平键和键槽的尺寸表(GB1095-79)表格文件下载.xls

平键和键槽的尺寸表(GB1095-79)表格文件下载.xls

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平平键键和和键键槽槽的的剖剖面面尺尺寸寸（GB1095-79）（GB1095-79）剖视图：

@#@单位:

@#@mm轴径键键槽dbh宽度深度半径rb偏差轴毂较松键联接一般键联接较紧键联接轴H9毂D10轴N9毂JS9轴和毂P9t偏差t1偏差最小最大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+0.108+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+0.1000-0.0740.037-0.032-0.10620.012.41.21.626029063326320.012.429033070367022.014.433038080408025.015.42.02.5380440904590+0.0870+0.260+0.1200-0.0870.0435-0.037-0.12428.017.44405001005010031.019.5平平键键和和键键槽槽的的剖剖面面尺尺寸寸（GB1095-79）（GB1095-79）单位:

@#@mm轴径键键槽dbh宽度深度半径rb偏差轴毂较松键联接一般键联接较紧键联接轴H9毂D10轴N9毂JS9轴和毂P9t偏差t1偏差最小最大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+0.108+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+0.1000-0.0740.037-0.032-0.10620.012.41.21.626029063326320.012.429033070367022.014.433038080408025.015.42.02.5380440904590+0.0870+0.260+0.1200-0.0870.0435-0.037-0.12428.017.44405001005010031.019.5注：

@#@1在工作中轴槽深用t或（d-t）标注，轮毂槽深用（d+t1）标注。

@#@2（d-t）和（d+t1）的偏差按相应的t和t1的偏差选取，但（d-t）的偏差值应取负号。

@#@3除轴伸外，在保证传递所需转矩条件下，允许采用较小剖面的键。

@#@但t和t1的数值必要时应重新计算,使轴槽及轮毂槽与键的接触高度各为h/2。

@#@4表中“较松键联接”的偏差值适用于导向平键的联接。

@#@5平键轴槽的长度偏差用H14。

@#@6轴槽及轮毂槽宽b对轴及轮毂轴心线的对称度公差按79级（GB1184-80）选取。

@#@7当平键的长度与宽度之比L/b8时，键的两侧面在长度方向的平行度公差应符合下列规定：

@#@b6mm，按7级；@#@b836mm，按6级（GB1184-80附录）；@#@b40mm，按5级。

@#@