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Hand Forging by Thomas F. Googerty

HAND FORGING, swage, bottom swage, square hole, anvil, top swage, wooden handle, bead, heated, bottom swage, helper, strikes, sledge hammer, poker, tongs, shovel, rack, quare stock, twisted, twisting, light grille, interlaced, riveted, eye
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82 HAND- FORGING swage it, which consist of a bottom swage to fit the square hole in anvil, and a top swage with a wooden handle. To swage the bead the piece is heated and set into the bottom swage; the top swage is set onto it, and the helper strikes it with the sledge hammer; at the same time the piece is moved along the swage, turning it over occasionally. After the bead is swaged it is heated uniformly and twisted in the same manner as previously explained in twisting square stock. In Fig. 47 are shown a poker, tongs and shovel, with a rack, made of square stock twisted. Another form of twisting is to give a flat bar a series of half-turns at equal distances apart. This may be used to advantage in the making of light grille work. The bars should be very light, say 1/16 in. thick. When twisted they are interlaced and riveted, forming meshwork. The mesh is produced with the edges toward the eye, and the flat part of the bar is crossed and riveted at the intersections. The tool used for twisting flat bars is shown in Fig. 48. It may be made by simply riveting four pieces of 1-1/4 x 3/4-in. soft steel at right angles to a bar 2-1/2 x l/4 in. The pieces should be riveted in pairs, and in such a way as to leave a slot at the top. This slot is to receive the bar that is to be twisted. After the flat bar is placed in the slot it is given a quarter turn with the tool, which also has a slot in its end

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