基础尺寸  m＝2.5mm                                                                单位：mm

基准

直径

齿数

节圆

直径

基圆

直径

变位量

齿槽

齿厚

内花键直径

外花键直径

齿根圆

直径

齿根圆

直径

偏差

齿  根

成形圆

直径

顶圆

直径

顶圆

直径

齿  根

成形圆

直径

齿根圆

直径

齿根圆

直径

偏差

d_B

z

d

d_b

x₁·m

e₂＝s₁

d_f2

A_df2

d_Ff2

min.

d_a2

d_a1

d_Ff1

max.

d_f1

A_df1

20

6

15.0

12.990

1.125

5.226

20

0.61

19.56

15

19.5

14.94

14.50

-0.89

22

7

17.5

15.155

0.875

4.937

22

0.61

21.56

17

21.5

16.94

16.50

-0.89

25

8

20.0

17.321

1.125

5.226

25

0.61

24.56

20

24.5

19.94

19.50

-0.89

28

10

25.0

21.651

0.125

4.071

28

0.62

27.57

23

27.5

22.93

22.50

-0.93

30

10

25.0

21.651

1.125

5.226

30

0.62

29.57

25

29.5

24.93

24.50

-0.93

32

11

27.5

23.816

0.875

4.937

32

0.62

31.57

27

31.5

26.93

26.50

-0.93

35

12

30.0

25.981

1.125

5.226

35

0.62

34.57

30

34.5

29.93

29.50

-0.93

37

13

32.5

28.146

0.875

4.937

37

0.62

36.57

32

36.5

31.93

31.50

-0.93

38

14

35.0

30.311

0.125

4.071

38

0.62

37.57

33

37.5

32.93

32.50

-0.93

40

14

35.0

30.311

1.125

5.226

40

0.62

39.57

35

39.5

34.93

34.50

-0.93

42

15

37.5

32.476

0.875

4.937

42

0.62

41.57

37

41.5

36.93

36.50

-0.93

45

16

40.0

34.641

1.125

5.226

45

0.62

44.57

40

44.5

39.93

39.50

-0.93

47

17

42.5

36.806

0.875

4.937

47

0.62

46.57

42

46.5

41.93

41.50

-0.93

48

18

45.0

38.971

0.125

4.071

48

0.62

47.57

43

47.5

42.93

42.50

-0.93

50

18

45.0

38.971

1.125

5.226

50

0.62

49.57

45

49.5

44.93

44.50

-0.93

52

19

47.5

41.136

0.875

4.937

52

0.64

51.58

47

51.5

46.92

46.50

-0.99

55

20

50.0

43.301

1.125

5.226

55

0.64

54.58

50

54.5

49.92

49.50

-0.99

58

22

55.0

47.631

0.125

4.071

58

0.64

57.58

53

57.5

52.92

52.50

-0.99

60

22

55.0

47.631

1.125

5.226

60

0.64

59.58

55

59.5

54.92

54.50

-0.99

62

23

57.5

49.796

0.875

4.937

62

0.64

61.58

57

61.5

56.92

56.50

-0.99

65

24

60.0

51.962

1.125

5.226

65

0.64

64.58

60

64.5

59.92

59.50

-0.99

68

26

65.0

56.292

0.125

4.071

68

0.64

67.58

63

67.5

62.92

62.50

-0.99

70

26

65.0

56.292

1.125

5.226

70

0.64

69.58

65

69.5

64.92

64.50

-0.99

72

27

67.5

58.457

0.875

4.937

72

0.64

71.58

67

71.5

66.92

66.50

-0.99

75

28

70.0

60.622

1.125

5.226

75

0.64

74.58

70

74.5

69.92

69.50

-0.99

78

30

75.0

64.952

0.125

4.071

78

0.64

77.58

73

77.5

72.92

72.50

-0.99

80

30

75.0

64.952

1.125

5.226

80

0.64

79.58

75

79.5

74.92

74.50

-0.99

82

31

77.5

67.117

0.875

4.937

82

0.64

81.58

77

81.5

76.92

76.50

-0.99

85

32

80.0

69.282

1.125

5.226

85

0.64

84.58

80

84.5

79.92

79.50

-0.99

88

34

85.0

73.612

0.125

4.071

88

0.64

87.58

83

87.5

82.92

82.50

-0.99

90

34

85.0

73.612

1.125

5.226

90

0.64

89.58

85

89.5

84.92

84.50

-0.99

92

35

87.5

75.777

0.875

4.937

92

0.64

91.58

87

91.5

86.92

86.50

-0.99

95

36

90.0

77.942

1.125

5.226

95

0.64

94.58

90

94.5

89.92

89.50

-0.99

98

38

95.0

82.272

0.125

4.071

98

0.64

97.58

93

97.5

92.92

92.50

-0.99

100

38

95.0

82.272

1.125

5.226

100

0.64

99.58

95

99.5

94.92

94.50

-0.99

105

40

100.0

86.603

1.125

5.226

105

0.66

104.59

100

104.5

99.91

99.50

-1.05

110

42

105.0

90.933

1.125

5.226

110

0.66

109.59

105

109.5

104.91

104.50

-1.05

120

46

115.0

99.593

1.125

5.226

120

0.66

119.59

115

119.5

114.91

114.50

-1.05

130

50

125.0

108.253

1.125

5.226

130

0.66

129.59

125

129.5

124.91

124.50

-1.05

140

54

135.0

116.913

1.125

5.226

140

0.66

139.59

135

139.5

134.91

134.50

-1.05

150

58

145.0

125.574

1.125

5.226

150

0.66

149.59

145

149.5

144.91

144.50

-1.05