11章 键和花键的互换性
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互换性与测量技术基础第四版答案(总19页)--本页仅作预览文档封面,使用时请删除本页--《互换性与测量技术基础》习题参考解答(第3版)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: Φ10 Φ10015.0030.0--孔: Φ18 18 + 0 Φ18017.00+孔: Φ30 + Φ30012.0009.0+- 轴: Φ40 Φ40050.0112.0--轴: Φ60 + + Φ60041.0011.0++轴: Φ85 85Φ850022.0-max X min = 0 - =T f = | | = 2) Y max = 0 – = Y min = – = T f = | + | = 3) X max = = Y max = – 0 = T f = | – | = 4) X max = - = Y max = 0 – = T f =| – | = 5) X max = – = X min = 0 - = +T f =| – | = 6) X max = – = Y max = – 0 = T f =| – | =3. (1) Φ50)(7f )(8H 025.0050.0039.00--+ Xmax = Xmin = 基孔制、间隙配合 (2)Φ80)(10h )(10G 0120.0130.0010.0-++ Xmax = Xmin = 基轴制、间隙配合 (3)Φ30)(6h )(7K 0013.0006.0015.0-+- X max = Y max = 基轴制、过渡配合 (4)Φ140)(8r )(8H 126.0063.0063.00+++ Y max = Y min = 0mm 基孔制、过盈配合 第2题(5)Φ180)(6u )(7H 235.0210.0040.00+++ X max = Y min = 基孔制、过盈配合 (6)Φ18)(5h )(6M 0008.0004.0015.0--- X max = Y max = 基轴制、过渡配合 (7)Φ50)(6js )(7H 008.0008.0025.00+-+ X max = Y max = 基孔制、过渡配合 (8)Φ100)(6k )(7H 025.0003.0035.00+++ X max = Y max = 基孔制、过渡配合 (9)Φ30)(6n )(7H 028.0015.0021.00+++ X max = Y max = 基孔制、过渡配合 (10)Φ50)(6h )(7K 0016.0007.0018.0-+- X max = Y max = 基轴制、过渡配合 4. (1) Φ60)(9h )(9D 0074.0174.0100.0-++ (2) Φ30)(8h )(8F 0033.0053.0020.0-++ (3) Φ50)(6k )(7H 018.0002.0025.00+++ (4) Φ30)(6s )(7H 048.0035.0021.00+++ (5) Φ50)(6h )(7U 0016.0061.0086.0--- 5. ∵ X min = , X max = . ∴配合公差T f =| –| = ,∵T f = T h + T s ,选基孔制.查表,孔为7级,轴为6级T h = T s = 符合要求.∴选Φ40)(6f )(7H 025.0041.0025.00--+。