提出了珩磨杆、珩磨头体均不振动的设计思想，分析计算了中心有圆柱孔的压电换能器和变幅杆，以及弯曲振动圆盘等关键部分。
Key parts including piezoelectric transducer and amplitude transformer with a cylindrical hole in the center, and flexural vibration disk are analyzed and calculated.
磨头座、滑动系统采用进口的双直线导轨、双滚珠丝杆传动，以达到运行速度平稳、消除移动间隙(位移)。
Grinding head on, sliding imports of dual-use system linear guide, two-ball screw drive, to achieve the smooth running speed to eliminate mobile space (displacement).
再利用模糊可靠性理论计算管杆偏磨失效寿命指标和模糊可靠性指标，最后对其进行综合分析。
At last I calculate the life indexes and fuzzy reliability indexes of side-abrasion failure of rod string failure, and analyze them generally.
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