|
|
|
Hand Forging by Thomas F. Googerty
|
32 HAND-FORGING
To forge a pair of tongs from 3/4-in. square Swedish iron, the bar is heated and about 1-1/8 in. is set on the inner edge of the anvil, keeping the bar at right angles to the long way of anvil. It is then flattened to about 1 in. thick, letting it taper near the end. This will form the flat part of the jaw. See Fig. 5, at A. The bar is next turned one-quarter over, set on the outer edge of the anvil and flattened as at B. It is again turned and hammered as at C. The jaw is now cut from the bar with a hot chisel, leaving a shank long enough so that a handle can be welded to it. This shank should be drawn out to the proper size and scarfed. It should now look as at D,
Fig. 6. Jaw with Fuller Mark
ready to be welded to the handle. In forging the jaw as explained above there should be a welding heat taken on the bar, and when hammering a helper should strike it with a sledge. The entire jaw should be made with this heat. If there is no helper, of course, more than one heat is neces-
|
|
|
Hand Forging by Thomas F. Googerty