You know something about brushless dc motor is also, because of its long service life, high reliability advantages, is widely used in automobiles, numerical control, aerospace, automation equipment and other industries. Also has a wide application in our daily life, the understanding of brushless motor what are the pitfalls? 1, the motor is not a bad mistake, brushless motor will be bad. Such as coil short-circuit, foreign body into the motor, as well as the motor overload, overheating, cause magnet demagnetization. Understand and rated current of the motor rated power, keep the motor under the rated parameter values used, more than the rated parameter values, motor overload, overheating occurs, erasing, and so on and so forth. 2, torque and the rotational speed and the motor is the same as the wrong, or to take a in the torque and rotational speed. An indicator is high, then another must discount. This is why more than to prepare a brushless motor. No matter what don't expect unlimited high speed, torque motor is infinite. Both will only take one. For automation equipment, should be under guarantee enough torque to get the highest speed. But there are equivalent and brushless motor, under the same speed, brushless torque is somewhat higher; Under the same torque, rotating speed is somewhat higher. In all speed by torsion, the product of the brushless is higher than a brush. This is because its efficiency is higher than a brush. 3, don't need maintenance fault, need cleaning machine, replace the bearings, magnet magnetization, to keep the best performance. Any motor damage will make motor cannot work daily maintenance is mainly on the surface of the dust, and near the bearing and spilled oil mixed sludge, for bearing oiling. As long as careful not to let motor overheating (magnetsDon't too small teeth than, smooth to keep the car drive system)Generally does not require any maintenance. I believe that the performance of the motor as long as reasonable use, basic won't fall!