45°外花键大径基本尺寸(GB/T3478.1-1995)(图文教程)

Dee=m(Z+0.8)

齿数 Z

模 数

0.25

0.5

（0.75）

1

（1.25）

1.5

（1.75）

2

2.5

10

2.70

5.40

8.10

10.80

13.50

16.20

18.90

21.60

27.00

11

2.95

5.90

8.85

11.80

14.75

17.70

20.65

23.60

29.50

12

3.20

6.40

9.60

12.80

16.00

19.20

22.40

25.60

32.00

13

3.45

6.90

10.35

13.80

17.25

20.70

24.15

27.60

34.50

14

3.70

7.40

11.10

14.80

18.50

22.20

25.90

29.60

37.00

15

3.95

7.90

11.85

15.80

19.75

23.70

27.65

31.60

39.50

16

4.20

8.40

12.60

16.80

21.00

25.20

29.40

33.60

42.00

17

4.45

8.90

13.35

17.80

22.25

26.70

31.15

35.60

44.50

18

4.70

9.40

14.10

18.80

23.50

28.20

32.90

37.60

47.00

19

4.95

9.90

14.85

19.80

24.75

29.70

34.65

39.60

49.50

20

5.20

10.40

15.60

20.80

26.00

31.20

36.40

41.60

52.00

21

5.45

10.90

16.35

21.80

27.25

32.70

38.15

43.60

54.50

22

5.70

11.40

17.10

22.80

28.50

34.20

39.90

45.60

57.00

23

5.95

11.90

17.85

23.80

29.75

35.70

41.65

47.60

59.50

24

6.20

12.40

18.60

24.80

31.00

37.20

43.40

49.60

62.00

25

6.45

12.90

19.35

25.80

32.25

38.70

45.15

51.60

64.50

26

6.70

13.40

20.10

26.80

33.50

40.20

46.90

53.60

67.00

27

6.95

13.90

20.85

27.80

34.75

41.70

48.65

55.60

69.50

28

7.20

14.40

21.60

28.80

36.00

43.20

50.40

57.60

72.00

29

7.45

14.90

22.35

29.80

37.25

44.70

52.15

59.60

74.50

30

7.70

15.40

23.10

30.80

38.50

46.20

53.90

61.60

77.00

31

7.95

15.90

23.85

31.80

39.75

47.70

55.65

63.60

79.50

32

8.20

16.40

24.60

32.80

41.00

49.20

57.40

65.60

82.00

33

8.45

16.90

25.35

33.80

42.25

50.70

59.15

67.60

84.50

34

8.70

17.40

26.10

34.80

43.50

52.20

60.90

69.60

87.00

35

8.95

17.90

26.85

35.80

44.75

53.70

62.65

71.60

89.50

36

9.20

18.40

27.60

36.80

46.00

55.20

64.40

73.60

92.00

37

9.45

18.90

28.35

37.80

47.25

56.70

66.15

75.60

94.50

38

9.70

19.40

29.10

38.80

48.50

58.20

67.90

77.60

97.00

39

9.95

19.90

29.85

39.80

49.75

59.70

69.65

79.60

99.50

40

10.20

20.40

30.60

40.80

51.00

61.20

71.40

81.60

102.00

41

10.45

20.90

31.35

41.80

52.25

62.70

73.15

83.60

104.50

42

10.70

21.40

32.10

42.80

53.50

64.20

74.90

85.60

107.00

43

10.95

21.90

32.85

43.80

54.75

65.70

76.65

87.60

109.50

44

11.20

22.40

33.60

44.80

56.00

67.20

78.40

89.60

112.00

45

11.45

22.90

34.35

45.80

57.25

68.70

80.15

91.60

114.50

46

11.70

23.40

35.10

46.80

58.50

70.20

81.90

93.60

117.00

47

11.95

23.90

35.85

47.80

59.75

71.70

83.65

95.60

119.50

48

12.20

24.40

36.60

48.80

61.00

73.20

85.40

97.60

122.00

49

12.45

24.90

37.35

49.80

62.25

74.70

87.15

99.60

124.50

50

12.70

25.40

38.10

50.80

63.50

76.20

88.90

101.60

127.00

51

12.95

25.90

38.85

51.80

64.75

77.70

90.65

103.60

129.50

52

13.20

26.40

39.60

52.80

66.00

79.20

92.40

105.60

132.00

53

13.45

26.90

40.35

53.80

67.25

80.70

94.15

107.60

134.50

54

13.70

27.40

41.10

54.80

68.50

82.20

95.90

109.60

137.00

55

13.95

27.90

41.85

55.80

69.75

83.70

97.65

111.60

139.50

56

14.20

28.40

42.60

56.80

71.00

85.20

99.40

113.60

142.00

57

14.45

28.90

43.35

57.80

72.25

86.70

101.15

115.60

144.50

58

14.70

29.40

44.10

58.80

73.50

88.20

102.90

117.60

147.00

59

14.95

29.90

44.85

59.80

74.75

89.70

104.65

119.60

149.50

60

15.20

30.40

45.60

60.80

76.00

91.20

106.40

121.60

152.00

61

15.45

30.90

46.35

61.80

77.25

92.70

108.15

123.60

154.50

62

15.70

31.40

47.10

62.80

78.50

94.20

109.90

125.60

157.00

63

15.95

31.90

47.85

63.80

79.75

95.70

111.65

127.60

159.50

64

16.20

32.40

48.60

64.80

81.00

97.20

113.40

129.60

162.00

65

16.45

32.90

49.35

65.80

82.25

98.70

115.15

131.60

164.50

66

16.70

33.40

50.10

66.80

83.50

100.20

116.90

133.60

167.00

67

16.95

33.90

50.85

67.80

84.75

101.70

118.65

135.60

169.50

68

17.20

34.40

51.60

68.80

86.00

103.20

120.40

137.60

172.00

69

17.45

34.90

52.35

69.80

87.25

104.70

122.15

139.60

174.50

70

17.70

35.40

53.10

70.80

88.50

106.20

123.90

141.60

177.00

71

17.95

35.90

53.85

71.80

89.75

107.70

125.65

143.60

179.50

72

18.20

36.40

54.60

72.80

91.00

109.20

127.40

145.60

182.00

73

18.45

36.90

55.35

73.80

92.25

110.70

129.15

147.60

184.50

74

18.70

37.40

56.10

74.80

93.50

112.20

130.90

149.60

187.00

75

18.95

37.90

56.85

75.80

94.75

113.70

132.65

151.60

189.50

76

19.20

38.40

57.60

76.80

96.00

115.20

134.40

153.60

192.00

77

19.45

38.90

58.35

77.80

97.25

116.70

136.15

155.60

194.50

78

19.70

39.40

59.10

78.80

98.50

118.20

137.90

157.60

197.00

79

19.95

39.90

59.85

79.80

99.75

119.70

139.65

159.60

199.50

80

20.20

40.40

60.60

80.80

101.00

121.20

141.40

161.60

202.00

81

20.45

40.90

61.35

81.80

102.25

122.70

143.15

163.60

204.50

82

20.70

41.40

62.10

82.80

103.50

124.20

144.90

165.60

207.00

83

20.95

41.90

62.85

83.80

104.75

125.70

146.65

167.60

209.50

84

21.20

42.40

63.60

84.80

106.00

127.20

148.40

169.60

212.00

85

21.45

42.90

64.35

85.80

107.25

128.70

150.15

171.60

214.50

86

21.70

43.40

65.10

86.80

108.50

130.20

151.90

173.60

217.00

87

21.95

43.90

65.85

87.80

109.75

131.70

153.65

175.60

219.50

88

22.20

44.40

66.60

88.80

111.00

133.20

155.40

177.60

222.00

89

22.45

44.90

67.35

89.80

112.25

134.70

157.15

179.60

224.50

90

22.70

45.40

68.10

90.80

113.50

136.20

158.90

181.60

227.00

91

22.95

45.90

68.85

91.80

114.75

137.70

160.65

183.60

229.50

92

23.20

46.40

69.60

92.80

116.00

139.20

162.40

185.60

232.00

93

23.45

46.90

70.35

93.80

117.25

140.70

164.15

187.60

234.50

94

23.70

47.40

71.10

94.80

118.50

142.20

165.90

189.60

237.00

95

23.95

47.90

71.85

95.80

119.75

143.70

167.65

191.60

239.50

96

24.20

48.40

72.60

96.80

121.00

145.20

169.40

193.60

242.00

97

24.45

48.90

73.35

97.80

122.25

146.70

171.15

195.60

244.50

98

24.70

49.40

74.10

98.80

123.50

148.20

172.90

197.60

247.00

99

24.95

49.90

74.85

99.80

124.75

149.70

174.65

199.60

249.50

100

25.20

50.40

75.60

100.80

126.00

151.20

176.40

201.60

252.00