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عدد المساهمات : 19004 التقييم : 35512 تاريخ التسجيل : 01/07/2009 الدولة : مصر العمل : مدير منتدى هندسة الإنتاج والتصميم الميكانيكى
| موضوع: كتاب Fundamentals of CNC Machining الأحد 12 مايو 2019, 10:52 pm | |
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أخوانى فى الله أحضرت لكم كتاب Fundamentals of CNC Machining A Practical Guide for Beginners Compliments of Autodesk, Inc.
ويتناول الموضوعات الأتية :
Chapter 1: Introduction & CNC Process Overview Description 1-?3 Prerequisites 1-?3 Audience 1-?3 Course Design 1-?3 SRP vs. RP 1-?4 Prototype vs. Production Machining . 1-?4 Required Tools and Equipment . 1-?4 Lessons and Appendices 1-?5 Instructional Resources . 1-?5 Recommended Use . 1-?6 Overview of CAD/CAM Process . 1-?6 Chapter 2: Shop Safety Overview . 2-?3 Safety Awareness 2-?3 Personal Conduct & Shop Etiquette 2-?4 Shop Clothing 2-?4 Proper Shop Attire Illustration . 2-?5 General Safety Practices 2-?6 CNC Safety Practices 2-?6 Safety Contract 2-?7 Safety Contract Form . 2-?8 Chapter 3: CNC Tools Overview . 3-?3 End Mills 3-?3 Face Mill 3-?4 Corner Radius Mill . 3-?5 Slot Mill/Slotting Saw 3-?5 Center-?Spot Drill 3-?5 Twist Drill . 3-?6 Tap . 3-?6 Reamer 3-?7 Counterbore 3-?8 Cutting Tool Fundamentals . 3-?8 Rotational Direction . 3-?8 Chip Formation 3-?8 Chip Load . 3-?9 Climb vs. Conventional Milling . 3-?9 Cutting Speeds and Feeds Formulas 3-?10 Speed Formula . 3-?11 Feed Formula . 3-?12 Tap Feed Formula 3-?12 Speed/Feed Examples . 3-?13 Milling Speed/Feed Example 3-?13 Drill Speed/Feed Example 3-?14 Table of ContentsFundamentals of CNC Machining Contents ii Tap Speed/Feed Example . 3-?15 Maximum Spindle Speed Example . 3-?16 Cutting Data . 3-?17 Best Practices Machining Parameters 3-?18 Troubleshooting Speed/Feed Problems . 3-?19 Chapter 4: Coordinate Systems Overview . 4-?3 Cartesian Coordinate System 4-?3 Number Line 4-?3 3D Cartesian Coordinate System . 4-?3 Quadrants 4-?4 Units 4-?5 Vertical Machining Center (VMC) Motion . 4-?5 CNC Motion Control . 4-?6 CNC Machine Coordinates . 4-?6 About Machine Home Position 4-?7 Work Coordinate System (WCS) 4-?8 WCS Example-?1 4-?9 WCS Example-?2 4-?10 WCS Example-?3 4-?11 Machine and Tool Offsets . 4-?12 Machine Offset XY 4-?12 Machine Offset Z 4-?13 Tool Lenght Offset (TLO) 4-?13 Chapter 5: CNC Programming Language Overview . 5-?3 CNC Language and Structure . 5-?3 Program Format . 5-?4 CNC Editor . 5-?4 Alphabetic & Special Character Address Codes . 5-?5 Alphabetic Address Code Definitions . 5-?5 G&M Codes . 5-?8 G-?Codes 5-?8 M-?Codes . 5-?8 Select G-?Code Definitions (Expanded) . 5-?9 Canned Cycles 5-?10 Chapter 6: CNC Operation Overview of CNC Setup and Operation . 6-?3 Machine and Tool Offsets . 6-?5 Fixture Offset XY 6-?5 Fixture Offset Z 6-?6 Tool Length Offset (TLO) 6-?7 Haas Control Face 6-?8 Haas Keyboard . 6-?9 Start/Home Machine . 6-?10 Load Tools . 6-?11 Set Tool Length Offset (TLO) . 6-?13 Set Fixture Offset XY 6-?17Contents Fundamentals of CNC Machining iii Set Fixture Offset Z 6-?21 Load CNC Program . 6-?24 Run CNC Program 6-?26 Adjusting Diameter (CDC) Offsets . 6-?27 Shut Down CNC . 6-?29 Chapter 7: 2D Milling Toolpaths Overview . 7-?3 2D/3D/4X/5X Defined 7-?3 2D (Prismatic) Parts 7-?3 3D Parts 7-?4 4-?Axis Parts 7-?4 Standard CAD Views vs. CAM Views 7-?6 CAD Features vs. Machining Features . 7-?6 Toolpaths by Type and Use . 7-?7 2D Machining Features Example 7-?8 2D Toolpath Terminology 7-?9 Facing 7-?10 2D Contouring . 7-?11 Cutter Diameter Compensation . 7-?12 Pocketing . 7-?13 Slot Milling . 7-?14 Chamfer Milling . 7-?15 Radius (Corner-?Round) Milling 7-?16 Center Drill 7-?17 Drilling . 7-?18 Tapping 7-?19 Chapter 8: CNC Turning Overview . 8-?3 Lathe Components . 8-?4 Spindle . 8-?5 Turret . 8-?6 Lathe Coordinate System 8-?8 Driven (Live) Tools . 8-?9 Imaginary Tool Tip . 8-?10 Part Datum 8-?11 Tools and Tool Holders 8-?12 Chip Breaker . 8-?12 Relief Angle 8-?13 Tool Cutting Angles 8-?13 Rake Angle . 8-?14 Insert Designations 8-?15 Lathe Tool Types 8-?17 Face/Turn Tools . 8-?17 Groove Tool 8-?18 Bore Tool 8-?19 Thread Tool 8-?20 Cutoff Tool . 8-?21 Cutting Speeds and Feeds . 8-?22 Speed/Feed Example . 8-?23 Cutting Feed Example 8-?24 Lathe Setup and Programming Example . 8-?25 Setup 8-?26Fundamentals of CNC Machining Contents iv Face 8-?27 Rough . 8-?28 Finish 8-?29 Groove . 8-?30 Thread 8-?31 Drill . 8-?32 Bore 8-?33 Cutoff . 8-?34 Chapter 9: 3D Toolpaths Overview . 9-?3 3D Cutter Compensation . 9-?3 Tolerances . 9-?4 3D Toolpath Setups . 9-?6 3D Roughing 9-?6 Parallel Finish 9-?7 Scallop Height 9-?8 3D Scallop 9-?9 REST Milling . 9-?10 Pencil Toolpaths 9-?11 Conceptualizing 3D Toolpaths . 9-?12 Chapter 10: Milling Setups Overview . 10-?3 Fixture Components 10-?3 Subplates and Angle Plates . 10-?3 Clamps 10-?4 Shoulder Bolts and Dowel Pins 10-?5 Vise Accessories 10-?5 Hard Jaws . 10-?6 Soft Jaws 10-?6 Appendix A: CNC Milling Work-?Holding Examples Project 1 : Install Vise A-?2 Project 2 : Install Vise Jaws A-?4 Project 3 : Square Block .A-?5 Project 4 : Contour Square Step A-?13 Project 5 : Base A-?16 Project 6 : Housing A-?21 Project 7 : Fan Blades A-?23 Project 8 : Clamp .A-?29 Project 9 : Fixture Plate .A-?31 Project 10 : French Curve A-?33 Project 11 : Honeycomb A-?38 Project 12 : Bracket .A-?40 Project 13 : Microwave Housing A-?49 Project 14 : Geneva Gear .A-?57Contents Fundamentals of CNC Machining v Appendix B: Alternate Tool Setting Methods List of Common Methods B-?1 Using Paper .B-?2 1-?2-?3 Block on Finished Part Face B-?3 1-?2-?3 Block and Dial Indicator .B-?4 Tool Probe .B-?4 Appendix C: CNC Process Planning Form CNC Process Planning Form C-?1, C-?2 Appendix D: G-?M Code Reference Milling G-? Codes D-?1 Milling M-?Codes D-?2 Lathe G-?Codes . D-?3, D-?4 Lathe M-?Codes D-?4 Appendix E: Glossary Glossary E-?1, E-?2 Appendix F: Drill Chart Drill Chart . F-?1, F-?2 Inch Pipe Threads F-?4 Metric Taps F-?5
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