Page 367 - Making things move_ DIY mechanisms for inventors, hobbyists, and artists
P. 367
344 Making Things Move
making things move ecosystem, mechanisms. See also machines basic DC, 144–145
256–257 and mechanisms Basic DC Motor Control
Marlin P. Jones & Associates, hand-powered, 117–120 project, 145–146
variable benchtop supply, levers as machines with Breadboard A Circuit
105–106 single, 3 project, 150–152
Masonite, 44 machines vs., 2 Control Speed using
mass, force and, 2 medium-density fiberboard Hardware PWM project,
match drilling, 209 (MDF), 44 158–162
material types memory effect, NiCads, 109 Control Speed using
biomaterials, 47 metal inert gas (MIG) Software PWM project,
ceramics, 42 welding, 70 163–168
composites, 44–47 metal rulers, 46 Control Standard Hobby
metals, 38–42 metal shims, 207 Servos project, 170–173
polymers (plastics), 42–44 metals hobby servos, 169–170
semiconductors, 47 aluminum, 40–41 linear, 180–184
materials analog fabrication Motor About-Face project,
failure of, 35–36 using, 273 153–156
properties of, 34 conducting electrical overview of, 144
references, 49 power, 98 Solder a Circuit project,
for screws, 62 copper, 41–42 146–149
tolerances and, 36–38 creating holes for bearings speed control with PWM,
maximum efficiency, of standard in, 200–201 156–157
DC motors, 131 cutting thin, 271 stepper, 173–180
Maya modeling tool, 261 drilling into, 267–268 motorless motion, 184–186
McMaster-Carr website drilling pilot hole for motors
aluminum alloy types, 41 screws in, 55 AC, 139–141
finding lubricants and places to look for, 38–39 coupling, 204–210
grease, 84 silver, 42 creating rotating tabletop,
finding plastic, 44 steel, 39–40 285–286
finding right size pilot hole welding, 70–71 DC. See DC motors
for screws, 55 microfarads (μF), 113 DIY Motor with Magnet
finding steel, 39–40 MIG (metal inert gas) Wire project, 124–127
overview of, 37 welding, 70 hobby servo. See hobby
MDF (medium-density miles per hour (mph), velocity servos
fiberboard), 44 as, 14 how they work, 124
Measuring Motor Torque project, milliamps × hours (mAH), 100 linear actuators, 142–143
91–93 milling machines, 201, 273 motorless motion,
mechanical advantage minimum constraint design 184–186
of closed pulley systems, concept of, 22 overview of, 124
10–11 degrees of freedom and, references, 187
of inclined planes, 15–16 23–24 rotary actuators, 127–128
of levers, 5–6 overview of, 24–25 rotary selenoids, 141
of open pulley systems, using clearance in SADbot project. See
11–13 appropriately for, 83 SADbot project
of power screws, 229 miter gears, 20–21 stepper. See stepper
of screws, 16–17 mobile projects. See batteries motors
of worm gears, 20–21 molding, 272 in Wind Lantern
mechanical options, force, 89 moment, 74 project, 300
mechanical power, 96–97 moment arm, 74 mounted bearings (pillow blocks)
mechanical toys motion conversion in Not Lazy Susan
Agreeable Sheep mechanisms, 238–239 project, 284
automaton project, options, 246–249 working with, 200, 202
253–254 Motor About-Face project, mounting flanges, 206
and automatons, 250–252 153–156 Mouser Electronics, 114
mechanical work, changes in motor control MouseTrap-Powered Car project,
energy due to, 96 advanced DC, 162–169 119–121