Tài liệu CAD/CAM/CNC

Build Your Own
CNC Machine

Build Your Own CNC Machine
■About the Authors …………………………………………………………………………………………………… x
■About the Technical Reviewers ……………………………………………………………………………….. xi
■Acknowledgments ………………………………………………………………………………………………… xii
■Introduction ………………………………………………………………………………………………………….. xiii
■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

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CNC Robotics
Build Your Own
Workshop Bot

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 In terface 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
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 Materia l 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: Insta ll ing 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 Materia l 189
X-axis 190
Y-axls 199
Z-axis 203
Lim it Switc h Install at ion 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
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

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How to make injection mold

  • Chapter 1 : Materials for injection molds
  • Chapter 2 : Mold making techniques
  • Chapter 3 : Procedure for estimating mold cost
  • Chapter 4 : The injection molding process
  • Chapter 5 : Design of runner systems
  • Chapter 6 : Design of gates
  • Chapter 7 : Venting of molds
  • Chapter 8 : The heating exchange system
  • Chapter 9 : Shrinkage
  • Chapter 10 : Mechanical design of injection mold
  • Chapter 11 : Shifting of cores
  • Chapter 12 : Enjection
  • Chapter 13 : Alignment and changing of molds
  • Chapter 14 : Computer-Aided mold design and the Use of CAD in Mold construction
  • Chapter 15 : Maintenance of injection molds
  • Chapter 16 : Measuring in injection molds
  • Chapter 17 : Mold standard
  • Chapter 18 : Temperature controllers for injeciton and compression molds
  • Chapter 19 : Steps for correction of molding defects during injection molding
  • Chapter 20 : Special processes – Special molds

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Selecting Injection Molds

Chapter 1 : Introduction and planing

Chapter 2 : The Plastic Product

Chapter 3 : Cost factors affecting the productivity

Chapter 4 : Mold selection

Chapter 5 : Mold cost, mold price and delivery

Chapter 6 : Warranties, patents and ethical considerations

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Gastrow Injection Molds

The DIN IS0 standard 12165, “Components for
Compression, Injection, and Compression-Injection
Molds” classifies molds on the basis of the following
criteria:

  • standard molds (two-plate molds)
  • split-cavity molds (split-follower molds)
  • stripper plate molds
  • three-plate molds
  • stack molds
  • hot runner molds

Generally, injection molds are used for processing

  • thermoplastics
  •  thermosets
  • elastomers

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Complete Part Design Handbook

  • Chapter 1 : Polymetric Materials
  • Chapter 2 : Engineering Product Design
  • Chapter 3 : Structural Design for Thermoplastics
  • Chapter 4 : Thermoplastic Gearing Design
  • Chapter 5 : Plastic Journal Bearing Design
  • Chapter 6 : Thermoplastic Molded Spring Design
  • Chapter 7 : Pressure Vessel Design
  • Chapter 8 : Thermoolastic Assembly Methods
  • Chapter 9 : Thermoplastic Effects on Product Design
  • Chapter 10 : Injection Mold Design
  • Chapter 11 : Performance Testing of Thermoplastics
  • Chapter 12 : Thermoplastic Product Cost Analysis

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Secrets of 5 Axis Machining

  • Chapter 1 : History of 5 Axis Machines
  • Chapter 2 : Know your machine
  • Chapter 3 : Cutting strategies
  • Chapter 4 : Index multiaxis toolpaths
  • Chapter 5 : Simultaneous multiaxis toolpath
  • Chapter 6 : Common simultaneous multiaxis CAM toolpath controls
  • Chapter 7 : Machine simulation
  • Chapter 8 : Select the right machine for your application
  • Chapter 9 : Choosing a CAD/CAM system for your application
  • Chapter 10 : Putting it all together

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Machinery’s Handbook

Table of Contents

  • Mathematics
  • Mechanics and Strength of Materials
  • Properties, Treatment, and Testing of Materials
  • Dimensioning, Gaging, and Measuring
  • Tooling and Toolmaking
  • Machining Operations
  • Manufacturing Processes
  • Fasteners
  • Threads and Threading
  • Gears, Splines, and Cams
  • Machine Elements
  • Measuring Units
  • Index
  • Index of Standards
  • Index of Interactive Equations
  • Index of Materials

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Manual of enigneering drawing

 

Contents
Preface vii
Acknowledgements ix
1 Drawing office management and organization 1
2 Product development and computer aided design 7
3 CAD organization and applications 13
4 Principles of first and third angle orthographic projection 33
5 Linework and lettering 45
6 Three dimensional illustrations using isometric and oblique projection 50
7 Drawing layouts and simplified methods 54
8 Sections and sectional views 64
9 Geometrical constructions and tangency 68
10 Loci applications 73
11 True lengths and auxiliary views 82
12 Conic sections and interpenetration of solids 87
13 Development of patterns from sheet materials 93
14 Dimensioning principles 100
15 Screw threads and conventional representations 114
16 Nuts, bolts, screws and washers 120
17 Keys and keyways 134
18 Worked examples in machine drawing 137
19 Limits and fits 153
20 Geometrical tolerancing and datums 160
21 Application of geometrical tolerances 168
22 Maximum material and least material principles 179
23 Positional tolerancing 186
24 Cams and gears 190
25 Springs 202
26 Welding and welding symbols 210
27 Engineering diagrams 214
28 Bearings and applied technology 249
29 Engineering adhesives 264
30 Related standards 272
31 Production drawings 282
32 Drawing solutions 291
Index 297

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