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Turning and Boring

INDEX

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Page

Acme flat turret lathe, examples of chuck work 219

Acme standard thread and tool for cutting 159

Acme standard thread gage 157

Acme thread tool, measuring width with vernier caliper 157, 158

Accumulation of errors 105, 106

Aligning lathe centers for cylindrical turning 16

Allowances, average, for forced fits 130

for different classes of fits 131

for driving fits 131

for forced fits of given pressure 133

for push fits 131

for running fits 131

for shrinkage fits 133

Aluminum, lubricant for machining 53

shape of tools for turning 53

speed and feed for machining 53

Angle-plate applied to lathe faceplate 48

Angles, gage for accurate measurement of 97

Apron of lathe 4, 5

Arbor or mandrel press 22

Arbors or mandrels for lathe work, types of 19

use of 17

Attachment, application of Hendey relieving 125

convex turning for vertical boring mill 259

for coarse threading in lathe 160

for spherical turning 113

for taper turning in lathe 88

Hendey relieving 123

Automatic chucking and turning machine, Potter & Johnston 223

Potter & Johnston, method of “setting-up” 227

Potter & Johnston, turning flywheel in 236

Back-gears of lathe 3, 4

Bardons & Oliver turret lathe, general description 178

Bored holes, measuring diameter of 41

Boring and reaming tools for vertical mill 251

Boring and turning mill, vertical, general description 242

vertical, holding and setting work 247

vertical, turning in 249

turning tools for 253

Boring-bar cutters and methods of holding 280

Boring cutters for roughing and finishing cuts 285

Boring cylinders on horizontal machine 286

Boring holes to given center distance in lathe 51

Boring in lathe, example of 39

Boring large castings in lathe 49

Boring large holes, cutter-heads used for 283

Boring machine, horizontal 275

horizontal, examples of work on 289-297

horizontal, floor type 294

vertical, multiple-spindle type 274

Boring tool, lathe 40

Box-tools, different designs and examples of work 193

for general turret lathe work 190

Bradford belt-driven lathe, general description 1

Bradford quick change-gear type of lathe 173

Brass, speed for turning 52

tool for turning in lathe 52

“Bridle” or “hold-back” for lathe 26, 27

Bullard vertical turret lathe 264

examples of work 268

Button method of locating work 101

Caliper tool for taper turning 85

Calipers, methods of setting 10, 11

“Cat-head,” application in lathe work 25

Center holes, incorrect and correct forms 32

Center indicator, use of 100

Centered stock, methods of facing ends 34

Centers, lathe, aligning for cylindrical turning 16

lathe, grinder for truing 34

Centering machine 30

Centering parts to be turned 28

Centering, precaution for tool steel 33

Change gears, calculating for thread cutting 167

compound, for thread cutting 170

for cutting fractional threads 171

for cutting metric pitches 171

for thread cutting 135

Chasing dial for “catching threads” when screw cutting 141

Chuck, inaccuracy from pressure of jaws 42

lathe, application of 37

setting work in 42

universal, independent and combination 36

Chucking and turning machine, Potter & Johnston automatic 223

Potter & Johnston automatic, method of “setting-up” 227

Potter & Johnston automatic, turning flywheel in 236

Chucking machine, New Britain, multiple-spindle type 238

Clearance angle for turning tools 66

Clearance of turning tools, meaning of 62, 63

Coarse threading attachment for lathe 160

Collapsing tap, Geometric 202

Combination chuck for lathe 36

Compound rest, applied to screw or thread cutting 143

applied to taper turning 95

Convex turning attachment for vertical boring mills 259

Copper, tool for turning in lathe 52

Crankshaft lathe, description of R. K. LeBlond special 108

operation of R. K. LeBlond 110

Crankshaft turning in engine lathe 107

Cross-slide stop for threading 155

Cuts, average depth for turning 75

roughing and finishing in lathe 12, 75, 76

Cutter-heads, for boring, equipped with adjustable tools 284, 285

for horizontal boring machine 283

Cutters, boring, roughing and finishing types 285

for boring-bars 280

Cutting lubricants for turning tools 77

Cutting speeds, average for turning 72

based on Taylor's experiments 71

effect of lubricant on 76

factors which limit speeds for turning 72

rules for calculating 74

Cylinder boring machine, multiple-spindle type 274

Cylinder boring on horizontal machine 286

Cylinder lining, fixture for holding when boring 293

Cylindrical turning, simple example of 6

Davis turret lathe, turning bevel gear blanks 212

turning worm-gear blanks 211

Depth of cut for turning, average 75

Detrick & Harvey horizontal boring machine, floor type 294

Dial for “catching threads” when screw cutting 141

Dial gage, testing concentricity of button with 103, 104

Die and tap holders, releasing 199

Die-heads, self-opening type 200

Disk gage, for angles and tapers 97

rules for setting 98, 99

Dogs or drivers, lathe, application of 16

Drill, flat, for lathe 44

Drilling and reaming in lathe 43

Drivers or dogs, lathe, application of 16

Driving fits, allowances for 131

Eccentric turning in lathe 106

Engine lathe, general description 1

Errors, accumulation of 105, 106

Faceplate, indexing for multiple-thread cutting 153

lathe, application of angle-plate to 48

lathe, holding work on 45

Facing ends of centered stock, different methods 34

Feed and depth of cut for turning, average 75

Feeds and speeds for turning based on Taylor's experiments 71

Filing and polishing in lathe 13

Finishing and roughing cuts in lathe 75, 76

Fits, allowances for different classes 131

different classes used in machine construction 129

driving, allowances for 131

forced, allowances for given pressure 133

forced, average allowance for 130

forced, pressure for 132

push, allowances for 131

running, allowances for 131

shrinkage, allowances for 133

Fixture for holding thin lining when boring 293

Flat drill and holder for lathe 44

Flat turret lathe, Acme, examples of chuck work 219

Hartness, example of turning 213

Jones & Lamson double-spindle type 221

Floating reamer holders 271

Flywheel, finishing in one setting in turret lathe 186

finishing in two settings in turret lathe 189

machining in turret lathe 184

turning in Potter & Johnston automatic 236

turning in vertical boring mill 255

Follow-rest for lathe 27

Forced fits, allowances for given pressure 133

average allowance for 130

pressure generally used in assembling 132

Fractional threads, change gears for cutting 171

Gage, disk, for angles and tapers 97

disk, rules for setting 98, 99

for testing V-thread tool 138

standard plug, for holes 42

thread, Acme standard 157

Geometric collapsing tap 202

Geometric self-opening die-head 200

Gisholt convex attachment for vertical mill 259

Gisholt vertical boring mill, general description 242

Grinder for truing lathe centers 34

Grinding lathe tools 62

Hartness flat turret lathe, example of turning 213

Hendey relieving attachment 123

application of, for relieving taps, cutters and hobs 125

“Hold-back” or “bridle” for lathe 26, 27

Hollow mills for turret lathe 198

Horizontal boring machine 275

Detrick & Harvey floor type 294

examples of work 289-297

Independent chuck for lathe 36

Index plate, change gear, for lathe 137

Indicator, center, use on lathe 100

for “catching threads” when screw cutting 141

test, truing buttons with 102, 103

thread, for lathe apron, principle of 142

Inserted cutter turning tools for lathe 58

Internal threading 154

Jones & Lamson double-spindle flat turret lathe 221

Knurling in lathe and tool used 122

Lard oil as a cutting lubricant 78

Lathe, boring holes to given center distance in 51

boring large castings in 49

boring small hole with 104, 105

cutting threads in 135

drilling small hole with 104

general description of Bradford 1

LeBlond crankshaft, operation of 110

Lo-swing, general description 115

method of handling when cutting threads 138

quick change-gear type 173

R. K. LeBlond special crankshaft 108

turret type, general description 178

Lathe centers, grinder for truing 34

Lathe chucks, application of 37

universal, independent and combination 36

Lathe faceplate, holding work on 45

Lathe follow-rest 27

Lathe steadyrest 23

application of, when boring 25

Lathe taper attachment 88

practical application of 90

Lathe tool grinding 62

Lathe tools, angle of clearance 66

angle of keenness 67

application of various types 56

slope of cutting edge 66, 67

Lathe turning tools, inserted-cutter type 58

set of tools for general work 54

Lead of thread, definition of 146

LeBlond, R. K., lathe for crankshaft turning 108

Left-hand thread, method of cutting 148

Lining, fixture for holding when boring 293

Lo-swing lathe, general description 115

example of multiple-turning 117

Lubricant, effect on cutting speed 76

for cooling turning tools 77

for machining aluminum 53

lard oil as a cutting 78

Lucas horizontal boring machine 275

Mandrel or arbor press 22

Mandrels or arbors for lathe work, types of 19

for lathe work, use of 17

Metric pitches, change gears for cutting 171

Micrometer for measuring threads 162

Mills, hollow, for turret lathe 198

Multiple-spindle chucking machine, New Britain 238

Multiple-thread cutting, indexing faceplate for 153

Multiple threads 146

method of cutting 150

setting tool when cutting 152

Multiple-turning in Lo-swing lathe 117

New Britain multiple-spindle chucking machine 238

Newall Engineering Co's fit allowances 131

Pistons, gasoline engine, turning in turret lathe 204

Piston rings, attachment for turning in turret lathe 210

turning in turret lathe 206

Piston turning in Pratt & Whitney turret lathe 208

Pitch, metric, change gears for cutting 171

Pitch of thread, definition of 146

Plug gage, standard 42

Polishing and filing in lathe 13

Potter & Johnston automatic chucking and turning machine 223

method of “setting-up” 227

turning flywheel in 236

Pratt & Whitney turret lathe, arranged for piston turning 208

equipped with piston ring turning attachment 210

Press for arbors or mandrels 22

Pressure generally used in assembling forced fits 132

Push fits, allowances for 131

Quick change-gear type of lathe 173

Reamer holders, floating type 271

Reaming and drilling in lathe 43

Releasing die and tap holders 199

Relieving attachment, Hendey 123

application of 125

Relieving hobs or taps having spiral flutes 128

Rivett-Dock threading tool 164

Roughing and finishing cuts in lathe 75, 76

Running fits, allowances for 131

Screw cutting, calculating change gears for 167

compound gearing for 170

in engine lathe 135

method of handling lathe 138

selecting change gears for 135

with compound rest 143

Screws, cutting to compensate for shrinkage 165

metric, change gears for cutting 171

testing size of 161

Selecting type of turning machine 240

Shrinkage, cutting screws to compensate for 165

Shrinkage fits, allowances for 133

Side-tool, facing with 7

Speeds for turning, average 72

based on Taylor's experiments 71

effect of lubricant 76

factors which limit 72

rules for calculating 74

Spherical turning 111

attachments for 113

“Spider” for supporting bushing while turning 48, 49

Spiral flutes, method of relieving hobs or taps with 128

Square thread and method of cutting 149, 159

Steadyrest, application of when boring 25

for engine lathe 23

Stop for lathe cross-slide when threading 155

Tap and die holders, releasing type 199

Taper attachment for lathe 88

practical application of 90

Taper boring with taper attachment 90

Taper threading, position of tool for 154

Taper turning, adjustment of tailstock center for 82

by offset-center method 80

examples of 83

height of tool for 94

in vertical boring mill 261

in vertical mill with horizontal and vertical feeds 262

setting tailstock center with caliper tool 85

setting tailstock center with square 87

with compound rest 95

with taper attachment 92, 93

Tapers, gage for accurate measurement of 97

rules for figuring 97

Test indicator, truing buttons with 102, 103

Test or center indicator for use on lathe 100

Thread cutting, calculating change gears for 167

compound gearing for 170

cross-slide stop used for 155

indexing faceplate for multiple threads 153

in engine lathe 135

internal 154

method of handling lathe 138

selecting change gears for 135

taper, position of tool for 154

with compound rest 143

Thread gage, Acme standard 157

Thread indicator for lathe apron 141, 142

Thread micrometer 162

Thread tool, Acme, measuring width with vernier caliper 157, 158

for cutting V-thread 138

Thread tools for standard threads 159

Threads, Acme standard, and tool for cutting 159

change gears for fractional 171

cutting to compensate for shrinkage 165

different forms of 144

left-hand, method of cutting 148

metric, change gears for cutting 171

multiple 146

multiple, method of cutting 150

multiple, setting tool when cutting 152

sharp V, and tool for cutting 159

square, and method of cutting 149, 159

testing size of 161

three-wire system for measuring 163

U. S. standard, and tool for cutting 146, 159

Whitworth standard, and tool for cutting 158, 159

worm, and tool for cutting 159, 160

Threading attachment, lathe, for coarse threads 160

Threading tool, Rivett-Dock 164

Tool grinding 62

Tools for lathe, set for general turning 54

Tools for turning, angle of clearance 66

angle of keenness 67

inserted-cutter type 58

slope of cutting edge 66, 67

Tools for turret lathe 190

Tools, lathe, application of various types 56

Turning, cylindrical, simple example of 6

eccentric 106

multiple, in Lo-swing lathe 117

with front and rear tools 114

Turning speeds, average for lathe 72

based on Taylor's experiments 71

factors which limit 72

rules for calculating 74

Turning tools, angle of clearance 66

angle of keenness 67

for aluminum 53

for brass 52

for copper 52

for lathe, position of 60

for lathe, set of, for general work 54

inserted-cutter type for lathe 58

slope of cutting edge 66, 67

Turret lathe, Bardons & Oliver, general description 178

examples of chuck work in Acme flat 219

Hartness flat, example of turning 213

Jones & Lamson double-spindle type 221

machining flywheels in 184

Pratt & Whitney arranged for piston turning 208

piston ring turning attachment for 210

tools for general work 190

turning bevel gear blanks in Davis 212

turning gasoline engine pistons in 204

turning piston rings in 206

turning worm-gear blanks in Davis 211

typical example of turret lathe work 181

Turret lathe tools, miscellaneous types 202

Turret lathe type of vertical boring mill264

Type of turning machine, factors which govern selection 240

U. S. standard thread 159

method of cutting 146

Universal chuck for lathe 36

V-thread and tool for cutting 159

Vertical boring mill, Bullard turret lathe type 264

convex turning attachment 259

general description 242

holding and setting work 247

taper turning in 261

taper turning with horizontal and vertical feeds 262

tools for boring and reaming 251

turning flywheel in 255

turning tools for 253

Vertical turret lathe, Bullard, examples of work 268

Whitworth standard thread and tool for cutting 158, 159

Wire system for measuring threads 163

Worm thread and tool for cutting 159, 160

Transcriber's notes:

Inconsistencies encountered: Left as in original: use of degree, deg. and °; use of minute, min. and '. Standardised to the most commonly used in the book: backgear(s) to back-gear(s); camshaft to cam-shaft; crankpin to crank-pin; face-plate to faceplate; out-board to outboard; over-hang to overhang; setscrew to set-screw; steady-rest to steadyrest; subdivision(s) to sub-division(s); tail-stock to tailstock; thumbscrew to thumb-screw; tool-post to toolpost; tool-slide to toolslide; hand-wheel to handwheel; U.S. to U. S.

Page 64 had a blotched (illegible) word, this has been replaced by (large and rigid) work.

Table of Contents: largely re-compiled to create one-to-one links with named paragraphs and sections in text.

Illustrations: generally moved to the paragraph they refer to.

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