. Forging of iron and steel, a text book for the use of students in colleges, secondary schools and the shop . Fig. 216 STEAM AND POWER HAMMERS 173. Fig. 217 heavy blows will not injure the frame. The anvilfoundation should be capped with heavy timbers to givethe anvil an elastic support. Tools. — There are only a few tools used with apower hammer andthey are very should grip thework solidly; for theflat work the box tongs(Figs. 40 and 41) shouldbe used, and for roundwork those in Figs. 43and 45. The chisels forpower hammer workdiffer from those forhand work. Fig. 218 (a) shows a
. Forging of iron and steel, a text book for the use of students in colleges, secondary schools and the shop . Fig. 216 STEAM AND POWER HAMMERS 173. Fig. 217 heavy blows will not injure the frame. The anvilfoundation should be capped with heavy timbers to givethe anvil an elastic support. Tools. — There are only a few tools used with apower hammer andthey are very should grip thework solidly; for theflat work the box tongs(Figs. 40 and 41) shouldbe used, and for roundwork those in Figs. 43and 45. The chisels forpower hammer workdiffer from those forhand work. Fig. 218 (a) shows a hot chisel, (6) one fornicking cold stock, (c) one for cutting square corners, and(d) one for cutting round corners. The blades are madeof tool steel while the handles are either tool steel drawnout of the same piece as the blade or are wrought ironwelded on. As it is not always possible to hold thechisels in just the right position in order to save the hands from jar andprevent breakinghandles, the handlesare made somewhatthinner at x. Thiswill allow the handleto spring so that theblade can adjust it-
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1915
