外圆无心磨削是不定心的磨削，由托板支承靠工件自身外圆定位进行磨削。
It's orientated by outer circle of workpiece itself and grinded by support of a supporting plate.
建立了外圆无心磨削工件中心最佳高度计算模型；
The method of double sides grinding is adopted, the calculation model of the center of the work piece best height is established.
建立了外圆无心磨削工件中心最佳高度计算模型；
The method of double sides grinding is adopted, the calculation model of the center of the work piece best height is established.
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