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首页> 外文会议>International Measurement Confederation XVI IMEKO World Congress (IMEKO 2000) Vol.8, Sep 25-28, 2000, Vienna, Austria >SCRATCHING SURFACES IN ROUGHNESS MEASUREMENTS
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SCRATCHING SURFACES IN ROUGHNESS MEASUREMENTS

机译：在粗糙度测量中刮擦表面

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摘要

The calibration of the stylus type surface texture measuring instruments is usually carried out using a precision reference specimen of regular or random pattern of irregularities. These precision specimens are produced with hardened surfaces in order to minimize the scratching effect of the stylus on their certified values. The continual tracing on these surfaces is expected to deteriorate their quality. An experimental investigation on one of these specimens having a sinusoidal pattern of irregularity has been carried out. The specimen was traced several times on exactly the same position. Up to 350 traces were taken. Form each trace a calibration constant for the measuring instrument was computed. Sets of three consecutive traces were taken and the average calibration constants obtained form each set was computed. The behavior of the results was studied, where it has been found that the mean values of the calibration constants continually decrease. After tracing the specimen for about 250 times a loss of more than 6% of its original value was obtained. The plots of the results as well as photographs of the scratches, taken using the Scanning Electron Microscope (SEM), are given.
机译：手写笔型表面纹理测量仪器的校准通常使用规则或随机不规则图案的精密参考样本进行。这些精密样品的表面经过硬化处理，以最大程度地减少手写笔对其认证值的刮擦作用。预期在这些表面上连续跟踪会降低其质量。对其中一个具有不规则正弦图形的样本进行了实验研究。在完全相同的位置上多次跟踪标本。多达350条痕迹。从每条迹线计算出测量仪器的校准常数。取三个连续迹线的集合，并计算从每个集合获得的平均校准常数。研究了结果的行为，发现校准常数的平均值不断降低。跟踪样本约250次后，损失超过其原始值的6％。给出了使用扫描电子显微镜（SEM）拍摄的结果图和划痕照片。

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