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本文通过对锅炉螺纹烟管的大量试验和长期的应用实践,确定了螺纹烟管合理的轧制圆弧半径R值,分析了螺纹外凹深度e’和内凸高度e之间的关系,并探讨了内凸高度e值的测量方法。
In this paper, a large number of tests and long-term application of the boiler threaded pipe smoke to determine the reasonable radius of the rolled tobacco pipe R value, the relationship between the depth of the thread recess e ’and the convex height e The method of measuring the height of convexity e is discussed.