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The compact servo drive and controller cooling issues robot developers easily overlook

Cooling for compact servo drives and controllers must be evaluated at the system level, not by looking at individual components alone. Thermal design should start with a heat budget: for example, with 45 W of heat dissipation, 35°C air temperature, and a 65°C baseplate limit, the allowable thermal resistance is about 0.67°C/W, and the heatsink should be selected accordingly. Once a fan is installed inside an enclosure, airflow resistance increases, creating a tradeoff between fin density and airflow, while natural convection depends more on fin orientation and spacing.

Part of the event: Tutorial on Thermal Design for Compact Servo Drives Released

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