On the basis of error propagation theory, the precision of quality control points of jacket is studied and the precision specifications are derived from general dimensional tolerance in jacket fabrication.

• 摘要文章根据误差传播理论，对导管架质量控制点本身的精度进行探讨，并由导管架制造完工尺寸公差要求，导出控制点应达到的精度指标。