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符号D——孔径;D_e——调整环的直径;x——孔轴线方向上的锥体位移;y——垂直于孔轴线上测径规的偏移;α、α_0——角度符号;ω——锥角。1.测量仪特性曲线的测定规均位于一个圆的各 P 点上,并按直径 D 的大小移动α角。无论在孔壁还是在锥面上都能靠弹力保证仪器良好的性能。在 x 方向上出现的锥体位移是直径 D 的函数,并可用增量式精密指示器 IKF30测量并作进一步分析,其不可靠性为1μm。所需关系式为:y=f(x);此时,可由调整直径 D_e 得D=D_e+2y
Symbol D - Aperture diameter; D_e - Diameter of the adjustment ring; x - Cone displacement in the direction of axis of the hole; y - Offset of the caliper perpendicular to the hole axis; α, α_0 - Angle symbol; - cone angle. 1. Measuring instrument characteristic curve measurement rules are located in a circle at each P point, and according to the size of the diameter D of α angle. Whether in the hole wall or in the cone can rely on elastic to ensure good performance of the instrument. The cone displacement occurring in the x direction is a function of the diameter D and can be measured and further analyzed with an incremental precision indicator IKF30 with an unreliability of 1 μm. The required relationship is: y = f (x); At this point, by adjusting the diameter D_e D = D_e + 2y