翼片超塑性等温精锻时加热装置的设计与计算

Design and calculation of a heating device for isothermal finish forging of wing

本文分析了大型翼片件采用超塑性等温精锻成型的可行性。并叙述了内加热装置的热力学计算和电热元件的设计。通过工艺试验表明,内加热装置适用于大型锻件的等温加热。

The paper explains the feasibility of finish forging for big wings under the isothermal and superplastic conditions, states the thermodynamics calculation of internal heating device concerned and the design of electroheat elements. After technical test it has expressed that such internal heating devices are suitable for the isothermal heating of big forgings.