节距p＝4.76mm链轮的数表　　　　　　　　　　　　　　　　　　　　　　　　　mm

齿数

z

分度圆直径

d

齿顶圆直径

跨柱测量距

导槽最大直径

齿数

z

分度圆直径

d

齿顶圆直径

跨柱测量距

导槽最大直径

11

16.89

16.05

17.55

10.50

66

100.10

99.82

101.85

94.26

12

18.39

17.63

19.33

10.89

67

101.60

101.32

103.33

95.78

13

19.89

19.18

20.85

13.61

68

103.12

102.84

104.88

97.31

14

21.41

20.70

22.56

15.15

69

104.65

104.37

106.38

98.81

15

22.91

22.25

24.03

16.69

70

106.15

105.87

107.90

100.33

16

24.41

23.80

25.70

18.23

71

107.67

107.39

109.40

101.85

17

25.91

25.30

27.15

19.76

72

109.19

108.92

110.95

103.38

18

27.43

26.85

28.80

21.29

73

110.69

110.41

112.42

104.88

19

28.93

28.35

30.25

22.82

74

112.22

111.94

113.97

106.40

20

30.45

29.90

31.90

24.35

75

113.74

113.46

115.47

107.92

21

31.95

31.42

33.32

25.88

76

115.24

114.96

116.99

109.42

22

33.48

32.97

34.98

27.41

77

116.76

116.48

118.49

110.95

23

34.98

34.47

36.40

28.94

78

118.29

118.01

120.04

112.47

24

36.47

35.99

38.02

30.36

79

119.79

119.51

121.54

113.97

25

38.00

37.52

39.47

31.98

80

121.31

121.03

123.09

115.49

26

39.52

39.07

41.07

33.50

81

122.83

122.56

124.59

117.02

27

41.02

40.56

42.52

35.03

82

124.33

124.05

126.11

118.54

28

42.54

42.09

44.12

36.55

83

125.86

125.58

127.61

120.04

29

44.04

43.61

45.59

38.01

84

127.38

127.10

129.16

121.56

30

45.57

45.14

47.17

39.60

85

128.88

128.60

130.63

123.09

31

47.07

46.63

48.62

41.12

86

130.40

130.15

132.18

124.61

32

48.59

48.18

50.22

42.56

87

131.93

131.67

133.68

126.11

33

50.11

49.71

51.69

44.17

88

133.43

133.17

135.20

128.14

34

51.61

51.21

53.24

45.69

89

134.95

134.70

136.70

129.13

35

53.14

52.76

54.74

47.19

90

136.47

136.22

138.25

130.66

36

54.64

54.25

56.29

48.72

91

137.97

137.72

139.73

132.18

37

56.16

55.78

57.76

50.24

92

139.50

139.24

141.27

133.71

38

57.68

57.30

59.33

51.77

93

141.02

140.77

142.77

135.20

39

59.18

58.80

60.81

53.29

94

142.52

142.27

144.30

136.73

40

60.71

60.35

62.38

54.81

95

144.04

143.79

145.80

138.25

41

62.20

61.85

63.83

56.31

96

145.57

145.31

147.35

139.78

42

63.73

63.37

65.40

57.84

97

147.07

146.81

148.82

141.27

43

65.25

64.90

66.88

59.36

98

148.59

148.34

150.37

142.80

44

66.75

66.40

68.45

60.88

99

150.11

149.86

151.87

144.32

45

68.28

67.92

69.93

62.38

100

151.61

151.36

153.39

145.82

46

69.80

69.47

71.50

63.91

101

153.14

152.88

154.89

147.35

47

71.30

70.97

72.95

65.43

102

154.66

154.41

156.44

148.87

48

72.82

72.49

74.52

66.95

103

156.15

155.91

157.91

150.39

49

74.32

73.99

76.00

68.48

104

157.66

157.40

159.44

151.89

50

75.84

75.51

77.55

69.98

105

159.21

158.95

160.96

153.42

51

77.37

77.04

79.02

71.50

106

160.73

160.48

162.51

154.94

52

78.87

78.54

80.59

73.03

107

162.26

162.00

164.01

156.44

53

80.39

80.06

82.07

74.52

108

163.75

163.50

165.56

157.96

54

81.92

81.61

83.64

76.02

109

165.30

165.05

167.03

159.49

55

83.41

83.11

85.12

77.57

110

166.78

166.52

168.58

160.99

56

84.94

84.63

86.66

79.10

111

168.28

168.02

170.05

162.50

57

86.46

86.16

88.16

80.59

112

169.80

169.54

171.58

164.03

58

87.96

87.66

89.69

82.12

113

171.32

171.07

173.10

165.56

59

89.48

89.18

91.19

83.64

114

172.85

172.59

174.65

167.06

60

91.01

90.70

92.74

85.17

115

174.40

174.14

176.15

168.58

61

92.51

92.20

94.21

86.69

116

175.87

175.62

177.67

170.10

62

94.03

93.73

95.78

88.19

117

177.39

177.14

179.17

171.60

63

95.55

95.25

97.28

89.71

118

178.92

178.66

180.70

173.13

64

97.05

96.75

98.81

91.24

119

180.42

180.19

182.22

174.65

65

98.58

98.27

100.30

92.74

120

181.91

181.69

183.72

176.15

① 均为最大值。

注：1.d_a为圆弧齿顶链轮的齿顶圆直径。

2.跨柱直径d_R＝3.175mm。