CHAPTER XXXIII.

=FORGING.=

=Testing Iron= by bending it 226

Testing machines 227, 228

=Tools for Blacksmiths= 228 to 232

Forges 228, 229

Chisels, &c. 230

Anvils 230

Swages 230, 231

Spring swages 231

Swage blocks 232

=Swaging= 232, 233

=Examples in Welding= 233, 235

Iron 233, 234

Steel to iron 234

Best method of 234, 237

=Examples in Forging= 238 to 252

Device for bolt forging 238

Forging turn buckles 239

Methods of bending iron 240

Device for bending iron 240, 241

Forging steel forks 241

Forging under the hammer 242, 243

Forging rope sockets 243, 244

Forging wrought iron wheels for locomotives 244, 245

Forging rudder frames 245, 246

Welding scrap iron for large shafts 247

Construction of furnace for heating scrap 247

Forging crank shafts 248, 249

Forging large crank shafts 249, 252

Forging machines 252 to 263

Foot-power hammer or Oliver 252, 253

Standish's foot-power hammer 252, 253

Power hammers and steam hammers 252, 253

Bradley's cushioned hammer 252, 253

Corr's power hammer 254, 255

Kingsley's trip hammer 255

The drop hammer 255, 256

Steam hammers 257, 258

Double frame steam hammer 258

Double frame steam drop hammer 258

Double frame steam drop hammer for locomotive and car axles

and truck bars 259

The Edgemore Iron Works' hydraulic forging press 260

Dies for forging eye bars 260

Nail forging machine 260

Rolls for forming knife blades 261

Machine for forging threads on rods 261, 262

Finishing machine for horseshoes 262, 263

Circular saw for cutting hot iron 263

Modern Machine-Shop Practice, Volumes I and II · 第 20 / 49 章