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By using the appropriate frequency, it is possible to configure the suitable hardware and work. The multifunctional frequency testing and automatic acquisition function create a significantly new inspection tool, allowing material structure inspection to be conducted simultaneously at eight operational frequencies.

Screw inspection can be performed on all workpieces using a probe with eddy currents. When the probe is inserted into the tapped hole, an electromagnetic field is generated that is proportional to the distance between the sensor and the surface of the tapped hole, and the measured analog signal can be viewed as a voltage.

This system enables measurements from a minimum of 2 channels to a maximum of 12 channels. It can also be further expanded by an external multi-flexer. The E70s has a rich capacity of 256 programmable memory slots, allowing for all necessary tests to be conducted. The equipment configuration is suitable for a wide range, and the E70s is available in a one-box type and a remote type operator panel.

When the sensor is in the tapped screw hole, eddy currents are induced on the work surface, generating an analog voltage proportional to the radial distance. If there is an anomaly with the tapped screw, a different voltage signal will be produced.

The demand for quality control that can guarantee the best performance at a reasonable cost has increased more than ever. By directly integrating the ND test system into the centerless grinder, we utilize a unique and safe method that allows testing during processing, as parts are fed through by the grinding wheel and regulating wheel.