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31 March - 2 April 2020 // Nuremberg, Germany

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Exhibitors & Products MedtecLIVE 2019
Zoom product LOGO_Hybrid Stepper Motors & Brushless DC Motors

Hybrid Stepper Motors & Brushless DC Motors

LOGO_Hybrid Stepper Motors & Brushless DC Motors

Hybrid Stepper Motors & Brushless DC Motors

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Our stepper motors achieve high efficiency via a new lamination design which produces torque typically 50–100% greater than round body designs.

Vital Characteristics of Geeplus Hybrid Stepper Motors:

• Flexibility: The DSMH series comes in 7 sizes ranging from 20 to 110 mm flange.
 High Speed: The high torque of the DSMH stepper motors allows for high acceleration. Low-resistance windings allow for high speed.
 High Torque: Typically 40% more torque compared to conventional motors of similar size
 High Efficiency: The lamination design and the small air gap in the DSMH series keep electromagnetic losses to a minimum

 Low Noise and Vibration: The rectangular lamination design leads to a high stiffness in our hybrid stepper motors. The tooth geometry was especially designed to minimize audible noise and vibration.
 Numerous Options as Standard: Metric or SAE threads, shaft on either side, return spring, dust cover, tapped holes in armature plate
 Connectivity: Most motors in the DSMH family provide 8 leads. This allows for both serial and parallel connection in bipolar operation as well as unipolar connection.
 Customized Solutions Available: e.g. custom winding, custom shaft configurations, and addition of a leadscrew

Brushless DC Motors

With high starting torque and faster acceleration / deceleration, the motor produces less heat and less noise by eliminating ionizing spikes from brushes. This makes the brushless motor suitable for use in a number of sensitive applications, including medical equipment.

Additional application examples include hospital beds (less noise than a stepper motor), door release bars, centrifuge drives, linear and servo motors, actuators for industrial robots, feeder drives and a whole lot more.

Our brushless motors are currently available in eight standard sizes, but other versions can be manufactured to specification.

Customization Options for BLDC Motors

• Custom Flange Once tooling is complete for modifications of this kind, the impact on unit cost is small.
• Shaft Modification Flats, keyways, splines, leadscrew form, pinion and rear shaft extension are common modifications.
• Encoders Can be added to provide position feedback, and can provide relative or absolute position information.
• Lead-wire Modification Longer or shorter lead-wires, cable (with outer sheath), or addition of connectors are common modifications. Different lead-wire material is possible to conform to standards in different countries/applications.
• Insulation System Higher temperature class (may also require magnet and bearing changes), or higher isolation class are usually straightforward. Impregnation or over-moulding of motor windings can improve heat transfer from coil windings to stator, enhance isolation, and improve resistance to vibration, and to hostile environments/corrosion.
• Bearing Changes Bearings can be changed to withstand higher radial or axial loading, to accommodate a custom shaft, to use corrosion resistant material, to withstand higher or lower temperatures, or to incorporate sealing.
• Winding Change Motor windings can be changed to modify the motor speed and torque characteristics, and / or to optimize for best compatibility with a chosen drive.
• Temperature Range Metal parts of the motor will normally withstand a fairly wide temperature range. Insulation materials, magnets, bearings, and lubricating grease or oil may need to be changed to withstand wide temperature variations.

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