常用键槽标准

b（h9）hc或rL轴槽深t 毂槽深t1 圆角半径r 自6-822620 1.2+0.11+0.1 8-1033636 1.8+0.11.4+0.1 10-1244845 2.5+0.11.8+0.1 12-175510-56 3+0.12.3+0.1 17-226614-70 3.5+0.12.8+0.3 22-308718-90 4+0.23.3+0.2 30-3810822-110 5+0.23.3+0.2 38-4412828-140 5+0.23.3+0.2 44-5014936-160 5.5+0.23.8+0.2 50-58161045-180 6+0.24.3+0.2 58-65181150-200 7+0.24.4+0.2 65-75201256-220 7.5+0.24.9+0.2 75-85221463-250 9+0.25.4+0.2 85-95251470-280 9+0.25.4+0.2 95-110281680-320 10+0.26.4+0.2 110-130321890-360 11+0.27.4+0.2 130-1503620100-400 12+0.38.4+0.3 150-1704022100-400 13+0.39.4+0.3 170-2004525110-450 15+0.310.4+0.3 200-2305028125-500 17+0.311.4+0.3 230-2605632140-500 20+0.312.4+0.3 260-2906332160-500 20+0.312.4+0.3 290-3307036180-500 22+0.314.4+0.3 330-3808040200-500 25+0.315.4+0.3 380-4409045200-500 28+0.317.4+0.3 440-50010050250-500 31+0.319.5+0.3 轴径d 键的公称尺寸 注：轴槽探用d-t或t标注，毂槽深用d+t1标注。d-t偏差取负号 0.4-0.6 0.08-0.160.16-0.25 0.25-0.40.16-0.25 2.5-3 键标准 L系列 6 8 10 12 14 16 18 20 22 25 28 32 36 40 45 50 56 63 70 80 90 100 110 120 140 160 180 200 220 250 280 320 360 400 450 1-1.20.7-1.0 1.6-2.01.2-1.6 0.4-0.60.25-0.4 0.6-0.8 2-2.5 bhLd1槽长L 较紧联接H14 轴H9毂D10轴N9毂S9 轴与毂P9 3 0 -25 2 -60 （ 0- 25） 0 -100 +25 +60 +20 -4 -29 12.5 -6 -31 +250 3-6 0 -30 0 -75 （ 0- 30） 0 -120 +30 +78 +30 0 -30 15 -12 -42 +300 6-10 0 -36 0 -90 0 -360 0 -150 +36 +98 +40 0 -36 18 -15 -51 +360 10-18 0 -43 0 -110 0 -430 0 -180 +43 +120 +50 0 -43 21 -18 -61 +430 18-30 0 -52 0 -130 0 -520 0 -210 +52 +149 +65 0 -52 26 -22 -74 +520 30-50 0 -62 0 -160 0 -620 0 -250 +62 +180 +80 0 -62 31 -26 -88 +620 50-80 0 -74 0 -190 0 -740 0 -300 +74 +220 +100 0 -74 37 -32 -106 +740 80-120 0 -87 0 -220 0 -870 0 -350 +87 +260 +120 0 -87 43 -37 -124 +870 120-180 0 -100 0 -250 0 -1000 0 -400 +100 +305 +145 0 -100 50 -43 -143 +1000 180-250 0 -115 0 -290 0 -1150 0 -109 +115