Capscrew heads, 282
tool steel, 98
Carborundum, 195
Care of centers, 97
of chucks, 86
of files, 272
of oilstones, 206
Case carbonizing, 254
Casting, Die, 225
Castings, Brazing broken,
261
Cleaning by pickling, 333
Die surfaces for, 229
Filling blowholes in, 261
Steel, 249
Tinning, 269
Cast iron, Effect of re-
peated heating on, 256
iron, Hardening, 256
iron, Malleable, 248
-iron pipe, Weight of, 293
Cement, Iron, 331
Center angle, 78
holes, 81
holes, Drilling and ream-
ing, 81
holes, Making, 81
marks, Changing, 80
Spider, 83
work of irregular outline,
80
Centering, Use of screw
jacks for, 306
Centers, Care of, 97
Driving lathe work on,
82
Forms of, 78.
Coloring, Mottled, 265
Combination chucks, 85
dies, 218
jig, 213
Comparison of wire gauges,
290-291
Composition of alloys, 253
Compound gearing, 124
gearing for spirals, 158
indexing, 152
indexing table, 154
rest, Turning tapers by
use of, 106
Concrete machine founda-
tions, 331
Cone, Area of convex sur-
face, 19
mandrel, 83
Total surface of, 19
Volume of, 19
Constants for finding di-
ameter at bottom of
thread, 135
Construction of spiral head,
140
Conversion factors, Metric,
10
factors, Miscellaneous, 12
measures of area, Metric,
10
Copper, Approximate gauge
numbers for, 288
plating, 267
Correct use of diamonds,
193
Corundum, 195
Cosines, Table of natural,
31
Cotangents, Table of natu-
ral, 31
Counterbores, Interchange-
able, 63
Counterboring, 60
Bottom, 63
Countersinking, 60
Cracks, Prevention of in
dies, 219
Cross-hatching for differ-
ent materials, 312
Crystolon, 195
Cubic measure, 2
Cup center, Locating cen-
ters by, 80
Cups, Size of blanks for
deep cylindrical, 224
Size of blanks for non-
cylindrical, 225
Size of blanks for shal-
low, 224
Cut meters, 238
Cuts, Roughing and finish-
ing, 92
Cutter pitch and tooth
proportions, 169
Cutters, Involute, and
range of teeth cut, 181
Involute spur-gear, 180
Milling, 136, 137
Cutting dies, 218
faces of reamers, 58
feeds on chilled iron, 257
iron and steel, 260
lubricants, 246
or polishing materials
used in buffing, 208
soft rubber, 332
speed, Effect of kind of
metal on. 100
Speed, Relation of to ro-
tative speed, 99
speeds, 99
speeds for high-speed-
steel tools, 100-101
speeds for milling, 138-
139
speeds of drills, Table
of, 49
speeds
Decimal equivalents, 4
equivalents of 64ths, 6
gauge, Standard, 294
Decimals and Fractions,
Table of per cents. and
values in, 7
Deep holes, 53
Determining number of
screw threads per inch,
117
Diameters of shafts and
suitable Woodruff keys,
165
Diametral pitch, 167-168
pitch, Finding, from gear,
171
Diamonds, Correct use of,
193
Die casting, 225
casting alloys, 230
castings, Gating, 229
materials, 230
surfaces for die castings,
and finish, 223
Allowances
age, 222
and stocks, 76
Classification of, 218
Combination, 218
cutting, 218
cutting threads with, 76
Dipping, 220
Double-action, 218
Drawing temper of, 221
Heating for hardening,
220
Materials used in, 219
Prevention of cracks in,
219
Prevention of local heat-
ing of, 220
Shaping, 218
Shrinkage allowance in,
230
Tripple-action, 218
Differential indexing, 140
indexing, Table of, 142
Dimensions of plate
washers, 285
of rivet heads, 302
of standard taper pins,
116
of stub teeth, 178
Dipping dies, 220
Disk grinding, 193
grinding, Abrasives for,
grinding, Speeds for, 194
Dislocations and sprains,
345
Distances
ings, 322
Distinguishing steel and
wrought iron, 295
Dividers, Locating Centers
by, 79
between bear-
Dogs, Lathe, 82
Double-acting presses, 219
-action dies, 218
thread, 118
Drawing a parabola, 310
lubricants, 247
or upsetting, 278
temper of dies, 221
Drawings, Lines used on,
311
Drill, Angle and length of
scraping edge, 53
Grinding to cut larger
holes, 54
pin-grip socket, 56
Quick-acting roller chuck
for, 56
shanks, 46
speeds and feeds, 50
Shape of point and cut-
ting edges of, 52
sizes for pipe taps, 69
Drilling, 45
and reaming center holes,
81
and reaming lubricants,
246
brass, 52
chilled iron, 257
head, Multiple, 47
marble, 52
Drills and drill sizes, 45
Chuck for straight-shank,
for square holes, 47
Holding devices for, 55
Lubricants for high-
speed, 51
Portable, 55
Sizes of tap, 64
Speeds and feeds for
high-speed, 50
Table of cutting speeds
of, 49
Tap, for A. S. M. E.
standard threads, 65
Tap, for British Associ-
ation screw threads, 68
Tap, for S. A. E. stand-
ard threads, 64
Tap, for United States
standard threads, 66
Tap, for V threads, 70
Tap, for Whitworth
standard threads, 67
Testing twist, 53
Driving lathe work, 82
Lathe work on centers,
|