Lenze launches MCA and MQA servo motors
A
Lenze product story
Edited by the Engineeringtalk editorial team
Sep 23, 2008
Lenze has announced the launch of the MCA and MQA series of asynchronous servo motors.
The company said the motors deliver more power than comparable motors as a result of a revised cooling concept.
A common mechanical design with three different forced ventilation options can deliver up to 200 per cent more power at a given inertia.
This, combined with insulated bearings and electronic nameplates, makes the MCA and MQA motors a good choice for economy and long life.
MCA and MQA motors are available with rated torques up to 125Nm and a massive reserve for peak torques up to 500Nm.
The high power density is a result of the forced ventilation design.
At the lowest level are IP54 motors with conventional external forced cooling.
Achieving an increase of about 10 per cent at the expense of reduced enclosure to IP23 is done with a radial blower that forces air through internal channels in the motor.
A further increase of about 25 per cent is available through a larger blower mounted radially.
There is space saving too - these motors give 20-30 per cent more power for a given volume.
The result is better dynamics on high speed machinery from the increased ability to inertia match together with savings in cost and space.
The MCA and MQA motors come with a range of features.
Insulated bearings increase motor life as they prevent electro-erosion damage incurred by hazardous bearing currents - in turn a result of the high switching frequency of servo drives.
Also standard is a choice between resolvers, incremental and absolute encoders.
Each motor can accept a choice of two sizes of spring applied brakes for emergency stop and holding duties.
An electronic nameplate built into the feedback connector allows exact matching to Lenze drives.
The connectors themselves are available in new SpeedTec design which reduces machine build time.
The servo motors are ideally matched to Lenze ECS, 9300 and 9400 servo drives for powers up to 38kW.
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Contact Lenze
Tel +44 1234 321200
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