Knowledge Base

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Graded coal - its role in iron casting production from greensand systems

Fundamentally a greensand system is silica sand, bentonite and water' to improve the surface finish, improve casting dimensional stability and to have less...

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The Sand Controversy - Does Core Sand harm your green sand

Since the 1970s, the integration of nobake binders into green sand systems has been investigated significantly...

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Understanding the basics of green sand testing.

Familiarize yourself with the sand testing methods used in your operation to understand how those readings reflect both the consistency of your molding sand and the quality of your castings. The quality of a foundry's ...

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Molding Methods and Materials, American Foundrymen's Society, 1962

THE CASTING PROCESS involves the pouring of molten metal into a mold; therefore, the mold...

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Metal Casting Processing

The metal casting process is the simplest, most direct route to a near net shape product, and often the least expensive. This process in its fundamental form requires a mold cavity of the desired shape and molten metal to pour into the mold cavity ....

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Active binder content as a factor of the control system of the moulding sand quality

One of the modern methods of the production optimisation are artificial...

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Effect of water-clay ratio,clay content and additives

Experiments were carried out to study the effects of water/clay ratio, clay content and additives on the mouldability and compactability of bentonite...

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Influence green sand system by core sand additions

Today, about two thirds of iron alloys casting (especially for graphitizing alloys of iron) are produced into green sand systems with usually organically bonded cores...

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Novel approaches in reducing pouring emissions

The paper presents a basic understanding of some thermal degradation processes within the mould, i.e. the mechanism of...

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