Numerical Control Part ProgrammingDevelops the subject to include detailed treatment of how to write both manual point-to-point and manual and computer-assisted (APT) continuous path programs. Presents each topic in a logical and clear manner. Places heavy emphasis on concepts and terminology. |
Contents
What Is Numerical Control? | 1 |
Numerical Control Machine Movements | 49 |
Coordinate System | 59 |
Copyright | |
11 other sections not shown
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Common terms and phrases
angle approximately automatically auxiliary axes axis block calculations cathode ray tube CHAPTER character check surface circle circular interpolation column command control system control unit coordinates of point Courtesy CSURF curve cutter moves cutting tool described device diameter dimension direction distance drilling drive surface DSURF example f word feed rate floating zero format FRØM/SP geometry statements High Speed Steel inches per minute incremental instructions lead screw linear interpolation machine language machine tool manually manuscript milling cutter milling machine motion statements MOVE FROM POINT movement NC machine noted number of holes numerical control machine operator parallel path PLN1 point-to-point machines position PRACTICE EXERCISE PSURF punched tape quadrant radius revolutions per minute right-hand rule sequence number shown in Fig sketch start-up statements straight line symbol TAB TAB tape reader target point turret two-axis WORD WORD WORD workpiece worktable zero suppression zero system