[Chai Jin cable tray to recommend the star product - the bridge] choose a size, width and height of the bridge on the table to select Cascade cable bridge, and shall comply with the provisions of the true value of the cable charging rate does not exceed the relevant standards, the power Cable desirable 40-50%, 50-70% control cables desirable, in addition I need to stay away 10-25% of type development margin. 2, various elbow and accessories shall conform to the specifications and conditions of the project layout and matching tray. 3, support and hanger size selection, should bridge specification, layers, span configuration and other conditions. And shall meet the load requirements. 4, the bridge cross-sectional area of ??choice in Table [Chai Jin cable tray to recommend the star product - the bridge] how to take deflection deflection given, also no clear provisions in the area obviously should consider reducing the burden degrees around it means a corresponding increase in the amount of steel cable tray manufacturers, therefore tray cable bridge, as long as the full use of the calculation of the maximum allowable stress of steel, and to ensure adequate safety factor, usually the maximum deflection of the span (distance between support points) than Take 1/250 ~ 1/150 is appropriate. Expansion and contraction problems. Cable tray cable tray price _ _ Tianjin Hexi bridge provided by the Tianjin factory Chai Jin Chai Jin cable bridge Limited. Chai Jin Tianjin cable bridge Limited (www.tjcjdlqj.com) strong, credible, in Tianjin metal building materials industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Chai Jin cable tray and you hand into the brilliant, for a better future!