五月天免费精品视频|中国最大偷窥在线|一级似看大片中文字母|日本综合网在线观看免费

    <dfn id="arszu"></dfn>
    <pre id="arszu"></pre><sup id="arszu"></sup><dfn id="arszu"><var id="arszu"></var></dfn><address id="arszu"></address>

    <dfn id="arszu"></dfn>
    <menu id="arszu"></menu><dfn id="arszu"></dfn>
     
    Tray,Cable tray,RiCHENG Cable Tray
    adff
    About Us
      RICHENG News
      Industry information
      Tray technology
      Tray knowledge
    RICHENG CONTACT TEL
    Wuxi Richeng Cable tray
    URL: www.rc5888.com
    E-mail: rc5888@126.com
    Tel :0510-88660720 / 21/22/23
    24-hour service hotline: 13093082899 18921125633
    The current position: Home > News Center >  Tray knowledge > 
    Correct choice of cable tray Four Steps

    Keywords:Correct choice of cable tray Four Steps  Date:2013-10-28  Source:Wuxi City RiCHENG Cable tray

    (1) determine the bridge width, number of layers, anchor types and spacing, and cable trays on the distribution of the layers.

    (2) calculation of each cable uniformly distributed load (kN / m2), initially identified bridge models, specifications.

    (3) according to the maximum total cable uniform load value checking bridge strength. According to preliminary determination withstand strength of the bridge type, size and spacing of the fulcrum.

    (4) determine the deflection. Average maximum deflection and span (anchor spacing) to take the ratio of 1/250 to 1/150 is appropriate.

    HomeBest TrayFireproof Tray Galvanized TrayPlastic TrayAluminium TrayStainless Steel TrayCaseAbout UsNews
    RICHENG Tray User needs, is our eternal pursuit! User satisfaction is our greatest joy!
    Address:Kelan Apartment 3F,Zhongshan West Road, Wuxi city Tel:86-510-88660720/21/22/23-8001
    Fax: 0510-88660720-8018 address: www.rc5888.com e-mail: rc5888@sina.com rc5888@126.com
    welcome to visit our website:
    Two-dimensional Code Scanner or visit
    http://m.rc5888.com
    Mobile Wbesit
    Scan to browse