The magnetic powder brake the internal structure and working principle and roughly with magnetic powder clutch approximation, also have the same strengths.
磁粉制动器的内部结构及工作原理，大致上与磁粉离合器近似，亦拥有相同的长处。
2
A practical and effective ultrasonic inspection method for detecting internal flaw of brake disc is put forward and the key procedure is to select a proper probe.
提出运用超声检测的方法检测制动盘内部缺陷是切实可行的，而选择合适探头是超声检测成功的关键。
3
The technical problem-that the gliding rotary arm after braking is smaller than a small angle-is solved through internal contracting brake device designed by using electromagnetic circuit.