针对测量领域深孔表面洛氏硬度测量存在的问题，研制了一种便携式微控表面洛氏硬度计。

As for the problem of surface Rockwell hardness measurement of deep hole in measurement field, this article develops a kind of portable micro-control surface Rockwell apparatus.

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HRM - 45dt型电动表面洛氏硬度计是一种通过电动加载、保荷卸荷的半自动测试金属材料表面硬度的洛氏硬度计。

HRM-45DT motorized Superficial Rockwell Hardness Tester adopts motorized testing method. Its testing force can be loaded, kept and unloaded automatically. Avoid man-made error and easy to use.

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扫描电镜观察表面金刚石形貌，洛氏硬度压痕法评价涂层结合情况。

Adhesion strength of diamond films on cemented carbide were evaluated by Rockwell indentation tests.

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