The rabbet for install the outer must be H7 tolerance, ensure a high axiality.
工件机壁孔之公差必须为H7，保证内外环较高同轴度。
This article introduces relation, substitution and implement of radial run-out tolerance and axiality tolerance with legend and production process.
结合图例和生产工艺论述了径向跳动公差与同轴度公差的关系、取代及工艺实施。
What's more, machining first small holes and then taking the machined small holes as the guide when machining large holes can ensure a good axiality.
另外，先加工小孔，加工大孔时再以小孔作导向，能保证良好的同轴度。
What's more, machining first small holes and then taking the machined small holes as the guide when machining large holes can ensure a good axiality.
另外，先加工小孔，加工大孔时再以小孔作导向，能保证良好的同轴度。
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