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Dorner's ERT250 edge roller pallet and tray handling conveyor uses rollers to move pallet conveyors smoothly with no friction (a byproduct often seen in belt-driven platforms). It uses pallet sensors and control logic to determine when a pallet is free to move forward, or if a pallet is stopped downstream. If a pallet is required to stop, it will stop in the next zone. Motors operate only when pallets advance forward or reverse. Multiple zones can be created on a single conveyor. Using zones reduces the number of stacked-up pallets, while still providing effective accumulation capabilities.
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The ERT250 is also ideal for applications calling for pallet or tray handling with no- and low-back pressure accumulation, and cleanroom applications such as medical product or device manufacturing, assembly, packaging and others.
Technical specifications for single and multiple zones on the ERT250 include:
• Widths 100 mm to 960 mm wide
• 38 mm diameter rollers on 50 mm centers
• Loads up to 250 lb/pallet or tray
• Loads up to 15 lb/ roller
• 150 mm long tray minimum
• Speeds up to 37 m (121 feet) per min
• Aluminum frame with two T-slots
• Energy efficient brushless DC gearmotors and controllers; motor controllers use Ethernet IP for easy communication
• Reversible
• Automation modules (240 mm width minimum)
• Navigate 90° and 180° corners
• Lift and transfer
• Lift and locate
• 90° pusher
