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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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Looking for a machine to notch Colonial came
Hi, all:
I would like to build a stained glass window using zinc Colonial came. This came has a cross section like a double-headed arrow as illustrated he http://boyd.aluluei.com/came1.jpg Where one came joins another at an angle, it's recommended that its end be "notched" in order to accomodate the shape of the joint more closely. In the early 20th century, artisans using this came (notably Frank Lloyd Wright) notched the ends of their came with a cutting wheel machine. The machine and a diagram of the joints and cuts is shown he http://boyd.aluluei.com/came2.jpg This second image is copied from an excellent book on Prairie art glass designs by Dennis Casey. Since the device photographed in the image is no longer available, what machine can I use to precisely cut these notches for a variety of joining angles between 15 and 90 degrees? What machine should I obtain to do this? (NB. This machine should not be confused with a frame notcher, which is a punch that takes a small angular bite out of U-shaped came for wrapping around corners) I've heard that some stained glass workers use a modified key cutting machine, but I have no idea what models of key cutters would be amenable to the proper modifications. Are there any recommendations out there along the line of this sort of solution? Thanks! |
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