机筒在五轴加工中心上精密加工，内孔和销孔定位准确，精密度高。
Machine barrels are precisely processed at the Five-ax Machining Center with high accuracy and locations of inner bore and pinhole are nicety.
分析和应用结果表明，造成销孔凸缘裂纹的原因是制造过程中定位误差等引起的冲击力、销孔的凸缘曲线结构不合理及应力三个因素引起的。
The result of the analysis and application show that the crack of pinhole rib is caused by the impact produced by fix error, the unreasonable structure of pinhole rib and internal stress.
阐述了定位销和定位孔引起工件的定位误差对零件轮廓边切割偏差的影响机理。
This paper expatiated on the influencing mechanism of part's outline cutting deviation due to the locating faults owing to the locating pins and locating holes.
在夹具设计方面采用“一面两销”的定位方案保证被加工孔的准确定位和尺寸精度。
In the jig aspect, we use the "two sells at the same face" for the localization plan. Only this way, we can guarantee the hole the accurate localization and the size precision.
决定后轮定位参数的主要是与纵摆臂中制动鼓定位销轴空间有关的轴和孔的加工精度。
Machining precisions of axles and holes correlating with the space position of brake drum's positioning dowel on the trailing arm are the main factors determining the rear wheel alignment parameters.
构建了基于计算机视觉的齿形链链板的测量系统，对直线和圆的边缘定位，提出了新的亚像素算法，计算了齿形链链板的销孔直径及圆度误差、链板节距和两直边夹角，对测量结果进行了误差分析。
The measurement system on chain board of tooth shape chain was established based on computer vision, and a new kind of sub-pixel algorithm for edge orientation of beeline and circle was put forward.
构建了基于计算机视觉的齿形链链板的测量系统，对直线和圆的边缘定位，提出了新的亚像素算法，计算了齿形链链板的销孔直径及圆度误差、链板节距和两直边夹角，对测量结果进行了误差分析。
The measurement system on chain board of tooth shape chain was established based on computer vision, and a new kind of sub-pixel algorithm for edge orientation of beeline and circle was put forward.
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