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触针式表面粗糙度轮廓计是利用特制的触针在工件表面垂直于加工纹理的方向上移动,再通过传感器把触针垂直位移量转换成电信号,经放大处理后,可用指针式或数字式仪表显示出具体的Ra值。由于压电式传感器具有灵敏度高、信噪比大,工艺性好等优点,故在轮廓计中被广泛采用。下面介绍的YCL-1型便携式表面粗糙度轮廓计便是其中之一。使用前,通过发条旋钮,顺时针方向的旋动,旋紧发条储能。再将探头置于被检工件表面并启动按钮,发条释能且通过齿轮系拖动传感器探头,使其在
Needle stylus surface roughness profile gauge is the use of special stylus in the workpiece surface perpendicular to the processing of texture in the direction of movement, and then through the sensor to the stylus vertical displacement into electrical signals, after amplification processing, available pointer or digital The meter shows the specific Ra value. Because of the piezoelectric sensor with high sensitivity, signal to noise ratio, good technology and other advantages, it is widely used in profiler. The YCL-1 portable surface roughness profiler described below is one of them. Before use, through the clockwork knob, clockwise rotation, tighten the spring energy storage. Then the probe is placed on the surface of the workpiece and start the button, the spring release and drag the sensor through the gear train to make it in the