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MISUMI Torsion Springs（Free Angle θ：135°Left Winding Coil）
MISUMI offers products Torsion Springs specified by Free Angle θ 135°Left Winding Coil from Automation Components product category. There are a total of 3 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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MiSUMi EconomyTorsion Springs, Arm Angle (90°/135°/180°)
MiSUMi EconomyMISUMI
· Economy Torsion Springs Series -Arm angles of 90°/135°/180°.
· The series includes C-UA90R, C-UA90L, C-UA135R, C-UA135L, C-UA180R and C-UA180R.
· Material: Stainless Steel (SUS304-WPB)
· Arm Angle: 90°/135°/180°.
· Type of Arm Angle: Right Winding and Left Winding
· Inner Diameter: 2, 3, 4, 5 and 6
· Number of coil n: 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.- Volume Discount
Free Angle θ Environmentally friendly Inner Dia. ID Characteristics/Applications Helix Angle φd2(deg) Wire Dia. d(Ø) Number of Winding n Spring Constant k(N･mm/deg) Material Cleaning Method 135°Left Winding Coil - Ø2 ～ Ø6 - - 0.3 ～ 1 3 / 4 / 5 - Steel -
Days to Ship: 17 Day(s) 
17 Day(s)
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You can add up to 6 items per a category to the compare list.
MISUMI
· Torsion Springs Arm angles of 90°/135°/180°.
· The series includes UA90R, UA90L, UA135R, UA135L, UA180R and UA180R.
· Material: Stainless Steel (SUS304-WPB)
· Arm Angle: 90°/135°/180°.
· Type of Arm Angle: Right Winding and Left Winding
· Inner Diameter: 2, 3, 4, 5 and 6
· Number of coil 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.Free Angle θ Environmentally friendly Inner Dia. ID Characteristics/Applications Helix Angle φd2(deg) Wire Dia. d(Ø) Number of Winding n Spring Constant k(N･mm/deg) Material Cleaning Method 135°Left Winding Coil - Ø2 ～ Ø6 - 36 ～ 73 0.2 ～ 1 2 / 3 / 4 / 5 0.009 ～ 0.6037 Stainless Steel - Days to Ship: 13 Day(s) or more
13 Day(s) or more
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You can add up to 6 items per a category to the compare list.
![[Clean & Pack]Torsion Springs](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/110310740429/110310740429_001_20230911105917.jpg?$product_view_b$)
MISUMI
Three types of cleaning methods are available: degreasing, precision cleaning, and electrolytic polishing + precision cleaning. They can be ordered from one piece with the standard part number.
This eliminates the need for customer cleaning or outsourced cleaning, reducing the amount of time and effort required.■Part Number for Clean & Pack Products·Degreasing (Anti-rust single packing) : Part Number SL-□□ ·Precision cleaning (Degassing double packing) : Part Number SH-□□ ·Electrolytic polishing + precision cleaning (Degassing double packing) : Part Number SHD-□□ Product Part Number Cleaning Method Packaging Type Effects Compared to Uncleaned Product Environment (Standard) Process SL-□□ Degreasing Anti-rust packing Oil removal General environment Regular assembly process Post battery assembly process SH-□□ Precision cleaning Degassing double packing Oil removal
Dust removalClean environment (Class 10 to 1,000) Battery assembly process LCD-related post assembly process In-vehicle camera assembly process SHD-□□ Electrolytic polishing + precision cleaning Degassing double packing Oil removal
Dust removal
Outgas reductionVacuum environment
Clean environment (Class 10 to 1,000)Pre-semiconductor process Liquid crystal deposition process Pre-OLED process ■Notes
Cleaning also removes rust prevention oil, which may make the product more susceptible to rusting than an uncleaned product.
Please be careful about the application location and storage environment.[Features]Arm angles of 90°/135°/180° are available for right and left winding.
- Volume Discount
Free Angle θ Environmentally friendly Inner Dia. ID Characteristics/Applications Helix Angle φd2(deg) Wire Dia. d(Ø) Number of Winding n Spring Constant k(N･mm/deg) Material Cleaning Method 135°Left Winding Coil RoHS Compliant (10 Substances) Ø2 ～ Ø6 Clean Washed 25 ～ 73 0.2 ～ 1 2 / 3 / 4 / 5 0.009 ～ 1.4394 Stainless Steel Degreasing / Precision Cleaning / Electrolytic Polishing + Precision Cleaning Days to Ship: 9 Day(s) or more
9 Day(s) or more
![[Clean & Pack]Torsion Springs](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/110310740429/110310740429_001_20230911105917.jpg?$product_view_b$)
| Brand |
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| Product Series |
| CAD |
| From |
| Days to Ship |
| Specifications |
| Free Angle θ |
| Environmentally friendly |
| Inner Dia. ID |
| Characteristics/Applications |
| Helix Angle φd2(deg) |
| Wire Dia. d(Ø) |
| Number of Winding n |
| Spring Constant k(N･mm/deg) |
| Material |
| Cleaning Method |
You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.    | You can add up to 6 items per a category to the compare list. ![[Clean & Pack]Torsion Springs](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_c/v1/p/jp/product/series/110310740429/110310740429_001_20230911105917.jpg?$product_view_c$) | |
| Brand | MISUMI | MISUMI | MISUMI |
| Product Series | |||
| CAD |
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| From | - | - | - |
| Days to Ship | 17 Day(s) | 13 Day(s) or more | 9 Day(s) or more |
| Specifications | |||
| Free Angle θ | 135°Left Winding Coil | 135°Left Winding Coil | 135°Left Winding Coil |
| Environmentally friendly | - | - | RoHS Compliant (10 Substances) |
| Inner Dia. ID | Ø2 ～ Ø6 | Ø2 ～ Ø6 | Ø2 ～ Ø6 |
| Characteristics/Applications | - | - | Clean Washed |
| Helix Angle φd2(deg) | - | 36 ～ 73 | 25 ～ 73 |
| Wire Dia. d(Ø) | 0.3 ～ 1 | 0.2 ～ 1 | 0.2 ～ 1 |
| Number of Winding n | 3 / 4 / 5 | 2 / 3 / 4 / 5 | 2 / 3 / 4 / 5 |
| Spring Constant k(N･mm/deg) | - | 0.009 ～ 0.6037 | 0.009 ～ 1.4394 |
| Material | Steel | Stainless Steel | Stainless Steel |
| Cleaning Method | - | - | Degreasing / Precision Cleaning / Electrolytic Polishing + Precision Cleaning |
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Configure
Specification/Dimensions
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Free Angle θ
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Environmentally friendly
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Inner Dia. ID
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Characteristics/Applications
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Helix Angle φd2(deg)
- 23
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- 25
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- 75(0.6) 54(0.8)
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Wire Dia. d(Ø)
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Number of Winding n
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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
- 0.0428
- 0.0441
- 0.0455
- 0.05
- 0.055
- 0.056
- 0.0563
- 0.058
- 0.0586
- 0.059
- 0.0611
- 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
- 0.0882
- 0.09
- 0.091
- 0.0912
- 0.0918
- 0.0920
- 0.094
- 0.0955
- 0.0970
- 0.098
- 0.0996
- 0.1
- 0.1054
- 0.1080
- 0.11
- 0.1108
- 0.112
- 0.1138
- 0.115
- 0.1161
- 0.118
- 0.1185
- 0.1199
- 0.12
- 0.122
- 0.1248
- 0.127
- 0.13
- 0.1301
- 0.131
- 0.134
- 0.1357
- 0.1368
- 0.137
- 0.139
- 0.1409
- 0.141
- 0.1425
- 0.1454
- 0.1471
- 0.148
- 0.15
- 0.1501
- 0.1533
- 0.16
- 0.1680
- 0.17
- 0.173
- 0.1732
- 0.1756
- 0.177
- 0.1787
- 0.1793
- 0.1799
- 0.18
- 0.181
- 0.184
- 0.1845
- 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
- 0.2206
- 0.224
- 0.225
- 0.2259
- 0.229
- 0.2296
- 0.23
- 0.2314
- 0.2315
- 0.235
- 0.2363
- 0.2373
- 0.2394
- 0.2413
- 0.2436
- 0.2512
- 0.256
- 0.26
- 0.271
- 0.272
- 0.2763
- 0.279
- 0.2797
- 0.28
- 0.2831
- 0.286
- 0.288
- 0.2883
- 0.29
- 0.2903
- 0.2974
- 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
- 0.3672
- 0.376
- 0.3821
- 0.391
- 0.3983
- 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
- 0.5811
- 0.582
- 0.587
- 0.5891
- 0.5931
- 0.596
- 0.6037
- 0.6056
- 0.61
- 0.611
- 0.6190
- 0.63
- 0.635
- 0.640
- 0.65
- 0.656
- 0.67
- 0.672
- 0.68
- 0.682
- 0.6936
- 0.699
- 0.703
- 0.7108
- 0.715
- 0.716
- 0.72
- 0.726
- 0.7289
- 0.7299
- 0.744
- 0.75
- 0.7523
- 0.755
- 0.77
- 0.7762
- 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
- 0.9590
- 0.96
- 0.978
- 0.9981
- 1.02
- 1.03
- 1.04
- 1.0406
- 1.05
- 1.07
- 1.08
- 1.10
- 1.11
- 1.12
- 1.13
- 1.15
- 1.1765
- 1.18
- 1.19
- 1.2008
- 1.21
- 1.2262
- 1.23
- 1.30
- 1.31
- 1.32
- 1.34
- 1.35
- 1.36
- 1.38
- 1.40
- 1.4045
- 1.41
- 1.42
- 1.4394
- 1.44
- 1.45
- 1.4760
- 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
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Material
- Stainless Steel
- Steel
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Cleaning Method
- Degreasing
- Precision Cleaning
- Electrolytic Polishing + Precision Cleaning
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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: Types of Torsion Springs?
- Answer: There are several types of torsion springs, each designed to meet specific application requirements. Some common types include:
Straight Torsion Springs: These are the most basic type of torsion springs, consisting of a straight, helical coil. They exert torque when twisted around the axis of the coil.
Double Torsion Springs: Double torsion springs consist of two separate coils connected by a central section. They are used when torque needs to be applied in two directions simultaneously, such as in automotive applications like trunk lids or in certain types of hinges.
Short Hook Torsion Springs: Short hook torsion springs have short end hooks that allow for easy attachment to other components. They are commonly used in applications where space is limited, such as in small electronic devices or medical equipment.
Hinge Torsion Springs: Hinge torsion springs are designed specifically for use in hinges, providing the necessary torque to operate the hinge mechanism smoothly. They are commonly used in doors, lids, and other swinging mechanisms.
Clock Springs: Clock springs, also known as spiral torsion springs, are tightly wound coils that exert torque in a spiral motion. They are commonly used in mechanical clocks, watches, and other timekeeping devices.
Tapered Torsion Springs: Tapered torsion springs have a varying coil diameter along their length, which allows for a more gradual torque application. They are used in applications where a constant rate of torque is required throughout the rotation.
Custom Torsion Springs: In addition to standard types, torsion springs can be custom-designed to meet specific application requirements. Customization options include varying the size, shape, material, and other design parameters to achieve the desired performance characteristics. - 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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