This is a step by set guide on how to make (fabricate) a 90 degree bend in metal cable tray and use a cable tray bending machine to make the same bend. Videos are training aids for City and Guilds (C and G) and EAL courses Level 1, 2, 3 plus AM2, AM2S and AM2E. Cable tray benders come in various sizes and types, such as manual, hydraulic, or electric. Calculate centerline arc lengths, structural setback bounds, linear chords, and offset tray travel. Wire mesh cable trays are widely used because of their flexibility and easy on-site modification. Unlike perforated trays, bends can be created directly at site without expensive fittings. Since the jaws of the bolt cutter drags a layer of zinc across the cut end and forms a protective layer.
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