具有互换性高、制造工艺与几何形状无关、周期短、成本低、设计制造一体化的优点。

This technology has many advantages such as high interchangeability, manufacturing process can ignore the geometry, short cycle, low cost, integrated design etc.

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为了允许在制造过程中必然会发生的精度变化，并提供零件的互换性和正确功能，一个公差系统是必需的。

A system of tolerances is necessary to allow for the variations in accuracy that are bound to occur during manufacture, and still provide for interchangeability and correct function of the part.

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