Welcome to the official website of Changzhou Hemm Intelligent Technology Co., LTD
Brushless DC motors are considered to be the second generation of DC motors since the 19th century. Due to the development of semiconductor, it is a typical mechanical and electrical product. Brushless DC motors omit the use of brushes and therefore have a long service life, high efficiency and smooth rotation.
| Project (unit) | HEM-6BR1.2-9 | HEM-11BR6-15 | HEM-13BR4-24 | HEM-17BS30-24 | HEM-23BR50-24 | HEM-23BS70-24 | HEM-32BS100-24 | HEM-34BS200-48 |
| Nominal voltage (VDC) | 9 | 6 | 24 | 24 | 24 | 24 | 24 | 48 |
| Nominal power (W) | 1.2 | 15 | 4 | 30 | 55 | 57 | 55 | 77 |
| Length (mm) | 26 | 26 | 27 | 41 | 50 | 70 | 100 | 200 |
| number of poles | 4 | 4 | 4 | 8 | 4 | 8 | 8 | 8 |
| Nominal torque（mN.m） | 1.2 | 7.2 | 8.2 | 71.5 | 120 | 220 | 320 | 630 |
nominal current（A） | 0.5 | 0.63 | 0.3 | 1.8 | 2.65 | 4.4 | 5.1 | 4.79 |
nominal speed（rpm） | 10000 | 8000 | 5000 | 4000 | 4000 | 3000 | 3000 | 3000 |
no-load speed（rpm） | 12000 | 10000 | 6200 | 5600 | 5200 | 4300 | 4000 | 4000 |
| Terminal resistance (Ω) | 5 | 3.94 | 4.0 | 2.4 | 0.82 | 0.53 | 0.26 | 0.28 |
| Terminal inductance（mH） | 2.1 | 0.59 | 1.20 | 1.2 | 1.24 | 0.33 | 0.324 | 0.85 |
| Electromotive force constant（V.S/rad） | 0.05 | 0.013 | 0.07 | 0.038 | 0.046 | 0.052 | 0.054 | 0.124 |
| Rotor inertia（g.cm2） | 1.5 | 2.8 | 5.5 | 0.03 | 0.084 | 0.171 | 0.3 | 1.21 |
| weight（Kg） | 0.08 | 0.10 | 0.12 | 0.24 | 0.45 | 0.6 | 0.81 | 1.8 |
sensor | HALL | |||||||
| insulation grade | E | |||||||
protection class | IP40 | |||||||
work environment | -20℃---50℃ | |||||||
| environment temperature | -20℃---70℃ | |||||||
| operating humidity | ≤85%RH | |||||||
A1-B3, 18 Xinya Road, Wujin District, Changzhou City, Jiangsu Province, China
