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沈阳机电设计院试制出一种手提式光洁度检测仪,可以方便地检测磨削工件光洁度。该仪器结构简单、携带和操作都很方便,可以测量▽_7～▽_(14)的平面及直径在φ10以上的圆柱面的磨削工件。其测量误差不大于1小级。这种光洁度检测仪在光源上采用半导体激光器。在电路上采用对数放大器。过去采用数字式检测光洁度方法只能区分大级,而用对数电路后,因输出是一个连续量,可以直接区分光洁度小级,比数字式检测光洁度的方法更为精确。
Shenyang Institute of Electrical and Mechanical Design trial production of a portable finish tester, you can easily detect the grinding finish. The instrument has the advantages of simple structure, convenient carrying and operation, and can measure the plane of ▽ _7 ~ ▽ _ (14) and the workpiece of the cylindrical surface with diameter over φ10. The measurement error of not more than 1 small class. This finish tester uses a semiconductor laser on the light source. In the circuit using logarithmic amplifier. In the past, the method of digital inspection smoothness can only distinguish between large levels, but logarithmic circuit, the output is a continuous amount, you can directly distinguish the small grade of finish, more accurate than the method of digital inspection finish.