AUTOMATIC VIBRATION DEVICE OF WORK MACHINE

摘要

Provided is an automatic swing device for a work machine which is capable of performing sieve operation in the posture where a work device is always at a posture suitable for sieve operation. An automatic swing device includes a posture sensor (15) which detects a posture of a work device. The automatic swing device also includes a controller (37) which outputs signals to operate at least a stick cylinder (12st) and a bucket cylinder (12bk) of the work device. The controller (37) has an automatic swing mode in which the work device is automatically swung while the posture detected by the posture sensor (15) is maintained to be in the range of a predetermined posture.