Category: Helwig Carbon Products

  • How to Order a Carbon Brush

    Need help identifying brush problems or determining the correct carbon brush for your application? Click the link below to download a guide to help you determine the carbon brush you need. Identify Brush Problems

  • Helwig Carbon’s HCP™ Sensor

    Worn carbon brushes cause commutator damage. Carbon brushes are worn down by use. If the brush becomes too short there is a risk of electrical wear to the contact surface, primarily caused by arcing and sparking. This results in serious damage to the commutator and the motor. It is important to replace worn brushes before…

  • 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…

  • Helwig Carbon’s Brushes and Holders for Elevator Applications

    When asked about the most common complaint from elevator technicians regarding carbon brushes, the answer is dusting. It often results from low average current densities, which is common to elevator generators. Helwig Carbon discusses this and the myth of “magic grades,” if you are interested in reading further, click the link below. Carbon Brushes and…

  • The Helwig Commutator Condition Guide

    Helwig Carbon’s Commutator Condition Guide shows you how to avoid costly motor and generator repairs and unscheduled downtime by recognizing possible problems before they cause serious damage. Two major indicators of possible problems are: commutator irregularities and inconsistent film formation. To learn more, click on the link below. Commutator Condition Guide Brochure