How to make bends and climb slopes in cable trays

Bends and slope climbs in cable trays can be achieved using pre-fabricated fittings, hand tools, or on-site modifications, ensuring smooth cable routing and structural integrity. Making Bends in Cable Trays1. Pre-fabricated fittings: The easiest method is to use manufactured 90° bends, tees, or crosses designed for your tray type.

These are available for both solid and wire mesh trays and ensure precise angles without damaging the tray. 2. On-site bending: If pre-fabricated bends are unavailable, you can create bends using hand tools or a cable tray bender: Mark the tray at the desired bend location and angle.

Remove or flatten tray lips where the bend will occur to prevent deformation. Use a blunt object or bender to gradually bend the tray to the required angle, typically 90° for corners. Reinforce the bend with gussets or bolts to maintain structural integrity.

For wire mesh trays, bolt cutters can be used to cut and shape the tray, with rubber caps protecting cut ends. 3. Smooth bends: Ensure the bend is gradual enough to avoid sharp edges that could damage cables.

For small adjustments, a simple metal bar can help achieve a controlled bend. Climbing Slopes (Risers)1. Using riser fittings: Pre-fabricated risers allow the tray to change elevation smoothly.

Measure the vertical distance and select the appropriate riser height. 2. On-site slope creation: For wire mesh trays, you can cut and reassemble sections to form a slope: Cut the tray at the slope start and end points.

Adjust the angle gradually to avoid sharp transitions. Bolt the sections together securely, ensuring the tray remains level and stable. 3.

Safety and support: Always use proper supports and brackets to maintain the tray's stability on slopes. Avoid overloading the tray at bends or risers to prevent sagging or deformation.

Tips for Successful Installation

Inspect trays for damage or defects before bending. Clean the tray to remove debris or moisture for accurate bending. Take precise measurements to ensure bends and slopes align with the installation plan.

Use protective equipment when cutting or grinding metal trays. For wire mesh trays, ensure cut edges are protected with rubber caps to prevent cable damage. By combining pre-fabricated fittings with careful on-site bending and proper support, you can create smooth bends and slope climbs in cable trays while maintaining safety and cable integrity.