Abstract
AbstractA computer simulation for a standard CRT shock test was established. The mask/frame/spring assembly was simulated and the previously recorded acceleration history is entered through holes in the springs that connect with the stud‐pins. Using the ‘unit cell’ method, the elastic and plastic mechanical properties of the screen side of the mask are calculated. Real shock tests were done to verify the simulated ‘limit acceleration level’ of the shadow mask assembly. The simulation was used to find the effect of various design parameters, such as screen beads and the location of welding points. Design changes to improve the overall shock resistance of a CRT were found.
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