| Customization: | Available |
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| Function: | Pressed |
| Material: | Steel |
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A wire torsion spring, also known simply as a torsion spring, is a type of coiled spring that exerts torque or rotational force when twisted or rotated around its axis. These springs are typically made from round wire and are commonly used in various applications where rotational motion is required, such as in doors, hinges, switches, and automotive components.
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raw materials we |
stainless steel,Music wire Carbon steel(SWC),Alloy steel SEA9260/9254/6150/SUP9/SUP10/SUP12,51CrV4,etc. |
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material diameter or thickness |
0.1~8mm |
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workcraft or process |
CNC processing, mannual work |
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surface treatment |
painting, electroplating, polishing , blacken etc |
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Applications |
Industrial facilities.automobiles, Motorcycles, electronics, Sports facilities, telecommunications products etc |
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Quality Certification |
ISO9001-2000,ISO14000 |
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Payment term |
T/T,L/C |
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Packing |
plastic bags,and then cartons , wooden or plastic |
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Shipment |
By sea from Ningbo or shanghai, by air from Shanghai or Hangzhou |
Here are some key characteristics and components of wire torsion springs:
Coil Configuration: Wire torsion springs are usually made by coiling a single wire around a central axis. The coils are wound in a helical or spiral shape, with the ends of the wire forming legs or arms that can be attached to other components.
Leg Configuration: The legs of a wire torsion spring are the portions of the wire that extend outward from the coils. These legs are typically bent or formed to provide attachment points for mounting the spring to other parts of a mechanism or assembly.
Direction of Wind: Torsion springs can be wound in either a left-hand or right-hand direction, depending on the application requirements. The direction of wind determines the direction of the torque or rotational force exerted by the spring when it is twisted.
Torque and Deflection: The torque or rotational force produced by a wire torsion spring is proportional to the amount of angular deflection or twist applied to the spring. The relationship between torque and deflection is determined by the spring's design parameters, including wire diameter, coil diameter, and number of coils.
Materials: Wire torsion springs are typically made from high-strength materials such as spring steel, stainless steel, or other alloys with good elasticity and fatigue resistance. The choice of material depends on factors such as the application environment, load requirements, and temperature conditions.
End Configurations: The ends of wire torsion springs can be formed into various configurations to suit specific mounting or attachment requirements. Common end configurations include straight ends, hooked ends, or specially designed ends for easy installation or connection to other components.
Quality control is essential in the manufacturing of torsion springs to ensure that they meet the required specifications, standards, and performance criteria. Here are some key aspects of quality control specific to torsion springs manufacturing:
Material Inspection: Quality control begins with the inspection of raw materials. The spring wire used in torsion springs must meet specific requirements for composition, diameter, tensile strength, and surface finish. Material samples are tested to verify compliance with standards before production begins.
Dimensional Accuracy: Torsion springs undergo rigorous dimensional inspection throughout the manufacturing process. Critical dimensions such as wire diameter, coil diameter, leg length, and angular deflection are measured using precision instruments to ensure they meet the specified tolerances.
Coiling Process Control: Control measures are implemented during the coiling process to ensure uniformity and consistency in spring dimensions and characteristics. Parameters such as coil pitch, pitch angle, and number of coils per inch are monitored to maintain quality standards.
Heat Treatment Monitoring: Torsion springs often undergo heat treatment to improve their mechanical properties and durability. Temperature, time, and cooling rates during the heat treatment process are closely monitored to achieve the desired spring hardness, resilience, and fatigue resistance.
Surface Finish Inspection: The surface finish of torsion springs is inspected for defects such as scratches, pits, or irregularities. Proper surface finishing techniques are employed to ensure smoothness and uniformity, which can affect the spring's performance and longevity.
Functional Testing: Torsion springs may undergo functional testing to verify their performance characteristics, such as torque output, angular deflection, and fatigue life. Testing methods may include torsion testing equipment, load-deflection analysis, or simulated real-world usage scenarios.
Fatigue Testing: Fatigue testing is conducted to assess the spring's ability to withstand repeated cycles of loading and unloading without failure. This testing helps determine the spring's expected service life under normal operating conditions.
Visual Inspection: Visual inspection is performed to detect any visible defects or anomalies in the springs, such as cracks, breaks, or deformities. Skilled inspectors examine each spring carefully to ensure compliance with quality standards.
Traceability and Documentation: Each torsion spring is typically assigned a unique identifier or serial number to facilitate traceability throughout the manufacturing process. Comprehensive documentation, including inspection records, test results, and certifications, is maintained to ensure quality control and compliance with regulatory requirements.
By implementing robust quality control measures, torsion spring manufacturers can ensure that their products meet the highest standards of quality, reliability, and performance, ultimately enhancing customer satisfaction and confidence in their products.
Major original equipment manufacturers (OEMs) that produce products for various industries use compression springs in many of their products.
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