WHY CHOOSING CENTRIFUGAL CASTING VS TRADITIONNAL WAY TO CAST PARTS?

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There are numerous benefits to use centrifugal casting when you need to produce any cylindrical shape part:

Greater quality part with exceptional soundness:
• Centrifugal castings are cast in rotating molds resulting in a substantial amount of pressure exerted on the metal. Impurities are forced to the inner diameter or another area where they can be easily machined away. Typical force ranges from 30 to 90G’s ;
• By controlling solidification, an enhanced, more uniform grain structure is achieved, with mechanical properties similar to forgings;
• Superior surface finish for the as cast part: We can achieve 200-300 RMS with the useage of appropriate mould coating.
• 3D Printing is being leveraged for geometries that could not be achieved otherwise;
• New simulation software of centrifugal casting solidification and filling is broadening the realm of
Applications.

Shaped centrifugal castings can have a wide range of features cast-in. The envelope of possibilities continues to be pushed.
• Eccentric Features: Ability to cast a wide range of boss features, including eccentric geometries;
• Through Holes: Save drilling and boring time by casting in medium and larger diameter through holes;
• Split Rings: Utilize shaped centrifugal casting for split ring and quadrant structural parts. Offering better stability than fabrications and much lower cost over forgings.
• Intricate Features: Casting under pressure enables filling of detailed and intricate features. In many cases, thin walls of .100” and less are cast-in on outer dimensions.;
• Straight walls;
• Horizontally cast tubes : Utilizing long horizontal dies, tube shaped geometries are effectively cast including liners, sleeves and pipes;
• Heavy walls: D.W. Clark’s casting methods allow for casting wall thicknesses up to and over 5”

Centrifugal casting is cost-effective because:
• Cast in permanent dies in sizes up to 70” with no tooling charge for most parts. Used as full length parts or often parted into rings and segments.

• 3D Printing includes lowering prototype and single use costs because no tooling is required;
• Centrifugal castings can also produce a very high yield where less additional metal is required to yield each part;
• Features are cast-in right to shape with an excellent surface finish. Save significant amounts of machining time and cost. Tooling options from one-time to full production runs;

• Rough machining comes standard.

3D printing prototyping system enables us to achieve very fast lead times.

CENTRIFUGAL APPLICATIONS:
This process is useful for many industrial applications as well as for the following market segments:
• Marine (ex : propeller assemblies) ;
• Nuclear (pressure containing valve bodies);
• Energy (steam and gas turbines, etc.);
• Etc.

Do not hesitate to visit our partner’s website at:
http://www.dwclark.com/index.php/castings/centrifugal-castings

Or simply call us to discuss about your specific needs; we can even plan a visit at your facility in order to look at your projects and help you select the best process in-line with your requirements: (514) 236-5441

Visit us at: www.metallurgicalresources.com

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