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A Textbook of Elementary Forging Practice
While a comprehensive knowledge of forging practice can be gained only through contact with a commercial shop doing a wide variety of work, an understanding of fundamental principles can be secured through a carefully planned and conducted course of instruction in a technical school. This book is designed to assist the students in grasping fundamental principles. To this end, a series of 44 projects involving fundamental operations has been devised:
Drawing-out and Bending Ring
S-Hook
Staples
Beam Strap
Twisted Gate-Hook
Practice Welds -- Fagot
Round Lap-Weld
Flat Lap-Weld
Links of Chain
Ring -- Round Lap-Weld
Ring -- Link Scarf
Forged Hook
Common Eye-Bolt
Common Hinge
Flat Ring
Band Ring
Upset-Head Bolt
Welded-Head Bolt
Forged Bolt
T-Weld
Angle Weld
Forged Open-End Wrench
Flat-Jawed Tongs
Link Tongs
Hollow-Bit Tongs
Cold Chisel
Cape Chisel
Round-Nose Cape Chisel
Center-Punch
Round-Nose Tool
Cutting-Off Tool
Threading Tool
Side Tool
Boring Tool
Cross-Peen Hammer
Small Cross-Peen Hammer
Ball-Peen Hammer
Hot Eye Chisel
Cold Eye-Chisel
Geologists Pick
Hand Rock-Drill
Machine Rock-Drill
Hunting Axe
Hunting Knife
Contents Covered:
Materials and Equipment
◦Materials
◦Wrought Iron, Norway or Swedish Iron, Machinery Steel, High-Carbon Steel, High-Speed Steel
◦Emery-Wheel Test
◦Weight of Iron
◦Shrinkage
◦Forge, Fire Tools, Coal, Building Fire, Coke, Making Coke, Clinker, Banking Fire, Cleaning Fire at End of Period
◦Anvil, Tool Rack
◦Hammer, Backing Hammer, Cross Peen Hammer, Sledges
◦Tongs, Fitting Tongs to the Work
◦Measuring and Marking Tools
◦Flatter, Set-Hammer, Chisels, Grinding Chisels, Bob-Punch, Necking Tool, Fullers, Swages, Swage Block
◦Vise, Cone, Surface Plate, Shears
Drawing-Out, Bending and Twisting
◦Oxidizing Fire
◦To Prevent the Formation of Scale
◦Welding Heat, Indications of a Welding Heat
◦Burned Iron
◦Drawing-out, Squaring, or Truing-up, Work
◦Cutting Cold Stock, Cutting Hot Stock
◦Twisting, Punching
Common Welds
◦Lap Weld, Upsetting, Scarfing
◦Use of Fluxes in Welding, Method of Using Flux
◦Welded Rings
◦Forge Hook, Common Eye-Bolt, Common Hinge, Flat Ring, Band Ring, Heading Tool, Cupping Tool, Bolts
Special Welds
◦Butt Weld, V-Weld, Jump Weld, Split Weld, Split Weld for Heavy Stock, T-Weld, Angle Weld
Hammer Work
◦Trip-Hammer or Belt-Hammer, Steam-Hammer
◦Finishing Allowance
◦Forged Wrench, Flat-Jawed Tongs, Link Tongs, Hollow-Bit Tongs
Annealing, Hardening and Tempering Steel
◦Annealing, Box Annealing, Water Annealing
◦Hardening, Refining Heat, Recalescence, Tempering, Guide for Hardening, Tempering only the Cutting Edges of Tools, Hardening and Tempering Tools Throughout, Methods of Cooling, Forging Heat of Tool Steel, Heating Steel for Hardening, Importance of Uniform Heating, Hardening at a Rising Heat, Restoring the Grain, Warping in Cooling, Hardening Thin Flat Articles, Tempering Taps, Tempering Carving Knives, Tempering Shear Blades, Tempering Springs, Case-Hardening, Pack-Hardening
◦Treatment of High-Speed Steel
◦Cutting Stock, Forging Heat, The Fire, Heating for Hardening, Cooling, Annealing
Tool Forging
◦Selection of Steel for Tools, Lathe Tools, Cold Chisel, Cape Chisel, Round-Nose Cape Chisel, Center-Punch, Round-Nose Tool, Cutting-off Tool, Threading Tool, side Tool, Boring Tool, Cross-Peen Hammer, Eye-Punch, Drift-pin, Small Cross-Peen Hammer Ball-Peen Hammer, Hot Eye-Chisel, Cold Eye-Chisel, Geologists Pick, Hand Rock-Drill, Machine Rock-Drill, V-Fullers, Wing Swage, Dolly, Hunting Axe, Hunting Knife
Format: PDF Digital Reprint, e-Facsimile
No. of Pages: 151
Page Size: A4 (210mm × 297mm)
Download Size: 7.2 MB
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