Shot peening Applications
Steel parts are often exposed to cyclic tension and compression, conditions that can lead to surface cracks
and premature failure. While steel resists compression well, it is vulnerable to cyclic tension. Shot peening
is a proven cleaning and strengthening method that extends part durability while allowing lighter designs
without sacrificing performance.
The principle of shot peening
Shot peening improves part resistance by creating a controlled layer of compressive stress on the surface:
• Bombards the surface with small spherical shots.
• Each shot acts like a miniature hammer, inducing compressive stress.
• Prevents crack initiation and propagation caused by cyclic tension
Key benefits of shot peening
Crack prevention through induced compressive stress.
• Extended part lifetime under cyclic stress.
• Enables lighter designs without compromising strength.
• Versatile across multiple industrial sectors
The shot peening process
Controlled Bombardment
- Shots are propelled at high velocity onto the steel surface.
- Coverage and intensity are carefully monitored.
- Ensures uniform compressive stress without damaging the part.
Choice of Shots
Performance depends on the characteristics of the shots used:
- Smaller shots → finer finishes.
- Larger shots → deeper compressive layers.
Specialized options
- UFS (Ultra Fine Shot) for precision applications.
- Cut wire for high consistency and controlled intensity.
Hardness & material
- Matched to steel grade and stress depth required.
Equipment Adaptation
- Machines tailored to part size, shape, and requirements.
- Ensure consistent velocity and shot flow.
- Some ranges meet military or aerospace specifications.
