技术图纸。定向和定位公差。投影的公差带。
Technical drawings. Tolerancing of orientation and location. Projected tolerance zone.
第三章：建立圆柱要素尺寸公差、形状公差、定向公差和定位公差的数学模型。
In the third chapter, mathematical model of size tolerance, form tolerance, orientation tolerance and location tolerance of cylindrical feature was established.
通过对浪形保持架冲孔模的改进，保持架定位准确，保证了铆钉孔位置公差，达到了工艺要求。
Through the improvement of the piercing die for the wave-shaped cage, cage positioning became accurate, the position tolerances of rivet holes were ensured, and technical requirements were met.
由于这些允许的用法非常宽松的公差，极端三轮车帧定位将不会是一个关键问题。
Since the usage of these bearings allows very loose tolerances, extreme trike frame alignment will not be a critical issue.
由于这些允许的用法非常宽松的公差，极端三轮车帧定位将不会是一个关键问题。
Since the usage of these bearings allows very loose tolerances, extreme trike frame alignment will not be a critical issue.
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