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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 CNCTable of Contents
INTRODUCTIONFor experimenter (hobbyist) or student Overview of topics covered in book Examples are 3-axis but …. DIY, retrofitted, or factory-built machines USING A COMPUTERThe basicsCopy or cut and paste Software use instructions SummaryCNC 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 programsVector draw programs CAD programs ConvertersCAM G-code interpreters CNC MACHINE OPERATION Generic CNC machine and G-code interpreter On-screen user interface Jogging Rapid HeightTool library Running G-code filesE-Stop and Limit Switches G-CODEG-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 examplesSetting up for experiments Rapid travel at maximum feed rate = jogLinear 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 fileCREATING DRAWINGSBasic conceptsPencil Sketch Draw programsVector vs bit mapCorelDraw Essentials CAD programsAutoSketch File formats Machining and woodworking ArtSign makingPrinted 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-CODEImage file to G-code for engravingImage 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 AutoSketchDrawing 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 |
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