SHANGHAI WEDO INDUSTRY CO.,LTD.
    Rail Welding Procedure

    2017-08-11Rail Welding Procedure Step 1: Adjust Rails Step 2: Remove Rust  Step 3: Install Sand Holding Device Step 4: Sealed with Wax Step 5: Preheating Heater and Adjusting Step 6: Preheat Rails Parts Where need welding Step 7: Set up Crucible and Light up Welding Flux Step 8: Burn Flux Step 9: Pouring Molten Steel Step 10: Remove Welding Deadings Stpe 11: Polishing Rail Surface Done...   More>>

    Rail Plastic Sleeves Overview

    2017-08-03Rail Plastic Sleeves Overview What is rail plastic sleeves? Rail plastic sleeves is also called rail plastic dowel, plastic insert, concrete dowel/ concrete insert, which is a counter-party fastener for a sleeper screw or anchor bolt, and it is pre-imbedded into the concrete or wooden sleeper tie, installed together with screw spikes, guide plates and rail clips to fasten the rail tracks.    Functions&...   More>>

    Rail Clips Production Process

    2017-08-11Rail Clips Production Process WEDO produces the rail clips according the scientific procedures of rail clip production strictly and the specific procedures are as follow: 1.Raw material: Premium grade spring steel sourced from a reliable and certified long term producer. 2.Shearing: The spring steel bar has to be sheared as per length required. 3.Heating: to forging temperature (950-1000 degrees Celsius), but over heating shal...   More>>

    Rail Nylon Insulator Overview

    2017-08-11Rail Nylon Insulator Overview Rail Nylon Insulator Rail nylon insulator is installed between rail and tie plate, for adjusting rail gauge and electrically insulating railroad rails, clips and bolts from the interior of a concrete tie or sleeper. Its function is the same as a rail pad, but it is thicker than rail pad. For the high speed or high load train, it is a necessary fastener part .   Properties of rail insulat...   More>>

    Typical Railway Sleepers Overview

    2016-05-06Typical Railway Sleepers Overview A railroad tie/railway tie/cross-tie (North America), or railway sleeper (UK and Australasia) is a rectangular support for the rails in railroad tracks. Generally laid perpendicular to the rails, ties transfer loads to the track ballast and sub-grade, hold the rails upright and keep them spaced to the correct gauge.   Task of sleepers:   Supporting of rail  ...   More>>