Machine molding; foundry appliances, malleable casting, brass founding, blacksmith-shop equipment, iron forging, tool dressing, hardening & tempering, treatment of low-carbon steel by International Correspondence Schools

Machine molding; foundry appliances, malleable casting, brass founding, blacksmith-shop equipment, iron forging, tool dressing, hardening & tempering, treatment of low-carbon steel by International Correspondence Schools

Author:International Correspondence Schools
Language: eng
Format: epub, pdf
Tags: Blacksmithing, Brass founding, Forging, Founding, Machinery
Publisher: Scranton, International Textbook Co.
Published: 1906-03-25T05:00:00+00:00


Fir. 41

t I . Building Up.—It is frequently inconvenient or impracticable to make a forging out of a single piece because of the shape it is to have, ich a case the forging is built up; that i nade

of a number of pieces that are forged to their approximate shapes and then welded together. Fig. 43 si

§57

IRON FORGING

a built-up forging in which the welds are designated by the letters a, a.

42. Fagoting.—The operation of welding a quantity of

wrought iron in small pieces, as scrap iron into a slab or billet, is called fagoting, and sometimes shingling. In fagoting, a flat piece of iron is laid on a board and the pieces of scrap iron are piled on top of it, making a firm rectangular pile with large pieces around the outside and small pieces in the center; or, the flat piece on the board may be omitted, as shown in Fig. 44. The



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