White Paper

Cartridge Brush Design For DC Motors And Gearmotors

Source: Ametek Haydon Kerk Pittman
CartridgeBrushDesign

The traditional method for mounting copper or silver graphite brushes in brush commutated DC motor and gearmotor assemblies has been to solder the brushes onto standard cantilever springs to enable the required constant contact with the commutator. However, this conventional spring design carries inherent drawbacks that can be overcome by housing the brushes within a specially designed cartridge and utilizing torsion springs to ensure desired even force over the life of a motor. Download the full paper for more information.

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