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spiral spring

A torsion spring is a mechanical element that stores and releases mechanical energy through torque and angular displacement. Wire diameter typically ranges from 0.2 to 15 mm, and inner coil diameter is designed from 2 to 200 mm. The operating angle can reach 360 degrees or more, and torsional stiffness ranges from 0.5 to 1500 N·m per degree. Common materials include chrome spring steel, stainless steel, and fatigue resistant alloys. Spring legs are designed with lengths from 5 to 300 mm for torque transmission, and surfaces are coated with nickel, zinc, or phosphate for corrosion resistance.

Structurally, torsion springs are manufactured by CNC wire coiling with precise angle control. Stress relief heat treatment at 200 to 400°C reduces internal stresses. Torque and angular deflection tests evaluate mechanical performance with ±1 percent accuracy. Surface finishing and anti wear coatings increase service life. These springs are used in hinges, opening and closing mechanisms, industrial equipment, and precision tools, designed for more than one million operating cycles.


Original-Spring	021-66826279

Original-Spring

Iran

021-66826279

spiral spring

A torsion spring is a mechanical element that stores and releases energy through torque and angular displacement. Wire diameter typically ranges from 0.2 to 15 mm, and inner coil diameter is designed from 2 to 200 mm. The operating angle can reach 360 degrees or more, and torsional stiffness ranges from 0.5 to 1500 N·m per degree. Common materials include chrome spring steel, stainless steel, and fatigue resistant alloys. Spring legs are designed with lengths from 5 to 300 mm for torque transmission, and surfaces are coated with nickel, zinc, or phosphate for corrosion resistance.

Structurally, torsion springs are manufactured by CNC wire coiling with precise angle control. Stress relief heat treatment at 200 to 400°C reduces internal stresses. Torque and angular deflection tests evaluate mechanical performance with ±1 percent accuracy. Surface finishing and anti wear coatings increase service life. These springs are used in hinges, opening and closing mechanisms, industrial equipment, and precision tools, designed for more than one million operating cycles.


Original-Spring	021-66826279

Original-Spring

Iran

021-66826279

spiral spring

A torsion spring is a mechanical element that stores and releases mechanical energy through twisting motion. Wire diameters range from 0.2 to 15 mm, and free lengths vary from 10 to 500 mm. The maximum torsion angle can reach 360 degrees or more, with torsional stiffness k between 0.5 and 1500 N·m/degree. Common materials include chrome steel, stainless steel, and fatigue-resistant copper or brass alloys. Surfaces can be coated with nickel, zinc, PTFE, or industrial paint for corrosion and wear resistance.

The manufacturing process includes precise wire drawing, CNC or machine coiling according to required angles, heat treatment at 200–400°C for stress relief, and final straightening. Springs are tested for torsion angle and torque. Final steps include corrosion-resistant coating, surface finishing, and quality control with ±1% tolerance. Torsion springs are used in hinges, industrial machinery, medical devices, and precision tools, designed for over one million load cycles.