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Green Sand Metalcasting Foundry News

Article Excerpt: "The Significance of Total Carbon in Green Sand Systems"

Posted by Hill and Griffith Company on Aug 6, 2019 11:05:35 AM

Originally published in the May 2017 issue of Foundry Management & Technology.

by Alexander Brown

Controlling raw materials is critical to the success of iron casting production from green sand systems. The base silica sand is often overlooked, with the main focus on bentonite additions. Carbonaceous additives can be considered a “necessary evil” to ensure a good surface finish and reduction in sand-related surface defects. Other additives are used when systems get out of balance, and these will further complicate the complexity of green sand systems.

For castings requiring cores, this becomes a bigger issue, as many different resin systems are employed for core production, and these must be taken into consideration when controlling both the carbonaceous levels and the overall grading of the sand system. The twin effects on additional carbon and loss-on-ignition and overall sand grading need careful understanding and control.

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Tags: Green Sand Casting Products, Green Sand Foundry Supply, Foundry Supply, Green Sand Release Agents, Foundry Supplies, Foundry Management & Technology magazine

"Foundry Management & Technology, 2019 Metalcasting Outlook"

Posted by Hill and Griffith Company on Dec 11, 2018 2:04:22 PM

North American foundry and diecasting managers and decision makers give the final word on industry conditions today — and the first word on their expectations for metalcasting growth and development in the coming year.

 

Foundry Management & Technology, "2019 Metalcasting Outlook."

Metalcasting is not an ordinary industrial market: it is sensitive to all types of economic variables (raw materials, energy, labor) as well as financial conditions (interest rates, tariffs.)

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Tags: Metal Casting, Green Sand Casting Products, Green Sand Foundry Supply, Foundry Supply, Green Sand Release Agents, Metal Casting Supplies, Foundry Supplies, Green Sand Metal Casting, Green Sand System, Green Sand Metalcasting, Foundry Management & Technology magazine, Metalcasting Outlook

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