|
| Method of marking the curves on teeth that are to be glued on | 55 |
| Method of getting out the teeth of | 56 |
| Spacing the teeth on the wheel rim | 56 |
| Methods of accurately spacing the pattern when it has an even number of teeth | 58 |
| Method of spacing the wheel rim when it has an odd number of teeth | 58 |
| Gear-Wheels, Bevel Pinion, drawings for | 59 |
| Getting out the body for a bevel-wheel | 59 |
| Template for marking the division lines on the face of the wheel | 59 |
| Marking the lines of the division on the wheel | 60 |
| Gear-Wheels, Pinion, with dovetail teeth | 60 |
| Testing the angle of bevel-wheels while in the lathe | 60 |
| Gear-Wheels, Skew Bevel. Finding the line of contact | 61 |
| Marking the inclination of the teeth | 61 |
| Gear-Wheels, Bevel, drawing for built up | 61 |
| Gear-Wheels, Worm, or endless screw | 62 |
| Constructing a pattern from which the worm is to be cast | 62 |
| Tools for cutting the worm in a lathe | 62 |
| Cutting the teeth by hand | 62 |
| Gear-Wheels, Mortise or cogged | 63 |
| Methods of fastening cogs | 63 |
| Methods of getting out cogs for | 63 |
| Gear-Wheel Teeth, calculating the strength of epicycloidal | 64 |
| Factors of safety for | 64 |
| Tredgold’s rule for calculating the strength of | 65 |
| Cut, calculating the strength of | 65 |
| Gear-Wheel Teeth. The strength of cogs | 66 |
| The thickness of cogs | 66 |
| The durability of cogs | 66 |
| Table for calculating the strength of different kinds of | 67 |
| The contact of cast teeth | 67 |
| Table for determining the relation between pitch diameter, pitch, and number of teeth in gear-wheels | 68 |
| Examples of the use of the above table | 68 |
| With stepped teeth | 69 |
| Angular or helical teeth | 69 |
| End thrust of angular teeth | 69 |
| Herring-bone angular teeth | 69 |
| For transmitting motion at a right angle by means of angular or helical teeth | 112 |
| For foundations, various forms of | 219 |
| Cylinder, with facing slide rests | 219 |
| With double heads and facing rests | 220 |
| Lathe for turning Wheel hubs | 221 |
|
| CHAPTER IX. |
| DRIVING WORK IN THE LATHE. |
|
| Drivers, carriers, dogs, or clamps, and their defects | 222 |
| Lathe clamps | 222 |
| Equalizing drivers | 223 |
| The Clements driver | 223 |
| Driver and face plate for screw cutting | 223 |
| Forms of, for bolt heads | 224 |
| Adjustable, for bolt heads | 224 |
| For threaded work | 225 |
| For steady rest work | 225 |
| For cored work | 225 |
| For wood | 225 |
| Centres for hollow work | 226 |
| For taper work | 226 |
| Lathe Mandrels, or arbors | 227 |
| Drivers for | 227 |
| For tubular work | 227 |
| Expanding mandrels | 227 |
| With expanding cones | 228 |
| With expanding pieces | 228 |
| Expanding, for large work | 228 |
| For threaded work | 228 |
| For nuts, various forms of | 229 |
| For eccentric work | 229 |
| Centring devices for crank axles | 230 |
| The Steady Rest or back rest | 231 |
| Steady rest, improved form of | 232 |
| Cone chuck | 232 |
| Steady rest for square and taper work | 233 |
| The cat head | 233 |
| Clamps for | 233 |
| Follower rests | 234 |
| Chucks and Chucking | 234 |
| Simple forms of chucks | 234 |
| Adjustable chucks for true work | 235 |
| Two-jawed chucks | 236 |
| Box body chucks<
tenberg@html@files@39225@39225-h@39225-h-44.htm.html#Page_I_285" class="pginternal">285 |
| Countersinks | 285 |
| Shapes of lathe boring tools | 285 |
| Boring tools for brass work | 286 |
| The spring of boring tools | 286 |
| Boring tools for small work | 287 |
| Boring tool holders | 287 |
| Boring Devices for Lathes | 288 |
| Boring Heads | 288 |
| Boring Bars | 289 |
| Boring bar cutters | 289 |
| Three versus four cutters for boring bars | 290 |
| Boring bars with fixed heads | 290 |
| With sliding heads | 290 |
| Bar cutters, the shapes of | 291 |
| Boring head with nut feed | 291 |
| Boring bars for taper work, various forms of | 292 |
| Boring double-coned work | 293 |
| Boring bar, centres for | 293 |
| Cutting Speeds and feeds for wrought iron | 294 |
| Examples of speeds taken from practice | 295 |
|
| CHAPTER XII. |
| EXAMPLES IN LATHE WORK. |
|
| Technical Terms used in the work | 296 |
| Lathe Centres | 296 |
| Devices for truing | 297 |
| Tools for testing the truth of, for fine work | 298 |
| Shapes of, for light and heavy work | 299 |
| Centre Drilling, attachment for lathes | 300 |
| The error induced by straightening work after | 300 |
| Machine | 300 |
| Combined centre-drill and countersink | 300 |
| Countersink with adjustable drill | 300 |
| Centring square | 300 |
| Centre-punch | 300 |
| Centre-punch guide | 301 |
| Centring work with the scribing block | 301 |
| Finding the centre of very rough work | 301 |
| Centre-drill chuck | 302 |
| The proper form of countersink for lathe work | 302 |
| Countersinks for lathe wo
ot">396 |
| Centres for shaping machines | 397 |
| Traveling Head in shaping machine | 397 |
| Planer Shapers or shaping machines, having a tappet motion for reversing the direction of motion | 398, 399 |
| Quick Return Motion shaping machines, link | 399 |
| The Whitworth | 400 |
| Comparisons of the link motion and Whitworth | 401 |
| Simple Crank, investigating the motion of | 401 |
| Planing Machines, or planer | 402 |
| The various motions of | 402, 403 |
| The table driving gear | 404 |
| Planing machine with double heads | 404 |
| Rotary planing machine | 405 |
|
| CHAPTER XVII. |
| PLANING MACHINERY. |
|
| The Sellers planing machine | 406 |
| The belt shifting mechanism | 406, 407 |
| The automatic feed motions | 408 |
| Sliding Head | 408 |
| Cross Bar | 409 |
| Slides of Planers, the various forms of construction of | 410 |
| Wear of the Slides of planer heads, various methods of taking up the | 410 |
| Swivel Heads | 411 |
| Tool Aprons | 411 |
| Swivel Tool-holding devices for planers | 411 |
| Planer Heads, graduations of | 412 |
| Safety devices for | 413 |
| Feed motions for | 414 |
| V-guideways for | 414 |
| Flat guideways for | 415 |
| Oiling devices for | 415 |
| Planing Machine Tables | 415 |
| Slots and holes in planing machine tables | 416 |
| Forms of bolts for planer tables | 417 |
| Supplementary tables for planer tables | 417 |
| Angle plates for planer tables | 418 |
| Chucking devices for planer tables | 418 |
| Planer Centres | 418 |
| CHAPTER XXI. |
| THREAD-CUTTING MACHINERY AND BROACHING PRESS. |
|
| Pipe Threading, die stock for, by hand | 463 |
| Die stock for, by power | 463 |
| Pipe threading machines, general construction of | 463 |
| Bolt Threading hand machine | 464 |
| With revolving head | 465 |
| Power threading machine | 465 |
| With automatic stop motion | 466 |
| Construction of the head | 466 |
| Construction of the chasers | 466 |
| Bolt threading machine with back gear | 467 |
| Single rapid bolt threading machine | 467 |
| Double rapid bolt threading machine | 467 |
| Construction of the heads of the rapid machines | 468 |
| Bolt threading machinery, the Acme | 468 |
| Construction of the head of | 468 to 470 |
| Capacity of | 470 |
| Cutting Edges for taps, the number of | 471 |
| Examples when three and when four cutting edges are used, and the results upon bolts that are not round | 471, 472 |
| Demonstration that four cutting edges are correct for bar iron | 472 |
| Positions of Dies, or chasers in the heads of bolt cutting machine | 473 |
| Dies, methods of hobbing, to avoid undue friction | 473 |
| The construction of, for bolt threading machines | 473 |
| Method of avoiding friction in thread cutting | 474 |
| Hob for threading | 474 |
| Cutting speeds for threading | 474 |
| Nut Tapping machine | 475 |
| Automatic socket for | 475 |
| Rotary | 475 |
| Three-spindle | 475 |
| Pipe Threading Machine | 475 to 477 |
| Tapping Machine for steam pipe fittings | 478 |
| Broaching Press | 478 |
| Principles of broaching | 478 |
| Examples in the construction of broaches | 479 |
