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News

Smart AC motor allows wide range of running speeds to be freely set

Lenze (also Techdrives) : 19 November, 2013  (New Product)
The Lenze Smart Motor is not a variable speed drive but instead one that has the running speed freely set over a 5:1 speed range, from 500 to 2600 rev/min. This offers cost savings to machine builders, particularly in materials handling and conveyors, by reducing the number of variants of geared motors used. Instead of several drives with different gear ratios, a single model of Smart Motor can be used with different programmed speeds.
Smart AC motor allows wide range of running speeds to be freely set
Easy operation of the Lenze Smart Motor comes from contactless programming by smartphone app using Near Field Communication (NFC). The app allows free setting of the speed plus start and stop ramps by bringing the smartphone within a distance of 2cm from the motor. This can be done without the need to power the motor.
 
Aside from the wide speed setting range, the electronics also achieve high starting torques, soft start and stop ramps, and energy saving. Initially there are two frame sizes available: 63 frame with a rated torque of 1.75Nm and 80 frame at 5.0Nm. Both have a remarkable starting torque capacity of 400% and this combined with the adjustable start and stop ramps makes it ideal for conveyors. In many cases the high starting torque capacity – 67% higher than a motor started direct on line – means that the motor can be selected one frame size smaller than before.
 
The Lenze Smart Motor is available as a package with the new Lenze g500 range of gearboxes. There are three different configurations – helical, shaft mounted helical and helical bevel – with outputs up to 600Nm. These gearboxes are smaller and lighter than previous models, but also offer high efficiency at around 96%. Combined with the Lenze Smart Motor, efficiency is at IE3 levels with an additional ‘eco’ option for cost saving at partial loads. 
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