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The design method of forming lathe tool for machining double T-shape rotor wheel groove was discussed in this paper and finally the keys for manufacturing are illuminated. 论述了双T形转子轮槽加工中所用成形车刀的设计方法及制造时关键要点。
In order to explore the causing of thermal deformation and theirs affecting degree, the T-shape groove dry gas seal in synthesis gas compressor was analyzed and researched as a model. 介绍二氧化碳压缩机高压缸的结构及运行中存在的问题，分析认为干气密封损坏主要原因是两侧径向瓦振值较高、止推瓦温度较高，提出改进措施。