Tension spring, also known as extension spring, is one of the most commonly used springs. Generally, the action direction of force is axial. Tension spring generally adopts circular section and square section. In the free state, there is generally no gap between each circle of the extension spring. The tension spring is one of the most commonly used springs. Often used in: electronics, electrical appliances, computers, autos, machinery, aerospace, etc.
Design parameters of extension spring:
The materials required for the production of tension spring are generally divided into spring steel wire, stainless steel wire , piano wire, alloy steel wire and so on. Different surface treatments are required according to different materials and service environment to ensure anti-corrosion.
The shape of the hook on both sides is different. Its hook shape can be divided into: side hook, long hook, British hook, German hook, semicircle hook, duck beak hook and so on
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