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Control Techniques has launched the Unimotor hd, a compact servomotor aimed primarily at applications requiring high peak torque overload for short durations during acceleration or deceleration.

It can also be used in general servo applications where space is at a premium.

Unimotor hd has low inertia, thanks to its segmented stator (cut core), giving a dynamic performance.

Control Techniques said compared with an equivalent rated distributed wound servomotor, the Unimotor hd design is around half the length.

It complements the general-purpose Unimotor fm to complete the company’s servomotor offering.

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.

The motor is said to be ideal for flying shear, cut-to-length and pick-and-place applications, for example, in the packaging, wire bending and food and beverage industries.

Unimotor hd has been developed using a design process that prioritises product innovation, performance and reliability and uses advanced modelling tools that allow new ideas to be evaluated, prototyped and tested.

Unimotor hd servomotors have a 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.

An 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 6,000rev/min.

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 in late 2010.

Control Techniques

Control Techniques, an Emerson Industrial Automation company, is a world leader in the design, production and marketing of electronic variable speed drives for the control of electric motors. Our strategy is to concentrate on delivering drives and servo products that enhance the productivity of our customers’ machines and processes.

We operate through a global network of drive and application centres that both distribute product and add value by building our drive products into custom designed systems and by offering the highest levels of customer service.

Our Control Techniques drive centres also provide us with invaluable feedback and market intelligence so that we can further improve our products and service. This customer focused strategy will enable us to continue to grow profitably.

Our competitive edge is based on our unique focus on drives, our strength in research and development, our investment low-cost manufacturing and an effective worldwide marketing strategy.

Emerson Industrial Automation, a business of Emerson, is a global technology provider that enables productivity, efficiency and quality gains for customers across a spectrum of industries. Our products include alternators, electric motors and drives, electrical distribution devices and mechanical power transmission, fluid automation and ultrasonic joining solutions. Visit our website for more details.

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