THIẾT KẾ MÁY PHAY CNC TỰ CHẾ KÍCH THƯỚC LỚN
NỘI DUNG ĐỒ ÁN
■About the Authors.................................................................................................................. x
■About the Technical Reviewers............................................................................................ xi
■Acknowledgments ............................................................................................................... xii
■Introduction..........................................................................................................................xiii
LINK MUA SÁCH THAM KHẢO GIÁ SO VỚI GIÁ CỦA DOANTOTNGHIEP.VN
http://www.amazon.com/Build-Your-Machine-Technology-Action/dp/1430224894/ref=sr_1_1?ie=UTF8&s=books&qid=1257047056&sr=8-1
■Chapter 1: Your CNC Machine ............................................................................................. 1
■Chapter 2: Hardware and Tools .......................................................................................... 5
■Chapter 3: Tips and Advice ............................................................................................... 13
■Chapter 4: Movement Using Rails .................................................................................... 23
■Chapter 5: Joining Methods .............................................................................................. 35
■Chapter 6: The Electronics ................................................................................................ 49
■Chapter 7: X-Axis, Part 1 ................................................................................................... 73
■Chapter 8: X-Axis, Part 2 ................................................................................................... 81
■Chapter 9: X-Axis, Part 3 ................................................................................................... 91
■Chapter 10: Y-Axis, Part 1................................................................................................. 99
■Chapter 11: Y-Axis, Part 2............................................................................................... 109
■Chapter 12: Y-Axis, Part 3............................................................................................... 121
■Chapter 13: Preparing for the Z-Axis ............................................................................. 135
■Chapter 14: Z-Axis, Part 1 ............................................................................................... 149
■Chapter 15: Z-Axis, Part 2 ............................................................................................... 159
■Chapter 16: Z-Axis, Part 3 ............................................................................................... 167
■Chapter 17: Mounting the Electronics ........................................................................... 183
■Chapter 18: Software and Testing.................................................................................. 197
■Chapter 19: Where to Go from Here ............................................................................... 209
■Index .................................................................................................................................. 217
Authors.................................................................................................................. x
■About the Technical Reviewers............................................................................................ xi
■Acknowledgments ............................................................................................................... xii
■Introduction..........................................................................................................................xiii
■Chapter 1: Your CNC Machine.............................................................................................. 1
What is CNC? .............................................................................................................................. 1
Industrial Uses ................................................................................................................... 2
Personal Uses .................................................................................................................... 2
Your DIY CNC Machine ................................................................................................................ 3
What’s Next?............................................................................................................................... 4
■Chapter 2: Hardware and Tools ........................................................................................... 5
The Tools .................................................................................................................................... 5
The Electronics Vendors ............................................................................................................ 12
What’s Next?............................................................................................................................. 12
■Chapter 3: Tips and Advice ................................................................................................ 13
Cut Once ................................................................................................................................... 13
Protect Yourself......................................................................................................................... 14
Protect Your Lungs .................................................................................................................... 15
Label Parts................................................................................................................................ 16
MDF Sheets and Sizes............................................................................................................... 17
Limit Your Cuts.......................................................................................................................... 18
Time Your Cuts.......................................................................................................................... 20
Encouragement ......................................................................................................................... 20
What’s Next?............................................................................................................................. 21
■Chapter 4: Movement Using Rails .................................................................................... 23
Bearing-Rail Assembly .............................................................................................................. 23
Riding the Rail........................................................................................................................... 32
Tips and Advice......................................................................................................................... 33
What’s Next?............................................................................................................................. 33
■Chapter 5: Joining Methods............................................................................................... 35
Two Pieces of MDF ................................................................................................................... 35
Method 1: Cross Dowels............................................................................................................ 38
Method 2: Bolt, Washer, and Nut ............................................................................................... 43
Which Method Is Best?.............................................................................................................. 44
Building a Jig to Drill ................................................................................................................. 45
What’s Next?............................................................................................................................. 47
■Chapter 6: The Electronics ................................................................................................. 49
The Required Components ........................................................................................................ 49
Preparing the Stepper Motor Wires ............................................................................................ 53
Preparing the Power Supply ...................................................................................................... 56
Preparing the Breakout Board.................................................................................................... 59
Providing Power to the Stepper Motor Drivers............................................................................ 62
Wiring Motor Drivers to the Breakout Board............................................................................... 64
Connecting Power to Motor Drivers ........................................................................................... 65
Connecting Stepper Motors to Motor Drivers ............................................................................. 67
Wiring the Cooling Fan .............................................................................................................. 69
Testing the Electronics .............................................................................................................. 70
What’s Next?............................................................................................................................. 71
■Chapter 7: X-Axis, Part 1.................................................................................................... 73
The X-Axis MDF Parts................................................................................................................ 73
The X-Axis Table ....................................................................................................................... 74
Cutting Rails for Tabletop Sides................................................................................................. 79
Summary of Work ..................................................................................................................... 80
What’s Next?............................................................................................................................. 80
■Chapter 8: X-Axis, Part 2.................................................................................................... 81
Drilling the Table ....................................................................................................................... 81
Drilling Holes for Legs ............................................................................................................... 85
Cutting the Table Ends .............................................................................................................. 86
Summary of Work ..................................................................................................................... 90
Hardware Required ................................................................................................................... 90
What’s Next?............................................................................................................................. 90
■Chapter 9: X-Axis, Part 3.................................................................................................... 91
Drilling the Table Ends (Legs) .................................................................................................... 91
Drilling and Mounting the Rail ................................................................................................... 95
Attaching the Table Legs ........................................................................................................... 96
Cutting the X-Axis Lead Screw .................................................................................................. 97
Summary of Work ..................................................................................................................... 98
Hardware Required ................................................................................................................... 98
What’s Next?............................................................................................................................. 98
■Chapter 10: Y-Axis, Part 1.................................................................................................. 99
The Y-Axis MDF Parts................................................................................................................ 99
Parts Q and R: The Y-Axis Gantry Sides.......................................................................... 100
Building BRAs for Gantry Sides....................................................................................... 105
Summary of Work ................................................................................................................... 108
Hardware Required ................................................................................................................. 108
What’s Next?........................................................................................................................... 108
■Chapter 11: Y-Axis, Part 2................................................................................................ 109
The Y-Axis MDF Parts.............................................................................................................. 109
Attaching BRAs and Gantry Sides ............................................................................................ 110
Part P: The Y-Axis Gantry Bottom Support ............................................................................... 114
Summary of Work ................................................................................................................... 119
Hardware Required ................................................................................................................. 120
What’s Next?........................................................................................................................... 120
■Chapter 12: Y-Axis, Part 3................................................................................................ 121
The Y-Axis MDF Parts.............................................................................................................. 121
The Rail Support...................................................................................................................... 122
Finishing the Y-Axis Frame ...................................................................................................... 128
Tips on Final Frame Assembly ................................................................................................. 132
Summary of Work ................................................................................................................... 132
Hardware Required ................................................................................................................. 132
What’s Next?........................................................................................................................... 133
■Chapter 13: Preparing for the Z-Axis ............................................................................. 135
The Y-Axis BRA Supports ........................................................................................................ 135
Cutting and Drilling Parts C and D ........................................................................................... 136
Measuring for the Z-Axis ......................................................................................................... 144
Summary of Work ................................................................................................................... 146
Hardware Required ................................................................................................................. 147
What’s Next?........................................................................................................................... 147
■Chapter 14: Z-Axis, Part 1................................................................................................ 149
The Z-Axis MDF Parts.............................................................................................................. 149
Part F: The Z-Axis Rail Support ................................................................................................ 150
Parts W and X: The Z-Axis Bearing Supports ........................................................................... 154
Z-Axis Bearing-Rail Assemblies............................................................................................... 155
Summary of Work ................................................................................................................... 157
Hardware Required ................................................................................................................. 157
What’s Next?........................................................................................................................... 157
■Chapter 15: Z-Axis, Part 2................................................................................................ 159
Preparing to Drill ..................................................................................................................... 159
Drilling Part F: The Z-Axis Rail Support .................................................................................... 159
Drilling Parts W and X: The Z-Axis Bearing Supports................................................................ 161
Mounting the Z-Axis Bearing-Rail Assemblies.......................................................................... 164
Summary of Work ................................................................................................................... 166
Hardware Required ................................................................................................................. 166
What’s Next?........................................................................................................................... 166
■Chapter 16: Z-Axis, Part 3................................................................................................ 167
Cutting the Z-Axis Rail Support Rails ....................................................................................... 167
Cutting and Drilling Parts M and N ................................................................................. 169
Cutting and Drilling Part V .............................................................................................. 173
Assembling the Z-Axis............................................................................................................. 174
Attaching the Z-Axis to the Machine ........................................................................................ 176
Summary of Work ................................................................................................................... 181
Hardware Required ................................................................................................................. 181
What’s Next?........................................................................................................................... 181
■Chapter 17: Mounting the Electronics ............................................................................ 183
Cutting and Drilling the Motor Mounts ..................................................................................... 183
Mounting Your Router.............................................................................................................. 191
Summary of Work ................................................................................................................... 194
Hardware Required ................................................................................................................. 195
What’s Next?........................................................................................................................... 195
■Chapter 18: Software and Testing................................................................................... 197
CAD, CAM, and Control Software ............................................................................................. 197
The Mach3 Control Software ................................................................................................... 197
Downloading and Installing Mach3 .......................................................................................... 198
Configuring Mach3 .................................................................................................................. 200
Ports and Pins................................................................................................................ 200
Motor Outputs................................................................................................................ 201
Input Signals.................................................................................................................. 201
Motor Tuning and Setup................................................................................................. 202
Configuring the Default Motor Units ............................................................................... 203
Testing Your Machine.............................................................................................................. 203
Testing the Router................................................................................................................... 206
School Starts........................................................................................................................... 207
What’s Next?........................................................................................................................... 208
■Chapter 19: Where to Go from Here ................................................................................ 209
Getting Familiar with CAD........................................................................................................ 209
Getting Familiar with CAM ....................................................................................................... 210
Installing an Emergency Stop .................................................................................................. 210
Adding Limit Switches............................................................................................................. 213
Adding a Solid State Relay....................................................................................................... 214
Protecting and Painting Your Machine ..................................................................................... 215
What’s Next?........................................................................................................................... 215
■Index ................................................................................................................................... 217
