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Metalcasters Have Their Five Minutes of Fame While most metalcasters don’t join the industry for the glamour, two metalcasting facilities have had their share of fame on recent television programs. Interestingly, each facility received attention for civil war period casting replicas. Kent Foundry Co., Greenville, Miss., attracted The Discovery Channel’s “How
It’s Made” for its Civil War cannon replicas. The facility produces the castings for South Bend Replicas, according to The Grand Rapids Press. Kent Foundry’s niche market is making 25 pieces or fewer for single customers, which is a perfect fi t for the cannon replica market. Clarksville Foundry, Clarksville, Tenn., cast a replica component of Confederate submarine H.L. Hunly, the fi rst submarine ever to sink an enemy ship. The replica was used to determine what eventually caused the submarine’s own demise. The National Geographic Channel aired the facility’s analysis and results in mid-September in “Secret Weapon of the Confederacy.”
POLL QUESTION The August website question asked:
How does your business outlook for the rest of the year compare to the fi rst half of 2011?
30.5% IMPROVED SIGNIFICANT DECLINE 29.8% 27.2% NO CHANGE 12.5% SLIGHT DECLINE
ONLINE RESOURCE
Wherever you fi nd the “at” sign above, reference the given website for more information.
Improve Safety at Your Facility
(p. 24) Download the full training materials available from OSHA.
Casting Central to Hydrant Revolution (p. 28): View a slideshow of the simulation
used for the hydrant casting.
Explaining Shrinkage in Molds and Cores (p. 34): Download the full paper on which this article was based.
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October 2011 MODERN CASTING | 3
Visit
moderncasting.com for a link to the Foundry and Diecaster Network.
This month’s question is available at
www.moderncasting.com.
LINKEDIN DISCUSSION
Deciding Runner Length On the Foundry and Diecaster Network on LinkedIn, a member asked, “Is there any standard method to determine runner length?” Below are excerpts of some of the discussion points:
“The length should be based on the size of the casting itself. You also need to contemplate where you want the metal to be introduced to the cavity for a uniform fi ll.”—Patrick Caldwell, Northwest Industrial & Foundry Supply
“Runner systems are dependent on alloy, casting weight, casting geometry, pour rate etc.”—Pravin Patel, Woodward Governor Company
“The runner system should only be as big as needed to fi ll the impression.”—Wallace Pratt Jr., Industry Veteran
Editor’s Note: MODERN CASTING does not necessarily endorse the views expressed in the LinkedIn discussion.
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