كتاب CNC Robotics - Build Your Own Workshop Bot
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منتدى هندسة الإنتاج والتصميم الميكانيكى
بسم الله الرحمن الرحيم

أهلا وسهلاً بك زائرنا الكريم
نتمنى أن تقضوا معنا أفضل الأوقات
وتسعدونا بالأراء والمساهمات
إذا كنت أحد أعضائنا يرجى تسجيل الدخول
أو وإذا كانت هذة زيارتك الأولى للمنتدى فنتشرف بإنضمامك لأسرتنا
وهذا شرح لطريقة التسجيل فى المنتدى بالفيديو :
http://www.eng2010.yoo7.com/t5785-topic
وشرح لطريقة التنزيل من المنتدى بالفيديو:
http://www.eng2010.yoo7.com/t2065-topic
إذا واجهتك مشاكل فى التسجيل أو تفعيل حسابك
وإذا نسيت بيانات الدخول للمنتدى
يرجى مراسلتنا على البريد الإلكترونى التالى :

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 كتاب CNC Robotics - Build Your Own Workshop Bot

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تاريخ التسجيل : 01/07/2009
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كتاب CNC Robotics - Build Your Own Workshop Bot  Empty
مُساهمةموضوع: كتاب CNC Robotics - Build Your Own Workshop Bot    كتاب CNC Robotics - Build Your Own Workshop Bot  Emptyالإثنين 13 سبتمبر 2021, 11:40 pm

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أحضرت لكم كتاب
CNC Robotics
Build Your Own Workshop Bot
Geoff Williams

كتاب CNC Robotics - Build Your Own Workshop Bot  C_n_c_38
و المحتوى كما يلي :


Contents
1 Design 1
Why Build My Own I
Gantry Style 2
Motors 2
Lineal Motion 4
Motor Drivers 9
Acme Screw 9
Deciding on the Dimensions of the Machine 9
Software 10
2 Electronics 13
Stepper Motor Driver and Computer Interface Boards 13
Stepper Motor Driver Circuit 15
The Interface Board 19
3 Making the Printed Circuit Board 77
Tools and Material 77
Artwork 78
Board Cutting and Cleaning 82
Toner Transfer 85
Etching 93
4 Driver Assembly 99
The Interface Board III
vGNG Robotics
5 Softwa re Setup and Driver Testing 113
Material Needed 113
Creat ing Test Files 121
Triangle Test 122
Circle Test 123
Putting the Elect ronics in a Case 124
6 The Frame 133
Tools and Ma terial 133
Bolting 138
Assemb ly 141
Bearing Ra il Support Bolt Holes 144
Paint the Frame 151
7 The Gantry and X-axis 1 53
The Gantry 153
The X-axis: Installing the Gantry Bearing Guide Rail 160
Beari ng Holder 164
8 The Z and Y Axes 175
The Z-Axis 175
The Y-Axls 184
9 Motor and Lead Screw Insta llat ion 189
Tools and Ma teria l 189
X-axis 190
Y-axls 199
Z-axis 203
Limit Switc h Install ation 206
X -axis Limi ts 208
Y-axis Limi ts 209
Z-axis Limits 211
10 File Creation and KCam 215
KCam CNC Control ler Software 215
KCam File Requirements 219
How to Create a File to Import 222
CorelDraw 223
ACME Profile r 239
viContents
11 Tool Holders and Testing 245
Tool Holders 245
Penholder Tool 246
Router/Dremel Holder 252
Testing the CNC Machine 257
12 Examples 263
Plotter 263
Mechanical Engraving Tool 268
Dremel Tool 271
Ma ster Craft Rotar y Tool 274
Router 278
Sources of Material 293
Electronic Components 293
L297 /L298 Integrated Circuits 293
CANADA 293
United States, California 294
Lineal Motion 296
Distributor 296
Manufacturers 29 7
Stepper Motors 300
Metal 301
Index 303
1Index
Note: Boldface numbers indicate illustrations.
ACME Profiler, 239 -243 , 240-242
acme screw, 9
Arrow Corporation, 292, 293
AutoCad, 12
AVNET Corpo ration, 293, 294
back EMF, in motors, 73-74
bearing guide rails
bearing holder in, 164- 173, 165-17 3
boll ho les in, 144- 150, 144- 150
X axis, 160- 164, 161- 164
Z axi s fit and, 182, 182
beari ngs. lineal motion. 8
bipo iar motors, 48, 59, 64
Bishop- W isecarver Corporation. 296
bo lti ng the fra me together, 138- 140, 138 - 141
cabinetry, 281 -292
Canad ian Beari ngs Ltd" 295
capacitor installation in driver, 109-110, 110
case enclosure for electronics. 124-1 32, 125. 132
changing bi t size, 236, 237
chopper co ntro l and ci rcuit, 54- 5 7, 54 , 55, 56, 65, 66-67, 67
ci rcl e test fil e, 123- 124, 124
cleaning steel, 137, 137 , 138
cl eaning the pr inted circuit board , 82-84 , 83, 84
cl ock pulse do ub ler, L297, 59
303304
CNC Robotics
CNC controls setting, 11 7, 11 7, 120, 120 ,218-219, 218, 219
computer connection
driver and interface board, 118-120, 118, 119
interface board between motors and. 13-15 . 13
interface board to limit switches. 19- 21. 20
continuity checking . 107
contro ller software, Ke arn, 215-2 19
controllers. motor, ST M icroelectronics manual on (Seealso L297; L298). 22-75
CorelD raw, I I, 12, 223 -239 , 223
exporting fil es to KCam fro m, 226, 22 6, 227, 22 8
KCam use of, 224, 225, 226
layout options for, page size, shape . etc., 224, 225
offsetting G code to center the project, 238, 238, 239
texttes t.plt file in, 233, 234 , 234
vector grap hics V5. raster graphics in, 238-239
cost of CNC machines. 1- 2
cutting depth settings, 258
cutting steel , t 36, 136
cutting the printed circuit board. 82-84. 83 . 84
Data Exchange File ISee also DXF files) , 223
design, 1- 12
acme screw in. 9
dimensions in. 9- 10
front view, JJ
ganl ry sty le in, 2
lineal motion in, 4-8
motor drivers, 9
motors for. 2-4 , 3
side view, 10
software selection. 10-1 2
dimensions of machine, 9- 10
doo rs, 281- 282, 281, 28 2
dovetail jo ints, 283-286, 283, 284, 28 5, 286
Oremel tool
engraving with, 271- 274, 271-2 73
holder for, 252- 257 , 252-2 5 7
dr illing holes in PCB, 100-101 , 100, 101, 10 2
drills, 100, 100
driver, motor, 9. 15- 19. 17. 99- 112
bottom ar tw or k for, 79-80, 79
cables for, 128, 129
capacitor installation in. 109-110, 110
component placement and installation in. 104-108 , 105, 106
continuity checking in. 107
dr illing holes in , 100-1 01, 100, 101 , 102
finished product, 112
headers for, 108- J09, 109
heat sink for, III, IIIIndex
driver, motor (continued)
interface board connection to. 11 8- 120, 118, 119
interfa ce board for, 111 - 112, 112
L298 ins talla tion in, 109, 109
leads in, 108
materials and tools for, 99 . 100
mo therboa rd mounting of, 126, 126
power supply for, 11 8
soldering in, 101, 103, 103
static electricity protection in, 104, 104
testing, 113- 132
top of driver boa rd, 80, 80
w iri ng , 110- 111, III
DXF file s, 12, 219, 22 2-22 3
electronics, 13-75
case enclosure for, 124- 132, 125, 13 2
interface bo ard, 19- 21 , 20
interface boards, stepper motor driver and computer. 13- 15, 13
source s, 29 3-296
stepper motor driver circuit. 15-19 . 17
engravlng
Drcmel tool for, 271 -2 74, 271-2 73
engra ving tool fo r, 268- 271, 268 - 27 1
Mas ter Craf t rotary tool for, 274-277, 274-277
etch ing process in PCB, 93-97, 93, 95, 96
Exellon fil es, 219
fan, 125, 128- 129
file format s, in programming, 12
frame, 133- 151
assembly of, 141 -144, 141, 142, 143
bearing rail support bolt ho les in , 144-150, t 44-1 50
bolting together, 138- 140, 138- 14 1
clean ing, 137, 137, 138
cutt ing steel for, 136, 136
dimensions of. 133- 134, 134
pa in tin g, 151
squa rin g and levelin g of, 141 -i 44, 141
tools and materia ls for, 122- 125
we ldi ng together, 143- 144, 143
front view of CNC machine, II
Future Electronics. 293, 294
G code , i i, 219
ga nt ry, 2, 153-160, 154
bear ing ho lde r in , 164- 173, t 65 -1 73
bol t ho le locations in, 157 - 158, 158, 159
mounting and access hol es on uprigh ts, 156, 156, 157
305306
CNC Rob otic s
gant ry (continued)
spanning beams for. 155-1 56. 155. 156
tools and materials for, 153
upr ights and feet for. 155. 155. 159-1 60. 159 . 160
X ax is in . 160- 164. 161-164
Gerber fil es. 219
glass etching. 266- 26 7. 266. 267
guide rail s. 7. 7. 8
half- step sequence, in motor, 52, 52
heat sink for driver. 111, III
Hew lett Packard Graphics Language (Sec also HPGL files) . 222
HPGL files. 12. 21 9. 222- 223
import file creation for Ke arn, 222-223
INA Inc.• 296
in terface board. 19- 21 . 20
artwork for, 80, 8 1
cables for. 128. 129
driver board connection to. 118-120, 11 8, 11 9
motherboard mounting of. 127. 127
stepper motor driver and computer. 13- 15. 13
joints. cabinetry. 283-286. 283. 284. 285 . 286
KCam and programm ing . 11- 12. 12. 13
ACME Profil er and . 239-243. 240-242
AutoCad in, 12
changing bit size and . 23 6. 23 7
CNC con trol selling in. 218-2 19. 218. 219
CNC Controller softw are for. 215- 219
converting text to curves in. 23 7, 237
CorelDra w and. II. 12. 223-239 . 223
cutting depth settings in, 258
downloading cop y of. 11 3- 11 4
file formats in . 12.219- 222
G code and com mands fo r. 11 . 21 9- 221
impo rt file creati on for, 222 - 223
insta llat ion of. II 3. 215
lathecorej .plt fil e. 28 7- 291
li netest. plt file in. 228 -230. 230
Iinetest2 .plt fil e in . 231 - 232. 233
M code and commands for, II, 220-222
machine setup file for. 258
offsetting G cod e to center the project. 238. 238. 239
openi ng. 21 5
port assignment in, 216, 217
shapes.plt file for. 261-262. 26 1. 262
software selectio n, 10-1 2Index
Kearn and programming (continued)
system timing in , 217, 217
Table Setup w indow in, 215, 216
testtexl.plt file for, 260, 260, 26 1
textt est.plt file in , 233, 234, 234
tool size setting in, 234, 235, 236
user defined M codes for, 222
KellyWare (See also KCam), 113
L297 stepper motor con troller, IS , 18- 19,22- 75,22, 23 ,46
a version of (L297A), 57-58, 58
advantages of, 46-47
applicalion for, 29
bipolar steppe r motor and, 59
block diagra m of, 23
circuit operation in, 2S
clock pulse doubler In, 59
DIP packa ge mechanical data for, 30- 31, 30, 31
electrical characteristics of, 27- 28, 28
half step mod e in, 26, 26
L293E vs. 47
normal drive mode in, 26. 26
phase sequence in. 26
pin connections for. 23 , 62
pin function chart for. 24- 25
pin functions for, 61
sources for, 29 2
synchroni zation in. 29
unipolar motors and , 59
wave drive mode in. 27, 2 7
L298 H br idge IC, I S, 18-19, 33- 75, 33
application informat ion in. 39
bidirectional control in. 38 . 40
block diagram of , 33
dimension data for. 42, 4 2
electrical cha racteristics of, 35 -36
installing in driver, 109. 109
ma xim um rat ings tor, 34
muiti watt ISH, 43, 43
multiwatt 15V, 42, 42
PCB layout for, 4 1
pin connections for. 34
pin funct ions for, 35
PowerS020, 44, 44
satu ration voltage in, 36
sink current in, 38
sources for, 29 2
sw itching times in, 36, 3 7
thermal data on, 34
307308
CNC Robot ics
lath e, 286-292, 287
lathecore3.plt file, 28 7-291
limit switch
installa tion, 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 er ial 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, 25 7, 258
mechanical engraving tool, engravings. 268- 271, 268-2 71
Me tal Supermarkets, 300
metal , suppliers of, 300
motor mo unts, 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 , 13 1
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. 189-2 14
interface board to comp uter and. 13- 15. 13
L29 7 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, 20 7. 20 8
load current regulation in, 53-54 , 54
losses in, 68
minim um current in. 68 , 69
mounts for. 190. 190. 191. 19 2
noise and , 70-73 , 71. 72, 73
peak detect current in, 68. 69
phase sequence generation in, SO-53. 51. 5 2. 53
power dissipation in bridge Ie in. 68 . 71Index
motors (continued)
power supply for. 4. 15
problem s and soluti ons for. 64-75
ripple current in. 68
selection of, unipolar Y5. bipolar, 64
sources for used/ second-hand, 4
stepper motors, 4 8
stuck condition in. 74
suppliers for. 300- 301
tools and materia ls for installation of. 189
two pha se drive in . 49 . 52. 52
unipolar. 48. 50 . 60. 64. 66
variable reluctanc e, 50, SO
wa ve drive state sequence in, 53. 53
wind ing current in. 69, 70
w iring diagram for, S
X axis and. 190- 199. 193
X axis limit setting for. 208-209. 208. 209
Y axis and. 199- 203. 199-203
Y axis limit sett ing for. 209 -210. 210
Z axi s and. 203-206 . 20 4- 206
Z axi s li mit setting for. 211-2i 4. 211-214
Mo user Electron ics. 294
noise, in motors, 70-73, 71, 72, 73
NSK Inc.• 297
NU Horizons Electronics, 294
NuArc Model SST 1418 hori zontal camera. exploded view. 6, 7
Pacifi c Scient ific , i 3. 15.299
pain ting the frame. 151
peak detect current. in motors, 68, 69
pen holder, 246-252. 246- 252
phase sequence generation in motors, 50-53, 51, 52 . 53
Pioneer Standa rd. 293 . 295-296
plotter. 263-268, 26 4, 265
port assignment. 11 5. 116, 11 6. 118, 21 6.2 17
power supplies, 4, 15. 11 8, 129
connecting. 128, 128.
connector strips for. 127, 12 7
fan connection to, 128 -129
wi ring diagram for motors, S
Princess Auto, 13, 299
printed circuit board construction. 77- 97
aligning the artwork for, 85 , 85. 8 6
art work for, 78-82
bottom of driver board, 79-80. 79
cleani ng, 82-84
cutting, 82- 84
309310
CNC Robotics
printed circuit board construction (continued)
drilling holes in , 100- 101 , 100, 101, 102
etching process in, 93-9 7, 93, 94, 9 5, 96
interface board, 80 . 81
materials and too ls for, 77, 78
photo resist process in. 78
printing th e artwork for, 80-82
soldering in, 101, 103, 103
static electricity protection in, 104, 104
tinning in, 96. 9 7
toner transfer process in, 85-92 , 87 , 88, 89, 90, 91,92
top of driver board, 80, 80
printers, for PCB construction. 80-82
programming (See KCam and programming)
raster graphics, 238 - 239
read y rod, 9
Richardson Electro nics. 293. 295
ripple current. in motors. 68
rotar y tool eng raving (Master Craft), 274-2 77, 274- 277
route r
holder for, 252 -25 7, 252-25 7
routing with , 278 -292, 278-292
Sanyo Denki, 16, 300
shapes.pit file , 26 1- 262, 261, 262
side view of CNC machine. 10
sign makin g. 278-28 1, 278-280
SKF Inc., 298-2 99
software setup and driver testing. 10- 12, 113-13 2
case enclo sure for electronics and , 124- 132, 125, 132
circle test tile in, 123- 124, 124
CNC co ntrols sett ing in , 117, 117, 120, 120
Kea rn installat ion for. 11 3-11 4
materials nceded for. 113
port assignment in. 115. 11 6, 116. 11 8
Square-gc.txt test file for, 121, 122
steps setting System Timing window for, 114-1 15. J14. J15
test file creation in. 121- 122
triangle test file tor, 122- I 23, 123
solder ing, 101, 103, 103
sources of materials, 293-301
springs tor tool holders, 249 , 250
Square- gc.txt test file, 121, 122
stained glass w indow plotter, 263 - 268 , 264
static electricity protection, 104, 104
stepper motor (See motors)
steps sett ing (table setup) tor motor, 116- 117, 117
system timing, 114-115 , 114, 115, 217,217Index
Table Setup w indow, 215, 216
test tile creation. 121 - 122
testi ng the CNC machi ne, 25 7- 262
testtext.plt file, 260 , 260, 26 1
texttest.plt file, 23 3, 234 , 234
THK Inc., 298
Thompson Ind ustries, 299- 300
tinning th e PCB, 96 , 97
toner tran sfer process in PCB, 85- 92, 8 7. 88. 89, 90, 9\, 92
tool holders, 245- 285
Dremel tool holder. 252- 257, 252-257
pen holder, 246-252, 246-2 52
rou ter holder, 252- 257, 25 2-25 7
springs for, 249, 250
tool size setting in KCam, 234, 235, 236
tr ian gle test file, 122- 123, 123
TV glide tray assembly, li neal motion. 8, 175, 176
two - phase sequence, in motor, 52, 52
un ip olar motors, 48, 50, 60 , 64, 66
user defined M codes, 222
variable reluctance motors, 50, 50
vector grap hics , 238-239
wa ve drive state sequence, motor, 53 , 53
w elding th e frame together, 143- 144, 143
wi nding current, in motors, 69, 70
X axi s, 160-1 64, 161-1 64
limi t sett ing for, 208- 209, 20 8, 20 9
motor installation and, 190- 199. 193
Y axis, 184- 187, 185-1 8 7
limit sett ing for. 209- 210, 210
motor installation and, 199-203, 19 9-203
tools and materials for, 184 - 185
Z axis mounting holes for, 185, 185
Z axi s, 175-1 84, 176
acme screw location in. 181, 181
bearin g ho lde r fit and. 182, 182
centering and mounting, 182- 184, 183 , 184
li mit setting for, 211 - 214, 211 -214
motor installation and. 203- 206, 204- 206
tools and materials for, 175
TV gli de tray for, 175, 176
Y slide atta chment in, 177, 177 , 185, 18 5
z tool mounting surface for, 180 - 181 , 180, 18

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