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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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Casting Patterns for High School Shop
Just wondering if anyone has a good lead on casting patterns, split or
single sided, that are readily available. If not for sale, anyone have any ideas that you think would spark a high school students interest? We currently have a small foundry with green sand casting. I'd like to have the item fit inside our small 8"x6"x4" flask. Thanks, ktow |
#2
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Casting Patterns for High School Shop
On Fri, 10 Oct 2008 08:42:39 -0700 (PDT), ktow
wrote: Just wondering if anyone has a good lead on casting patterns, split or single sided, that are readily available. If not for sale, anyone have any ideas that you think would spark a high school students interest? We currently have a small foundry with green sand casting. I'd like to have the item fit inside our small 8"x6"x4" flask. Thanks, ktow Kevin, Many many moons ago, we made single-sided molds in middle school (never got to pour 'em, that was the teacher's fun). The one I remember best was a derringer that was to be mounted on a wooden plaque, so it involved both wood and metal shop. Simple wall decoration but the memory has stuck around for 40 years. Dunno where you'd get such a pattern but splitting a toy pistol might be a good start... Best -- Terry |
#3
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Casting Patterns for High School Shop
On Fri, 10 Oct 2008 08:42:39 -0700, ktow wrote:
Just wondering if anyone has a good lead on casting patterns, split or single sided, that are readily available. If not for sale, anyone have any ideas that you think would spark a high school students interest? We currently have a small foundry with green sand casting. I'd like to have the item fit inside our small 8"x6"x4" flask. Thanks, ktow Naked ladies would spark lots of interest, from the students, their mothers, the local clergy... We did laughing/crying "drama" masks. -- Tim Wescott Wescott Design Services http://www.wescottdesign.com Do you need to implement control loops in software? "Applied Control Theory for Embedded Systems" gives you just what it says. See details at http://www.wescottdesign.com/actfes/actfes.html |
#4
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Casting Patterns for High School Shop
On Oct 10, 11:42*am, ktow wrote:
Just wondering if anyone has a good lead on casting patterns, split or single sided, that are readily available. If not for sale, anyone have any ideas that you think would spark a high school students interest? *We currently have a small foundry with green sand casting. *I'd like to have the item fit inside our small 8"x6"x4" flask. Thanks, ktow Try a web search for IASCO and Broadhead Garret. Both are companies that serve the Tech Ed community that carry foundry supplies and equipment. They have a range of foundry patterns. If you are going for something simple, have them cut something out of a piece of 1/4 plywood on the jig saw and sand a little draft on the edges. A web search for foundry related educational suppliers will also bring you patterns and ideas. |
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Casting Patterns for High School Shop
someone in my class brought in a big hunting knife. We made the mold and the
pore was aluminum. Looked good, but would never get sharp!!!! bob in phx. wrote in message ... On Oct 10, 11:42 am, ktow wrote: Just wondering if anyone has a good lead on casting patterns, split or single sided, that are readily available. If not for sale, anyone have any ideas that you think would spark a high school students interest? We currently have a small foundry with green sand casting. I'd like to have the item fit inside our small 8"x6"x4" flask. Thanks, ktow Try a web search for IASCO and Broadhead Garret. Both are companies that serve the Tech Ed community that carry foundry supplies and equipment. They have a range of foundry patterns. If you are going for something simple, have them cut something out of a piece of 1/4 plywood on the jig saw and sand a little draft on the edges. A web search for foundry related educational suppliers will also bring you patterns and ideas. |
#6
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Casting Patterns for High School Shop
ktow wrote:
Just wondering if anyone has a good lead on casting patterns, split or single sided, that are readily available. If not for sale, anyone have any ideas that you think would spark a high school students interest? We currently have a small foundry with green sand casting. I'd like to have the item fit inside our small 8"x6"x4" flask. Thanks, ktow We casted trivets in junior high. RIP Mr. Blume, victim of a drunk driver. Mom and grandma were thrilled with them. Not to side track your thread but where has Errol Groff been? He is your counterpart. Wes |
#7
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Casting Patterns for High School Shop
On Sat, 11 Oct 2008 01:49:35 -0400, the infamous Wes
scrawled the following: ktow wrote: Just wondering if anyone has a good lead on casting patterns, split or single sided, that are readily available. If not for sale, anyone have any ideas that you think would spark a high school students interest? We currently have a small foundry with green sand casting. I'd like to have the item fit inside our small 8"x6"x4" flask. We casted trivets in junior high. RIP Mr. Blume, victim of a drunk driver. Mom and grandma were thrilled with them. I took both wood and metal shop with Mr. Workman. He was short, strange, and very knowledgeable; a great guy. In 8th and 9th grades, we didn't get to cast metals, but Mom still has her pounded copper ashtray. sigh Oh, I also took Basic Aviation with Mr. Workman in high school. The inventive man made a cardboard box version of the IFR flight hood and everyone in class got to make fools of themselves by putting it over their heads and walking it around the parking lot for a few days. RIP, Mr. Workman, who passed away a few years ago. -- "Given the low level of competence among politicians, every American should become a Libertarian." -- Charley Reese, Alameda Times-Star (California), June 17, 2003 |
#8
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Casting Patterns for High School Shop
On Fri, 10 Oct 2008 08:42:39 -0700 (PDT), ktow
wrote: Just wondering if anyone has a good lead on casting patterns, split or single sided, that are readily available. If not for sale, anyone have any ideas that you think would spark a high school students interest? We currently have a small foundry with green sand casting. I'd like to have the item fit inside our small 8"x6"x4" flask. Thanks, ktow We only cast with aluminum. Had a ice cream scoop that was popular and came out pretty well. I still have mine and use it when I decide to splurge on the stuff. The brass-knuckle pattern was pulled just before my class. Some of the guys managed to cast the knuckles anyway, if the teacher wasn't paying good attention I made a two piece meat tenderizer for a special class. Used the wood shop lathe to turn the handle and vertical mill to create the large/small head patterns from aluminum. These were just glued onto the wood handle. The handle was then split (was glued together with a piece of paper between the wood blocks) with one head on each half. Dowel pegs to line things up. Only got to try casting it once or twice. The aluminum was too hot both times and I had too much shrinkage in the head area. The teacher kept the mold for show & tell in future classes. -- Leon Fisk Grand Rapids MI/Zone 5b Remove no.spam for email |
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