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Green Sand Metalcasting Foundry News

Straight to Sand

Posted by Hill and Griffith Company on Mar 23, 2021 8:18:29 PM

Excerpt from the Modern Machine Shop October 2009 article by Peter Zelinski

Through direct CNC machining of molds and cores, this supplier of cast and machined parts skips the pattern-making step that would otherwise be fundamental to casting. The result is weeks of lead-time savings for complex parts that are needed in a hurry.

CNC machining is a proven technology for holding tight tolerances. Reg Gustafson of Clinkenbeard knows this. Clinkenbeard is a supplier of short-lead-time castings in Rockford, Illinois. Mr. Gustafson says the company's recognition of the basic effectiveness of machining ultimately showed it the way to respond, back when additive technologies for making molds and cores first began to succeed.

 

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Tags: Green Sand Casting Products, Green Sand Foundry Supply, Foundry Supply, Green Sand Coatings, Green Sand Release Agents, Green Sand Metal Casting, Green Sand Metalcasting, Core Binders, Green Sand Additive Products, Modern Machine Shop

Additive Manufacturing and Metal Casting

Posted by Hill and Griffith Company on Sep 30, 2020 8:41:14 PM

Article excerpt from the June 2019 issue of Modern Machine Shop by Timothy Simpson

According to the American Foundry Society, metal castings can be found in 90% of all durable goods, and you are seldom more than 10 feet away from a casting. I didn't believe it at first, but if nearly every car, truck, train, tractor or construction vehicle has a casting in it, not to mention all the castings found in our infrastructure (buildings, pipelines, etc.), then you understand why that number is so high.

So, how is additive manufacturing (AM), one of the newest manufacturing methods, disrupting metal casting, the oldest manufacturing method? It is pretty simple actually, and it goes along the lines of what we have been discussing recently, namely, hybrid manufacturing approaches in which AM is being used to create the fixtures, jigs, and/or tools (in this case, sand molds and cores) that are then used to manufacture parts by conventional means (in this case, metal casting). In fact, 3D sand printing is probably one of the easiest and least risk ways of integrating AM into production. We know how casting works; all we are doing is finding a faster and cheaper way to make the molds for them, and then we cast and finish components like we have been doing for hundreds of years.

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Tags: Green Sand Casting Products, Green Sand Foundry Supply, Foundry Supply, Green Sand Coatings, Green Sand Release Agents, Green Sand Metalcasting, Core Binders, Green Sand Additive Products, Modern Machine Shop

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