| Customization: | Available |
|---|---|
| After-sales Service: | Online Support, Spare Parts, Field Maintenance |
| Warranty: | 1 Year |
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Shot peening is a specially designed process for improving the fatigue strength of components that are subjected to alternating stress. The impact of the high-speed shot flow on the surface of the spring produces a cyclic plastic strain layer on the surface, which results in favorable changes in the microstructure of the surface of the spring and introduces a residual compressive stress field into the surface. Thereby, the fatigue fracture and stress corrosion fracture resistance of the spring are improved, and the reliability and durability of the spring are improved.
During the strengthening process, the spring shot peening machine is electrically controlled by the adjustable speed conveying roller to send the spring or other ring-shaped products into the shot peening area of the shot peening machine chamber, and all sides of the body are hit by powerful and dense steel shots from different coordinates With friction, the oxide scale, rust layer and dirt on it will quickly fall off, and the surface of the spring will obtain a smooth surface with a certain degree of roughness. The workpiece is loaded and unloaded on the inlet and outlet rollers on both sides of the shot peening room. According to modern metal strength theory, increasing the dislocation density inside the metal is the main direction to improve the strength of the metal.
Practice has proved that shot peening is an effective process to increase the metal dislocation structure. This is of great significance for some metals that can't be hardened by phase transformation (such as martensitic quenching) or require further strengthening on the basis of transformation hardening. Aviation, aerospace industry, automobiles, tractors and other parts require lighter weight, but the reliability requirements are getting higher and higher. An important process measure is to use shot peening or blasting to improve the strength and fatigue strength of components.
2. Technical Specifications:| Item | AT186 | AT187 | AT210 | AT300 |
| Size of Workpiece(mm) | φ335~φ540 | φ335~φ500 | φ88~φ150 | φ88~φ300 |
| Height of Workpiece(mm) | 340 | 300 | 220~240 | 220~600 |
| Conveying Speed(m/min) | 0.5-3 |
0.5-3 |
0.72-3.6 | 0.72-3.6 |
| Blasting Volume(kg/min) | 2*250 | 2*250 | 2*200 | 2*200 |
| Initial Shot volume(kg) | 4000 | 4000 | 4000 | 4000 |
| Total Air Volume(m3/h) | 5000 | 4500 | 8000 | 8000 |
| Total Power(kw) | 50.15 | 42.85 | 55 | 58 |
| Total Weight(t) | 12 | 12 | 14 | 15 |
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