How to reduce the stress of springs

Spring classroom
2025-11-24

To reduce the stress on springs, the following methods can be adopted:

1. Adjust design parameters:   Increasing the diameter of spring wire: This can significantly enhance the load-bearing capacity of springs. This is because a larger wire diameter means more material is used in spring manufacturing, thereby increasing the cross-sectional area and stiffness of the spring. Under the same external force, a larger cross-sectional area can disperse stress and reduce the stress value per unit area, thus extending the service life of the spring‌.     Increasing the effective number of coils: Adding more effective coils to the spring can disperse stress and reduce the stress on a single coil.    Optimizing the geometric shape of the spring: By adjusting parameters such as spring pitch, coil count, and wire diameter, the stress distribution can be optimized.

2. Material selection:   Selecting high-strength materials: Using higher-strength materials enables the spring to withstand greater stress without deformation.   Using pre-treated materials: Choosing materials that have undergone pre-treatment (such as pre-stretching) can reduce stress concentration during use.

3. Heat treatment:   Stress relief annealing: Stress relief annealing can eliminate internal stress generated during cold working, thereby reducing spring stress.    Quenching and tempering: Proper quenching and tempering treatment can improve the strength and toughness of the material and reduce stress.

4. Machining:    Surface treatment: Surface treatment methods such as polishing and shot peening can reduce surface defects, thus minimizing stress concentration.    Pre-compression treatment: Subjecting the spring to pre-compression treatment allows it to bear the maximum stress before use, thereby reducing stress during actual service.

5. Service environment:    Avoiding extreme environments: Try to avoid using springs in high-temperature, low-temperature, or corrosive environments, as these conditions may increase stress.    Regular maintenance and inspection: Through regular inspection and maintenance, potential stress concentration points can be identified and addressed in a timely manner, thereby reducing stress. Through the above methods, spring stress can be effectively reduced, its service life extended, and its performance stability improved. Kataruo Springs specializes in customizing various types of springs and provides a full package of solutions for customers. Welcome customers to contact us for inquiries!