Unimotor is a range of brushless AC servo motors from CT Dynamics. They are three phase, 6 or 8 pole, permanent magnet motors exhibiting a sinusoidal back EMF characteristic. The motors supply high torque with either low or high rotor inertia and minimal cogging torque.
The unique ‘finned’ motor housing is a high-strength aluminium alloy casting, that improves heat dissipation by conduction, radiation and convection. The single-piece integral construction permits accurate bearing to housing alignment and maintains air gap concentricity. This arrangement optimises torque output and reduces cogging torque. The compact design gives increased torsional stiffness. Laminations and coils are optimised both for high efficiency and to provide low harmonic distortion in the airgap flux. Combined with the high energy magnets, and a choice of rotor inertia, these features provide superb dynamic performance to suit all requirements.
The integral housing and front flange design increases thermal dissipation and improves sealing (IP65 standard, when mounted and connected).

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 Unique 'finned' design - high thermal dissipation

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 Encoder for high precision feedback integral commutation

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 PTC thermistors for thermal monitoring and overload protection

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 Low inertia is standard for fast acceleration

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 IEC mounting flange

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 Key shaft is standard

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 IP65 standard (when connected) - sealed against water spray and dust

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 Low cogging torque & THD (Total Harmonic Distortion)

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 Rotor assembly balanced to ISO 1940 grade 6

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 High standard of mechanical design and precision manufacture - for improved performance and quality

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 Winding insulation is to Class H

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 Bearing system designed for prolonged motor life

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 Modular construction

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 CE marked

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 UL and CSA recognised insulation system

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 Incremental optical encoder 4096 ppr up to 3000 rpm

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 Incremental optical encoder 2048 ppr above 3000 rpm

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 Absolute encoder - 4096 multi-turns

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 Resolver feedback for high temperature applications

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 Sine/Cosine encoder for high resolution (single and multi-turn)

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 High inertia option

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 Plain shaft (non keyed)

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 Gearbox options

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 Brake

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 SLM technology