mating parts

Allowance , An intentional difference in sizes of two mating parts.

两个配件之间的预留的尺寸差.

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fretting damage exists on tightly mating parts at large, which is one of the disaster reason making components and parts fail.

微动损伤普遍存在于紧密配合部件中，是造成零部件失效的主要祸患之一。

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In mass production, where mating parts must be interchangeable, unilateral tolerances are customary.

在大规模生产中, 要求互相配合的零件时可互换的, 因此单向公差更合适.

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friction alone between the mating parts of the assembly shall not be acceptable as a means to prevent turning.

利用两配合部件之间的摩擦来作为防止扭转的一种方式是不能接受的。

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in mass production, where mating parts must be interchangeable , unilateral tolerances are customary.

在大规模生产中，要求互相配合的零件时可互换的，因此单向公差更合适。

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proper torquing avoids elastic separation of the mating parts under load and resists gradual loosening over time.

扭矩正确，就能防止配合部件在负荷作用下出现弹性分离，并防止部件在长期运转过程中逐渐松动。

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secondly, it is used as a method of obtaining very close fits between mating parts such as pistons and cylinders.

其次，它能用作获得像活塞与气缸之类配件间过盈配合的方法。

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d. assemblies or to create friction between mating parts.

装置，在配套部件间产生摩擦力。

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it is the minimum clearance space intended between mating parts and represents the condition of tightest permissible fit.

它是配合零件之间最小的预期间隙空间，代表着允许的最紧配合条件。

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The cross-sectional area of the flow path between mating parts of the traditional 60 ° or 90 ° conical angle needle valve of fuel injector is decreasing towards the interior side. This feature limits the fuel discharge per stroke.

众所周知，传统的喷油器的针阀锥角为60°或90°，它的阀座流道的流通面积向下逐渐减小，这就限制了每循环喷油量。

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To have an interference or force fit between mating parts, the tolerances must be such as to create a zero or negative allowance.

为了使配合零件之间具有过盈或强制配合，公差必须产生零或负允差。

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