Strong power/volume from micromotors
An
EMS product story
Edited by the Engineeringtalk editorial team
Nov 7, 2002
As part of a new product family launch, Electro Mechanical Systems has three new DC micromotors from Faulhaber Group.
As part of a new product family launch, Electro Mechanical Systems has three new DC micromotors from Faulhaber Group.
The largest of the new products are the two Series 32 DC micromotors and their complimentary Series 32/3 planetary gearhead.
The two new DC micromotors are the Series 3242CR and the 3257CR.
The motors, at 32mm diameter and 42m or 57mm long, respectively, benefit from a high power/volume neodymium (NdFeB) magnet.
The graphite commutation and patented System Faulhaber self-supporting skew-wound copper coil offers outstanding power/volume performance, enabling the two new motors to achieve a no-load speed of 5500 or 6000rev/min at stall torques of 189 and 539mNm, respectively.
Output powers are 27.2 and 84.4W, respectively.
The associated Series 32/3 planetary gearhead is housed in an all-metal case with preloaded bearings on the output shaft.
A range of 11 reduction ratios are available between 3.71:1 to 1,526:1 while offering up to 7Nm continuous operation output torque and 10Nm intermittent operation torque.
The Series IE2 magnetic encoder, when mounted to the motor, extends the motor length by just 13mm.
It is dust-contamination and lightproof and offers a maximum 512 lines per revolution with a two-channel square-wave signal output.
The Series MCDC 2805, four-quadrant PWM motion controller completes the offering.
It enables extremely accurate velocity control with high performance, speed constant and lowest possible torque variance.
The motion controller also enables torque control through current limiting.
All operational functions are programmable using Motion Manager 2.1 software that works with Windows 95/98/Me and NT 2000, XP.
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