Fit for Dewalt hand sander DWE6421, DWE6411K, DWE6420, DWE6421K, DWE6411, DWE6423K, CMEW231, DWE6423.
The structure of the brush holder consists of a brush box section that keeps the carbon brushes in a defined position, and a pressurized section that presses the carbon brushes with appropriate pressure to prevent vibration of the carbon brushes.
The function of the carbon brush holder is to apply pressure to the carbon brushes in sliding contact with the surface of the commutator or collector ring by means of a spring, so that they conduct current stably between the stationary body and the rotating body.
Carbon brushes are used in the commutator or slip ring of an electric motor as a sliding contact to export and import current.