Category: Engineering & Technology
Electric Welding—Oxy-acetylene Gas Welding—The Fagot Weld—The Separate Heat Weld—Scarfing—Upsetting—Making the Weld—Lap Welding without Scarfing—Jump Welding—Butt Weld—Split Welding—Corner Weld—T-Weld 22
Electric Welding—Oxy-acetylene Gas Welding—The Fagot Weld—The Separate Heat Weld—Scarfing—Upsetting—Making the Weld—Lap Welding without Scarfing—Jump Welding—Butt Weld—Split Wel...
3. CHAPTER III.4. CHAPTER IV.5. CHAPTER V.6. CHAPTER VI.7. CHAPTER VII.Making a Flat Cold Chisel—Spring Tempering—Welding Steel—Case Hardening—Coloring Steel—Annealing—Making a Scratch Awl—Making a Center Punch—Making a Hand Punch—High Speed Steel—...
8. CHAPTER VIII.9. CHAPTER X.10. CHAPTER XI.11. CHAPTER XII.12. CHAPTER I.One of the most essential things in the school forge shop is a good forge and fire; half the work is then mastered. A few years ago nearly all of the small commercial shops runn...
13. CHAPTER II.Electric Welding—Oxy-acetylene Gas Welding—The Fagot Weld—The Separate Heat Weld—Scarfing—Upsetting—Making the Weld—Lap Welding Without Scarfing—Jump Welding—Butt Weld—Split Wel...
14. CHAPTER III.A corner weld made by using heavy stock, for example, one and one-fourth inch square, is to have a square corner by welding. See Figure 44. With the dimensions six inches from o...
15. CHAPTER IV.Staples are used for hasps, gate hooks, and for various other purposes. They are made from all sizes of stock, depending on the use to which they are put. On account of its plia...
16. CHAPTER V.Bolts may be made in one piece by upsetting the end of a bar, then squaring the head by driving the piece into a heading tool. A bolt may also be made by welding a collar around...
17. CHAPTER VI.In forging tongs, stock ⅞-in. square of Norway or Swedish iron may be used, as it is much easier for a beginner in welding the handle on to the jaws. Soft steel may be used late...
18. CHAPTER VII.Making a Flat Cold Chisel—Spring Tempering—Welding Steel—Case Hardening—Coloring Steel—Annealing—Making a Scratch Awl—Making a Center Punch—Making a Hand Punch—High Speed Steel—...
19. CHAPTER VIII.At the present time great interest is being taken in the teaching of art work in our public schools. Every school of importance is doing something in the way of giving the pupil...
20. CHAPTER IX._Twisting._ A piece of one-half inch square stock, nine inches long, is heated its entire length, one end caught in a vise and with a monkey wrench or heavy pair of tongs on the...
21. CHAPTER X._Door latch._—In Figure 21 is shown a latch for a double door. In Figure 22 are shown the dimensions of the two plates and the bar latch. In making the plates, a piece of soft s...
22. CHAPTER XI.Drawer pulls can be of one part, the handle being fastened directly to the drawer, or they may be of two parts, the handle and plate. The handle can be made stationary on the pl...
23. CHAPTER XII.Figure 49 represents a hat-and-coat hook. In the making of this piece, the plate should be made from No. 14 soft steel. The dimensions are shown in Figure 50. The shape of the p...
24. CHAPTER XIII.A very interesting and useful article to make is a toasting fork. The stock used can be spring steel. A disadvantage in using this steel is that it is too hard to work out a des...
25. CHAPTER XIV.The lantern shown in Figure 66 consists of four sides which are fastened together with angles and rivets. The top is made from four pieces, with angles also riveted to them. The...
26. CHAPTER XV.In Figure 80 is represented a portable lamp. This kind of lamp can be made in various sizes with one light. The lamp shown in the illustration, consists of two parts; the standa...