#11
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Dams were made with some crs sheet. I inspected them closely. They appeared to be assembled with small, simple tack welds from a TIG.
Some care was taken with matching the dams to the part sought to be copied. Wasn't "light proof" matching, but it was close, considering the viscosity of the molten Kirksite. Keep in mind, Kirksite, top and bottom, (because of its toughness) for forming steel. For aluminum, the aircraft factories frequently used Zinc for a punch and Lead for a die in drophammers.
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Marc |
#12
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Drop hammer shops in aircraft plants also use "ultra-cal" and "hydra-cal" - and US Gypsum used to offer the spec sheets for their products in that application.
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Kent http://www.tinmantech.com "All it takes is a little practical experience to blow the he!! out of a perfectly good theory." --- Lloyd Rosenquist, charter member AWS, 1919. |
#13
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Quote:
Scrunk? Funny how you can hear a word for the first time and just know what it means. I guess it did sorta make a scrunking sound when I torqued it. So I did, and it sealed up just fine. Kent is a cornacopea of nomenclature.
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Scott in Montreal |
#14
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Bob one last question about the Kirksite demo: are the dies simply bolted to the mounts that go into the pullmax die holders i.e. are they drilled and tapped?
thanks again for those pictures.
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Scott in Montreal |
#15
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I think they were tapped.
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Bob Innes |
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