CHAPTER XXXV.

=WOOD WORKING MACHINERY.=

=Classification= 287

=Circular Saws= 287 to 305

Gauges for circular saws 287

Table of diameters 287

Thickness 287

Size of mandrel hole 287

Shingle saw 287, 288

Concave saw 287, 288

Stretching of circular saws by heat 288

The tension of circular saws 288

Causes of alteration of tension and method of discovering the

same 288

Truth of circular saws 288

Various effects of circular saws heating 288

Truing circular saws 288

Sharpening the teeth of circular saws 289, 290

The gumming, gulleting or chamfering machine 290

Inserted teeth of saws 290

Chisel teeth saws 290, 291

Inserting teeth in circular saws 290, 291

Swing frame saws 290, 292

Fence for swing frame saws 293

Examples of work done on swing frame machine 293

Swing machine with fixed table 294

Double saw machine 294, 295

Gauges for sawing machine 294

Method of employing the mitre gauge 294

Cropping and gauging gauge 296

Bevel or mitre sawing machines 296, 298

Roll feed circular saw machine 298, 300

Segmental circular saws 300

Fastening saw segments to their disks 301

Gang edging machines 301

Rack feed saw bench 301

Construction of the feed motion 301 to 304

Fibrous packing for circular saw 305

=Tubular Saw Machine= 305

=Cross Cutting or Gaining Machine= 305, 306

=Scroll Sawing Machine= 306

Construction of various scroll sawing machines 306, 307

=Band Sawing Machine= 308 to 312

Various kinds of teeth for band saws 308, 309

Pitch of teeth for band saws 309

The adjustment of the saws of band saw machines 309, 310

Filing the teeth of band saw machines 309

Re-sawing band saw machine 309, 310

To regulate the tension of band saws 310, 311

Construction of band saw guides 311

Various band saw machines 311, 312

=Reciprocating Cross Cutting Saw= 312

Construction of 312

=Horizontal Saw Frame Machine= 312 to 315

Construction of the saw driving mechanism 314

Construction of the feed motion 315

Construction of the saw 315

=Planing Machines= 315 to 341

Buzz planer 315

Construction of the work table 316

Construction of the cutter head 316

Skew knives 316

Roll feed wood planing machine 317

The construction of the feed rolls 317

Adjustment of the feed rolls 317

Construction of the pressure bars 317

Adjustment of the roll pressure 318

Adjustment of the work table 318

The roll driving mechanism 319

The cutter head 320

Three feed roll wood planing machine 322, 323

Pony planer 323

Construction of the feed mechanism 324

Balancing cutter heads and knives 324, 326

Farrar planing machine 326, 327

Planing and matching machine 328

Construction of the feed rolls 329

Construction of the upper cylinder 329

Construction of the lower cylinder 329

Construction of a matcher hanger 329

The timber planer 330, 331

Construction of parts of the timber planer 331

How the timber planer operates 331, 332

Panel planing and trying up machine 332, 334

Moulding machine 334

Double head panel raiser and double sticker 335, 336

Moulding cutters 336, 337

Cutter heads and circular cutters 337

The Shimer head 337

Head for producing match board grooves 337, 338

Jointing machine 338

Knives of jointing machine 338

Speed of cutter head or disc 338

Stroke jointers 338, 339

Machine for cutting mitre joints 339

Moulding or friezing machines 339

Important points of friezing machines 339

Construction of moulding and friezing machines 340, 341

Shape of cutters for moulding and friezing machine 341

Rotary cutters for all kinds of work, and for edge moulding

and friezing machine 341 to 343

=Boring Machines= 342

Fences for 342

Augers or bits for 342

Boring machines for heavy work 343

=Mortising Machines= 344

Tools used in mortising machines 344

Motion of chisel bar and auger 344

Construction of bed 344

Adjustment of carriage 344

=Tenoning Machines= 344, 345

Construction of revolving heads 344, 345

Tenoning machine for heavy work 346

=Sand-papering Machines= 346, 349

Construction of sand-papering machines 347, 348

Movements of sand-papering machine 347

Cylinder sand-papering machines 348

Self-feeding sand-papering machine 348

Sizes of machines 348

Construction of feed rolls 348

Finishing and roughing cylinders 348

Brush attachment 348

Double wheel sanding machines 348, 349

Modern Machine-Shop Practice, Volumes I and II · 第 22 / 49 章