الوصف

Because many factors have different influence on magnetic field, such as The guide magnetic hardness, material variety, the depth of hardened layer, the state of heat process, part defects (such as: cracks, blow hole, impurity, etc.) and there is a certain logic connection existing. When the workpiece approaching the uniformly distributed probes, there will be a magnetic-field variable in the probe, the variable will create a magnetizing current and transfer it to the instrument through the wire. After the analysis on the central circuit, data indicating the quality status of the workpiece will be shown on the screen, after comparation with the standard sample, the users can identify and distinguish the type of material, hardness, depth of hardened layer, heat treatment status and defects.