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Planetary gears are key on new design of robot

Planetary gears are key on new design of robot With the launch of the Compact Flexible Robot (CFR), DB Automation intends to offer the injection moulding industry the next generation of high performance robotic take-out technology. The CFR can achieve take-out times of as low as 200 milliseconds by following the opening of the mould tool and taking advantage of the increased opening stroke required for products with significant depth.

This side entry robot uses an articulated motion to swing through a radius and enter the mould area whilst the tool continues to open. Once inside the tool area, a further high specification servo controlled axis follows the continued opening movement and removes the moulded product prior to receiving the mould open signal via the Euromap. This concept offers unrivalled levels of performance and minimises the delay to the injection moulding cycle. Traditional Cartesian methods can delay the mould cycle by up to 1.5 seconds whilst de-mould is completed.

With the reduction in this delay offered through the integration of the C.F.R robot with the injection moulding machine, DB Automation offers increased throughput and increased production figures. The main robot arm axis is driven using a servo motor connected to a Wittenstein alpha alpheno planetary gear reducer. This gearhead offers unrivalled power density and is unmatched by anything previously available in the world of low-backlash gearheads. Not only smaller, quieter and more powerful than alternative designs but with huge radial load capacity and high input speed, this gearhead enables the CFR arm to remove the moulded product in a fraction of the time compared to previous methods.

Ideally suited to products with depth, the CFR has a proven track record in the production of buckets and plastic containers. The simplified movements of the CFR result in a robust and reliable production cell adding to the impressive production rates.

A second well known UK plastic injection moulder, has placed orders for three CFR units, following its proven performance. The latest units are to be installed within a cleanroom environment, along with integrated down-stream take-off handling units and conveyor stacking systems from DB Automation.

The CFR unit easily adapts to different products through installation of dedicated tooling, or by simple product selection from pre-configured component options available through the intuitive HMI interface. By offering up to a 25% increase in production compared to that of a Cartesian system, DB Automation believes that with a competitive price the CFR robot will be a great asset to any moulding company. DB Automation fully integrates the latest in technology with the injection moulding machine to produce a fully functional production cell.
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