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Smaller frameless torque motors offer high reliability

20 June 2011

Parker Hannifin has broadened its range of frameless torque motors with the introduction of the TK130 models. Building on the features of the existing TK range, these smaller, robustly packaged models offer simplified mechanical design, exceptionally smooth rotation, high positional accuracy and high dynamic performance for applications such as machine tool indexing and rotary tables.

Delivered as kits consisting of separate stator and rotor elements with large inner diameters, the gearless TK configuration can be directly integrated into the mechanical structure of the machine. The load is thus directly connected to the motor’s moving part, leading to simplified mechanical designs, reduced footprint and lower weight.
As the TK range of motors have no mechanical parts subject to wear, the lifetime of the whole system is increased and maintenance costs reduced significantly. The absence of gears between the load and the motor also suppresses the backlash and play inherent in conventional mechanical transmissions, resulting in greater rigidity and superior accuracy.

Available as either naturally ventilated or water cooled models, Parker TK motors are particularly suitable for use in harsh environments, offering high temperature operation up to 150°C.

In addition, the TK motors can be customised to suit the individual needs of a specific application, both in terms of mechanical design and subsystem integration.

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