Changzhou Liyu spring Co., Ltd
| Payment Terms | L/C,T/T |
| Free Height | Customized |
| Rotation Direction | Left Hand / Right Hand |
| Surface Treatment | Zinc Plating / Nickel Plating / Black Oxide / Passivation |
| End Treatment | Ground / Cut / Bent |
| Leg Style / End Type | Straight Leg / Offset Leg / Hook Leg |
| Leg Angle | 0°-360° |
| Spring Type | Torsion Spring |
| Packaging Details | Standard export packaging |
| Working Angle | 30° / 90° / 180° |
| Manufacturing Process | CNC Spring Coiling / Automatic Winding |
| Brand Name | Liyu |
| Certification | ISO14001；ISO13485；IATF16949 |
| Model Number | Torsion Spring |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T | Free Height | Customized |
| Rotation Direction | Left Hand / Right Hand | Surface Treatment | Zinc Plating / Nickel Plating / Black Oxide / Passivation |
| End Treatment | Ground / Cut / Bent | Leg Style / End Type | Straight Leg / Offset Leg / Hook Leg |
| Leg Angle | 0°-360° | Spring Type | Torsion Spring |
| Packaging Details | Standard export packaging | Working Angle | 30° / 90° / 180° |
| Manufacturing Process | CNC Spring Coiling / Automatic Winding | Brand Name | Liyu |
| Certification | ISO14001；ISO13485；IATF16949 | Model Number | Torsion Spring |
| Place of Origin | China | ||
| High Light | 55CrSi heavy duty torsion springs ，Nickel Plated heavy duty torsion springs ，55CrSi stainless torsion spring | ||
A torsion spring is a helical spring that can apply torque or rotational force. The end of the torsion spring is connected to other parts. When those parts rotate around the center of the spring, the spring pushes them back to their original positions. Although this name may have other meanings. The torsion spring seems to act more like a deformation force than a torque. They can store and release energy or fix a mechanical part in a certain position by twisting the spring arm along the vertical axis of the spring body.
Parameter index of torsion spring
| To customize the torsion spring, you need to provide the following necessary parameter information: | ||
| Wire diameter d: mm | (Note: the diameter of the spring wire) |
|
| Outer diameter D2: mm | (Note: the diameter of the outer circle of the spring) | |
| Expanded length L0: mm | (Description: the expanded length of the spring) | |
| Number of laps Tum: lap | (Note: the total number of turns of the spring) | |
| Angle Deg: ° | (Note: the original angle between the twisted feet) | |
| For customized torsion springs, you also need to provide the following technical requirements: | ||
| turn around: | (Description: Left-handedRight-handed) | |
| Material requirements: | (Such as: stainless steel wire SUS, carbon steel wire SWC, piano wire SWP, copper wire... etc.) | |
| Surface treatment: | (Explanation: blackening/galvanizing/nickel plating/chrome plating/baking paint/powder spraying/electrophoresis/shot peening/dacromet/electrolytic polishing...etc.) | |
| Strength requirements: | (Note: Elastic performance, other technical requirements, etc.) | |
Spring end characteristics
| Characteristic | Parameter |
|---|---|
|
Two ends structure |
Straight closing |
| Short hook closing | |
| Hinge closing | |
| Straight twist closing | |
| Curved closing | |
| Double twist closing | |
|
Surface treatment |
Blackening |
| Shot Peening | |
| Apply anti-rust oil | |
| Zinc plating | |
| Polishing | |
| Electrolytic polishing | |
| Nickel plating | |
| Dacromet | |
| Teflon spray | |
|
Materials |
Carbon spring steel wire SWC |
| Piano wire SWPB | |
| Stainless steel wire SUS301, SUS302, SUS304, SUS316, SUS631 | |
| 65Mn | |
| 82B | |
| 55CrSi (SWOSC-V) | |
| Nickel-plated wire, galvanized wire | |
| Copper wire, phosphor copper wire, beryllium copper wire | |
| Square wire, flat wire, semicircular wire | |
| Alloy material wire | |
| Other special specifications steel wire | |
| Wire diameter specifications | 0.1~6mm |
Company Details
Business Type:
Manufacturer
Year Established:
1994
Total Annual:
5000000-10000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Changzhou Liyu spring Co., Ltd., founded in 1994, is located in Jincheng Town Industrial Park, Jintan District, Changzhou City, with convenient transportation.The company specializes in producing compression spring, tension spring, torsion spring, scroll spring, spring contact finger, spring clamp... Changzhou Liyu spring Co., Ltd., founded in 1994, is located in Jincheng Town Industrial Park, Jintan District, Changzhou City, with convenient transportation.The company specializes in producing compression spring, tension spring, torsion spring, scroll spring, spring contact finger, spring clamp...
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