Measuring for large Dia. Straight welded pipe of geometric straightness and section circularity(shape and position error)were not solution well at home and abroad,but the on-line measuring of large Dia.
大直径直缝焊管形位误差的在线测量,包括钢管母线直线度和钢管截面圆度的测量国内外都没有很好的解决,而大直径焊管的在线测量是当今焊管校直的重要一环,也是焊管校直过程中需要面对的技术难题。
参考来源 - 基于LabVIEW的大直径直缝焊管的在线检测系统·2,447,543篇论文数据，部分数据来源于NoteExpress
The shape and position error measurement uncertainty impacts the reliability of measurement result.
零件的形位误差往往是影响整台机器工作质量的关键。
Using these equations, not only can calculate values of shape error and position of maximum shape error? but also can control values and position of maximum shape error.
应用此方程，不仅能定量的算出面形误差、确定面形误差最大值的位置，而且还能控制面形误差的大小和位置。
The profile error is the item which applies widespread but difficult to measure and evaluate in country standard and international standard of the components shape error and position error.
轮廓度误差是零件形位公差国家标准和国际标准中应用广泛而又难于测量和评定的项目。
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