Page 317 - CNC Robotics
P. 317
CNC Robotics
lath e, 286-292, 287
lathecore3.plt file, 28 7-291
limit switch
installation, 206-21 4, 207 , 208
interface board to computer. 19-2 1, 20
lineal motion . 4-8
bea rings in, 8
guide rails in. 7. 7. 8
suppliers of mat erial for, 296 -300
TV gli de tray assembly in, 8
Iinetest.plt file, 228-230, 230
linetest2.plt file in, 231 -232, 233
load current regulation. motor, 53-54. 54
losses. motors, 68
M code, II , 220-222
machin e setup file. Ke arn. 258
Mas ter Craft rotary tool engraving, 274-277 . 274- 277
materials, sources, 29 3-301
MDF as table board, 257, 258
mechanical engraving tool, engravings. 268- 271, 268-2 71
Me tal Supermarkets, 300
metal , suppliers of, 300
motor mounts, 190, 190 , 191 , 19 2
motors, 2- 4 , 3, 14
back EMF and, 73-74
bipolar, 48, 59, 64
cable connection s to, 130- 131, 130 , 131
chopper contro l fo r, 54- 57, 54, 55, 56, 65, 66 -67, 67, 70- 73, 71
controllers for, ST M icroelectronics manua l on (Seea/so L297; L298). 22-75
drive top ology select ion for, 64-6 5, 64
dri ver for, 9, 15- 19, 17
flexi ble shaft coupling for, 198, 198
half step drive, 49, 52, 52
installation of. 189-214
interface board to comp uter and. 13- 15. 13
L297 step per motor co ntroller Ie for (See also L2971, I S, 18- 19, 22-75,
22, 23
L298 H bridge IC (See also L298), IS, 18- 19, 33-75, 33
lead screw centering and mounting. 193- 196. 193-196. 197
limit sw itch installa tion for, 206- 21 4, 207. 208
load current regulation in, 53-54 , 54
losses in, 68
minim um current in. 68, 69
mounts for. 190. 190. 191. 192
noise and, 70-73, 71. 72, 73
peak detect current in, 68. 69
phase sequence generation in, SO-53. 51. 52. 53
power dissipation in bridge Ie in. 68. 71
308