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The Finishing Department: For Aluminum Castings that Shine

Are you frustrated by past foundries handing off unfinished products? Our finishing department uses various cutting and grinding tools and shot-blasting processes to clean each casting per your specifications. This isn’t just a way to get better-looking products – this is essential to assuring quality results and functioning aluminum cast products.

Without a close eye and careful finishing touches, your products could arrive with rough edges and surfaces that interfere with performance. We put the utmost care into every one of our castings and pass the results of that care on to you! If you want to know that you have the best possible cast aluminum parts, call Boose Aluminum Foundry!

An employee chisels away at a cast-aluminum large vehicle part

Large and Small Casting Finishing at Boose Aluminum Foundry

No matter the size of the aluminum product you require from us, we give every item the detailed finishing work that it deserves. From large vehicle parts to small hand-held tools, we have experience with various shapes, sizes, and purposes of our castings. Once we have cast and heat-treated your parts, we will move them to the finishing stage.

For both small and large aluminum castings, we first remove the gating system – the channels through which molten metal is poured to fill the mold. Next comes detailed grinding and surface finishing to clean and smooth the castings. Finally, they are shot-blasted to provide a uniform surface and prepare the casting surfaces for operations like machining or painting.

Cast Aluminum Finishing Techniques

So, how do we provide the incomparable shine and sheen you deserve?
We employ many techniques that come together and result in the best possible results:

An employee using a grinding device to apply finishing touches to an aluminum piece.

Grinding

Green sand casting and no-bake casting can result in a slightly rough surface. One of the first techniques we apply is to grind the surface to clean off the burs and smooth the castings. This process allows us to control the shape and sharpness of edges much more closely. Grinding clears off the rougher edges and molten aluminum channels that form in casting.

An employee buffing and polishing a piece of metal

Cleaning and Buffing

If you need a shiny, smooth surface, we can use buffing and cleaning processes to instill a smoother surface. Once the surface is ground down to a shine, we clean the surface of filings and powdered aluminum that may accrue throughout the molding and finishing process. This smooth surface is easier to clean and maintain across parts for various industries.

An employee in PPE is using a sand-blast device to finish metal parts.

Shot Blasting

If your product is coated in a dip or powder coating, sand-blasting and shot-blasting creates a rougher surface to which these coats will stick more securely. Additionally, shot-blasting can provide mild improvements to resistance and strength by inducing compressive stress, creating a harder surface.

Our many finishing processes come together to provide you with the high-quality equipment that you demand when working with a custom casting company like Boose Aluminum.

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