Abstract
Research of the titanium alloy installation sides used in combustion chambers of gas turbines resulted in the number of hot forging cycles being reduced, and the passing percentage of the produced installation sides was improved by using pneumatic forging equipment. The mechanical characteristics of the hot forging process were investigated, and mechanical equations were developed based on the thermo-force coupling principle and finite element method. The deformation process was simulated utilising computer-aided software, and based on the results, it was found that the parameters affecting the forming results included hammer speed, striking height and temperature. From this, a parameter variation range for reasonable strikes was proposed. A 3-month-long debugging process that involved more than 30 sets of experiments resulted in approximately 400 installation sides hot forged with a 100% product passing percentage. Moreover, the average number of strikes was reduced by 1·5 times.
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