COMPUTER NUMERICAL CONTROL PROGRAMMING BASICS

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COMPUTERNUMERICALCONTROLPROGRAMMINGBASIC SA Primer for theSkillsUSA/VICAChampionshipsSteve Krar Arthur GillDistributed to educational administrators,instructors, students, and apprentices with the compliments of INDUSTRIAL PRESS, of MACHINERY S HANDBOOK The Bible of the Machine Trades ComputerNumericalControlProgrammingBasic sSteve Krar Arthur GillThis book is not intended for sale under any PRESS Madison Avenue, New York, NY 10016CONTENTSSECTIONPAGEForeword1Preface 7Cartesian Coordinate System7Machines Using CNC9Programming Systems11Point-to-Point or Continuous Path13Point-to-Point Positioning14Continuous Path (Contouring)15Interpolation15Programming Format17Programming for Positioning23Work Settings and Offsets26CNC Bench-Top Milling and Turning Centers30CNC PROGRAMMING Hints Milling32Milling and Drilling Programming34CNC PROGRAMMING Hints Turning38Fanuc Compatible Programming39Turning Programming407The term NUMERICAL CONTROL is a widely accepted and commonlyused term in the machine tool industry.

4). Most lathes are programmed on two axes. •The X axis controls the cross motion of the cutting tool. Negative X (X-) moves the tool towards the spindle centerline; positive X moves the tool away from the spindle centerline. •The Z axis controls the carriage travel toward or away from the headstock. Fig. 4 The main axes of a lathe or ...

  Computer, Control, Numerical, Lathe, Computer numerical control