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.
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。
This paper deals with the influence of laser beam on the width and depth of melting zona and surface smoothness.
探讨了灰铸铁激光表面熔化处理表面的质量。
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