标准键(设计手册).doc

键的标准件轴径键键 槽公称直径d公称尺寸bxh公称尺寸b宽 度深 度偏 差轴毂较松键连接一般键联接较紧键连接轴H9毂D10轴N9毂JS9轴和毂P9t极限偏差t1极限公差682x22+0.0250+0.060+0.020-0.004-0.0290.0125-0.006-0.0311.2+0.101+0.108103x331.81.410124x44+0.0300+0.078+0.0300-0.0300.015-0.012-0.0422.51.812175x553.02.317226x663.52.822308x78+0.0360+0.098+0.0400-0.0360.018-0.015-0.0514.0+0.203.3+0.20303810x8105.03.3384412x812+0.0430+0.012+0.0500-0.0430.0215-0.018-0.0615.03.3445014x9145.53.8505816x10166.04.3586518x11187.04.4657520x1220+0.0520+0.149+0.0650-0.0520.026-0.022-0.0747.54.9758522x14229.05.4859525x14259.05.49511028x162810.06.411013032x1832+0.0620+0.180+0.0800-0.0620.031-0.026-0.08811.07.413015036x203612.0+0.308.4+0.3015017040x224013.09.417020045x254515.010.420023050x285017.011.423026056x3256+0.0740+0.220+0.1000-0.0740.037-0.032-0.1062012.426029063x326320.012.429033070x367022.014.433038080x408025.015.438044090x4590+0.0870+0.260+0.1200-0.0870.0435-0.037-0.12428.017.4440500100x5010031.019.5注:普通平键,导向平键和键槽尺寸及公差应符合本标准的规定 平键轴槽长度公差用H14L:长B:宽H:厚L的系列：6、8、10、12、14、16、18、20、22、25、32、36、40、45、50、56、63、70、80、90、100、110、125、140、160孔用弹性挡圈孔径d0沟 槽 (推荐)d 2mn 基本尺寸极限偏差基本尺寸极限偏差88.4+0.0900.7+0.14 00.699.41010.4+0.11 00.91111.41212.50.91313.61414.61.11515.71.21616.81717.81819 +0.13 01.519202021212222232425.2+0.21 01.31.82526.22627.22829.42.13031.4+0.25 03132.72.63233.73435.71.7353733638373938404042.53.84244.54547.54749.54850.5+0.30 050532.24.5525555585659586160636265636665682.76871轴用弹性挡圈轴径d0沟 槽 (推荐)d 2mn 基本尺寸极限偏差基本尺寸极限偏差54.80-0.0480.7+0.1400.365.70.576.7 0-0.05887.60.90.698.6109.61.11110.5 0-0.110.81211.51312.40.91413.41514.31.11615.21.21716.218171.5191820190 -0.13212022212422.9 0-0.211.31.72523.92624.92.12826.62927.63028.63230.30-0.252.63432.31.7353333634373538364037.53.84239.54542.54845.550472