A gear motor combines a motor and a gearbox in a single housing. In contrast, motor‑gearbox combinations consist of two separate components that can be selected and paired depending on the application. While a small gear motor provides a compact, integrated drive solution, a motor‑gearbox combination offers greater flexibility in component selection.
A small DC gear motor can be either brushless (brushless gear motor) or brushed (brushed DC gear motor). The gearhead is typically designed as a planetary gearhead or a spur gearhead. Micro gear motors are commonly used when an application requires a very compact drive with low speed.
When selecting a gear motor for a specific application, it is important to consider that the output shaft may be positioned partially offset from the motor’s rotational axis. In addition, several key parameters play a crucial role in the selection of the appropriate small DC gear motor, including the gear ratio, the overall efficiency, the backlash, the maximum output torque, the maximum output speed, and the maximum allowable axial and radial shaft loads.
FAULHABER’s gear motor portfolio includes the SR‑Flat (brushed) and B‑Flat (brushless) motor families. Both product families use a uniquely flat coil technology, also classifying them as flat motors. Equipped with integrated spur gearheads, SR‑Flat and B‑Flat gear motors deliver high reduction ratios while maintaining a minimal overall length.
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