Sign & Digital Graphics

September '14

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S I G N & D I G I T A L G R A P H I C S • September 2014 • 109 Very cost effective, lightweight and easily available, the main support struc- ture was built using metal building purlin material, not typical and heavy steel tube or c-channel. Our shop-made "speed squares," are very accurate and larger than ones found at hardware stores, and these can be tack welded to, or screwed to the work table. The completed frame, though plenty strong, was still light enough to lift in place by hand, no lifting equipment needed. Several cross braces keep this simple framework square and true. install in sections without any real equip- ment, and last for years with all powder coated metal components and a concrete board covered pylon. Also, this sign would involve a skill I was still working on, that is welding aluminum with a spool gun fitted to one of our wire-fed welders. This was a fun job, and though the aluminum welding was a bit challenging (nothing serious, though, just spot weld- ing), the whole process was just a tinker- toy puzzle that went together quite easily. The structure for the pylon, which supported the entire sign, was built sim- ply and from materials not often used in signs. That is, for lightweight strength, instead of using heavy c-channel or steel tubing for the main uprights, purlin steel 10" wide normally used in steel building The ground sloped steeply, and the shape of the base and dif- fering lengths of the legs had to accommodate this angle.

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