The external inspirator is available to drive the resonator to produce traveling wave.Under resonant frequency the distortion of resonator reached a peak.

外激励的驱动方式可以使扁环型谐管产生有效的行波分，在谐下，谐管的综合变大。

The technique character of the baffle of inspirator was introduced.A feasible process plan was determined and the integral piercing blanking bending forming die was designed.

介绍了呼吸器挡板零件工艺特点,确定了合理的工艺方案,设计1副落料、冲孔、压弯三道工序一次成的模具。