锥度键扭矩传递;鞍形键、尺寸和应用

尺寸图和技术图

1631_3383.jpg

关键尺寸和技术参数

Dimensions in mm - source Din 6881 1956

key width b h9 8 10 12 14 16 18 20 22 25 28 32 36
key heigth h nom 3.5 4 4 4.5 5 5 6 7 7 7.5 8.5 9
for shaft diameters d (over÷to) 22÷30 30÷38 38÷44 44÷50 50÷58 58÷65 65÷75 75÷85 85÷95 95÷110 110÷130 130÷150
groove width b D 10 8 10 12 14 16 18 20 22 25 28 32 36
radius r1 15 19 22 25 29 33 38 43 48 55 65 75
groove depth t2 3.2 3.7 3.7 4 4.5 4.5 5.5 6.5 6.4 6.9 7.9 8.4

Din 6881 - ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items

key width b 8 10 12 14 16 18 20 22 25 28 32 36
key heigth h 3.5 4 4 4.5 5 5 6 7 7 7.5 8.5 9
nominal length l
20 4.65
22 5.10
25 5.77 8.28
28 6.43 9.25
32 7.32 10.5 12.8
36 8.18 11.8 14.3
40 9.05 13 15.8 21.1
45 10.1 14.6 17.7 23.6 30.1
50 11.2 16.1 19.5 26.1 33.2 38.1
56 12.4 17.9 21.7 29.1 37 42.4 56.4
63 13.8 19.9 24.3 32.4 41.3 47.4 63.2 80.8
70 15.2 22 26.8 35.8 45.7 52.3 69.7 89.5 103
80 17.1 24.8 30.2 40.5 51.7 59.2 79.2 102 117 142
90 18.9 27.5 33.5 45.1 57.6 66.2 88.3 113 130 158 204
100 30.2 36.7 49.4 63.4 72.7 97.3 125 144 175 226 271
110 32.8 40 53.8 69 79.3 106 137 157 191 247 297
125 44.5 60.2 77.3 88.7 119 154 177 215 278 334
140 48.8 66.2 85.2 98 132 170 196 238 309 371
160 73.6 95.3 110 148 192 221 269 349 420
180 105 121 164 213 245 299 388 468
200 131 179 233 268 328 426 513
220 193 252 291 356 464 558
250 281 323 396 517 625
280 354 433 568 687
315 475 625 758
355 687 834
400 915