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Advanced Engineering 2020

NEC, Birmingham(B40 1NT)

04/11/2020 - 05/11/2020

The UK's largest annual advanced manufacturing trade show, Advanced Engineering is your opportunity to (more)

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NEC, Birmingham(B40 1NT)

25/01/2021 - 27/01/2021

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Belt drive offers improved accuracy and repeatability

Belt drive offers improved accuracy and repeatability
Mclennan Servo Supplies has launched a new long travel belt drive system that it says offers higher dynamic performance, increased accuracy capability and much improved repeatability over conventional belt driven linear positioners. The ServoBelt from Bell-Everman uses a patent-pending design based on two steel reinforced polyurethane timing belts that are meshed and guided through a servo driven toothed roller and idler system held within a carriage supported on linear motion guide bearings and Bosch 45 series T-slot extruded profile.

As the active belting under tension is effectively restricted to less than 75mm regardless of the travel range, a much increased and uniform stiffness is possible when compared to conventional belt drive systems. This means that servo tuning can have much higher gain factors and superior settling times, allowing significant dynamic performance increase throughout the travel range or the ability to use smaller power motors to achieve the same results. The design also considerably improves both positional accuracy and repeatability specifications for belt driven systems, particularly for longer travel applications.

The standard ServoBelt covers travel ranges from 340-6040mm in 60mm increments, with bi-directional accuracy to ±60 microns.
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