平键尺寸

轴径 键 宽 度 键 槽 深 度 半径 轴 较松 b 轴H9 毂D10 轴N8 毂JS9 轴毂P9 t 偏差 t1 偏最最差 大 小 一般 较紧 毂 偏 差 d b×h 6~8 ＞8~10 ＞10~12 ＞12~17 ＞17~22 ＞22~30 ＞30~38 ＞38~44 ＞44~50 ＞50~58 ＞58~65 ＞65~75 ＞75~85 ＞85~95 ＞95~110 ＞110~130 ＞130~150 ＞150~170 ＞170~200 ＞200~230 ＞230~260 ＞260~290 ＞290~330 ＞330~380 ＞380~440 ＞440~500 2×2 3×3 4×4 5×5 6×6 8×7 2 3 4 5 6 8 +0.025 +0.060 -0.004 0 +0.020 -0.029 ±0.0125 -0.006 1.2 -0.031 1.8 2.5 +0.1 0 -0.012 -0.042 1 1.4 1.8 2.3 2.8 3.3 3.3 3.3 3.8 4.3 +0.2 0 4.4 4.9 5.4 5.4 6.4 7.4 8.4 9.4 10.4 11.4 0.70 1.0 0.40 0.60 +0.2 0 0.25 0.40 0.16 0.25 0.08 0.16 +0.1 0 +0.030 +0.078 0 0 +0.030 -0.030 ±0.015 3.0 3.5 +0.036 +0.098 0 +0.040 -0.036 10×8 10 0 12×8 12 ±0.018 -0.015 4.0 -0.051 5.0 5.0 14×9 14 +0.043 +0.120 0 16×10 16 0 18×11 18 20×12 20 22×14 22 +0.052 +0.149 0 25×14 25 0 28×16 28 32×18 32 36×20 36 40×22 40 45×25 45 50×28 50 56×32 56 63×32 63 +0.074 +0.220 0 70×36 70 0 80×40 80 90×45 90 +0.087 +0.260 0 100×50 100 0 +0.120 -0.087 +0.100 -0.074 +0.062 +0.180 0 0 +0.080 -0.062 +0.065 -0.052 +0.050 -0.043 ±0.0215 -0.018 5.5 -0.061 6.0 7.0 7.5 ±0.026 -0.022 9.0 -0.074 9.0 10.0 11.0 12.0 -0.026 -0.088 ±0.031 13.0 15.0 17.0 20.0 +0.3 12.4 +0.3 ±0.037 0.032 20.0 0 -0.106 22.0 25.0 ±0.0135 -0.037 28.0 -0.124 31.0 12.4 0 14.4 15.4 17.4 19.5 2.0 2.5 1.2 1.6 来自: http://hi.baidu.com/%B7%E1%C4%FE%EE%DA%D4%DA%D2%BB%C6%F0/blog/item/8519065138011b888d5430af.html 轴径 键 宽 度 偏 差 d b×h b 轴H9 毂D10 轴N8 毂JS9 轴毂P9 t 偏差 t1 偏最最差 大 小 轴 较松 一般 较紧 毂 键 槽 深 度 半径 6~8 ＞8~10 ＞10~12 ＞12~17 ＞17~22 ＞22~30 ＞30~38 ＞38~44 ＞44~50 ＞50~58 ＞58~65 ＞65~75 ＞75~85 ＞85~95 ＞95~110 ＞110~130 ＞130~150 ＞150~170 ＞170~200 ＞200~230 ＞230~260 ＞260~290 ＞290~330 ＞330~380 ＞380~440 ＞440~500 2×2 3×3 4×4 5×5 6×6 8×7 2 3 4 5 6 8 +0.025 +0.060 -0.004 0 +0.020 -0.029 ±0.0125 -0.006 1.2 -0.031 1.8 2.5 +0.1 0 -0.012 -0.042 1 1.4 1.8 2.3 2.8 3.3 3.3 3.3 3.8 4.3 +0.2 0 4.4 4.9 5.4 5.4 6.4 7.4 8.4 9.4 10.4 11.4 0.70 1.0 0.40 0.60 +0.2 0 0.25 0.40 0.16 0.25 0.08 0.16 +0.1 0 +0.030 +0.078 0 0 +0.030 -0.030 ±0.015 3.0 3.5 +0.036 +0.098 0 +0.040 -0.036 10×8 10 0 12×8 12 ±0.018 -0.015 4.0 -0.051 5.0 5.0 14×9 14 +0.043 +0.120 0 16×10 16 0 18×11 18 20×12 20 22×14 22 +0.052 +0.149 0 25×14 25 0 28×16 28 32×18 32 36×20 36 40×22 40 45×25 45 50×28 50 56×32 56 63×32 63 +0.074 +0.220 0 70×36 70 0 80×40 80 90×45 90 +0.087 +0.260 0 100×50 100 0 +0.120 -0.087 +0.100 -0.074 +0.062 +0.180 0 0 +0.080 -0.062 +0.065 -0.052 +0.050 -0.043 ±0.0215 -0.018 5.5 -0.061 6.0 7.0 7.5 ±0.026 -0.022 9.0 -0.074 9.0 10.0 11.0 12.0 -0.026 -0.088 ±0.031 13.0 15.0 17.0 20.0 +0.3 12.4 +0.3 ±0.037 0.032 20.0 0 -0.106 22.0 25.0 ±0.0135 -0.037 28.0 -0.124 31.0 12.4 0 14.4 15.4 17.4 19.5 2.0 2.5 1.2 1.6