Patent ID: 8074526

Claim:
A test device for testing a machine for roller burnishing at least one cylindrical journal, the machine includes at least one roller configured to roll on a region of the cylindrical journal that is to be roller burnished, a bearing wheel exerting a pressure on the roller, and two support wheels configured to support the cylindrical journal on an opposite side to the roller, the test device comprising: a main shaft including an axis of rotation and a first end that includes a threaded housing to receive a threaded rod of a drive device to rotate the test device about the axis of rotation; a first rolling ring secured to a central portion of the main shaft, the first rolling ring including a rolling track for the roller of the roller burnishing machine, the rolling track having symmetry of revolution about the axis of rotation of the main shaft, with a profile including a rounded portion; and a cylindrical rolling track to contact the support wheels of the roller burnishing machine.