标准键尺寸参数.doc

附录1. 平键 （GB 1096-79）平键的剖面及键槽（GB1095-79）标记示例：圆头普通平键（A型），b=18mm, h=11mm、L=100mm：键18100 GB 1096-79方头普通平键（B型），b=18mm, h=11mm、L=100mm：键B18100 GB 1096-79单圆头普通平键（C型），b=18mm, h=11mm、L=100mm：键C18100 GB 1096-79（mm）轴径d键的公称尺寸键槽深r小于轴轮毂bhLtt1自6861010122342346206368451.21.82.51.01.41.80.161217172222305685671056147018903.03.54.02.32.83.30.25303838444450505858651012141618889101122110281403616045180502005.05.05.56.07.03.33.33.84.34.40.4657575858595951101101302022252832121414161856220632507028080320903607.59.09.010.011.04.95.45.46.47.40.60130150150170170200200230364045502022252810040010040011045012550012.013.015.017.08.49.410.411.41.023026026029029033056637030323614020016050018050020.020.022.012.412.414.41.6330380380440440500809010040455020050022050025050025.028.031.015.417.419.52.5L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 注：1在工作目中轴槽深用 dt或 t标注，轮毂槽深用 dt1标注。2对于空心轴、阶梯轴、传递较低扭距及定位等特殊情况，允许大直径的轮选用较小剖面尺寸的键。 轴径键键槽dbh宽度深度半径b偏差轴毂较松一般较紧轴H9毂D10轴N8毂JS9轴毂P9t偏差t1偏差最大最小68222+0.0250+0.060+0.020-0.004-0.0290.0125-0.006-0.0311.2+0.101+0.100.080.168103331.81.41012444+0.0300+0.078+0.0300-0.0300.015-0.012-0.0422.51.812175553.02.30.160.2517226663.52.82230878+0.0360+0.098+0.0400-0.0360.018-0.015-0.0514.0+0.203.3+0.203038108105.03.30.250.40384412812+0.0430+0.120+0.0500-0.0430.0215-0.018-0.0615.03.34450149145.53.850581610166.04.358651811187.04.46575201220+0.0520+0.149+0.0650-0.0520.026-0.022-0.0747.54.90.400.6075852214229.05.485952514259.05.49511028162810.06.4110130321832+0.0620+0.180+0.0800-0.0620.031-0.026-0.08811.07.413015036203612.0+0.308.4+0.300.701.015017040224013.09.417020045254515.010.420023050285017.011.4230260563256+0.0740+0.220+0.1000-0.0740.0370.032-0.10620.012.41.21.626029063326320.012.429033070367022.014.433038080408025.015.4