. Forging of iron and steel, a text book for the use of students in colleges, secondary schools and the shop . /in Operation. Follow the directions on page 88 to makethe head and on pages 88 and 89 for shaping it. Example 18. Square Nut. — Stock, Norway Iron f xl. Explanation. The square nut shown by Fig. 18 Ais to be made. In case there is too much stock, obtainthe proper thickness at the expense of the other dimen-sions. Adjacent sides must be at right angles to eachother and at right angles to the faces. Operation. Punch § hole in the exact center of thepiece. Place on mandrel (Fig. 18 B) a
. Forging of iron and steel, a text book for the use of students in colleges, secondary schools and the shop . /in Operation. Follow the directions on page 88 to makethe head and on pages 88 and 89 for shaping it. Example 18. Square Nut. — Stock, Norway Iron f xl. Explanation. The square nut shown by Fig. 18 Ais to be made. In case there is too much stock, obtainthe proper thickness at the expense of the other dimen-sions. Adjacent sides must be at right angles to eachother and at right angles to the faces. Operation. Punch § hole in the exact center of thepiece. Place on mandrel (Fig. 18 B) and with heavy. blows bring to size and shape. To true the faces holdin narrow tongs (Fig. 18 C). Example 19. Hexagonal Nut. — Stock, Norway Ironf X 1 any convenient length. A COURSE OF EXERCISES 195 Explanation. The nut is to be finished to size andshape shown in Fig. 19 A. Faces to be at right anglesto the sides, and the sides toform a perfect hexagon. Operation. Cut the stockas shown by Fig. 19 B, bendas shown by Fig. 19 C whilequite hot, and strike a heavyblow to produce the formshown by Fig. 19 D. Bendas shown by Fig. 19 E andstrike to produce the formFig. 19 F. Punch and breakfrom stock and finish onmandrel. Example 20. Ice Tongs.— Stock, Norway Iron f x§ x 14 (2 pieces). Explanation. The stock isto be drawn with sledge (orpower hammer) to approxi-mately the size shown in B and finished to exactsize with hammer, flatter andswage. The handle and bladeshould be bent to shape, thehole punched and the partsriveted together to form awell-shaped strong pair of icetongs. Operation. Draw ou
Size: 2002px × 1248px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1915
