Page 362 - Making things move_ DIY mechanisms for inventors, hobbyists, and artists
P. 362
Index 339
Make Your Own Gears attaching to motor shaft, working with hobby
project, 215–223 205–206 servos, 203–204
center punch, 267 scavenging from consumer working with other types
ceramic products, 238 of motors, 204
capacitors, 112–113 composites cranks
as material type, 42 foam core, 47 bell, 249
CFL (compact fluorescent light) overview of, 44 overview of, 239
bulbs, 103 paper and cardboard, 46 creation stage
chains, and sprockets, 228–229 wood, 44–46 analog, 257–258
chamfer, 57 compound gears, 225–226 digital, 258–262
charge controllers compressed gases, 115 making things move
for capacitors, 114 compression springs, 118, ecosystem and,
in SADbot project, 231–232 256–257
316–317 compressive strength, 35 overview of, 257
circuit computer-aided design (CAD) Creative Commons (CC) licenses,
defined, 101 programs, 258–262 277–278
in Not Lazy Susan project, computer numerically controlled crowbar, as first class lever, 6
288–293 (CNC) routers, 274–275 CupCake CNC, 111
in Wind Lantern project, computer power supplies, current drain, standard hobby
303–305 110–111 servo motors, 136
circular pitch (p), spur gears conductivity current (I)
defined, 213 of aluminum, 41 measuring electric power
gear equations, 214 of copper, 41 in watts, 103
Make Your Own Gears of silver, 42 Ohm’s law and, 103
project, 215–223 constant-force spring, 236 overview of, 99–100
clamp hubs, 206 continuous rotation hobby voltage varying with load
clamps servos, 136, 173 and, 106
creating rigid shaft Control Speed using Hardware cutting
couplers using, 208 PWM project, 158–162 in analog fabrication,
Not Lazy Susan project, Control Speed using Software 271–272
282–283 PWM project, 163–168 cardboard or paper with
classes of levers. See levers coordinate system of axes and mat, 46
cleanup, in digital planes, 23–24 safely, 272
translation, 266 copper cycle, cam, 241
clearance between parts, 83–85 in bio-batteries, 116–117 cylindrical cams, 242
clearance holes brazing, 71
in Not Lazy Susan overview of, 41–42
project, 283 in sterling silver, 42 D
overview of, 54–55 copyrights, 277
screw sizes and, 55–56 Cos (angle), estimating D-shaped motor shafts, 204–205
close fit, screws, 54 torque, 76 DaVinci, Leonardo, 250–251
closed pulley systems, 9–11 counterbore drill bits, 60, DC (direct current)
clutches, 210–211 200–201 defined, 100
CNC (computer numerically countersink drill bits, 60 power converters, 111
controlled) routers, 274–275 couplers turning AC power into,
coefficient of friction (μ) attaching components to 110–111
assuming, 78–79 motor shafts, 205–207 DC gearhead motors
estimating, 80–81 attaching gears and other attaching components to
Estimating Coefficient of components to shafts, motor shaft, 205–206
Friction project, 81–83 209–210 Basic DC Motor Control
measuring, 79–80 attaching motor shaft to project, 145–146
combination bushings, 199 another shaft, 207–209 couplers for, 204
compact fluorescent light (CFL) defining, 203 with flatted shaft, 205
bulbs, 103 increasing shaft size, 207 overview of, 131–133
Compleat Sculptor, 272 using D-shaped or flatted standard hobby servo
components motor shafts, 204–205 motors similar to, 134