For what purpose are tension springs utilized?

Tension springs are widely utilized in factory automation for various purposes, including maintaining tension and control in conveyor systems, balancing robotic arms for precise movements, ensuring the proper functioning of safety devices, providing force in assembly and packaging equipment, and enabling secure gripping in industrial tools. These springs play a crucial role in ensuring smooth operation, precise movement, and reliable performance in automated systems and equipment used in factory automation processes.

What distinguishes tension springs from torsion springs?

Tension springs are designed to resist stretching forces, whereas torsion springs resist twisting or rotational forces. Tension springs extend when a force is applied, while torsion springs exert torque when twisted. Their distinct designs enable them to serve different purposes in different mechanical systems.

How do you measure the strength of a tension spring?

Measuring the strength of a tension spring involves using a force gauge or a load cell. These tools help in gradually applying weights or loads to the suspended spring while measuring its extension. The spring rate, which represents the spring's strength, is calculated by dividing the change in force by the change in length when the spring is extended.

What are the common materials used to make tension springs?

Tension springs are commonly made from materials like stainless steel, music wire (high-carbon steel), or various alloys. Stainless steel offers corrosion resistance, while music wire provides high strength. Alloy materials offer specific properties like heat resistance or conductivity, depending on the application requirements.

Can a tension spring be adjusted or calibrated for a specific application?

Yes, tension springs can be adjusted or calibrated for specific applications. By altering factors like the wire diameter, numbers of turns, or length, the spring's characteristics such as force, tension, or extension can be modified. This allows for customization to match the requirements of a particular application. However, adjusting tension springs should be done carefully, considering the intended function and safety considerations.

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MISUMI Tension Springs（Material：SWP-B）

MISUMI offers products Tension Springs specified by Material SWP-B from Automation Components product category. There are a total of 4 items. Search and select detailed specifications of parts for your machine with free CAD downloads. MISUMI products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.

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Brand	(4) (4) ACCURATE (0) KS SANGYO (0) SAMINI (0) SHINSEI HATSUJHO (0) SHOWA SPRING (0) TOKYO HATSUJYO MANUFACTURING (0)
CAD	2D 3D
Days to Ship	All Same day 5 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less 8 Day(s) or Less Others

4 items

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: 30; 45; 60

Economy series

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MiSUMi Economy

Tension Spring Light to Medium Load / Medium Load / Medium to Heavy Load [RoHS Compliant]

MiSUMi Economy

MISUMI

＼RoHS10-compliant products are newly released. / The bulk-purchase may save up to 80% for MISUMI’s similar products.
MISUMI's low-priced new brand [Economy Series] Sequentially expanding product lineup. See "Product Lineup" for the special feature page. Product Lineup

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Free Length Lf(mm)	Coil Outer Dia. OD(Ø)	Allowable Load (Configurable Range)(N)	Wire Dia. d(Ø)	Material	Length L2 at Allowable Load(mm)	Hook Opposing Angle	Spring Constant k(N/mm)	Type	Allowable Load P2(N)	Initial Tension Pi(N)	Total Number of Winding N	Max. Deflection(mm)
10 ～ 175	3 ～ 20	1.26~3.50 / 3.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~	0.4 ～ 2.6	SWP-B	12.2 ～ 247.5	-	0.13 ～ 5.69	-	4.41 ～ 150.04	0.66 ～ 36.28	-	2.2 ～ 72.5

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MiSUMi Economy

Tension Spring - Heavy Load Type [RoHS Comliant]

MiSUMi Economy

MISUMI

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CAD ：: 2D / 3D

Free Length Lf(mm)	Coil Outer Dia. OD(Ø)	Allowable Load (Configurable Range)(N)	Wire Dia. d(Ø)	Material	Length L2 at Allowable Load(mm)	Hook Opposing Angle	Spring Constant k(N/mm)	Type	Allowable Load P2(N)	Initial Tension Pi(N)	Total Number of Winding N	Max. Deflection(mm)
10 ～ 60	3 ～ 14	8.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~	0.5 ～ 2.3	SWP-B	12 ～ 78.8	-	-	-	8.8 ～ 154.95	2.16 ～ 45.11	-	2 ～ 18.8

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Tension Springs - Extra Light Load / Light Load Type [RoHS Compliant]

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Free Length Lf(mm)	Coil Outer Dia. OD(Ø)	Allowable Load (Configurable Range)(N)	Wire Dia. d(Ø)	Material	Length L2 at Allowable Load(mm)	Hook Opposing Angle	Spring Constant k(N/mm)	Type	Allowable Load P2(N)	Initial Tension Pi(N)	Total Number of Winding N	Max. Deflection(mm)
10 ～ 175	3 ～ 20	1.26~3.50 / 3.51~8.00 / 8.01~15.00 / 30.01~60.00 / 60.01~110.00	0.25 ～ 2	SWP-B	18.7 ～ 342.5	-	0.024 ～ 1.42	-	2.25 ～ 78.45	0.15 ～ 12.75	-	6.8 ～ 167.5

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Economy series

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MiSUMi Economy

Tension Spring - Heavy Load Double Hook Type [RoHS Compliant]

MiSUMi Economy

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＼RoHS10-compliant products are newly released. / Buy in bulk and save even more.
MISUMI's low-priced new brand [Economy Series] Sequentially expanding product lineup. See "Product Lineup" for the special feature page. Product Lineup

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CAD ：: 2D / 3D

Free Length Lf(mm)	Coil Outer Dia. OD(Ø)	Allowable Load (Configurable Range)(N)	Wire Dia. d(Ø)	Material	Length L2 at Allowable Load(mm)	Hook Opposing Angle	Spring Constant k(N/mm)	Type	Allowable Load P2(N)	Initial Tension Pi(N)	Total Number of Winding N	Max. Deflection(mm)
15 ～ 65	5 ～ 14	15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~	0.8 ～ 2.3	SWP-B	17.9 ～ 82	-	1.03 ～ 19.02	-	20.79 ～ 154.95	5.1 ～ 45.11	-	2.9 ～ 18.8

From: ₹ 133.33
Days to Ship: 6 Day(s) or more

6 Day(s) or more


Brand
Product Series
CAD
From
Days to Ship
Free Length Lf(mm)
Coil Outer Dia. OD(Ø)
Allowable Load (Configurable Range)(N)
Wire Dia. d(Ø)
Material
Length L2 at Allowable Load(mm)
Hook Opposing Angle
Spring Constant k(N/mm)
Type
Allowable Load P2(N)
Initial Tension Pi(N)
Total Number of Winding N
Max. Deflection(mm)

	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare
Brand	MISUMI MiSUMi Economy	MISUMI MiSUMi Economy	MISUMI MiSUMi Economy	MISUMI MiSUMi Economy
Product Series	Tension Spring Light to Medium Load / Medium Load / Medium to Heavy Load [RoHS Compliant]	Tension Spring - Heavy Load Type [RoHS Comliant]	Tension Springs - Extra Light Load / Light Load Type [RoHS Compliant]	Tension Spring - Heavy Load Double Hook Type [RoHS Compliant]
CAD	2D / 3D	2D / 3D	2D / 3D	2D / 3D
From	₹ 57.14-	₹ 57.14-	₹ 69.84-	₹ 133.33-
Days to Ship	6 Day(s) or more	6 Day(s) or more	6 Day(s) or more	6 Day(s) or more
Free Length Lf(mm)	10 ～ 175	10 ～ 60	10 ～ 175	15 ～ 65
Coil Outer Dia. OD(Ø)	3 ～ 20	3 ～ 14	3 ～ 20	5 ～ 14
Allowable Load (Configurable Range)(N)	1.26~3.50 / 3.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~	8.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~	1.26~3.50 / 3.51~8.00 / 8.01~15.00 / 30.01~60.00 / 60.01~110.00	15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~
Wire Dia. d(Ø)	0.4 ～ 2.6	0.5 ～ 2.3	0.25 ～ 2	0.8 ～ 2.3
Material	SWP-B	SWP-B	SWP-B	SWP-B
Length L2 at Allowable Load(mm)	12.2 ～ 247.5	12 ～ 78.8	18.7 ～ 342.5	17.9 ～ 82
Hook Opposing Angle	-	-	-	-
Spring Constant k(N/mm)	0.13 ～ 5.69	-	0.024 ～ 1.42	1.03 ～ 19.02
Type	-	-	-	-
Allowable Load P2(N)	4.41 ～ 150.04	8.8 ～ 154.95	2.25 ～ 78.45	20.79 ～ 154.95
Initial Tension Pi(N)	0.66 ～ 36.28	2.16 ～ 45.11	0.15 ～ 12.75	5.1 ～ 45.11
Total Number of Winding N	-	-	-	-
Max. Deflection(mm)	2.2 ～ 72.5	2 ～ 18.8	6.8 ～ 167.5	2.9 ～ 18.8

Configure

Specification/Dimensions

Free Length Lf(mm)
2.7

2.9

3.1

3.2

3.3

3.5

3.6

3.7

3.9

4

4.1

4.3

4.4

4.5

4.6

4.8

4.9

5

5.2

5.4

5.5

5.6

5.7

5.8

5.9

6

6.2

6.3

6.4

6.5

6.6

6.7

6.8

7

7.1

7.2

7.3

7.4

7.5

7.7

7.8

7.9

8

8.1

8.2

8.3

8.4

8.5

8.6

8.7

8.9

9

9.1

9.2

9.3

9.4

9.5

9.6

9.7

9.8

10

10.1

10.2

10.3

10.4

10.5

10.6

10.7

10.8

10.9

11

11.1

11.2

11.3

11.5

11.6

11.7

11.8

11.9

12

12.1

12.3

12.4

12.5

12.6

12.7

12.8

12.9

13

13.1

13.2

13.3

13.4

13.5

13.6

13.7

13.8

13.9

14

14.1

14.2

14.3

14.4

14.5

14.6

14.7

14.8

14.9

15

15.1

15.2

15.3

15.4

15.5

15.6

15.8

15.9

16

16.1

16.2

16.3

16.4

16.5

16.6

16.7

16.8

16.9

17

17.1

17.2

17.3

17.4

17.5

17.6

17.7

17.8

17.9

18

18.1

18.2

18.3

18.4

18.5

18.6

18.7

18.8

18.9

19

19.1

19.2

19.3

19.4

19.5

19.6

19.7

19.8

19.9

20

20.1

20.2

20.3

20.4

20.5

20.6

20.7

20.8

20.9

21

21.1

21.3

21.4

21.6

21.7

21.8

22

22.1

22.2

22.3

22.4

22.5

22.6

22.7

22.8

22.9

23

23.1

23.2

23.4

23.5

23.6

23.7

23.9

24

24.1

24.2

24.3

24.4

24.5

24.6

24.7

24.8

24.9

25

25.1

25.2

25.3

25.4

25.5

25.6

25.9

26

26.1

26.2

26.3

26.4

26.5

26.6

26.7

26.9

27

27.1

27.2

27.4

27.5

27.6

27.7

27.8

27.9

28

28.1

28.2

28.3

28.4

28.5

28.6

28.7

28.9

29

29.1

29.2

29.3

29.4

29.5

29.6

29.7

29.9

30

30.1

30.3

30.4

30.5

30.7

30.9

31

31.1

31.2

31.3

31.4

31.5

31.7

31.8

31.9

32

32.1

32.2

32.3

32.4

32.5

32.6

32.7

32.9

33

33.1

33.3

33.4

33.6

33.7

33.8

34

34.3

34.5

34.6

34.7

34.9

35

35.1

35.2

35.3

35.4

35.5

35.6

35.7

35.8

35.9

36

36.1

36.2

36.3

36.5

36.6

36.7

36.8

36.9

37

37.2

37.3

37.4

37.5

37.6

37.7

38

38.1

38.2

38.3

38.4

38.5

38.7

38.8

38.9

39

39.1

39.2

39.3

39.4

39.5

39.6

39.8

40

40.1

40.3

40.5

40.6

40.7

40.9

41

41.1

41.3

41.4

41.6

41.7

41.8

42

42.3

42.4

42.5

42.7

42.9

43

43.4

43.5

43.6

43.9

44

44.2

44.4

44.5

44.6

44.7

44.9

45

45.1

45.3

45.6

45.7

45.8

46

46.1

46.2

46.4

46.5

46.7

46.8

46.9

47

47.3

47.4

47.9

48

48.2

48.3

48.4

48.6

49

49.3

49.5

49.6

49.7

50

50.1

50.2

50.4

50.5

50.6

50.7

50.8

50.9

51

51.1

51.3

51.5

51.7

52

52.1

52.2

52.3

52.4

52.5

52.6

52.8

53

53.1

53.3

53.4

53.7

53.8

54

54.9

55

55.2

55.4

55.5

55.7

55.9

56

56.1

56.2

56.4

56.6

56.8

56.9

57

57.4

57.5

57.7

57.8

58.1

58.4

58.6

58.7

58.9

59

59.1

59.3

59.4

59.8

59.9

60

60.1

60.2

60.3

60.5

60.6

61

61.1

61.3

61.7

62.1

62.2

62.3

62.6

62.9

63

63.1

63.2

63.4

63.5

63.6

63.8

64

64.1

64.3

64.5

64.6

64.7

64.8

65

65.3

65.4

65.5

65.8

65.9

66

66.1

66.6

66.9

67

67.2

68

68.2

68.6

69

69.3

69.4

69.9

70

70.3

70.5

70.8

70.9

71

71.4

71.8

72.2

72.3

72.5

72.6

73

73.1

73.2

73.3

73.6

73.8

73.9

74

74.1

74.2

75

75.2

75.4

75.8

76

76.1

76.5

76.7

77

77.4

77.6

77.8

78

78.2

78.3

78.4

78.5

78.9

79

79.7

80

80.2

80.5

80.6

80.7

80.9

81

81.3

81.8

82

82.4

82.6

82.8

83

83.1

83.2

83.3

83.6

83.7

84.6

85

85.3

85.7

86

86.2

86.6

87

87.2

87.9

88.1

88.8

89.3

89.7

90

90.2

90.5

90.6

90.7

91.4

91.6

92

92.2

92.5

92.9

93

93.4

93.6

94.2

94.6

94.9

95

95.6

95.8

95.9

96.5

97

98.6

98.7

99

99.3

100

100.2

100.3

100.7

101

101.6

101.8

102

102.2

103.2

104

104.1

104.6

104.7

104.8

105

105.3

105.8

106

106.1

106.6

107

107.4

109

110

110.9

111

111.7

111.8

112.5

113.2

115

115.5

115.6

115.7

116

116.1

116.2

117

117.4

117.9

118

118.6

119.7

120

120.1

120.6

121.3

121.8

122

122.1

123.2

124.1

125

125.4

125.6

126.2

128.6

130

130.7

130.9

131.6

131.8

133.1

133.3

138

138.6

139

139.7

140

140.6

141.6

142

142.1

142.9

144.6

145

146

146.1

147

147.3

148.2

150

150.1

150.4

150.7

151.6

152.8

153

153.4

155.9

157.8

160.5

161

162

162.2

164.7

166.1

166.6

169.3

175

175.7

177.6

178.6

179

180.7

184.1

188.4

191.1

191.8

197.2

200

200.6

202

208.2

211.6

223.2

223.6

230.9

235

239.7

250.7

260

266.1

280

288

295

300

316

336

341

354

355

363

376

416

431

436

438

454

476

500

521

1000
Drawing

Clear

Coil Outer Dia. OD(Ø)
0.9

1.1

1.12

1.3

1.32

1.36

1.4

1.72

1.76

1.8

1.85

1.92

2

2.16

2.2

2.25

2.3

2.32

2.4

2.5

2.6

2.7

2.75

2.82

2.9

3

3.2

3.45

3.5

3.52

3.6

3.7

3.83

4

4.32

4.4

4.5

4.63

4.8

5

5.4

5.5

5.63

5.8

6

6.3

6.8

6.93

7

7.1

7.3

7.55

8

8.63

8.8

9

9.25

9.6

10

10.5

10.8

11

11.25

11.5

11.6

12

12.5

13

13.2

13.5

13.75

14

14.1

14.5

15

16

17

17.25

17.6

18

18.5

20

21.6

22

22.5

23

24

25

26

27

27.5

28

30

32

34.5

35

40

48

50

65

75

85

100
Drawing

Clear

Allowable Load (Configurable Range)(N)
- ~1.25
- 1.26~3.50
- 3.51~8.00
- 8.01~15.00
- 15.01~30.00
- 30.01~60.00
- 60.01~110.00
- 110.01~
Clear

Wire Dia. d(Ø)
0.1

0.12

0.16

0.18

0.2

0.23

0.25

0.26

0.28

0.29

0.3

0.32

0.35

0.4

0.45

0.5

0.55

0.6

0.63

0.65

0.7

0.75

0.8

0.9

1

1.1

1.2

1.25

1.4

1.5

1.6

1.7

1.8

1.9

2

2.1

2.3

2.5

2.6

2.9

3

3.2

3.5

4

4.5

5

5.5

6

6.5

7.5

8.0

10.0

13.0
Clear

Material
- Stainless Steel Wire
- Piano Wire
- Titanium Alloy
- Hard Steel Wire
- SWP-B
Clear

Length L2 at Allowable Load(mm)
3.7

4.1

4.6

4.7

4.8

4.9

5.0

5.2

5.3

5.4

5.5

5.7

5.8

5.9

6.0

6.1

6.2

6.3

6.5

6.6

6.8

6.9

7

7.1

7.2

7.3

7.4

7.5

7.9

8

8.1

8.2

8.3

8.4

8.5

8.6

8.7

8.8

9

9.1

9.2

9.4

9.5

9.6

9.7

9.8

9.9

10

10.1

10.2

10.3

10.4

10.5

10.6

10.8

10.9

11

11.1

11.2

11.3

11.4

11.5

11.6

11.7

11.8

11.9

12

12.1

12.2

12.3

12.4

12.5

12.6

12.7

12.8

12.9

13

13.1

13.3

13.4

13.5

13.6

13.7

13.8

14

14.1

14.2

14.3

14.4

14.5

14.6

14.8

14.9

15

15.1

15.2

15.3

15.4

15.5

15.6

15.7

15.9

16

16.1

16.3

16.4

16.5

16.6

16.7

16.8

16.9

17

17.1

17.2

17.4

17.5

17.7

17.8

17.9

18.1

18.2

18.3

18.4

18.5

18.6

18.7

18.8

18.9

19

19.1

19.2

19.3

19.4

19.5

19.6

19.7

19.8

19.9

20.1

20.2

20.3

20.4

20.5

20.6

20.7

20.8

20.9

21

21.1

21.2

21.3

21.4

21.5

21.6

21.7

21.8

21.9

22.1

22.2

22.3

22.4

22.5

22.6

22.7

22.8

22.9

23.0

23.1

23.2

23.4

23.5

23.6

23.7

23.8

23.9

24

24.1

24.3

24.4

24.5

24.6

24.7

24.8

25

25.1

25.2

25.3

25.4

25.5

25.6

25.7

25.8

25.9

26

26.1

26.2

26.4

26.5

26.6

26.7

26.8

26.9

27

27.1

27.2

27.3

27.5

27.6

28

28.1

28.2

28.3

28.5

28.6

28.7

28.9

29

29.2

29.3

29.4

29.5

29.6

29.7

29.8

29.9

30

30.1

30.2

30.3

30.4

30.5

30.6

30.7

30.8

30.9

31

31.1

31.2

31.3

31.4

31.6

31.7

31.8

32

32.1

32.2

32.3

32.4

32.5

32.6

32.7

32.8

32.9

33

33.1

33.3

33.4

33.5

33.6

33.7

33.8

33.9

34

34.1

34.2

34.3

34.4

34.5

34.6

34.7

34.8

34.9

35

35.2

35.4

35.5

35.6

35.7

35.8

35.9

36.1

36.2

36.4

36.5

36.6

36.7

36.8

36.9

37

37.1

37.2

37.3

37.4

37.5

37.6

37.7

37.8

37.9

38

38.1

38.2

38.3

38.4

38.5

38.6

38.7

38.8

38.9

39

39.2

39.4

39.5

39.6

39.7

39.8

39.9

40

40.1

40.3

40.4

40.5

40.7

40.9

41

41.1

41.2

41.3

41.4

41.5

41.6

41.7

41.8

41.9

42

42.1

42.3

42.4

42.5

42.6

42.7

42.8

42.9

43.1

43.2

43.3

43.4

43.5

43.7

43.8

43.9

44.1

44.2

44.3

44.4

44.5

44.7

44.8

44.9

45

45.2

45.4

45.5

45.6

45.7

45.8

45.9

46.0

46.1

46.2

46.3

46.5

46.6

46.7

46.8

47

47.1

47.2

47.3

47.4

47.5

47.6

47.7

47.8

48

48.1

48.2

48.3

48.4

48.5

48.6

48.7

48.9

49

49.1

49.2

49.4

49.5

49.6

49.9

50

50.1

50.2

50.3

50.4

50.5

50.6

50.7

50.8

50.9

51

51.2

51.4

51.5

51.6

51.7

51.8

51.9

52

52.1

52.2

52.3

52.4

52.5

52.6

52.7

52.8

53.0

53.2

53.4

53.5

53.7

53.8

53.9

54

54.3

54.4

54.6

54.8

54.9

55

55.1

55.2

55.3

55.4

55.5

55.7

55.8

55.9

56.2

56.3

56.4

56.5

56.6

56.7

56.8

56.9

57

57.1

57.2

57.3

57.4

57.5

57.6

57.7

57.8

57.9

58

58.1

58.2

58.3

58.4

58.5

58.6

58.7

58.8

58.9

59.0

59.1

59.2

59.3

59.4

59.6

59.8

59.9

60

60.1

60.3

60.6

60.7

60.8

60.9

61

61.1

61.2

61.3

61.4

61.5

61.6

61.7

62.2

62.3

62.5

62.7

62.8

62.9

63

63.2

63.3

63.5

63.6

63.7

63.8

63.9

64

64.2

64.4

64.5

64.6

64.7

65

65.1

65.2

65.3

65.4

65.5

65.6

65.7

65.9

66

66.2

66.3

66.4

66.5

66.6

66.7

66.8

66.9

67

67.1

67.2

67.3

67.5

67.6

67.7

67.8

68

68.1

68.2

68.3

68.4

68.5

68.6

68.7

68.9

69.0

69.2

69.3

69.6

69.7

70

70.1

70.2

70.3

70.4

70.5

70.6

70.9

71

71.2

71.3

71.4

71.5

71.6

71.7

71.8

71.9

72.0

72.1

72.2

72.3

72.4

72.6

72.7

72.8

72.9

73

73.1

73.2

73.3

73.4

73.5

73.7

73.8

73.9

74

74.1

74.2

74.3

74.5

74.6

74.7

74.8

74.9

75

75.1

75.2

75.3

75.4

75.6

75.7

75.9

76

76.1

76.3

76.4

76.5

76.6

76.7

76.9

77

77.1

77.2

77.3

77.5

77.6

77.7

77.9

78.0

78.1

78.2

78.4

78.5

78.6

78.7

78.8

79.1

79.2

79.4

79.5

79.6

79.7

79.8

80

80.1

80.2

80.3

80.5

80.6

80.7

81

81.1

81.2

81.3

81.4

81.6

81.8

81.9

82

82.2

82.3

82.5

82.6

82.7

83

83.1

83.2

83.3

83.4

83.6

83.7

83.8

84

84.2

84.3

84.4

84.5

84.6

84.7

84.9

85

85.1

85.2

85.3

85.6

85.8

86

86.2

86.4

86.5

86.6

86.7

86.8

86.9

87.2

87.4

87.5

87.7

87.8

87.9

88.2

88.3

88.4

88.5

88.6

88.7

89.0

89.1

89.2

89.3

89.4

89.5

89.6

89.7

89.9

90

90.2

90.3

90.4

90.5

90.6

90.7

90.8

90.9

91

91.1

91.3

91.4

91.5

91.6

91.7

91.8

91.9

92

92.2

92.4

92.5

92.6

92.7

92.8

92.9

93.1

93.2

93.3

93.5

93.7

94.3

94.5

94.6

94.7

94.8

95

95.1

95.2

95.3

95.4

95.5

95.6

95.7

95.8

95.9

96

96.2

96.4

96.5

96.6

96.7

96.8

96.9

97

97.1

97.2

97.3

97.5

97.6

97.8

97.9

98

98.1

98.2

98.8

99.0

99.1

99.2

99.3

99.4

99.5

99.7

99.8

100

100.3

100.5

100.7

100.8

100.9

101

101.1

101.2

101.3

101.7

101.8

102.0

102.1

102.3

102.4

102.5

103.0

103.1

103.3

103.5

103.6

103.7

103.8

104.1

104.2

104.3

104.5

104.6

104.7

104.8

104.9

105

105.2

105.6

106

106.1

106.4

106.5

106.6

106.8

107.1

107.3

107.4

107.5

107.6

108.1

108.2

108.3

108.4

108.5

108.6

108.8

109

109.1

109.4

109.5

110

110.3

110.5

110.6

110.8

110.9

111

111.1

111.2

111.4

111.5

111.6

111.8

111.9

112

112.2

112.6

112.7

112.8

112.9

113

113.1

113.3

113.6

114.1

114.2

114.3

114.4

114.5

114.8

114.9

115.0

115.2

115.3

115.5

115.6

115.8

115.9

116.0

116.1

116.2

116.3

116.4

116.7

116.8

116.9

117.6

117.8

118.1

118.3

118.4

118.5

118.6

118.7

118.8

119.0

119.3

119.4

119.6

119.7

119.9

120

120.1

120.2

120.3

120.6

120.8

121

121.1

121.2

121.3

121.4

121.6

121.7

121.9

122

122.1

122.3

122.4

122.9

123.1

123.2

123.3

123.4

123.5

123.6

123.8

123.9

124

124.1

124.8

124.9

125

125.1

125.4

126

126.1

126.3

126.5

126.6

126.8

126.9

127.0

127.1

127.2

127.5

127.7

127.8

128

128.5

129

129.1

129.3

129.5

129.6

129.7

129.9

130

130.1

130.2

130.3

130.5

131

131.9

132.2

133

133.2

133.6

133.7

133.9

134

134.1

134.2

134.3

135.0

135.3

135.7

135.8

136.1

136.2

136.7

136.9

137.2

138.1

138.2

138.3

138.4

139.1

139.4

139.5

139.6

139.7

140

140.1

140.3

140.4

140.5

140.8

141

141.1

141.3

141.8

141.9

142

142.3

142.6

142.7

142.8

143.1

143.6

143.8

144.1

144.4

144.5

144.8

145.2

145.3

145.4

145.5

145.6

145.8

146.2

146.7

146.8

147.4

147.5

147.9

148.4

149

149.2

149.3

149.4

149.5

150.0

150.4

150.5

150.9

151.1

151.2

151.3

152.1

152.3

152.5

152.6

152.8

152.9

153

153.1

153.2

153.4

154.1

154.4

154.6

154.7

154.8

154.9

155.2

155.5

156

156.4

156.5

157

157.2

157.5

157.8

158.1

158.2

158.3

158.7

158.8

158.9

159

159.5

160.2

160.5

160.6

161.3

161.5

162.1

162.6

162.8

163.2

163.5

164.5

165

165.2

165.4

166

167.5

167.6

168.4

168.5

168.8

169.1

169.2

169.4

169.5

169.6

169.8

170.0

170.1

170.3

170.5

170.9

171.8

172.4

172.5

173.3

174.7

174.9

175

175.6

175.7

175.9

176.2

176.3

176.4

176.7

176.9

177.1

178

178.2

178.3

178.5

178.6

178.8

179.3

179.4

179.5

180.2

180.5

180.8

180.9

181.1

181.3

181.6

181.7

182.8

183.3

183.8

183.9

184.2

184.4

185

185.1

185.4

185.5

185.7

187.1

187.2

187.3

187.8

188.2

188.3

189.5

190.0

190.1

190.2

190.4

191.3

192.1

192.4

192.9

193.6

193.9

194.6

195.6

195.7

197.1

197.2

198.1

198.4

198.6

199.6

200.1

200.3

200.6

200.9

201.4

202.7

203.7

204.4

205.7

206

206.2

206.6

206.8

207.0

207.1

208.0

208.6

209.4

209.5

209.7

210.0

211.0

212.1

213.5

213.7

214

214.2

214.8

214.9

215.6

216

216.3

216.6

217.2

217.3

218.2

218.3

218.7

219.4

220.1

221.4

221.5

221.7

221.9

222.3

223.1

224.0

225.6

225.7

226.1

227

227.2

227.3

227.4

227.9

228.6

229.3

229.5

229.7

230.0

230.3

230.4

231.3

232

233.3

234.8

235

235.2

236.1

236.4

236.6

236.9

237.8

238.7

239.8

240.2

241.2

242

243.1

244.8

247.5

248.3

248.5

250

250.5

252.0

253.3

254.9

256.2

256.6

259.4

261.5

261.6

265.1

265.4

265.5

265.6

266.4

267.5

268

268.4

268.5

269.9

270.5

271.2

274.3

274.7

275.2

275.9

277.4

277.7

278.3

279

279.3

281.3

282

282.8

284.0

285.1

285.5

286.9

287.6

288.8

289.5

289.9

290.5

290.6

291.9

292.1

293.2

294.6

297.6

299.3

301.4

301.5

303.0

303.1

303.4

316.6

317.9

326.9

328.4

328.5

331.3

331.7

333.0

334.7

335.2

337.0

338

338.3

340.2

342.5

342.6

343.6

343.7

345.9

346.8

350

352.9

353.6

353.9

355.2

357.3

360.7

365.7

367.0

370.1

381.2

402.4

404.7

406.5

406.8

412.2

416.4

416.7

418.1

422.1

425.7

428

428.2

432.0

432.2

432.6

439.1

439.4

440.5

447.0

448.3

461.1

494.2

499.7

505.1

512.3

512.9

518.4

527.3

535.3

535.9

543.9

547.0

559.0

614.3

621.6

629.5

642.0

669.2

770.3

782.9

830.6
Drawing

Clear

Hook Opposing Angle
- 180° (Standard)
- 90°
Images

Clear

Spring Constant k(N/mm)
0.0019

0.002

0.0041

0.0042

0.0058

0.0059

0.006

0.0069

0.007

0.0073

0.0078

0.008

0.0086

0.0088

0.009

0.0098

0.01

0.0108

0.011

0.0116

0.0118

0.012

0.0127

0.013

0.0134

0.0137

0.014

0.0147

0.015

0.0157

0.016

0.0167

0.0168

0.017

0.0176

0.018

0.0186

0.019

0.0193

0.02

0.0206

0.021

0.0216

0.022

0.0225

0.023

0.0232

0.0235

0.024

0.0245

0.025

0.0255

0.026

0.0262

0.0265

0.027

0.0274

0.028

0.0284

0.029

0.03

0.0304

0.0306

0.031

0.0314

0.032

0.0323

0.033

0.0337

0.034

0.0342

0.0343

0.035

0.0353

0.036

0.0363

0.037

0.0372

0.038

0.0382

0.039

0.0392

0.04

0.0402

0.041

0.0412

0.042

0.0421

0.043

0.0431

0.0433

0.044

0.0441

0.045

0.0451

0.046

0.047

0.0471

0.048

0.049

0.05

0.051

0.0519

0.052

0.0529

0.053

0.0535

0.0539

0.054

0.0549

0.055

0.0559

0.056

0.0563

0.0568

0.057

0.0578

0.058

0.0588

0.059

0.0598

0.06

0.0608

0.061

0.0617

0.062

0.0627

0.063

0.064

0.0647

0.065

0.0657

0.066

0.0666

0.067

0.0676

0.068

0.0686

0.069

0.0696

0.07

0.0706

0.0708

0.071

0.0715

0.072

0.0725

0.073

0.0735

0.074

0.0745

0.075

0.076

0.0764

0.077

0.078

0.0784

0.079

0.0794

0.08

0.0804

0.081

0.0813

0.082

0.0823

0.083

0.0833

0.084

0.0843

0.085

0.0853

0.086

0.0862

0.087

0.0872

0.088

0.0882

0.089

0.0892

0.09

0.0902

0.0904

0.091

0.0911

0.092

0.093

0.0931

0.094

0.0941

0.095

0.0951

0.096

0.097

0.098

0.099

0.1

0.1009

0.101

0.102

0.1029

0.103

0.104

0.105

0.1058

0.106

0.1068

0.107

0.1078

0.108

0.109

0.1098

0.11

0.1107

0.111

0.112

0.1127

0.113

0.1137

0.114

0.1147

0.115

0.116

0.117

0.1176

0.118

0.1186

0.119

0.12

0.121

0.122

0.123

0.1235

0.124

0.1245

0.125

0.1254

0.126

0.127

0.1274

0.128

0.1284

0.129

0.13

0.1303

0.131

0.132

0.1323

0.133

0.1333

0.134

0.1343

0.135

0.136

0.137

0.1372

0.138

0.1382

0.139

0.1392

0.14

0.1401

0.141

0.1411

0.142

0.1421

0.143

0.144

0.145

0.146

0.147

0.148

0.149

0.1499

0.15

0.1509

0.151

0.152

0.1539

0.154

0.1548

0.155

0.156

0.1568

0.157

0.1578

0.158

0.1588

0.159

0.1597

0.16

0.1607

0.161

0.162

0.163

0.1637

0.164

0.165

0.1656

0.166

0.1666

0.167

0.1676

0.168

0.169

0.1695

0.17

0.1705

0.171

0.1715

0.172

0.173

0.174

0.175

0.176

0.1764

0.177

0.178

0.179

0.18

0.1803

0.181

0.182

0.183

0.184

0.185

0.1852

0.186

0.1862

0.187

0.188

0.1882

0.19

0.191

0.192

0.194

0.195

0.196

0.197

0.198

0.1989

0.199

0.2

0.2009

0.201

0.202

0.203

0.2038

0.204

0.205

0.2058

0.206

0.2068

0.207

0.208

0.209

0.2097

0.21

0.211

0.2117

0.212

0.213

0.214

0.2146

0.215

0.2156

0.216

0.2166

0.217

0.2176

0.218

0.219

0.22

0.221

0.222

0.2225

0.223

0.2234

0.224

0.2244

0.225

0.2254

0.226

0.228

0.229

0.23

0.231

0.233

0.2332

0.234

0.235

0.2352

0.237

0.238

0.2381

0.239

0.24

0.2401

0.241

0.2411

0.242

0.244

0.245

0.246

0.247

0.2479

0.248

0.2489

0.249

0.2499

0.25

0.251

0.2519

0.252

0.253

0.2548

0.255

0.257

0.2577

0.258

0.259

0.2597

0.26

0.261

0.262

0.263

0.264

0.2646

0.265

0.266

0.2675

0.268

0.269

0.27

0.2705

0.271

0.272

0.273

0.274

0.2744

0.275

0.276

0.2764

0.277

0.278

0.279

0.28

0.281

0.282

0.2822

0.283

0.284

0.2842

0.285

0.286

0.287

0.2871

0.288

0.289

0.29

0.291

0.293

0.294

0.297

0.299

0.2999

0.3

0.3009

0.301

0.302

0.303

0.3038

0.304

0.307

0.308

0.309

0.3097

0.31

0.3107

0.311

0.312

0.3126

0.313

0.3136

0.314

0.3146

0.315

0.316

0.3165

0.317

0.318

0.3195

0.32

0.3205

0.321

0.322

0.323

0.3234

0.324

0.3244

0.325

0.3263

0.327

0.329

0.33

0.331

0.3312

0.332

0.333

0.334

0.3342

0.335

0.3352

0.337

0.338

0.34

0.3401

0.341

0.342

0.343

0.344

0.346

0.3469

0.347

0.348

0.349

0.35

0.3508

0.351

0.3518

0.352

0.3528

0.353

0.354

0.355

0.3557

0.356

0.357

0.358

0.36

0.361

0.362

0.3626

0.363

0.364

0.366

0.367

0.368

0.3685

0.369

0.37

0.372

0.3724

0.373

0.3744

0.375

0.376

0.3773

0.378

0.38

0.381

0.382

0.3822

0.383

0.3832

0.384

0.385

0.386

0.387

0.39

0.391

0.392

0.393

0.3969

0.397

0.3979

0.398

0.3989

0.4

0.4018

0.402

0.404

0.4067

0.407

0.408

0.409

0.41

0.4116

0.412

0.413

0.414

0.4145

0.415

0.416

0.417

0.418

0.4194

0.42

0.421

0.4214

0.422

0.423

0.425

0.426

0.427

0.428

0.429

0.43

0.431

0.4312

0.432

0.434

0.435

0.436

0.437

0.439

0.44

0.441

0.442

0.4439

0.444

0.445

0.449

0.45

0.4508

0.451

0.453

0.454

0.455

0.457

0.458

0.459

0.46

0.4606

0.461

0.464

0.465

0.4675

0.468

0.4694

0.47

0.4704

0.471

0.474

0.476

0.477

0.4782

0.479

0.48

0.4802

0.481

0.483

0.4831

0.485

0.486

0.487

0.489

0.49

0.491

0.4939

0.494

0.495

0.496

0.4998

0.5

0.5027

0.503

0.504

0.5057

0.506

0.509

0.5096

0.51

0.512

0.5125

0.513

0.514

0.515

0.518

0.519

0.5194

0.52

0.522

0.5223

0.523

0.524

0.525

0.526

0.5272

0.528

0.529

0.5292

0.53

0.531

0.5312

0.532

0.534

0.535

0.538

0.539

0.54

0.542

0.544

0.547

0.548

0.5488

0.549

0.55

0.551

0.552

0.553

0.554

0.555

0.5557

0.556

0.5566

0.557

0.5586

0.559

0.56

0.561

0.564

0.565

0.566

0.567

0.5684

0.569

0.57

0.573

0.575

0.576

0.577

0.578

0.5782

0.579

0.58

0.581

0.583

0.585

0.587

0.588

0.59

0.593

0.595

0.596

0.5978

0.598

0.599

0.6

0.602

0.604

0.6056

0.606

0.6076

0.608

0.609

0.611

0.6174

0.618

0.62

0.621

0.623

0.625

0.6252

0.626

0.627

0.6272

0.628

0.6282

0.629

0.63

0.631

0.632

0.6321

0.633

0.635

0.637

0.64

0.641

0.642

0.643

0.6468

0.647

0.65

0.652

0.6527

0.653

0.6537

0.654

0.6566

0.657

0.659

0.66

0.661

0.664

0.6664

0.667

0.668

0.669

0.67

0.676

0.678

0.68

0.683

0.684

0.685

0.686

0.689

0.69

0.691

0.692

0.694

0.695

0.6958

0.696

0.6968

0.697

0.699

0.7

0.703

0.706

0.71

0.711

0.712

0.718

0.719

0.72

0.723

0.7252

0.726

0.727

0.728

0.729

0.7321

0.733

0.74

0.741

0.7448

0.745

0.7468

0.747

0.75

0.752

0.753

0.7546

0.755

0.756

0.7566

0.757

0.758

0.7595

0.76

0.762

0.7644

0.765

0.772

0.7742

0.775

0.776

0.7791

0.78

0.7811

0.782

0.784

0.785

0.79

0.791

0.793

0.7938

0.794

0.796

0.798

0.8

0.801

0.8036

0.804

0.807

0.81

0.811

0.812

0.8134

0.814

0.815

0.8154

0.816

0.817

0.82

0.821

0.8232

0.824

0.825

0.827

0.829

0.83

0.832

0.833

0.834

0.835

0.838

0.84

0.8448

0.845

0.847

0.848

0.849

0.85

0.853

0.854

0.855

0.856

0.858

0.86

0.862

0.863

0.864

0.867

0.869

0.87

0.871

0.8722

0.873

0.874

0.877

0.878

0.88

0.882

0.883

0.884

0.889

0.89

0.891

0.892

0.895

0.897

0.898

0.9

0.9016

0.902

0.904

0.905

0.909

0.91

0.9114

0.912

0.914

0.919

0.92

0.922

0.925

0.93

0.931

0.932

0.9330

0.934

0.935

0.94

0.9408

0.941

0.942

0.947

0.95

0.9506

0.951

0.9555

0.956

0.957

0.960

0.9604

0.961

0.962

0.963

0.968

0.969

0.9702

0.971

0.972

0.974

0.979

0.98

0.981

0.9829

0.984

0.985

0.9898

0.99

0.996

0.998

0.9996

1

1.0094

1.01

1.014

1.016

1.019

1.0192

1.02

1.023

1.028

1.029

1.03

1.031

1.034

1.0388

1.039

1.04

1.041

1.042

1.0437

1.044

1.05

1.052

1.054

1.059

1.062

1.065

1.068

1.0682

1.069

1.07

1.071

1.072

1.075

1.079

1.08

1.081

1.087

1.0878

1.089

1.09

1.096

1.098

1.099

1.1

1.105

1.107

1.1074

1.108

1.11

1.1172

1.122

1.127

1.128

1.13

1.134

1.14

1.153

1.159

1.16

1.166

1.1662

1.167

1.17

1.173

1.176

1.177

1.178

1.18

1.182

1.1858

1.187

1.1956

1.196

1.2

1.204

1.2054

1.206

1.21

1.2152

1.216

1.217

1.220

1.225

1.226

1.23

1.2348

1.236

1.24

1.2446

1.245

1.25

1.254

1.2544

1.255

1.256

1.26

1.264

1.2642

1.265

1.266

1.27

1.28

1.283

1.2838

1.285

1.29

1.2936

1.294

1.296

1.3

1.305

1.307

1.308

1.31

1.311

1.3132

1.314

1.32

1.321

1.327

1.33

1.3328

1.333

1.334

1.336

1.338

1.3426

1.344

1.349

1.35

1.36

1.362

1.365

1.37

1.374

1.376

1.379

1.38

1.381

1.384

1.387

1.39

1.398

1.40

1.4112

1.412

1.4161

1.417

1.42

1.421

1.434

1.439

1.44

1.445

1.447

1.45

1.46

1.467

1.47

1.471

1.473

1.4798

1.481

1.4896

1.491

1.498

1.499

1.4994

1.5

1.51

1.518

1.519

1.52

1.5288

1.53

1.5435

1.545

1.55

1.555

1.557

1.5582

1.559

1.5621

1.563

1.568

1.569

1.57

1.576

1.5778

1.579

1.5876

1.589

1.593

1.5974

1.598

1.6

1.61

1.611

1.613

1.617

1.618

1.62

1.625

1.6268

1.628

1.629

1.6307

1.631

1.632

1.64

1.6464

1.648

1.65

1.66

1.667

1.67

1.672

1.68

1.683

1.6856

1.686

1.687

1.689

1.7

1.707

1.71

1.713

1.715

1.72

1.723

1.73

1.734

1.7346

1.736

1.74

1.743

1.744

1.75

1.754

1.756

1.7562

1.76

1.77

1.771

1.7738

1.775

1.776

1.781

1.7836

1.785

1.79

1.81

1.821

1.8228

1.824

1.83

1.84

1.841

1.843

1.854

1.858

1.86

1.862

1.863

1.87

1.878

1.88

1.89

1.8914

1.893

1.896

1.9

1.911

1.912

1.9139

1.915

1.9208

1.922

1.924

1.927

1.9306

1.932

1.94

1.95

1.96

1.961

1.9698

1.971

1.9796

1.981

1.9894

1.99

1.991

1.994

1.9992

2.00

2.001

2.007

2.009

2.01

2.02

2.024

2.028

2.0286

2.03

2.0384

2.039

2.04

2.041

2.05

2.06

2.067

2.0678

2.069

2.09

2.0903

2.092

2.094

2.1

2.105

2.11

2.111

2.114

2.1168

2.117

2.118

2.130

2.144

2.15

2.158

2.16

2.17

2.175

2.18

2.192

2.20

2.202

2.209

2.21

2.214

2.22

2.227

2.23

2.237

2.245

2.25

2.26

2.266

2.27

2.2785

2.28

2.29

2.2932

2.295

2.299

2.3

2.318

2.320

2.329

2.332

2.3324

2.334

2.35

2.36

2.3618

2.363

2.39

2.3912

2.393

2.4

2.401

2.403

2.4108

2.412

2.416

2.4206

2.422

2.432

2.434

2.44

2.45

2.452

2.4696

2.471

2.489

2.4892

2.49

2.491

2.5

2.5088

2.509

2.511

2.52

2.5284

2.53

2.5382

2.54

2.542

2.548

2.55

2.5578

2.56

2.5676

2.569

2.592

2.6

2.6166

2.618

2.623

2.6264

2.628

2.634

2.638

2.65

2.654

2.656

2.672

2.676

2.697

2.7

2.7146

2.716

2.72

2.73

2.736

2.74

2.75

2.768

2.770

2.775

2.779

2.78

2.796

2.8

2.81

2.826

2.84

2.863

2.868

2.87

2.878

2.88

2.9

2.905

2.91

2.94

2.95

2.9694

2.971

2.99

3.0184

3.02

3.038

3.04

3.05

3.0576

3.06

3.087

3.089

3.09

3.1262

3.128

3.13

3.136

3.138

3.14

3.15

3.1654

3.168

3.1752

3.177

3.185

3.1948

3.197

3.200

3.2144

3.217

3.226

3.234

3.236

3.24

3.25

3.261

3.262

3.266

3.2732

3.275

3.2928

3.293

3.295

3.33

3.333

3.34

3.341

3.345

3.35

3.36

3.371

3.39

3.4

3.41

3.412

3.43

3.46

3.468

3.479

3.5

3.513

3.52

3.53

3.536

3.55

3.584

3.59

3.597

3.6

3.62

3.6456

3.648

3.65

3.660

3.687

3.73

3.7338

3.736

3.758

3.773

3.776

3.79

3.8

3.8122

3.815

3.819

3.82

3.8318

3.834

3.87

3.889

3.9004

3.903

3.92

3.9592

3.962

3.969

3.97

3.972

3.9788

3.981

3.982

4

4.018

4.021

4.04

4.0474

4.05

4.096

4.116

4.119

4.12

4.13

4.1454

4.148

4.17

4.182

4.188

4.23

4.24

4.26

4.27

4.287

4.295

4.31

4.335

4.34

4.349

4.36

4.384

4.4

4.41

4.419

4.4492

4.452

4.474

4.4884

4.489

4.491

4.5

4.51

4.52

4.525

4.55

4.557

4.56

4.60

4.61

4.65

4.68

4.72

4.74

4.7922

4.795

4.85

4.9

4.9098

4.95

4.9588

4.96

4.962

4.9784

4.982

4.99

5.001

5.0176

5.021

5.0568

5.06

5.10

5.1156

5.119

5.129

5.1352

5.139

5.1744

5.178

5.21

5.25

5.268

5.344

5.39

5.394

5.4

5.437

5.444

5.48

5.55

5.58

5.592

5.6

5.612

5.621

5.65

5.656

5.68

5.69

5.72

5.79

5.87

5.878

5.88

5.89

5.9

5.91

5.978

5.982

5.99

6.027

6.031

6.1152

6.119

6.174

6.178

6.18

6.19

6.2

6.223

6.227

6.24

6.272

6.276

6.3994

6.404

6.419

6.423

6.4288

6.433

6.46

6.464

6.524

6.533

6.57

6.6

6.65

6.68

6.688

6.718

6.77

6.99

7

7.026

7.06

7.071

7.1

7.11

7.16

7.28

7.35

7.45

7.4676

7.473

7.4774

7.482

7.5

7.6

7.644

7.649

7.6538

7.659

7.75

7.777

7.94

7.95

7.962

7.9968

8.002

8.036

8.041

8.0948

8.1

8.14

8.24

8.3

8.34

8.43

8.45

8.5

8.53

8.55

8.6

8.65

8.768

8.782

8.839

8.88

8.8984

8.904

8.92

9.01

9.114

9.12

9.15

9.22

9.3

9.32

9.34

9.4

9.6

9.9

10.0352

10.042

10.0548

10.062

10.1

10.1136

10.12

10.4

10.438

10.5

10.79

10.85

10.89

10.96

11.048

11.18

11.38

11.47

11.67

11.77

11.85

11.9

11.956

11.964

12.0

12.544

12.553

12.642

12.651

12.70

13.04

13.048

13.14

13.34

13.44

13.45

13.53

13.63

13.7

14.40

14.70

14.71

14.8

14.9352

14.945

15.05

15.49

15.59

15.68

15.691

16.31

16.67

16.75

17

17.4

17.50

18.63

18.669

18.682

19.02

19.50

19.65

20.1

20.25

20.5

21.30

21.57

22.46

22.9

23.2

26.48

26.95

27.10

29.85

30.45

33.1

33.75

36.70

37.45

56.80
Clear

Type
- Standard Type
Images

Clear

Allowable Load P2(N)
0.147

0.16

0.1764

0.1862

0.19

0.21

0.2254

0.23

0.2548

0.27

0.3038

0.32

0.3626

0.4

0.4508

0.49

0.539

0.54

0.5684

0.5978

0.62

0.63

0.637

0.64

0.686

0.69

0.7056

0.74

0.76

0.78

0.784

0.84

0.8624

0.88

0.882

0.9

0.93

0.931

0.98

1.029

1.03

1.078

1.13

1.14

1.16

1.176

1.18

1.27

1.274

1.32

1.37

1.372

1.3818

1.4504

1.47

1.48

1.51

1.519

1.52

1.53

1.57

1.617

1.62

1.66

1.67

1.69

1.715

1.72

1.7248

1.764

1.77

1.79

1.813

1.86

1.9

1.92

1.95

2.00

2.058

2.06

2.156

2.16

2.17

2.205

2.21

2.2148

2.25

2.254

2.26

2.3

2.3128

2.32

2.33

2.4

2.45

2.50

2.51

2.61

2.646

2.65

2.75

2.7636

2.79

2.89

2.891

2.90

2.9008

2.94

2.99

3.04

3.11

3.24

3.33

3.38

3.381

3.40

3.43

3.44

3.4594

3.53

3.58

3.626

3.761

3.773

3.78

3.82

3.85

3.90

3.92

4.067

4.07

4.165

4.17

4.22

4.33

4.36

4.40

4.41

4.4296

4.49

4.55

4.577

4.611

4.65

4.81

4.85

4.851

4.90

5

5.15

5.243

5.25

5.39

5.4

5.48

5.488

5.49

5.537

5.573

5.69

5.74

5.772

5.848

5.88

5.90

5.91

5.93

5.98

6.08

6.11

6.37

6.47

6.583

6.713

6.72

6.77

6.958

6.96

7.056

7.06

7.095

7.213

7.225

7.26

7.28

7.35

7.36

7.44

7.54

7.6

7.67

7.75

7.80

7.81

8.05

8.06

8.14

8.3

8.34

8.43

8.51

8.53

8.624

8.63

8.8

8.803

8.82

8.83

9.006

9.016

9.02

9.12

9.163

9.17

9.4

9.453

9.56

9.61

9.69

9.7

9.99

10

10.16

10.192

10.2

10.30

10.398

10.4

10.47

10.69

10.8

10.88

11

11.04

11.08

11.1

11.172

11.18

11.2

11.27

11.28

11.348

11.417

11.496

11.535

11.57

11.7

11.77

12

12.1

12.24

12.26

12.34

12.39

12.432

12.5

12.69

12.75

12.8

12.94

13.1

13.3

13.4

13.44

13.73

13.89

13.9

14

14.02

14.04

14.117

14.181

14.279

14.4

14.432

14.67

14.71

14.76

14.98

15.00

15.2

15.386

15.4

15.5

15.68

15.74

15.8

15.89

15.9

16.09

16.3

16.464

16.66

16.808

16.954

16.97

16.99

17.16

17.2

17.24

17.26

17.36

17.4

17.551

17.8

18.13

18.3

18.326

18.34

18.63

18.66

19.4

19.6

19.82

20.096

20.3

20.384

20.4

20.41

20.5

20.79

21

21.08

21.17

21.216

21.23

21.4

21.462

21.51

21.8

21.85

22.1

22.54

22.62

22.64

22.844

23.24

23.54

23.6

24

24.11

24.3

24.52

25.01

25.284

25.3

25.41

25.458

25.5

25.97

26

26.264

26.46

26.727

27.3

27.5

27.52

27.63

28.08

28.26

28.96

29.7

30.1

30.33

30.48

30.681

30.99

31

31.37

31.38

31.654

31.68

32.309

32.34

32.35

32.9

33

33.15

33.614

34.496

34.52

34.636

34.68

35.07

35.7

36.3

36.75

36.77

36.8

37.12

37.76

38.162

38.24

38.25

38.86

39.2

39.8

39.91

40.02

40.37

40.51

41.19

41.4

41.5

41.68

42.042

42.123

43.15

43.316

45.05

45.16

46.09

46.351

46.36

47.34

47.53

47.57

47.7

47.9

48

49.03

49.2

49.6

50.5

50.8

51.1

51.187

51.250

51.29

51.7

51.83

52.141

52.2

52.49

52.96

53.9

53.94

54.096

54.9

55.58

55.9

56.5

56.75

58.2

58.27

58.8

58.84

59.03

60.82

61.09

61.587

61.6

61.78

61.936

61.98

62.252

62.67

62.76

63.08

63.25

63.5

64.22

64.68

64.9

65.66

65.7

68.62

69.286

69.88

69.93

70.266

70.31

70.61

71.77

73.634

73.98

74.53

74.837

74.95

75.251

76

76.9

77.47

77.6

78.4

78.45

80

80.752

81.05

81.25

81.39

83.22

83.36

86.3

87.26

88.1

89.24

90.360

90.42

91.017

91.2

93.1

93.197

94.62

95.8

98

98.07

100.85

100.94

101.91

103

104.9

107

108.3

108.821

112.659

112.78

114.7

114.74

115.72

117.6

118.98

120.14

120.62

125

126.58

129.3

130

133.069

134.35

135.74

138.76

140.24

150.04

150.23

151.1

154.95

158.02

162.917

166.71

168.5

176.4

181.7

195.15

203

215.6

225.55

236.34

281.45

352

430.51

506

533

665

725

816

910

1049

1196

1540

1628

2285

2658

4763
Drawing

Clear

Initial Tension Pi(N)
0.029

0.0294

0.033

0.0333

0.039

0.0392

0.04

0.049

0.05

0.055

0.0588

0.059

0.06

0.0608

0.061

0.062

0.0627

0.063

0.07

0.08

0.0843

0.086

0.0862

0.087

0.094

0.098

0.1

0.107

0.1078

0.108

0.11

0.12

0.127

0.13

0.135

0.141

0.144

0.147

0.15

0.1568

0.157

0.16

0.165

0.1666

0.167

0.1764

0.177

0.18

0.181

0.186

0.1862

0.187

0.188

0.19

0.193

0.196

0.2

0.21

0.212

0.22

0.2254

0.226

0.23

0.238

0.24

0.245

0.246

0.25

0.2548

0.255

0.26

0.2646

0.265

0.2744

0.275

0.28

0.284

0.287

0.29

0.3

0.301

0.3038

0.304

0.305

0.31

0.32

0.325

0.327

0.33

0.333

0.3332

0.34

0.345

0.346

0.37

0.379

0.38

0.392

0.397

0.4

0.401

0.4116

0.412

0.421

0.43

0.431

0.4312

0.437

0.441

0.45

0.451

0.453

0.46

0.461

0.4704

0.471

0.49

0.497

0.5

0.509

0.5194

0.52

0.53

0.536

0.538

0.5488

0.549

0.56

0.579

0.588

0.59

0.6

0.606

0.608

0.61

0.63

0.633

0.637

0.64

0.647

0.654

0.6566

0.657

0.66

0.666

0.6762

0.677

0.68

0.686

0.69

0.71

0.716

0.72

0.725

0.735

0.77

0.779

0.803

0.82

0.8232

0.824

0.836

0.84

0.85

0.86

0.87

0.88

0.881

0.89

0.92

0.93

0.94

0.945

0.948

0.96

0.961

0.962

0.97

0.971

0.98

0.99

0.996

0.9996

1

1.0094

1.01

1.026

1.029

1.049

1.058

1.059

1.06

1.08

1.088

1.13

1.1466

1.147

1.15

1.159

1.17

1.176

1.177

1.18

1.19

1.204

1.21

1.220

1.23

1.24

1.25

1.26

1.261

1.27

1.28

1.29

1.3

1.31

1.32

1.35

1.361

1.37

1.379

1.382

1.39

1.41

1.42

1.421

1.422

1.43

1.4406

1.442

1.45

1.47

1.48

1.482

1.493

1.50

1.51

1.53

1.55

1.562

1.568

1.569

1.57

1.5778

1.578

1.579

1.6

1.603

1.617

1.630

1.632

1.638

1.6464

1.648

1.65

1.66

1.666

1.667

1.67

1.676

1.677

1.686

1.687

1.695

1.71

1.72

1.7346

1.736

1.764

1.765

1.77

1.78

1.80

1.813

1.85

1.852

1.86

1.865

1.92

1.94

1.96

2.00

2.01

2.03

2.049

2.058

2.059

2.06

2.08

2.09

2.10

2.13

2.146

2.16

2.17

2.21

2.2148

2.216

2.28

2.30

2.3128

2.314

2.315

2.33

2.35

2.39

2.40

2.401

2.403

2.41

2.419

2.45

2.460

2.461

2.499

2.50

2.501

2.519

2.52

2.53

2.54

2.55

2.564

2.589

2.607

2.617

2.646

2.68

2.705

2.707

2.734

2.74

2.744

2.746

2.783

2.785

2.81

2.84

2.87

2.88

2.94

2.96

3.01

3.015

3.03

3.036

3.04

3.062

3.08

3.24

3.27

3.32

3.3418

3.344

3.35

3.38

3.39

3.43

3.432

3.44

3.459

3.462

3.49

3.50

3.517

3.525

3.53

3.58

3.606

3.609

3.64

3.69

3.73

3.75

3.753

3.756

3.77

3.780

3.82

3.84

3.875

3.92

3.95

3.975

3.98

4.02

4.03

4.067

4.07

4.11

4.136

4.21

4.232

4.234

4.236

4.24

4.26

4.30

4.31

4.33

4.332

4.41

4.508

4.51

4.511

4.63

4.68

4.69

4.71

4.72

4.74

4.77

4.775

4.815

4.881

4.9

4.93

5.1

5.12

5.19

5.28

5.35

5.39

5.398

5.40

5.410

5.413

5.443

5.48

5.49

5.517

5.60

5.63

5.80

5.88

6.03

6.05

6.12

6.17

6.20

6.252

6.257

6.301

6.306

6.39

6.40

6.45

6.468

6.47

6.553

6.59

6.605

6.61

6.62

6.6444

6.649

6.66

6.664

6.74

6.77

6.772

6.832

6.86

6.958

6.963

7.09

7.1148

7.12

7.14

7.252

7.35

7.36

7.40

7.408

7.460

7.523

7.55

7.64

7.723

7.75

7.87

7.94

8.13

8.18

8.25

8.26

8.33

8.36

8.39

8.43

8.504

8.6

8.72

8.75

8.82

8.826

8.859

8.865

8.87

9.06

9.12

9.153

9.159

9.230

9.25

9.260

9.32

9.37

9.47

9.60

9.63

9.676

9.702

9.761

9.767

9.80

9.81

9.839

9.846

10.00

10.04

10.09

10.094

10.3

10.49

10.58

10.584

10.6

10.70

10.76

10.829

10.836

10.90

11.07

11.1

11.107

11.12

11.28

11.543

11.66

11.8

11.858

11.866

12.145

12.15

12.21

12.246

12.6

12.70

12.75

12.85

12.95

13.07

13.70

13.73

13.74

13.78

14

14.067

14.083

14.092

14.099

14.6

14.602

14.612

14.71

14.84

15.00

15.023

15.034

15.119

15.13

15.20

15.253

15.68

15.691

15.7

15.78

15.82

16.2

16.278

16.386

16.397

16.410

16.5

16.54

16.56

16.562

16.67

16.694

16.76

16.925

16.936

17.35

17.60

17.64

17.65

17.80

18.012

18.326

18.338

18.424

18.437

18.635

18.66

18.7

18.871

18.99

19.3

19.60

19.61

19.994

20.59

21.28

21.3

21.43

21.462

21.477

21.6

22.00

22.108

22.50

22.56

23.54

23.60

23.63

24.26

24.6

24.80

25.000

25.017

25.186

25.203

25.550

25.87

26.18

26.2

26.440

26.458

27.05

27.14

27.4

27.46

27.86

27.93

27.949

30.04

30.092

31.50

32.8

33

33.04

33.3

34.3

34.49

35.447

35.471

36.28

38.40

39.063

39.089

39.20

39.396

39.423

39.45

40.37

42.34

45.11

45.30

46.6

48.00

54.90

55.390

55.427

55.9

56.35

56.388

56.88

66.15

68.65

82.38

86.544

86.603

123.6
Drawing

Clear

Total Number of Winding N
10.5

11.5

12.5

15.5

19.5

20

24.5

30

31.5

39.5

40

49.5

62.5

63.5

79.5
Clear

Max. Deflection(mm)
0.8

1

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

2.9

3

3.1

3.2

3.3

3.4

3.5

3.6

3.7

3.8

3.9

4

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

4.9

5

5.1

5.2

5.3

5.4

5.5

5.6

5.7

5.8

5.9

6

6.1

6.2

6.3

6.4

6.5

6.6

6.7

6.8

6.9

7

7.1

7.2

7.3

7.4

7.5

7.6

7.7

7.8

7.9

8

8.1

8.2

8.3

8.4

8.5

8.6

8.7

8.8

8.9

9

9.1

9.2

9.3

9.4

9.5

9.6

9.7

9.8

9.9

10

10.1

10.2

10.3

10.4

10.5

10.6

10.7

10.8

10.9

11

11.1

11.2

11.3

11.4

11.5

11.6

11.7

11.8

11.9

12

12.1

12.2

12.3

12.4

12.5

12.6

12.7

12.8

12.9

13

13.1

13.2

13.3

13.4

13.6

13.7

13.8

13.9

14

14.1

14.2

14.3

14.4

14.5

14.6

14.7

14.8

14.9

15

15.1

15.2

15.3

15.4

15.5

15.6

15.7

15.8

15.9

16

16.1

16.2

16.3

16.4

16.5

16.6

16.7

16.8

16.9

17

17.2

17.3

17.4

17.5

17.6

17.7

17.8

17.9

18

18.1

18.2

18.3

18.4

18.5

18.6

18.7

18.8

18.9

19

19.1

19.2

19.3

19.4

19.5

19.6

19.7

19.8

19.9

20

20.1

20.2

20.3

20.4

20.5

20.6

20.7

20.8

20.9

21

21.1

21.2

21.3

21.4

21.5

21.6

21.7

21.8

21.9

22

22.1

22.2

22.3

22.4

22.5

22.6

22.7

22.8

22.9

23

23.1

23.2

23.3

23.4

23.5

23.6

23.7

23.8

23.9

24

24.1

24.2

24.3

24.4

24.5

24.6

24.7

24.8

24.9

25

25.1

25.2

25.3

25.4

25.5

25.6

25.7

25.8

25.9

26

26.1

26.2

26.3

26.4

26.5

26.6

26.7

26.8

26.9

27

27.1

27.2

27.4

27.5

27.6

27.7

27.8

27.9

28

28.1

28.2

28.3

28.4

28.5

28.6

28.7

28.8

28.9

29

29.1

29.2

29.3

29.4

29.5

29.6

29.7

29.8

29.9

30

30.1

30.2

30.3

30.4

30.5

30.6

30.7

30.8

30.9

31

31.1

31.2

31.3

31.5

31.6

31.7

31.8

31.9

32

32.1

32.2

32.4

32.5

32.6

32.7

32.8

32.9

33

33.1

33.2

33.3

33.4

33.5

33.6

33.7

33.8

33.9

34

34.1

34.2

34.3

34.4

34.5

34.6

34.7

34.8

34.9

35

35.1

35.2

35.3

35.4

35.5

35.6

35.7

35.8

35.9

36

36.1

36.2

36.3

36.4

36.5

36.6

36.7

36.8

36.9

37

37.1

37.3

37.4

37.5

37.6

37.7

37.8

37.9

38

38.1

38.3

38.4

38.5

38.6

38.7

38.8

39.1

39.2

39.3

39.5

39.6

39.7

39.8

39.9

40

40.1

40.2

40.4

40.5

40.6

40.7

40.8

40.9

41

41.1

41.2

41.3

41.4

41.5

41.6

41.7

41.8

41.9

42

42.1

42.2

42.3

42.4

42.5

42.6

42.7

42.8

43

43.1

43.2

43.3

43.4

43.5

43.6

43.7

43.9

44

44.1

44.2

44.3

44.4

44.6

44.7

44.8

44.9

45

45.1

45.3

45.4

45.5

45.6

45.7

45.8

45.9

46

46.1

46.2

46.3

46.4

46.5

46.7

46.8

46.9

47

47.1

47.2

47.3

47.4

47.5

47.6

47.7

47.8

47.9

48.1

48.2

48.3

48.6

48.7

48.8

48.9

49

49.1

49.2

49.3

49.4

49.5

49.6

49.7

49.8

49.9

50

50.1

50.2

50.3

50.4

50.5

50.6

50.7

50.8

50.9

51

51.1

51.2

51.4

51.5

51.6

51.7

51.8

52.0

52.1

52.2

52.4

52.7

52.8

52.9

53

53.1

53.2

53.3

53.5

53.6

53.7

53.8

53.9

54

54.1

54.2

54.3

54.6

54.7

55

55.1

55.2

55.3

55.4

55.6

55.7

55.9

56

56.1

56.3

56.4

56.5

56.6

56.7

56.8

56.9

57

57.1

57.2

57.3

57.4

57.5

57.6

57.8

58

58.1

58.2

58.3

58.4

58.5

58.6

58.8

59

59.1

59.2

59.3

59.4

59.5

59.8

60.0

60.2

60.3

60.4

60.5

60.6

60.7

60.8

60.9

61.2

61.3

61.4

61.6

61.7

61.8

61.9

62

62.1

62.2

62.4

62.6

62.9

63.0

63.1

63.3

63.4

63.5

63.6

63.9

64

64.1

64.2

64.4

64.5

64.7

64.9

65.0

65.3

65.4

65.5

65.7

65.9

66

66.2

66.5

66.6

66.7

66.8

66.9

67

67.3

67.4

67.5

68

68.1

68.2

68.4

68.5

68.7

68.8

68.9

69.0

69.1

69.3

69.4

69.6

69.7

69.9

70

70.4

70.6

70.8

71.2

71.4

71.5

71.8

72

72.1

72.5

72.7

72.9

73

73.1

73.2

73.3

73.5

73.6

73.8

73.9

74.1

74.7

74.8

74.9

75

75.1

75.5

75.6

75.7

75.8

75.9

76.1

76.4

76.6

76.7

76.9

77.0

77.2

77.7

77.9

78.2

78.3

78.6

78.7

78.8

78.9

79

79.1

79.2

79.3

79.4

79.6

79.7

79.8

79.9

80.0

80.5

80.7

80.8

80.9

81.0

81.1

81.2

81.4

81.7

81.8

82

82.1

82.5

82.6

82.7

82.8

83.2

83.4

83.6

84.0

84.3

84.4

84.5

84.6

84.8

84.9

85

85.2

85.3

85.5

85.7

86.5

86.8

87.1

88.2

88.4

88.6

89

89.3

89.4

89.8

90.0

90.1

90.3

90.4

90.5

90.6

90.7

91.0

91.3

91.6

91.9

92.4

92.5

92.9

93

93.2

93.4

93.5

93.6

94

94.1

94.3

94.4

94.5

95.0

95.2

95.6

96.5

97.0

97.4

97.8

97.9

98

98.2

98.3

98.5

99.1

99.2

99.3

99.4

99.6

99.7

99.8

100

101.2

101.8

102.0

102.8

103

103.7

104

104.5

104.6

105.5

105.8

106

106.1

106.2

106.9

107

107.3

107.6

107.8

108.1

108.5

109

109.5

110.9

111

111.6

111.7

111.8

112.4

112.6

113

113.9

114

114.4

114.8

115.1

115.3

115.5

115.6

115.9

116.2

116.3

116.4

117.8

118

118.1

119

119.5

119.9

120

120.1

120.5

121

121.6

122

122.2

122.6

122.7

124

124.2

124.4

124.8

125

125.2

125.6

126

126.3

126.4

127.3

127.7

128

128.5

129.2

129.6

130

131.2

131.5

132

132.1

132.9

134.1

135.0

136.1

136.5

136.7

137.2

137.4

137.8

138

138.6

139.2

139.5

141.2

141.5

141.7

142.9

144.3

145.0

145.7

145.8

146.2

147.8

148

148.2

149.1

150

150.1

150.3

153

153.3

153.4

154.5

155

155.1

157.3

157.4

158.3

159.5

160

160.1

161.3

161.8

162.0

164.5

165

165.9

166

167.1

167.4

167.5

167.7

168.1

169.5

169.6

169.8

170

171.3

172

172.8

173

175.3

177.2

181.8

182.2

182.4

183.4

185.8

186.2

187.3

191

191.2

192.0

192.2

193.2

197.4

199

200

200.2

201.6

203.1

203.9

204.6

206.2

208

210.3

212

215.5

217

220.5

224

231.7

231.8

232.2

238.5

249

250

252.7

254.9

256

256.2

274.3

280.5

285.2

294.9

300

321.2

322.1

349.1

350

400

405.9

410

421.0

440.0

449.0

450

457.0

458.7

459.0

473.0

487.0

492.0

500

516.8

550

600

605.7

606.0

610.0

631.0

645.0

655.0

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FAQ Tension Springs

Question: For what purpose are tension springs utilized?: Answer: Tension springs are widely utilized in factory automation for various purposes, including maintaining tension and control in conveyor systems, balancing robotic arms for precise movements, ensuring the proper functioning of safety devices, providing force in assembly and packaging equipment, and enabling secure gripping in industrial tools. These springs play a crucial role in ensuring smooth operation, precise movement, and reliable performance in automated systems and equipment used in factory automation processes.
Question: What distinguishes tension springs from torsion springs?: Answer: Tension springs are designed to resist stretching forces, whereas torsion springs resist twisting or rotational forces. Tension springs extend when a force is applied, while torsion springs exert torque when twisted. Their distinct designs enable them to serve different purposes in different mechanical systems.
Question: How do you measure the strength of a tension spring?: Answer: Measuring the strength of a tension spring involves using a force gauge or a load cell. These tools help in gradually applying weights or loads to the suspended spring while measuring its extension. The spring rate, which represents the spring's strength, is calculated by dividing the change in force by the change in length when the spring is extended.
Question: What are the common materials used to make tension springs?: Answer: Tension springs are commonly made from materials like stainless steel, music wire (high-carbon steel), or various alloys. Stainless steel offers corrosion resistance, while music wire provides high strength. Alloy materials offer specific properties like heat resistance or conductivity, depending on the application requirements.
Question: Can a tension spring be adjusted or calibrated for a specific application?: Answer: Yes, tension springs can be adjusted or calibrated for specific applications. By altering factors like the wire diameter, numbers of turns, or length, the spring's characteristics such as force, tension, or extension can be modified. This allows for customization to match the requirements of a particular application. However, adjusting tension springs should be done carefully, considering the intended function and safety considerations.

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MISUMI Tension Springs（Material：SWP-B）

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