Low cost 2-12 Watt ironless rotor servo motors in 29 and 40mm diameter, with peak torques to 13.6Ncm. The 120 series ironless rotor servo motors provide all the essential features necessary to achieve high performance servo operation combined with economic pricing. Ideal for rapid response instrumentation.

• Features -
• Skewed coreless design for low inertia
• High peak torque for rapid acceleration and reversals
• Precious metal commutation for accurate control
• Low internal friction for high efficiency
• Smooth operation, free from cogging over wide speed range
• High reliability and long life
• Optional precision Ovoid gearbox for increased torque
• Versions available with integral AC Tacho

Precision 23mm diameter 3.6 Watt units with optional tachometers or encoders. 4.5-18Vdc voltage options with peak torques up to 1.8Ncm. The M23 series DC Servo Motors incorporate a low inertia skewed ironless rotor design thereby making them ideal for use in applications requiring accurate servo control. The unit features precious metal commutation which minimises internal friction losses and operating variations due to climatic conditions.

• Features -
• Linear torque, current and speed and back EMF constants
• Rapid response due to high torque to inertia ratio
• High efficiency resulting in high power to volume ratio and wide possible speed range
• 3mm diameter shaft
• Smooth operation over the full speed range
• May be fitted to a wide range of gearhead options
• Available with integral DC tachogenerator (M23T) or incremental encoder (M23-I)

Precision 28mm diameter 6.5 Watt motors with optional tachometers or encoders. The M28 series provides excellent servo performance combining rapid response and smooth operation over the full speed range together with compact dimensions.

• Features -
• 6V, 12V and 24Vdc versions with peak torques to 5Ncm
• Skew wound ironless rotor for fast acceleration and smooth operation free from cogging
• Pre-loaded ball race bearings withstand high radial load and zero shaft end float
• 3mm diameter shaft
• Heavy duty copper-graphite commutation withstands high peak current and provides long life
• Optional DC tachometer for accurate velocity control using analogue control techniques
• Dual track incremental encoder for use with digital control techniques

The M35 series provides outstanding performance for a unit of such compact dimensions. This, combined with the high reliability and its long life expectancy makes it ideal for a wide range of professional applications requiring high torque, accurate control and rapid response. Precision 35mm diameter 20 Watt units with optional tachometer or encoder. 12-48Vdc options with 18Ncm peak torque.

• Features -
• 12V, 24V and 48Vdc versions with peak torques to 17Ncm
• Skew wound ironless rotor providing for fast acceleration times and smooth operation free from cogging
• Pre-loaded ball race bearings withstand high radial load and zero shaft end float
• Heavy duty copper-graphite commutation withstand high peak current
• 4mm diameter shaft
• Optional DC tachometer for accurate velocity control using analogue control techniques
• Dual track incremental encoder for use with digital control techniques

The M66CE is a 66mm diameter high performance low inertia dc servo motor, providing up to 30W output power and offers smooth operation over a wide speed range. The M66CE motor incorporates a skewed ironless rotor thereby ensuring linear speed and torque characteristic combined with rapid acceleration times and reversal capabilities. The type M66CT includes an integral DC tachogenerator for optimum velocity control using analogue control techniques while M66CI series is provided with an integral dual track incremental encoder for use with digital control circuits.

• Features -
• 12V and 24Vdc versions with peak torques to 36Ncm
• 6mm diameter shaft
• Dual track encoder option
• DC tachometer option
• Parking brake option
• Smooth operation over a wide speed range