Available Now!
Easy CNC
A Beginner’s Guide to CNC
by David Benson



  • Home

  • Order Info 

  •  Go Direct to Secure Order Form  

  • Contact Us

































  • Home

  • Order Info 

  •  Go Direct to Secure Order Form  

  • Contact Us

































  • Home

  • Order Info 

  •  Go Direct to Secure Order Form  

  • Contact Us

































  • Home

  • Order Info 

  •  Go Direct to Secure Order Form  

  • Contact Us

































  • Home

  • Order Info 

  •  Go Direct to Secure Order Form  

  • Contact Us

































  • Home

  • Order Info 

  •  Go Direct to Secure Order Form  

  • Contact Us





































  • Square 1 Electronics announces its new book by David Benson, “Easy CNC”, A Beginner’s Guide to CNC”   The complete table of contents follows:

    Please note: This book is available only from us or from select machine shop suppliers. It is not available in bookstores.

    This book was written by David Benson (8-1/2 x 11″, 200 pages, $34.95).




    EASY CNC

    Table of Contents


  • INTRODUCTION

    For experimenter (hobbyist) or student
    Overview of topics covered in book
    Examples are 3-axis but ….
    DIY, retrofitted, or factory-built machines

  • USING A COMPUTER

    The basics
    Copy or cut and paste
    Software use instructions
    Summary

  • CNC CONCEPTS

    Toolpath
    G-code
    Axes, origin, and coordinates
    Toolpath vs. cutter
    Which direction relative to what?
    Conventional vs. climb milling
    Methodology

  • SOFTWARE

    Overview
    CNC software
    Bit map draw programs
    Vector draw programs
    CAD programs
    Converters
    CAM
    G-code interpreters

  • CNC MACHINE OPERATION

    Generic CNC machine and G-code interpreter
    On-screen user interface
    Jogging
    Rapid Height
    Tool library
    Running G-code files
    E-Stop and Limit Switches

  • G-CODE

    G-code commands and concepts
    Rapid travel at maximum feed rate = jog
    Current feed rate
    Modal commands
    Interpolation
    Absolute coordinates
    Driving the tip of the tool
    Creating G-code using a text editor
    Firing up a G-code interpreter to execute a G-code file
    G-code examples
    Setting up for experiments
    Rapid travel at maximum feed rate = jog
    Linear interpolation
    Straight
    Right angle
    Diagonal
    Circular interpolation
    Circle, larger circle in XY plane
    Arc in XY plane
    Add Z axis
    Arc
    Circle
    Arc using “r” value
    Toolpath
    Cut and paste
    Programming style
    Instruction placement
    Comments
    More complex moves
    Upper/Lower case
    Use of tabs
    Line numbers
    G-code generated by CAM programs
    Complete command set

  • SCANNING AN IMAGE

    Creating a bit map file

  • CREATING DRAWINGS

    Basic concepts
    Pencil Sketch
    Draw programs
    Vector vs bit map
    CorelDraw Essentials
    CAD programs
    AutoSketch
    File formats
    Machining and woodworking
    Art
    Sign making
    Printed circuit boards

  • USING A BIT MAP DRAW PROGRAM

    CorelDRAW Essentials
    Tools
    Rectangle tool
    Delete – procedure
    Outline tool
    Fill tool
    Freehand tool
    Shape tool
    Text tool
    Zoom tool
    Moving the scales – procedure
    Kidney example
    Adots example

  • USING A BIT MAP IMAGE CONVERTER PROGRAM – BIT MAP TO G-CODE

    Image file to G-code for engraving
    Image manipulation
    How images are converted by DeskCNC
    Kidney – engrave using outline image
    Engraving – using DeskCNC G-code interpreter
    Kidney – engrave using filled image
    Kidney – contour using filled image
    Contouring – using DeskCNC G-code interpreter
    Kidney – pocket using filled image
    Pocketing – using DeskCNC G-code interpreter
    Adots examples
    Adots – engrave
    Adots – pocket the objects
    Adots – pocket around the objects
    Adots – carve

  • USING A CAD PROGRAM

    CAD concepts
    AutoSketch
    Getting started with AutoSketch
    Drawing size
    Origin
    Precision
    Grid settings
    Toolbar locations
    All-In-One toolbar simplified
    Snap modes toolbar simplified
    Snap modes
    Draw a straight line
    How to delete an entity
    Edit>Undo
    Line width
    Zoom tool
    Moving the scales – procedure
    Draw a rectangle
    Draw a circle
    Draw an arc
    Trim options
    Edge
    Round (or fillet)
    Bevel (or chamfer)
    Trimming by defining a channel (object trim)
    Offset and parallel entities
    Angles – polar coordinates snap
    Drawing off the grid
    Picking off coordinates using the Inquire tool
    Explode function
    DXF file format
    Examples
    Link
    Picking off link example coordinates
    Rotor
    Pulley
    Routing curves
    Vertex – based editing
    Summary

  • USING A CAM PROGRAM – DXF TO G-CODE

    DXF partial part drawing file to toolpaths and G-code
      using DeskCNC
    DeskCNC CAM features, definitions and use rules
    Definitions
    Rules and guidelines
    Direction
    Effect of direction on pocketing a single closed
    region
    Compensation for contouring operations
    Conventional vs. climb milling
    Tool size and X Y step over selections for
    pocketing operations
    Pocketing out to in vs. in to out
    Select>Select Single
    Two different directions – same part
    Combining chunks of code – apend
    Rules demonstration examples
    Open region such as a straight line or an arc
    One closed region such as a circle
    Two closed regions, one inside the other
    Three closed regions inside a fourth closed region
    Four closed regions – floating
    Three regions “concentric”
    Practical Examples
    Straight line
    Milling
    Plasma cutting
    Arc
    Circle
    Contour – follow line, cut outside, cut inside
    Pocket
    Rough only, integral number of passes
    Rough plus finishing pass
    Square – contour outside
    Single pass
    Rough plus finish pass
    Circle within a square – follow the lines
    Circle within a square – contour inside the circle and
       outside the square
    Two directions
    Circle within a square – pocket between
    As is
    Add finishing pass to pocket operation
    Add contour pass around square to remove
    corner projections
    Drill four holes
    Link – contour
    Contour Z-step roughing vs. side of end mill
    roughing.
    Rotor – pocket
    Pulley – cutouts

  • APPENDIX A – DeskCNC

    DeskCNC modes
    DeskCNC view controls
    Art mode
    Machine, Edit, and DXF modes
    DeskCNC – viewing DXF file information on-screen
    View – show directions
    View – information tags
    DeskCNC Tool Library
    DeskCNC make a part procedure
    DeskCNC view and edit G-code

  • APPENDIX B – OTHER BOOKS FROM SQUARE 1 ELECTRONICS

    Easy Step’n
    Future CNC Books
    PIC´┐Ż  Microcontroller Books

  • APPENDIX C – SOURCES

    Sources





    [HOME]   [ORDER INFO] 

     [GO DIRECT TO SECURE ORDER FORM]  



     [CONTACT US] 


     [ TOP OF PAGE ]





    Copyright 2005 Square 1 Electronics
    This page last updated August 11, 2005