Early analysis and treatment help prevent catastrophic failure. Torsional problems with machinery trains have been compared to high blood pressure in humans - both issues often go undetected using common observation methods, and can eventually be catastrophic if left untreated. Once finally detected, the extra measures necessary to diagnose and remedy the situation are usually more dramatic than methods that could have been used at. an earlier stage. In the case of reciprocating machinery, the best cure involves a thorough torsional analysis undertaken early in the design stage, to avoid failures such as the example shown in Figure 1. This approach can help eliminate the need for retrofit solutions or repairs in the field, which can be costly and time consuming.
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