. Forging of iron and steel, a text book for the use of students in colleges, secondary schools and the shop . SPLITTING, PUNCHING, AND RIVETING 81 The way in which a rivet is driven depends upon thepurpose of the rivet. If it is to make a tight joint orseam, the pieces are brought together into their properposition. The rivet is heated to afull red heat, passed through the holepreviouslj* punched or drilled, heldin place by a dolly-bar 1 or rested onthe anvil according to the nature of the work, and thendriven with heavy blows to upset the stem and fill thehole. The head is afterward rounded
. Forging of iron and steel, a text book for the use of students in colleges, secondary schools and the shop . SPLITTING, PUNCHING, AND RIVETING 81 The way in which a rivet is driven depends upon thepurpose of the rivet. If it is to make a tight joint orseam, the pieces are brought together into their properposition. The rivet is heated to afull red heat, passed through the holepreviouslj* punched or drilled, heldin place by a dolly-bar 1 or rested onthe anvil according to the nature of the work, and thendriven with heavy blows to upset the stem and fill thehole. The head is afterward rounded to the shape de-sired. The quicker the riveting is done the more heatis left in it and hence the greater the amount of con-traction, after the riveting is finished, to draw the platestogether. If the rivet is to fill the irregularities of apunched hole, it should, when heated,be as good a fit in the hole as pos-Fi§- 123 sible. If the rivet is to hold two pieces together like a pairof tongs, where there must be movement, the rivet isstruck light blows which spread out the end to the de-sired shape but doe
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1915
