单个齿距偏差±fpt

单个齿距偏差±fpt

分度圆直径d

/mm

模数m

/mm

精度等级

0

1

2

3

4

5

6

7

8

9

10

11

12

±fpt/μm

5d20

0.5m2

0.8

1.2

1.7

2.3

3.3

4.7

6.5

9.5

13.0

19.0

26.0

37.0

53.0

2m3.5

0.9

1.3

1.8

2.6

3.7

5.0

7.5

10.0

15.0

21.0

29.0

41.0

59.0

20d50

0.5m2

0.9

1.2

1.8

2.5

3.5

5.0

7.0

10.0

14.0

20.0

28.0

40.0

56.0

2m3.5

1.0

1.4

1.9

2.7

3.9

5.5

7.5

11.0

15.0

22.0

31.0

44.0

62.0

3.5m6

1.1

1.5

2.1

3.0

4.3

6.0

8.5

12.0

17.0

24.0

34.0

48.0

68.0

6m10

1.2

1.7

2.5

3.5

4.9

7.0

10.0

14.0

20.0

28.0

40.0

56.0

79.0

50d125

0.5m2

0.9

1.3

1.9

2.7

3.8

5.5

7.5

11.0

15.0

21.0

30.0

43.0

61.0

2m3.5

1.0

1.5

2.1

2.9

4.1

6.0

8.5

12.0

17.0

23.0

33.0

47.0

66.0

3.5m6

1.1

1.6

2.3

3.2

4.6

6.5

9.0

13.0

18.0

26.0

36.0

52.0

73.0

6m10

1.3

1.8

2.6

3.7

5.0

7.5

10.0

15.0

21.0

30.0

42.0

59.0

84.0

10m16

1.6

2.2

3.1

4.4

6.5

9.0

13.0

18.0

25.0

35.0

50.0

71.0

100.0

16m25

2.0

2.8

3.9

5.5

8.0

11.0

16.0

22.0

31.0

44.0

63.0

89.0

125.0

125d280

0.5m2

1.1

1.5

2.1

3.0

4.2

6.0

8.5

12.0

17.0

24.0

34.0

48.0

67.0

2m3.5

1.1

1.6

2.3

3.2

4.6

6.5

9.0

13.0

18.0

26.0

36.0

51.0

73.0

3.5m6

1.2

1.8

2.5

3.5

5.0

7.0

10.0

14.0

20.0

28.0

40.0

56.0

79.0

6m10

1.4

2.0

2.8

4.0

5.5

8.0

11.0

16.0

23.0

32.0

45.0

64.0

90.0

10m16

1.7

2.4

3.3

4.7

6.5

9.5

13.0

19.0

27.0

38.0

53.0

75.0

107.0

16m25

2.1

2.9

4.1

6.0

8.0

12.0

16.0

23.0

33.0

47.0

66.0

93.0

132.0

25m40

2.7

3.8

5.5

7.5

11.0

15.0

21.0

30.0

43.0

61.0

86.0

121.0

171.0

280d560

0.5m2

1.2

1.7

2.4

3.3

4.7

6.5

9.5

13.0

19.0

27.0

38.0

54.0

76.0

2m3.5

1.3

1.8

2.5

3.6

5.0

7.0

10.0

14.0

20.0

29.0

41.0

57.0

81.0

3.5m6

1.4

1.9

2.7

3.9

5.5

8.0

11.0

16.0

22.0

31.0

44.0

62.0

88.0

6m10

1.5

2.2

3.1

4.4

6.0

8.5

12.0

17.0

25.0

35.0

49.0

70.0

99.0

10m16

1.8

2.5

3.6

5.0

7.0

10.0

14.0

20.0

29.0

41.0

58.0

81.0

115.0

16m25

2.2

3.1

4.4

6.0

9.0

12.0

18.0

25.0

35.0

50.0

70.0

99.0

140.0

25m40

2.8

4.0

5.5

8.0

11.0

16.0

22.0

32.0

45.0

63.0

90.0

127.0

180.0

40m70

3.9

5.5

8.0

11.0

16.0

22.0

31.0

45.0

63.0

89.0

126.0

178.0

252.0

560d1000

0.5m2

1.3

1.9

2.7

3.8

5.5

7.5

11.0

15.0

21.0

30.0

43.0

61.0

86.0

2m3.5

1.4

2.0

2.9

4.0

5.5

8.0

11.0

16.0

23.0

32.0

46.0

65.0

91.0

3.5m6

1.5

2.2

3.1

4.3

6.0

8.5

12.0

17.0

24.0

35.0

49.0

69.0

98.0

6m10

1.7

2.4

3.4

4.8

7.0

9.5

14.0

19.0

27.0

38.0

54.0

77.0

109.0

10m16

2.0

2.8

3.9

5.5

8.0

11.0

16.0

22.0

31.0

44.0

63.0

89.0

125.0

16m25

2.3

3.3

4.7

6.5

9.5

13.0

19.0

27.0

38.0

53.0

75.0

106.0

150.0

25m40

3.0

4.2

6.0

8.5

12.0

17.0

24.0

34.0

47.0

67.0

95.0

134.0

190.0

40m70

4.1

6.0

8.0

12.0

16.0

23.0

33.0

46.0

65.0

93.0

131.0

185.0

262.0

1000d1600

2m3.5

1.6

2.3

3.2

4.5

6.5

9.0

13.0

18.0

26.0

36.0

51.0

72.0

103.0

3.5m6

1.7

2.4

3.4

4.8

7.0

9.5

14.0

19.0

27.0

39.0

55.0

77.0

109.0

6m10

1.9

2.6

3.7

5.5

7.5

11.0

15.0

21.0

30.0

42.0

60.0

85.0

120.0

10m16

2.1

3.0

4.3

6.0

8.5

12.0

17.0

24.0

34.0

48.0

68.0

97.0

136.0

16m25

2.5

3.6

5.0

7.0

10.0

14.0

20.0

29.0

40.0

57.0

81.0

114.0

161.0

25m40

3.1

4.4

6.5

9.0

13.0

18.0

25.0

36.0

50.0

71.0

100.0

142.0

201.0

40m70

4.3

6.0

8.5

12.0

17.0

24.0

34.0

48.0

68.0

97.0

137.0

193.0

273.0

1600d2500

3.5m6

1.9

2.7

3.8

5.5

7.5

11.0

15.0

21.0

30.0

43.0

61.0

86.0

122.0

6m10

2.1

2.9

4.1

6.0

8.5

12.0

17.0

23.0

33.0

47.0

66.0

94.0

132.0

10m16

2.3

3.3

4.7

6.5

9.5

13.0

19.0

26.0

37.0

53.0

74.0

105.0

149.0

16m25

2.7

3.8

5.5

7.5

11.0

15.0

22.0

31.0

43.0

61.0

87.0

123.0

174.0

25m40

3.3

4.7

6.5

9.5

130

19.0

27.0

38.0

53.0

75.0

107.0

151.0

213.0

40m70

4.5

6.5

9.0

13.0

18.0

25.0

36.0

50.0

71.0

101.0

143.0

202.0

286.0

2500d4000

6m10

2.3

3.3

4.6

6.5

9.0

13.0

18.0

26.0

37.0

52.0

74.0

105.0

148.0

10m16

2.6

3.6

5.0

7.5

10.0

15.0

21.0

29.0

41.0

58.0

82.0

116.0

165.0

16m25

3.0

4.2

6.0

8.5

12.0

17.0

24.0

33.0

47.0

67.0

95.0

134.0

189.0

25m40

3.6

5.0

7.0

10.0

14.0

20.0

29.0

40.0

57.0

81.0

114.0

162.0

229.0

40m70

4.7

6.5

9.5

13.0

19.0

27.0

38.0

53.0

75.0

106.0

151.0

213.0

301.0

4000d6000

6m10

2.6

3.7

5.0

7.5

10.0

15.0

21.0

29.0

42.0

59.0

83.0

118.0

167.0

10m16

2.9

4.0

5.5

8.0

11.0

16.0

23.0

32.0

46.0

65.0

92.0

130.0

183.0

16m25

3.3

4.6

6.5

9.0

13.0

18.0

26.0

37.0

52.0

74.0

104.0

147.0

208.0

25m40

3.9

5.5

7.5

11.0

15.0

22.0

31.0

44.0

62.0

88.0

124.0

175.0

248.0

40m70

5.0

7.0

10.0

14.0

20.0

28.0

40.0

57.0

80.0

113.0

160.0

226.0

320.0

6000d8000

10m16

3.1

4.4

6.5

9.0

13.0

18.0

25.0

36.0

50.0

71.0

101.0

142.0

201.0

16m25

3.5

5.0

7.0

10.0

14.0

20.0

28.0

40.0

57.0

80.0

113.0

160.0

226.0

25m40

4.1

6.0

8.5

12.0

17.0

23.0

33.0

47.0

66.0

94.0

133.0

188.0

266.0

40m70

5.5

7.5

11.0

15.0

21.0

30.0

42.0

60.0

84.0

119.0

169.0

239.0

338.0

8000d10000

10m16

3.4

4.8

7.0

9.5

14.0

19.0

27.0

38.0

54.0

77.0

108.0

153.0

217.0

16m25

3.8

5.5

7.5

11.0

15.0

21.0

30.0

43.0

60.0

85.0

121.0

171.0

242.0

25m40

4.4

6.0

9.0

12.0

18.0

25.0

35.0

50.0

70.0

99.0

140.0

199.0

281.0

40m70

5.5

8.0

11.0

16.0

22.0

31.0

44.0

62.0

88.0

125.0

177.0

250.0

353.0