Tag: Commutator

  • Helwig Carbon Cleaning Contact Surfaces

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  • Helwig Carbon Brush Specification, Installation and Troubleshooting Guide

    When troubleshooting an issue, choosing the right carbon brush for any motor or generator involve many factors including the environment, motor loading, and grounding. Mixing brush grades, styles, or brushes from different manufacturers can cash a flashover. In all cases, the carbon brushes are the fuse of the DC motor or generator circuit.   Carbon brushes are…

  • Helwig Carbon Brush Holders

    Helwig Carbon brush holders are designed for reliability and quality, providing longer brush live and lower maintenance cost than original holders.

  • Commutator Conditions: Problems and Causes

    The commutator should have a smooth film and consistent color. The film should be from light to dark brown. A streaky film is often a warning that the commutator might thread. If this is the case, fine copper dust will be found on the brushes and brush rigging. Bar marking, where some bars are lighter…

  • Helwig Carbon Celebrates 85 Years of Innovations

    The technical product innovations developed by Helwig Carbon Products have received universal acceptance over many decades, have been copied by carbon brush manufacturers world-wide, and are still in use today. There is no question that the development of carbon brushes was key to the future of electrical machines as the primary drive system of the…