A new compact servomotor from Control Techniques has been designed to provide dynamic performance, with outstanding acceleration thanks to high torque to inertia characteristics in a remarkably compact package.
The Unimotor hd is aimed primarily at applications requiring high peak torque overload for short durations during acceleration or deceleration, but can also be used in general servo applications where the space envelope is at a premium due to its compact design. Unimotor hd has low inertia, thanks to its segmented stator (cut core), giving a highly dynamic performance. Compared with an equivalent rated distributed wound servomotor, this design is around half the length.
The Unimotor hd complements the general purpose Unimotor fm to complete the servomotor offering from Control Techniques. Initially it is launched with frame sizes 055, 067, 089 and 115, covering the range 0.85Nm to 16Nm, with larger frame sizes extending the rating to 70Nm to be available later.
"Unimotor hd has been designed to give optimum performance with our Digitax ST servo drive range," says product manager, Jan Witkowski, "and meets the needs of the market in very demanding, highly dynamic, point-to-point applications requiring a high torque to inertia ratio, the new motor delivers this in abundance."
Typically the motor will be ideal for flying shear, cut-to-length and pick and place applications, for example, in the packaging, wire bending and the food and beverage industries; any application that requires repetitive dynamic short cycle times.
Unimotor hd has been developed by a dedicated team using a design process that prioritises product innovation, performance and reliability. The process uses advanced modeling tools that allow new ideas to be rapidly evaluated, prototyped and tested. The result is an advanced design, with several patents pending, that raises the performance standard in this market.
Unimotor hd servomotors have a wide range of feedback options including incremental encoders, SinCos encoders, single and multi-turn (supporting Hiperface protocol), Absolute encoders, single and multi-turn (supporting EnDat protocol) and resolver.
Motors fitted with Sincos or Absolute feedback can be pre-loaded with the motor ‘electronic nameplate' data that is automatically read by the chosen Control Techniques servo drive to simplify the commissioning, save time and ensure optimum performance. Optional high energy dissipation parking brake is available, rated higher than motor stall torque.
Unimotor hd can be supplied with windings to suit 200V and 400V supply and with rated speeds of 2,000, 3,000, 4,000 and 6,000rpm. Pre-wired motor and feedback cable assemblies are also available. Motors will be CE and RoHS compliant. Future additions will include a wash-down motor that will be food grade compliant, and an ATEX version of the motor, both to be released late 2010.
The Unimotor hd range is available from any of the Control Techniques Drive Centres and resellers in 67 countries across the world.
Control Techniques
www.controltechniques.com
