat accumulation can be formed within 4min, which leads to the extension of the cable along the direction. The more cables are at the cable, the greater the quality of the combustible body. In 30 cables, the mass of the unit length combustible body is 20.5kg/m, and now is calculated with 300 cables. The mass of the unit length combustible body is 158kg/m, and the oxygen index is not less than 65% according to the maximum possible combustion strength. We believe that the oxygen index in the product standard is 70%.

  According to the requirements, the oxygen index of the composite material cable bracket is greater than or equal to 70%. It conforms to fire safety, low smoke, halogen free and non-toxic safety requirements. The fireproof performance is higher than that of Taiwan "the technical specification of glass fiber plastic cable slots for underground railway (52% oxygen index), which is also higher than the reinforced thermoplastic bracket of a company in the United States. This index is no less than the index of composite material fire protection standard for new vehicles in Hongkong Metro approved by BS.

  4. corrosion resistance

  Continuous fiber reinforced thermosetting composite support is corrosion resistant, especially suitable for use in humid, salt spray, acid and weak alkaline environments.

  5. electrical insulation

  The insulation performance can be adjusted according to the requirements of use.

  A) electric insulation type, insulation resistance is greater than 1000G omega;

  B) antistatic type, the surface resistance is less than 10G Omega.

  6. easy to use

  The product is directly embedded into the wall through product embedment, and the location is accurate and firm, and the construction is very convenient.

电缆支架

  • 不锈钢工程有限公司  联系人:刘理; 
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