产品表面检测时发现的裂纹缺陷,通过精确测量其深度,可以为产品后续处置提供关键的参考数据。文章对裂纹深度测量进行了相关研究,形成了适用于各类产品且方便、精确的裂纹深度测量方法。 Crack defects found on the surface of the product can provide critical reference data for subsequent disposal of the product by accurately measuring the depth of the defect. The article has carried on the correlation research to the crack depth measurement, has formed the convenient, the accurate crack depth measurement method suitable for each kind of product.