深孔精加工中，珩磨是一种行之有效的加工工艺。

Honing is one of the effective processes in the machining accuracy deep hole.

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发动机缸孔平台网纹珩磨得是否合理和缸孔圆柱度的优劣直接影响到发动机的工况和寿命。

The honed cross hatch in cylinder bore of engine and the cylindricity of cylinder bore shall affect directly the operating mode and life of engine.

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针对珩磨孔加工的现状，设计了一种结构简单、易于制作的新珩磨头。

For current situation of the honing hole machining, design a simple structure and easy to produce new honing head.

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