Use cases for shot blasting machines in foundry, steel structure, automotive parts, aerospace components, and general manufacturing.
Foundry Applications
Foundries use shot blasting to remove molding sand, oxide, flash, and heat discoloration from castings. Tumblast machines are efficient for small castings that can tumble. Hanger and table machines are better for heavy, irregular, or fragile castings. Continuous monorail and pass-through systems suit high-volume foundry lines.
The main engineering risks are sand load, liner wear, separator overload, and abrasive contamination. Foundry machines should have durable liners, strong reclaim systems, good airwash separation, and easy access for cleaning.
Steel Structure and Fabrication
Steel fabricators blast plate, beams, angle, channel, pipe, and tube to remove mill scale and rust before primer or painting. Roller conveyor machines are the standard platform because material can move continuously through the chamber. Preservation lines add paint booths and drying systems downstream.
The value case includes better coating adhesion, less manual grinding, less rework, faster paint preparation, and cleaner weld inspection. For structural steel, the machine should be specified around the largest profile, desired line speed, coating specification, and available floor space.
Automotive and Aerospace
Automotive suppliers use shot blasting for forged parts, heat-treated parts, brake components, gears, wheels, suspension components, and castings. High-volume cells often require automatic loading, part fixtures, wire mesh belts, robots, or recipe control.
Aerospace applications may require more documented process control, especially when blasting is used near fatigue-sensitive surfaces or as part of a peening process. Media size, coverage, intensity, contamination control, masking, and inspection records can be more important than raw throughput.
| Industry | Common Parts | Recommended Machine Types |
|---|---|---|
| Foundry | Castings, gates, risers, pump bodies | Tumblast, hanger, table, monorail |
| Steel structure | Plate, beam, tube, profile | Roller conveyor, preservation line |
| Automotive | Forgings, wheels, brake parts, brackets | Tumblast, mesh belt, special purpose |
| Aerospace | Fatigue-critical components and fixtures | Controlled cell, table, robotic, peening system |