News
New Compact, High Acceleration Servomotor Range From
Control Techniques
A new compact servomotor from Control Techniques has been
designed to provide market-leading 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.
Find out more about Unimotor hd
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