Abstract: Brief introduction and canalization of the vibration and noise outoftolerance problems arisen during the prototype test for series YAX, and the suggestion for the prevention to them are given in t his paper.

• 文摘:本文简要介绍了YAX系列样机试制中遇到的振动、噪声超差问题，进行了原因分析，给出了拟采取的措施。