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| Preface | |
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| Acknowledgments | |
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| Introduction | |
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| Part Programming Techniques | |
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| Conventional Part Programming | |
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| Conversational Part Programming | |
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| Part Programming Using CAM Software | |
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| Macro Programming | |
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| Comparison of the Four Methods | |
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| Certain Applications of Macro Programming | |
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| Complex Motions | |
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| Families of Parts | |
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| Custom Canned Cycles | |
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| "Intelligent" Programs | |
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| Probing | |
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| Machine Status Information/Manipulation | |
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| Communication with External Devices | |
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| Does My Machine Have Macro Capability? | |
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| Aim of the Present Text | |
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| How to Use This Text | |
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| Variables and Expressions | |
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| Macro Variables | |
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| Macro Expressions | |
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| Assigning a Value to a Variable | |
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| Display of Variables | |
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| Real versus Integer Values | |
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| Undefined Variables | |
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| Null Variables in Word Addresses | |
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| Null Variables in Arithmetic Operations | |
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| Null Variables in Conditional Expressions | |
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| A Simple Use of Macro Programming Features | |
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| Retaining Programs in MDI Mode | |
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| Types of Variables | |
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| Local and Global Variables | |
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| Effect of System Reset on Macro Variables | |
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| Levels of Local Variables | |
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| Range of Values Stored in Variables | |
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| System Variables | |
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| System Variables versus System Parameters | |
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| System Variables on Fanuc 0i Series Controls | |
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| Displaying System Variables | |
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| Interface Signals | |
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| System Variables for Input Interface Signals | |
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| System Variables for Output Interface Signals | |
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| Geometry and Wear Offset Values | |
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| Workpiece Coordinate System Shift Amount | |
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| Macro Alarms | |
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| Time Information | |
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| Automatic Operation Control | |
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| Execution Pause | |
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| Mirror Image Information | |
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| Number of Machined Parts | |
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| Modal Information | |
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| Current Tool Position | |
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| Work Offset Values | |
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| Macro Functions | |
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| Types of Macro Functions | |
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| Priority of Operations in Arithmetic Expressions | |
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| Priority of Operations in Boolean Expressions | |
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| Effect of Order of Calculations | |
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| Nesting of Brackets | |
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| Arithmetic Operations | |
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| Division versus Block-Skip Function | |
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| Trigonometric Functions | |
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| Rounding Functions | |
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| ROUND, FIX, and FUP | |
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| Miscellaneous Functions | |
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| SQRT | |
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| ABS | |
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| LN | |
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| EXP | |
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| Arbitrary Exponent of a Number | |
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| Logical Functions | |
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| Bitwise Functions | |
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| Boolean Functions | |
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| Bitwise versus Boolean Operations | |
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| Enabling Boolean Operations | |
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| An Application Example of Bitwise Operation | |
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| Conversion Functions | |
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| Branches and Loops | |
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| Unconditional Branching | |
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| Conditional Branching | |
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| Conditional Execution of a Single Macro Statement | |
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| Execution in a Loop | |
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| Arithmetic Operations on Macro Variable Numbers | |
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| Methods of Zero Shift | |
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| Machine Coordinate System | |
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| External Workpiece Coordinate System | |
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| G54-G59, G54.1 P1-P48 Workpiece Coordinate Systems | |
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| Zero Shift by Manipulating Offset Distances | |
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| Zero Shift through System Variables | |
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| Work Offset Display on a Milling Machine | |
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| System Variables for Various Work Offset Values | |
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| Zero Shift through a Program | |
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| Nested WHILE Statement | |
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| Review of Subprograms | |
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| Introduction | |
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| What Is a Subprogram? | |
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| Why Is It Used? | |
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| Subprograms versus Subroutines of a Conventional Computer Language | |
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| Subprogram Call | |
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| Multiple Call of a Subprogram | |
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| Subprogram Nesting | |
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| Macro Call | |
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| Introduction | |
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| Macro versus Subprogram | |
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| Macro Call | |
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| Simple Call (G65) | |
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| Modal Call (G66) | |
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| Call with User-Defined G-Code | |
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| Call with User-Defined M-Code | |
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| Subprogram Call without Using M98/M198 | |
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| Subprogram Call Using an M-Code | |
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| Subprogram Call Using a T-Code | |
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| Argument Specification | |
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| Argument Specification I | |
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| Argument Specification II | |
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| Mixed Argument Specification | |
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| An Example of a G-Code Macro Call with Arguments | |
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| Processing of Macro Statements | |
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| What Is Buffering? | |
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| How Many Blocks Are Buffered? | |
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| When Are the Buffered Blocks Processed? | |
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| Processing When the Next Block is Not Buffered | |
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| Processing in Radius Compensation Cancel (G40) Mode | |
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| Processing in Radius Compensation Mode (Case 1) | |
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| Processing in Radius Compensation Mode (Case 2) | |
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| Effect of Buffering of Macro Statements on Program Execution | |
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| Complex Motion Generation | |
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| Introduction | |
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| Arc with Uniformly Varying Radius | |
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| Helical Interpolation with Variable Radius | |
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| Parabolic Turning | |
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| Roughing Operation | |
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| Step-Removal Operation | |
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| Turning a Sine Curve | |
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| Parametric Programming | |
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| Introduction | |
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| Locator Pin | |
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| Bolt Holes on a Flange | |
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| Custom Canned Cycles | |
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| Introduction | |
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| Deep-Hole Peck Drilling on a Lathe | |
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| Drilling with Reducing Peck Lengths on a Milling Machine | |
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| Probing | |
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| Introduction | |
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| Skip Function on a CNC Machine | |
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| Probing a Pocket | |
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| Finding Center of a Hole | |
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| Finding Angle of an Edge | |
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| Adjusting Wear Offset | |
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| Communication with External Devices | |
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| Introduction | |
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| Switching Principle | |
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| Input Types and Wiring | |
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| Connector Pin Assignment | |
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| Discrete Sensors for Sourcing/Sinking PLC Inputs | |
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| Output Types and Wiring | |
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| Programmable Data Input | |
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| Introduction | |
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| Data Input for WCS Offset Distances | |
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| Data Input for Additional WCS Offset Distances | |
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| Data Input for Compensation Values on a Milling Machine | |
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| Data Input for Compensation Values on a Lathe | |
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| Data Input for Parameter Values | |
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| A Limitation of G10 L50 Method | |
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| Appendix A List of Complex Macros | |
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| Appendix B List of Parameters | |
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| Index | |