45型滚丝轮的尺寸      (mm)

被加工螺纹公称直径d

中径d₂

宽度L

螺距P

滚丝轮

螺纹头数Z

倒角

第一系列

第二系列

k_r

f

3

144.450

30

0.5

54

25°

0.8

3.5

143.060

0.6

46

1.0

4

141.800

0.7

40

4.5

140.455

0.75

35

1.2

5

143.360

0.8

32

6

144.450

30；40

1.0

27

1.5

8

143.760

1.25

20

2.0

10

144.416

40；50

1.5

16

2.5

12

141.219

1.75

13

14

139.711

40；60

2.0

11

3.0

16

147.010

10

18

147.384

40；60

2.5

9

4.0

20

147.008

8

22

142.632

7

8

147.000

30；40

1.0

20

1.5

10

149.600

40；50

16

12

147.550

13

14

146.850

50；70

11

16

138.150

9

10

147.008

40；50

1.25

16

2.0

12

145.444

13

14

145.068

50；70

11

12

143.338

40；50

1.5

13

2.5

14

143.286

50；70

11

16

150.260

10

18

136.208

50；70

8

2.5

20

133.182

7

22

147.182

24

138.156

6

27

130.130

5

30

145.130

33

128.104

4

36

140.104

39

114.078

3

18

150.309

40；60

2.0

9

3.0

20

149.608

8

22

144.907

7

3.0

24

136.206

6

27

128.505

5

30

143.505

33

126.804

4

36

138.804

39

113.103

3