Health monitoring method for steel ring of port machinery based on unit compromise coefficient to correct residual stress
A technology of residual stress and health monitoring, applied in the health monitoring of port machinery steel rings, based on the unit compromise coefficient to correct the residual stress field, can solve the problems of low monitoring efficiency and low accuracy, improve accuracy and efficiency, and avoid limitations Effect
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[0036] Such as figure 1 As shown, this embodiment is based on the unit compromise coefficient to correct the residual stress monitoring method for the health status of the steel ring of the port machine. The method includes the following steps:
[0037] S1. Residual stress measurement of key areas of port machinery steel ring:
[0038] According to experience, the common vulnerable areas of port machine steel rings are determined, the corresponding port machine steel ring areas are marked, and X-ray residual stress measuring devices are arranged in the common damage marked areas to collect X, Y, The residual stress values in the three directions of Z, namely: σ rix , σ riy , σ riz .
[0039] S2. Determination of the direction of the main element of residual stress:
[0040] On the basis of S1, substitute the following formula for the residual stress direction coefficient Q of each damaged area in the X, Y, and Z directions αi , Q βi , Q γi Perform the calculation and...
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