The carbon brush transfers current between the stationary and rotating parts by sliding contact. Because the performance of the carbon brush has a significant impact on the performance of the rotating machine, the choice of carbon brush is a crucial factor. At Huayu Carbon, we develop and produce carbon brushes for a variety of customer needs and applications, applying superior technology and quality assurance know-how to us develop our field of research for many years. Our products have minimal impact on the environment and can be used in many different applications.
It possesses commendable reversing performance, wear resistance, and exceptional electric collection capabilities, making it extensively utilized in applications such as electric locomotives, forklift trucks, industrial DC motors, and pantographs for electric locomotives.
DC motor
The material of this DC motor carbon brush is also used for other types of DC motors.
Model | Electrical resistivity (μΩm) | Rockwell hardness (Steel ball φ10) | Bulk density g/cm² | 50 hours wear value emm | Elutriation strength ≥MPa | Current density (A/c㎡) | |
hardness | Load (N) | ||||||
J484B | 0.05-0.11 | 90-110 | 392 | 4.80-5.10 | 50 | ||
J484W | 0.05-0.11 | 90-110 | 392 | 4.80-5.10 | 70 | ||
J473 | 0.30-0.70 | 75-95 | 588 | 3.28-3.55 | 22 | ||
J473B | 0.30-0.70 | 75-95 | 588 | 3.28-3.55 | 22 | ||
J475 | 0.03-0.09 | 95-115 | 392 | 5.88-6.28 | 45 | ||
J475B | 0.03-0.0g | 95-115 | 392 | 5.88-6.28 | 45 | ||
J485 | 0.02-0.06 | 95-105 | 588 | 5.88-6.28 | 0 | 70 | 20.0 |
J485B | 0.02-0.06 | 95-105 | 588 | 5.88-6.28 | 70 | ||
J476-1 | 0.60-1.20 | 70-100 | 588 | 2.75-3.05 | 12 | ||
J458A | 0.33-0.63 | 70-90 | 392 | 3.50-3.75 | 25 | ||
J458C | 1.50-3.50 | 40-60 | 392 | 3.20-3.40 | 26 | ||
J480 | 0.10-0.18 | 3,63-3.85 |