![]() four, three, six, and seven rest on their supports. five loses contact with its support, and journals no. At the same time, the shaft becomes less bent at the locations of journals no. five will remain in contact with the support, which will exert gradually decreasing reaction forces on the journal. At shaft angles ranging from 180° to 270°, journal no. five is permanently in contact with its support, so the sensor will indicate a constant deflection of 0.03 mm, the same as for the angle of 90°. four, three, six, and seven) will be lifted upwards, losing contact with their supports due to bending of the shaft (caused by increased pressure of journal no. Simultaneously, journals adjacent to journal no. ![]() ![]() five will contact the support and, as the shaft rotates further (in the angular range of 90° to 180°), the reaction force will gradually increase at the point where journal no. five, and if the downward movement of the probe stylus is treated as a negative indication, then in the 90° angular position of the shaft the sensor indicator displays a value of −0.03 mm. If the dial indicator is zeroed in the top dead-center of journal no. ![]()
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