Conveyors Create Zones in Accumulation and Assembly Applications

As automation becomes integrated into medium- and heavy-load accumulation and assembly applications, the need for conveyors with zoning capabilities increases, and Dorner’s ERT250 conveyors are designed to handle zone functionality.

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Dorner Ert250 With Gears

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


Automation modules (240 mm width minimum)

    Navigate 90° and 180° corners

    Lift and transfer

    Lift and locate

    90° pusher

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