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Shot blasting machines come in all shapes and sizes. Selecting a machine capable of cleaning and descaling complex fabricated components and welded constructions is not a task to pursue alone. Seeking the help of a company with proven expertise in the shot blasting field is always advised.

Designed specifically to clean wide head and base plates, ribs, re-enforcements, and the welds from fabrication, shot blast machines, such as roller conveyor machines, are designed around these types of work pieces.

To achieve all-around blasting, 3D simulation is utilized during the design process to determine the optimal placement of the blast turbines within the blast chamber. These machines include two “blast zones” in order to maximize cleaning of both outer and inner surfaces.

The first “blast zone” consists of equally spaced blast wheels, also called blast turbines, mounted onto the top and bottom of the blast chamber. Larger machines may also include blast turbines mounted to the chamber walls. The second “blast zone” includes blast turbines placed at a negative angle relative to the direction of the parts transport, blasting the “back side” of the structure. The blast pattern created by these two “blast zones” allows all-around blast cleaning of vertically placed base-plates and other hard to reach areas.

The surface of the infeed side is cleaned by the first “blast zone” while the second cleans the outfeed side and end. As the fabrication passes through the chamber, all gussets, re-enforcements, ribs, angles are descaled and cleaned to ISO 8501 or Swedish standards and with the desired profile [SR1] to optimize the adhesion of the coating to be applied. More information about blasting standards is available in “Blast Prep”featured on Blast

Shot blasting equipment must prepare workpieces to easily meet the most stringent customer specifications regarding surface cleanliness and cost.

Blast cleaning of fabrications and weldments is common in these fabricating industries:

  • Steel traders, distributors, and processors

  • Transport – rail, bus, truck, and trailer

  • Construction, earthmoving, and agricultural equipment, cranes

  • Gas and oil field equipment

  • Aerospace

  • Power generation – including wind turbine towers

  • Structural steel fabricators manufacturing trusses, frames, and special components for buildings, stadiums, arenas, and more

  • Bridge and infrastructure products

Understanding your requirements for blast cleanliness and surface profile of your parts helps the blast machine manufacturer develop the best machine be it a simple spinner hanger machine, a flow- through hanger type blaster, or an automated roller conveyer blast machine.

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