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键/键槽加工尺寸


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轴径

键槽

JIS规范

JIS规范

JIS规范
  ( SHAFT / HOLE )

JIS规范
  ( SHAFT / HOLE )

S

A x B x C

A x B x C

t1

t2

t1

t2

11.0 ?

4 x 4 x C

4 x 4 x C

2.5 +0
           +0.1

1. 8 +0
           
 +0.1

2.5 +0
         
 +0.1

2. 0 +0
          
  +0.1

14.0 ?

5 x 5 x C

5 x 5 x C

3.0 +0
           +0.1

2.3 +0
           +0.1

3.0 +0
           +0.1

2.5 +0
           +0.1

18.0 ?

6 x 6 x C

6 x 6 x C

3.5 +0
           +0.1

2.8 +0
           +0.1

3.5 +0
           +0.1

3.0 +0
           +0.1

19.0 ?

6 x 6 x C

6 x 6 x C

3.5 +0
           +0.1

2.8 +0
            +0.1

3.5 +0
           +0.1

3.0 +0
           +0.1

22.0 ?

8 x 7 x C

7 x 7 x C

4.0 +0
           +0.2

3. 3 +0
            +0.2

4.0 +0
           +0.1

3.5 +0
           +0.1

24.0 ?

8 x 7 x C

8 x 7 x C

4.0 +0
            +0 .2

3.3 +0
          
 +0.2

4.0 +0
           +0.2

3.5 +0
           +0.2

28.0 ?

8 x 7 x C

8 x 7 x C

4.0 +0
           +0.2

3.3 +0
           +0.2

4.0 +0
           +0.2

3.5 +0
           +0.2

32.0 ?

10 x 8 x C

10 x 8 x C

5.0 +0
           +0.2

3.3 +0
           +0.2

4.5 +0
           +0.2

4.0 +0
           +0.2

40.0 ?

12 x 8 x C

12 x 8 x C

5.0 +0
           +0.2

3.3 +0
           +0.2

4.5 +0
           +0.2

4.0 +0
           +0.2

45.0 ?

14 x 9 x C

12 x 8 x C

5.5 +0
           +0.2

3.8 +0
           +0.2

4.5 +0
           +0.2

4.0 +0
           +0.2

50.0 ?

14 x 9 x C

15 x 10 x C

5.5 +0
           +0.2

3.8 +0
           +0.2

5.0 +0
           +0.2

5.5 +0
           +0.2

55.0 ?

16 x 10 x C

15 x 10 x C

6.0 +0
           +0.2

4.3 +0
           +0.2

5.0 +0
           +0.2

5.5 +0
           +0.2

65.0 ?

18 x 11 x C

18 x 12 x C

7.0 +0
           +0.2

4.4 +0
           +0.2

6.0 +0
           +0.2

6.5 +0
           +0.2

75.0 ?

20 x 12 x C

20 x 13 x C

7.5 +0
           +0.2

4.9 +0
           +0.2

7.0 +0
           +0.2

6.5 +0
           +0.2

90.0 ?

25 x 14 x C

24 x 16 x C

9.0 +0
           +0.2

5.4 +0
           +0.2

8.0 +0
           +0.2

8.5+0
          +0.2

100.0 ?

28 x 16 x C

28 x 18 x C

10.0 +0
             +0.2

6.4 +0
           +0.2

9.0 +0
           +0.2

10.0 +0
             +0.2

115.0 ?

28 x 16 x C

28 x 18 x C

10.0 +0
             +0.2

6.4 +0
           +0.2

9.0 +0
           +0.2

10.0 +0
             +0.2

125.0 ?

32 x 18 x C

32 x 20 x C

11.0 +0
             +0.2

7.4 +0
           +0.2

10.0 +0
             +0.2

11.0 +0
             +0.2