编码器(光电脉冲编码器)是由光学系统和电子电路组成的测量元件。主要用于测量加工中心和数控机床的位置、角度。如果该元件发生故障会引起定位尺寸不准,用在旋转工作台上时会出现角度偏差或不能回零。如果在CNC系统中设置了报警,当误差超过规定值时就有警报出现。判断是否因编码器引起的故障,检修时可按如下顺序检查,再确定修理或更换。 The encoder (optical pulse encoder) is a measuring element consisting of an optical system and an electronic circuit. It is mainly used to measure the position and angle of machining centers and CNC machine tools. If the component fails, it will result in inaccurate positioning dimensions. When used on a rotary table, there will be angular misalignment or non-zeroing. If an alarm is set in the CNC system, an alarm appears when the error exceeds the specified value. To determine whether the encoder is faulty, check the following sequence during the repair and then confirm repair or replacement.