常用键槽标准

b（h9）h c或r L 轴槽深t 毂槽深t 1圆角半径r 自6-8

226~20 1.2+0.11+0.1＞8-10

336~36 1.8+0.1 1.4+0.1＞10-12

448~45 2.5+0.1 1.8+0.1＞12-17

5510-563+0.1 2.3+0.1＞17-22

6614-70 3.5+0.1 2.8+0.3＞22-30

8718-904+0.2 3.3+0.2＞30-38

10822-1105+0.2 3.3+0.2＞38-44

12828-1405+0.2 3.3+0.2＞44-50

14936-160 5.5+0.2 3.8+0.2＞50-58

161045-1806+0.2 4.3+0.2＞58-65

181150-2007+0.2 4.4+0.2＞65-75

201256-2207.5+0.2 4.9+0.2＞75-85

221463-2509+0.2 5.4+0.2＞85-95

251470-2809+0.2 5.4+0.2＞95-110

281680-32010+0.2 6.4+0.2＞110-130

321890-36011+0.27.4+0.2＞130-150

3620100-40012+0.38.4+0.3＞150-170

4022100-40013+0.39.4+0.3＞170-200

4525110-45015+0.310.4+0.3＞200-230

5028125-50017+0.311.4+0.3＞230-260

5632140-50020+0.312.4+0.3＞260-290

6332160-50020+0.312.4+0.3＞290-330

7036180-50022+0.314.4+0.3＞330-380

8040200-50025+0.315.4+0.3＞380-440

9045200-50028+0.317.4+0.3＞440-500

10050250-50031+0.319.5+0.3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

0.4-0.60.08-0.160.16-0.250.25-0.40.16-0.250.4-0.60.25-0.40.6-0.8轴径d

键的公称尺寸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

1-1.20.7-1.01.6-2.0 1.2-1.62.5-32-2.5

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