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本文分析了用双球法测 t=1止端螺纹工作环规的中径时误差较大的原因,通过理论推导,给出了测球与螺纹相交时中径误差修正公式,并通过实验证实了所给公式的正确性。图4表2。
In this paper, the reason why the error of the diameter of the ring with t = 1 thread is only large when measured by the double ball method is analyzed. The correction formula for the diameter error when the ball and the thread intersect is given through theoretical deduction. The correctness of the given formula. Figure 4 Table 2.