Research Article
Dynamic Response of a Casting Crane Rigid-Flexible Coupling System to High Temperature
Table 5
Structural stress and safety evaluation results of main beam at different temperatures.
| | Temperature (°C) | Elastic modulus (MPa) | Yield strength (MPa) | Tensile strength (MPa) | Allowable stress (MPa) | Calculated stress (MPa) | Safety margin (MPa) | Evaluation result |
| | 20 | 2.06E + 05 | 357 | 410 | 217.56 | 124.3 | 93.26 | Safety | | 100 | 2.03E + 05 | 326 | 375 | 198.81 | | 74.51 | Safety | | 200 | 1.93E + 05 | 320 | 371.6 | 195.98 | | 71.68 | Safety | | 300 | 1.79E + 05 | 312.5 | 370 | 193.07 | | 68.77 | Safety | | 400 | 1.59E + 05 | 283 | 343.9 | 176.93 | | 52.63 | Safety | | 600 | 1.11E + 05 | 165 | 169 | 95.70 | | −28.6 | Failure |
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