Swing control brake Swing control brake make the machine holede on the desired position from its continous swing, and prevent the upper structure from swinging caused by hydraulic drift.

• 旋转控制制动器应用旋转控制制动器,可在合乎要求的位置上锁住旋转的继续运行,并能防止上部结构由于液压漂移所产生的摆动。