试验表明：通过调节激光器的输出功率、光斑直径和扫描速度可以方便地控制熔化层深度和表面平整度。

The experimental result shows that the depth of hardened zone and smoothness of surface can be controlled conveniently by varying the power output beam diameter and scanning rate of laser light.

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改变能量输入的层厚控制：送粉条件不变时，熔覆层厚度随熔池温度的增加而增加，通过控制激光功率或扫描速度可以实现熔覆层厚度的反馈控制。

The control of layer thickness by changing energy input. When the powder feed conditions were constant, the layer thickness was increasing with the increase oftemperature of melt pool.

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借助磁通反馈环节控制磁化电流扫描速度，使得产生的感应电压接近常数。

With the help of the sweeping velocity of magnetizing current controlled by a flux feedback loop a nearly constant induced voltage is produced.

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