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An- Najah National University Faculty of Engineering Electrical Engineering Department

An- Najah National University Faculty of Engineering Electrical Engineering Department Graduation Project 2 (63569 ) CNC ROUTING MACHINE Instructor: Dr. Samer Mayaleh Prepared by: Mohammed Samaneh . Mohammed Masoud.

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An- Najah National University Faculty of Engineering Electrical Engineering Department

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  1. An-Najah National University Faculty of Engineering Electrical Engineering Department Graduation Project 2 (63569) CNC ROUTING MACHINE Instructor: Dr. SamerMayaleh Prepared by: Mohammed Samaneh. Mohammed Masoud.

  2. CNC TECHNOLOGY Computerized Numerical Control: Using computer to control operation of machine tools via specially coded instructions.

  3. CNC MACHINE IMPORTANCE CNC machine can improve a lot of manufacturing fields in Palestine. CNC machine can reduce importing from outside cause it can produce needed pieces. National CNC machine can save people money cause no need to spend on charge it from outside.

  4. A LOT OF APPLICATIONS

  5. OVERVIW

  6. MECHANICAL DRIVE How to convert rotational movement of motor into translational movement ?

  7. MOTORSSERVO vs. STEPPER

  8. MOTORS Servo: closed loop, higher resolution & complex drive. Stepper motor: open loop, enough resolution & simple drive.

  9. Uni-polar stepper motors have two coils/windings per phase.

  10. Bipolar two-phase stepper motors have one winding per phase.

  11. TORQUE ISSU An 8 wire NEMA 23 stepper motor may produce: 305 oz-in using uni-polar driver 425 oz-in using bipolar driver (1 oz-in = 0.0070 N-m)

  12. STEPPING MODES Wave step Half step Full step

  13. WAVE STEP HALF STEP FULL STEP

  14. MACHINE RESOLUTION One revolution (200 steps) ………… 2.0 mm Quarter revolution (50 step) ……… 0.5 mm 0.01 mm per step

  15. MECHANICAL STRUCTURE

  16. Z-AXIS OF THE MACHINE

  17. Y-AXIS OF THE MACHINE

  18. X-AXIS OF THE MACHINE

  19. CNC SYSTEM

  20. DRIVE CIRCUIT

  21. SCHIMATIC OF DRIVE CIRCUIT 0

  22. PCB OF DRIVE CIRCUIT

  23. SOFTWARES

  24. CAD SOFTWARE

  25. CAM SOFTWARE

  26. G CODE

  27. MACH3 SOFTWARE

  28. MOTOR OUTPUT

  29. INPUT SIGNALS

  30. MOTOR TUNING

  31. FINAL RESULT

  32. THANK YOU FOR LISTENING

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