《互换性与测量技术基础》习题参考解答第二章 光滑圆柱体结合的公差与配合1. 孔或轴最大极限尺寸最小极限尺寸上偏差下偏差公差尺寸标注孔: Φ109.9859.970-0.015-0.0300.015Φ10孔: Φ1818.01718+0.01700.017Φ18孔: Φ3030.01229.991+0.012-0.0090.021Φ30轴: Φ4039.9539.888-0.050-0.1120.062Φ40轴: Φ6060.04160.011+0.041+0.0110.030Φ60轴: Φ858584.9780-0.0220.022Φ852. 1) Xmax = 0.033- (-0.098) = 0.131mm Xmin = 0 - (-0.065) = 0.065mmTf = | 0.131-0.065 | = 0.066mm2) Ymax = 0 – 0.060 = -0.060mm Ymin = 0.030 – 0.041 = -0.011mm Tf = | -0.060+0.011 | = 0.049mm3) Xmax = 0.007- (-0.016) =0.023mm Ymax = -0.018 – 0 = -0.018mm Tf = | 0.023 – (-0.018)| = 0.041mm4) Xmax = 0.039 - 0.002 = 0.037mm Ymax = 0 – 0.027 = -0.027mm Tf =|0.037 – (-0.027)| = 0.064mm5) Xmax = 0.074 – (-0.140) = 0.214mm Xmin = 0 - (-0.030) = +0.030mmTf =| 0.214 – 0.030 | = 0.184mm6) Xmax =0.009 – (-0.019) = 0.028mm Ymax = -0.021 – 0 = -0.021mmTf =| 0.028 – (-0.021) | = 0.049mm3. (1) Φ50 Xmax = 0.089mm Xmin = 0.025mm 基孔制、间隙配合 （2）Φ80 Xmax = 0.250mm Xmin = 0.010mm 基轴制、间隙配合（3）Φ30 Xmax = 0.019mm Ymax = -0.015mm 基轴制、过渡配合1第 2 题（4）Φ140 Ymax = -0.126mm Ymin = 0mm 基孔制、过盈配合（5）Φ180 Xmax = -0.235mm Ymin = -0.170mm 基孔制、过盈配合（6）Φ18 Xmax = 0.004mm Ymax = -0.015mm 基轴制、过渡配合（7）Φ50 Xmax = 0.033mm Ymax = -0.008mm 基孔制、过渡配合（8）Φ100 Xmax = 0.032mm Ymax = -0.025mm 基孔制、过渡配合（9）Φ30 Xmax = 0.006mm Ymax = -0.028mm 基孔制、过渡配合（10）Φ50 Xmax = 0.023mm Ymax = -0.018mm 基轴制、过渡配合4. (1) Φ60 (2) Φ30 (3) Φ50 (4) Φ30 (5) Φ505. Xmin = 0.025mm, Xmax = 0.066mm . ∴配合公差 Tf =| 0.066 –0.025| = 0.041mm ， Tf = Th + Ts ,选基孔制.查表，孔为 7 级，轴为 6 级 Th =0.025mm Ts = 0.016mm 符合要求.∴选 Φ40。...
