Abstract not available for EP0823047 Abstract of corresponding document: DE19514848 A process for testing the hardness of workpieces where a striker is moved out the workpiece to be tested so that it strikes said workpiece during its outward travel and rebounds therefrom on the return path. A movement value of the striker is detected on the outward and return paths by means of a contactlessly operating electromagnetic device and a measure of the hardness of the workpiece is obtained from the difference between the outward and return movement values. A device for implementing the process is also disclosed.
https://app.acclaimip.com/pdf/NQxB3w3TzTWhDEG66NPNOcqfppikgYsYdoqSqDQ/EP0823047B1
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