How do I know what torsion spring I need for my work?

To determine the appropriate torsion spring for your work, you need to consider factors such as required torque, angular deflection, wire diameter, coil diameter, and leg length. Calculating these parameters using spring design equations or consulting with a mechanical engineer can help identify the specific torsion spring that meets your application's requirements.

How do you calculate the torque of a torsion spring?

To calculate the torque of a torsion spring, you need to know the spring constant (k) and the angular deflection (θ). The torque (M) can be calculated using the formula: M = k * θ. The spring constant is determined by the material properties and spring geometry, while the angular deflection is the amount of twist applied to the spring.

What factors affect the lifespan of a torsion spring?

The lifespan of a torsion spring is influenced by several factors. These include the quality of the spring material, the design and manufacturing process, the applied load and stress levels, the frequency and magnitude of cycles, environmental conditions (such as temperature and corrosive agents), proper installation and maintenance practices, and the avoidance of excessive overloading or fatigue conditions.

How do you install and maintain a torsion spring?

To install a torsion spring, mount it securely on the shaft, ensuring proper alignment and balance. Apply appropriate lubrication to minimize friction and wear. Maintain the spring by regularly inspecting for signs of fatigue, wear, or damage. Replace worn or damaged springs promptly. Keep the spring clean and free from debris. Follow manufacturer guidelines and recommended maintenance practices for optimal performance and longevity.

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Torsion Springs（Inner Dia. ID：Ø12）

Torsion springs are a type of wire spring. They are springs that receive a twisting moment around the coil. The shape of torsion spring ends is determined by the mounting location and method, enabling selection of 90-, 135- or 180-degree arm angles. Unlike compression springs and tension springs, torsion springs can reduce the design space and labor. Torsion springs can be classified primarily into close-wound and pitch-wound types. When selecting a torsion spring, it's important to carefully check the free length, average coil diameter and spring constant to select the right model for the usage environment or application. But when selecting models, note that different manufacturers define free length differently.

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Brand	(0) (0) ACCURATE (1) SAMINI (2) SHINSEI HATSUJHO (0) SHOWA SPRING (1)
CAD	2D 3D
Days to Ship	All Same day 4 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less Others

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Torsion Spring, SUS304-WPB

SAMINI

· SAMINI Torsion Springs-Arm angles of 90°/135°/180°.· The series including of 33 and 34 types.· Material: Stainless Steel (SUS304-WPB)· Arm Angle: 90°/135°/180°.· Type of Arm Angle: Right-hand coil and Left-hand coil.· Inner Diameter: 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16 and 18.· Number of Winding n: 2, 3 and 5.· Torsion springs are used in various applications such as automotive, aerospace, industrial machinery, and electrical devices.· Idlers for Flat Belts (Width T=6–32)-Flanged / Crowned.

CAD ：: 3D

Free Angle θ	Inner Dia. ID	Helix Angle φd2(deg)	Wire Dia. d(Ø)	Number of Winding n	Spring Constant k(N･mm/deg)	Material
90° Right Winding Coil / 135° Right Winding Coil / 180° Right Winding Coil / 90° Left Winding Coil / 135°Left Winding Coil / 180°Left Winding Coil	Ø12	31 ～ 125	1.2 ～ 1.8	2 / 3 / 5	1.52 ～ 19.3	Stainless Steel

From: 101,311 VND
Days to Ship: Số ngày giao hàng: 4 Day(s) or more

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Double Torsion Spring

SAMINI

· Consists of two torsion springs combined.· Produces double the torque at the same twist angle when compared with conventional torsion coil springs.

Free Angle θ	Inner Dia. ID	Helix Angle φd2(deg)	Wire Dia. d(Ø)	Number of Winding n	Spring Constant k(N･mm/deg)	Material
Left and Right Winding 90° coils / Left and Right Winding 135° coils	Ø12	41 ～ 66	2	3 / 4 / 5	22.6 ～ 35.6	Stainless Steel

From: 170,173 VND
Days to Ship: Số ngày giao hàng: 5 Day(s) or more

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Torsion Spring

ACCURATE

· Torsion Springs-Arm angles of 90°/135°/180°.· The series includes T and TL type.· Material: Stainless Steel (SUS304-WPB)· Arm Angle: 90°/135°/180°.· Type of Arm Angle: Right-hand coil and Left-hand coil.· Inner Diameter: 3, 4, 5, 6, 7, 8, 9, 10, 12 and 14.· Number of Winding n: 2, 3, 4 and 5.· Torsion springs are used in various applications such as automotive, aerospace, industrial machinery, and electrical devices.· Torsion springs are designed to generate torque or rotational force when twisted or subjected to angular deflection.

CAD ：: 2D / 3D

Free Angle θ	Inner Dia. ID	Helix Angle φd2(deg)	Wire Dia. d(Ø)	Number of Winding n	Spring Constant k(N･mm/deg)	Material
90° Right Winding Coil / 135° Right Winding Coil / 180° Right Winding Coil / 90° Left Winding Coil / 135°Left Winding Coil / 180°Left Winding Coil	Ø12	32 ～ 115	1.2 ～ 1.8	2 / 3 / 4 / 5	1.45 ～ 15.49	Stainless Steel

From: 230,737 VND
Days to Ship: Số ngày giao hàng: 4 Day(s) or more

4 Day(s) or more

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Torsion Coil Spring【2 Pieces Per Package】

SHOWA SPRING

We have standardized this torsion coil spring to help customers with spring design or calculation issues.[Features]- Made of stainless steel wire (φ 0.3 mm to φ 2.0 mm in diameter) with cold-molding for general use.- JISG4313 (stainless steel wire for spring) type B, SUS304WP-B.- * Features corrosion and heat resistance (to about 250 °C).- 350 °C to 400 °C low temperature annealing (no surface treatment).

Free Angle θ	Inner Dia. ID	Helix Angle φd2(deg)	Wire Dia. d(Ø)	Number of Winding n	Spring Constant k(N･mm/deg)	Material
90° Right Winding Coil / 135° Right Winding Coil / 180° Right Winding Coil	Ø12	50 ～ 107	1.2 ～ 1.8	4 / 5	-	Stainless Steel

From: 520,753 VND
Special Price
Days to Ship: Số ngày giao hàng: 6 Day(s) or more

6 Day(s) or more


BrandNhãn hiệu
Product SeriesDòng sản phẩm
CADCAD
From
Days to ShipSố ngày giao hàng
Free Angle θ
Inner Dia. ID
Helix Angle φd2(deg)
Wire Dia. d(Ø)
Number of Winding n
Spring Constant k(N･mm/deg)
Material

	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
BrandNhãn hiệu	SAMINI	SAMINI	ACCURATE	SHOWA SPRING
Product SeriesDòng sản phẩm	Torsion Spring, SUS304-WPB	Double Torsion Spring	Torsion Spring	Torsion Coil Spring【2 Pieces Per Package】
CADCAD	3D		2D / 3D
From	101,311 VND	170,173 VND	230,737 VND	520,753 VND Special Price On Sale Till 31/03/2025
Days to ShipSố ngày giao hàng	4 Day(s) or more	5 Day(s) or more	4 Day(s) or more	6 Day(s) or more
Free Angle θ	90° Right Winding Coil / 135° Right Winding Coil / 180° Right Winding Coil / 90° Left Winding Coil / 135°Left Winding Coil / 180°Left Winding Coil	Left and Right Winding 90° coils / Left and Right Winding 135° coils	90° Right Winding Coil / 135° Right Winding Coil / 180° Right Winding Coil / 90° Left Winding Coil / 135°Left Winding Coil / 180°Left Winding Coil	90° Right Winding Coil / 135° Right Winding Coil / 180° Right Winding Coil
Inner Dia. ID	Ø12	Ø12	Ø12	Ø12
Helix Angle φd2(deg)	31 ～ 125	41 ～ 66	32 ～ 115	50 ～ 107
Wire Dia. d(Ø)	1.2 ～ 1.8	2	1.2 ～ 1.8	1.2 ～ 1.8
Number of Winding n	2 / 3 / 5	3 / 4 / 5	2 / 3 / 4 / 5	4 / 5
Spring Constant k(N･mm/deg)	1.52 ～ 19.3	22.6 ～ 35.6	1.45 ～ 15.49	-
Material	Stainless Steel	Stainless Steel	Stainless Steel	Stainless Steel

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ConfigureTạo

Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước

Free Angle θ
- 90° Right Winding Coil
- 135° Right Winding Coil
- 180° Right Winding Coil
- 90° Left Winding Coil
- 135°Left Winding Coil
- 180°Left Winding Coil
- Left and Right Winding 90° coils
- Left and Right Winding 135° coils
Images

ClearTrống

Inner Dia. ID
Ø2

Ø3

Ø4

Ø5

Ø5.5

Ø6

Ø7

Ø8

Ø9

Ø10

Ø12

Ø14

Ø16

Ø18
Drawing

ClearTrống

Helix Angle φd2(deg)
26

27

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

114

115

116

119

122

125

128

131

134

135

137

140

144
Drawing

ClearTrống

Wire Dia. d(Ø)
0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

1.2

1.4

1.5

1.6

1.8

2

2.3

2.6

2.9
Drawing

ClearTrống

Number of Winding n
- 2
- 3
- 4
- 5
Drawing

ClearTrống

Spring Constant k(N･mm/deg)
0.0088

0.0090

0.0093

0.0115

0.0119

0.0124

0.02

0.024

0.025

0.0289

0.0295

0.03

0.0302

0.0304

0.0314

0.0345

0.0354

0.0363

0.038

0.0387

0.04

0.0403

0.042

0.05

0.055

0.056

0.058

0.059

0.0617

0.062

0.0630

0.0643

0.07

0.0722

0.073

0.0736

0.0744

0.075

0.0755

0.076

0.0774

0.08

0.09

0.091

0.0918

0.094

0.0955

0.0970

0.098

0.0996

0.1

0.11

0.112

0.1138

0.115

0.1161

0.118

0.1185

0.12

0.122

0.127

0.13

0.131

0.134

0.1357

0.1368

0.137

0.139

0.1409

0.141

0.1425

0.1454

0.148

0.15

0.16

0.17

0.173

0.177

0.1793

0.18

0.181

0.184

0.1866

0.1894

0.190

0.191

0.192

0.1933

0.194

0.1944

0.1974

0.199

0.2

0.21

0.217

0.22

0.224

0.225

0.2259

0.229

0.23

0.2314

0.235

0.2363

0.2373

0.2436

0.2512

0.256

0.26

0.271

0.272

0.279

0.28

0.286

0.288

0.29

0.301

0.302

0.306

0.309

0.3099

0.313

0.316

0.319

0.32

0.3224

0.332

0.3360

0.34

0.35

0.352

0.36

0.361

0.376

0.391

0.4

0.403

0.41

0.426

0.43

0.440

0.443

0.45

0.453

0.457

0.461

0.469

0.47

0.472

0.476

0.487

0.4939

0.498

0.5041

0.506

0.5147

0.52

0.522

0.527

0.552

0.56

0.57

0.582

0.587

0.5891

0.596

0.6037

0.61

0.611

0.6190

0.63

0.635

0.640

0.65

0.656

0.67

0.672

0.68

0.682

0.699

0.703

0.715

0.716

0.72

0.726

0.744

0.75

0.755

0.77

0.787

0.791

0.8

0.802

0.822

0.83

0.84

0.843

0.87

0.878

0.900

0.922

0.94

0.96

0.978

1.02

1.03

1.04

1.05

1.07

1.08

1.10

1.11

1.12

1.13

1.15

1.18

1.19

1.21

1.2262

1.23

1.30

1.31

1.32

1.34

1.35

1.36

1.38

1.40

1.41

1.42

1.44

1.45

1.48

1.49

1.52

1.53

1.54

1.56

1.58

1.59

1.592

1.62

1.68

1.686

1.69

1.73

1.77

1.79

1.80

1.84

1.87

1.88

1.96

1.98

2.01

2.03

2.05

2.06

2.08

2.09

2.11

2.17

2.18

2.23

2.28

2.29

2.3

2.31

2.32

2.34

2.41

2.42

2.44

2.45

2.47

2.50

2.51

2.53

2.55

2.57

2.65

2.66

2.81

2.82

2.86

2.91

2.93

2.95

3.12

3.17

3.18

3.22

3.26

3.28

3.30

3.34

3.41

3.42

3.44

3.51

3.52

3.54

3.57

3.60

3.61

3.62

3.66

3.69

3.75

3.78

3.8

3.81

3.89

3.95

3.98

4.05

4.11

4.13

4.18

4.22

4.28

4.45

4.46

4.58

4.59

4.63

4.66

4.77

4.85

4.89

5.05

5.08

5.12

5.16

5.17

5.23

5.25

5.26

5.37

5.38

5.44

5.46

5.47

5.54

5.59

5.62

5.70

5.72

5.73

5.77

5.81

5.95

6.00

6.04

6.14

6.25

6.30

6.33

6.39

6.41

6.42

6.44

6.58

6.74

6.85

7

7.03

7.35

7.5

7.52

7.53

7.60

7.72

7.82

8.04

8.15

8.23

8.28

8.33

8.39

8.55

8.59

8.6

8.61

8.80

8.82

8.89

8.96

9.02

9.17

9.25

9.37

9.44

9.55

9.64

9.66

9.8

9.90

10.2

10.4

10.8

10.9

11.06

11.2

11.3

11.5

11.52

11.8

11.9

12.0

12.2

12.4

12.7

12.9

13.3

13.5

13.6

13.9

14.0

14.3

14.4

14.53

15.0

15.49

15.6

15.9

16.2

16.9

17.2

17.6

18.2

19.3

20.0

20.36

21.2

21.5

22.4

22.5

22.6

23.3

23.7

23.9

24.3

24.9

25.4

27.2

28.1

31.1

32.7

32.9

33.5

34.0

34.3

35.0

35.6

38.3

39.9

41.5

52.8

53.6

54.9

55.4

57.2

58.6

62.3

76.3

80.8

85.8
ClearTrống

Material
- Stainless Steel
- Steel
ClearTrống

Application example related to this categoryVí dụ ứng dụng liên quan đến danh mục này

back next

Related Categories to Torsion SpringsDanh mục liên quan đến Torsion Springs

FAQ Torsion Springs

Question: How do I know what torsion spring I need for my work?: Answer: To determine the appropriate torsion spring for your work, you need to consider factors such as required torque, angular deflection, wire diameter, coil diameter, and leg length. Calculating these parameters using spring design equations or consulting with a mechanical engineer can help identify the specific torsion spring that meets your application's requirements.
Question: How do you calculate the torque of a torsion spring?: Answer: To calculate the torque of a torsion spring, you need to know the spring constant (k) and the angular deflection (θ). The torque (M) can be calculated using the formula: M = k * θ. The spring constant is determined by the material properties and spring geometry, while the angular deflection is the amount of twist applied to the spring.
Question: What factors affect the lifespan of a torsion spring?: Answer: The lifespan of a torsion spring is influenced by several factors. These include the quality of the spring material, the design and manufacturing process, the applied load and stress levels, the frequency and magnitude of cycles, environmental conditions (such as temperature and corrosive agents), proper installation and maintenance practices, and the avoidance of excessive overloading or fatigue conditions.
Question: How do you install and maintain a torsion spring?: Answer: To install a torsion spring, mount it securely on the shaft, ensuring proper alignment and balance. Apply appropriate lubrication to minimize friction and wear. Maintain the spring by regularly inspecting for signs of fatigue, wear, or damage. Replace worn or damaged springs promptly. Keep the spring clean and free from debris. Follow manufacturer guidelines and recommended maintenance practices for optimal performance and longevity.

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MISUMI Vietnam Company Limited, Legal Representative: Tomohiro Watanabe,
phone: 0222-361-1555, e-mail: cs@misumi.com.vn, Enterprise Code: 0107514576,
Date of Issuance: 22 July 2016, Place of Issuance: Bac Ninh, Business Certificate No. 6573041568-KD dated 27 September 2016 issued by the People's Committee of Bac Ninh

Công ty TNHH MISUMI Việt Nam, Đại diện theo pháp luật: Tomohiro Watanabe,
Điện thoại: 0222-361-1555, e-mail: cs@misumi.com.vn, Mã số doanh nghiệp: 0107514576,
ngày cấp 22/7/2016, nơi cấp: Bắc Ninh, Giấy phép kinh doanh số: 6573041568-KD ngày cấp 27/9/2016 bởi UBND tỉnh Bắc Ninh

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Torsion Springs（Inner Dia. ID：Ø12）

ConfigureTạo

Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước

Free Angle θ

Inner Dia. ID

Helix Angle φd2(deg)

Wire Dia. d(Ø)

Number of Winding n

Spring Constant k(N･mm/deg)

Material

Application example related to this categoryVí dụ ứng dụng liên quan đến danh mục này

Related Categories to Torsion SpringsDanh mục liên quan đến Torsion Springs

FAQ Torsion Springs

About MISUMIVề Misumi

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Customer ServiceDịch vụ chăm sóc khách hàng

MISUMI Contact Monday to Saturday: 8:00 am - 5:00 pm Order cut off time is 5:00 pm Thứ 2 đến Thứ 7: 8 giờ sáng đến 5 giờ chiều Hạn chót đặt hàng là 5 giờ chiều