: Defines the limits for "allowable" internal discontinuities and specifies what qualifies as a rejection. How to Access the PDF
: Requirements for the medium (e.g., water, oil, or grease) used to transmit sound between the probe and the tire surface. 3. Examination Procedures The report outlines two primary scanning methods:
During the manufacturing and service life of a wheel, stress concentrations can build up, particularly in the groove area between the wheel rim and the plate (the web). If left unchecked, fatigue cracks can initiate in this zone. Because this area is visually obscured or difficult to assess externally, Ultrasonic Testing (UT) is required to "see" inside the metal structure.