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Why do shot blasting machines use steel shot
release time:
2026-07-31
Shot blasting machines use steel shot as the abrasive material, mainly due to it
Shot blasting machines use steel shot as the abrasive material, mainly due to its physical properties and technological advantages, and are suitable for various industrial scenarios.
The core advantage of steel shot lies in its balanced overall performance, specifically including:
Moderate hardness and toughness:
While ensuring sufficient hardness to remove surface oxide scale, rust and other impurities, steel shot has good toughness, can withstand high-speed impacts without easily breaking, extends service life and reduces equipment wear.
Spherical structure improves efficiency:
Its near-spherical shape provides good rebound during high-speed blasting, allowing for uniform coverage of the workpiece surface, including complex shapes or internal corners, thus improving cleaning speed and effectiveness.
Surface strengthening effect:
When impacting the surface of a workpiece, steel shot can generate a compressive stress layer, which improves the fatigue strength and durability of the metal. It is suitable for strengthening parts such as gears and shafts.
Economic efficiency and recycling:
Shot blasting machines use steel shot at lower costs， Only a small amount of new shot needs to be replenished periodically, reducing long-term consumption costs.
Compared to other abrasives, steel shot has a wider range of applications: For example, copper shot is expensive and mainly used in special applications (such as aluminum alloy polishing), while steel grit is more suitable for sandblasting processes due to its sharp edges, but it is prone to causing significant wear to equipment; The steel shot used in shot blasting machines balances cleaning efficiency and equipment protection, and is widely used in castings, forgings, steel structures and other fields.
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