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A shot blasting machine designed for removing heavy corrosion is a robust industrial solution engineered to tackle the most severe cases of rust and oxidation on metal surfaces. Heavy corrosion—often found on industrial equipment, marine structures, or outdoor machinery—forms thick, stubborn layers that require intense abrasive force to dislodge. These machines utilize high-speed centrifugal wheels (rotating at up to 15,000 RPM) to propel large, dense abrasives such as steel shot, cast iron grit, or chromium steel pellets at velocities exceeding 100 m/s, delivering the kinetic energy needed to break down even deeply embedded rust.
The design prioritizes durability, with reinforced steel chambers, wear-resistant liners, and oversized bearings to withstand the constant impact of heavy abrasives. Adjustable wheel configurations—typically 4 to 8 wheels positioned at strategic angles—ensure 360° coverage, even on irregularly shaped components like structural beams or valve bodies. A key feature is the variable speed control system, which allows operators to increase abrasive intensity for thick corrosion layers while reducing it to avoid damaging the underlying metal once the surface is clean.
For industrial applications such as offshore oil rig maintenance or bridge restoration, these machines often integrate a closed-loop media recycling system with magnetic separators and vibratory screens. This system filters out rust particles and reuses up to 90% of the steel shot, significantly reducing operational costs. Advanced models may include dust collection systems with HEPA filters to capture toxic rust particles, ensuring compliance with safety regulations. By combining brute force with precision control, shot blasting machines for heavy corrosion removal restore metal components to their original integrity, extending equipment lifespan and preventing catastrophic failures in critical infrastructure.