26/11/1434 (CNC)

Transcript

1 (CNC)

2 Evolution of CNC Machines 3 Evolution of CNC Machines Parsons MIT 4 2

3 Evolution of CNC Machines Numerical Control (NC) Tape Tape Reader Machine Control Punch Unit MCU 5 Evolution of CNC Machines NC DNC Direct Numerical Control (DNC) 6 3

4 Evolution of CNC Machines DNC 7 Evolution of CNC Machines NC DNC DNC

5 Evolution of CNC Machines Computer Numerical Control (CNC) CNC. 9 Evolution of CNC Machines CNC FMS CAD/CAM

6 Evolution of CNC Machines DNC CNC Direct Computer Numerical Control (DCNC) Distributed Numerical Control (DNC) FMS,.CAD/CAM

7 Mass Production Batch Production Job Shop Production Mass Production

8 Job Shop Production.2 15 Batch Production

9 Quantity Variety 17 PLC Quantity Special System CIMS FMS CNC Variety 18 9

10 19 Stiffness Backlash Screw & Nut Rack & Pinion 20 10

11 Screw & Nut Recirculating Ball screws Roller screw 21 Recirculating Ball screws 22 11

12 Recirculating Ball screws 23 Recirculating Ball screws

13 Recirculating Ball screws 25 Recirculating Ball screws 26 13

14 Recirculating Ball screws Backlash Pre-load Recirculating Ball screws 27 Recirculating Ball screws

15 Roller screw / Recirculating Roller Screw Planetary Roller Screw 29 Positional Transducer 30 15

16 Output Transducer Spindle Positional Transducer feed back Precision - Accuracy - Resolution 32 16

17 Positional Transducer Linear Rotary Positional Transducer 34 17

18 Positional Transducer 35 وسائل اندازه گير موقعيت / Positional Transducer Encoders Machine Datum Binary Code 36 18

19 Positional Transducer 37 Positional Transducer n Direction Discriminator n 38 19

20 Positional Transducer.3 39 Positional Transducer 40 20

21 Positional Transducer Brush Decode 41 Positional Transducer 42 21

22 Positional Transducer Ambiguity Error Gray / Progressive Scale 43 Positional Transducer Binary Code

23 Positional Transducer Gray / Progressive Scale Machine Control System 46 23

24 Machine Control Unit Machine Control System Interpolation 48 24

25 Machine Control System Point-to-Point Machine Control System Continuous Path (Contouring).1 Linear Interpolation Circular Interpolation Parabolic Interpolation Helical Interpolation Cubic Interpolation.i.ii.iii.iv.v

26 Machine Control System Linear Interpolation.i.ii 51 Machine Control System Circular Interpolation.ii.iii

27 Machine Control System Open Loop Stepper

28 55 Machine Control System Closed Loop.2 Feed Back

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30 Electronic Industries Association (EIA) International Standard Organization (ISO) 59 Alphanumeric Parity Check EIA EIA ISO ISO Binary Coded Decimal (BCD) 60 30

31 ضبط نگهداري و انتقال اطالعات I.II Decode

32 .4.5 EIA, ISO 63 Manual Programming 64 32

33 65 Manual Part Programming Parametric Programming Geometric Programming Manual Part Programming

34 تهيه برنامه Parametric Programming.3 Geometric Programming.4 MasterCam, EdgeCam, Catia, PowerMill, 68 34

35 69 x,y,z 70 35

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37 Fixed Sequential Block Address Tab Sequential Word Address Fixed Sequential

38 Block Address Space Bar.2 75 Tab Sequential.3 Tab 76 38

39 Word Address.4 Address 77 G17, G18, G

40 Absolute coordinate G90 79 Incremental coordinate. G

41 N4 G2 X6 Y6 Z6 M2 I6 J6 K6 S4 F3 R6 D2 T

42 . N G X, Y, Z M I, J, K S F R D T 83 Manual Programming 84 42

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44 22mm X Z P X Z P0 P1 P2 P3 P4 P5 P6 P7 P8 87 N10 G00 X11 Z-1 P1 N10 P0 P X Z P P P2 P3 P4 P5 P6 P7 P

45 N11 GO1 X0 Z-1 P2 N11 P X Z P P P2 0-1 P3 P4 P5 P6 P7 P8 89 N12 G00 X9 Z1 N12 P3 P X Z P P P2 0-1 P3 9 1 P4 P5 P6 P7 P

46 P4 N13 N13 G01 X9 Z-31 P X Z P P P2 0-1 P3 9 1 P P5 P6 P7 P8 91 N14 G00 X10 Z1 N14 P5 P X Z P P P2 0-1 P3 9 1 P P P6 P7 P

47 N15 G00 X8 Z1 P6 N15 P X Z P P P2 0-1 P3 9 1 P P P6 8 1 P7 P8 93 P7 N16 N16 G01 X8 Z-31 P X Z P P P2 0-1 P3 9 1 P P P6 8 1 P P

48 N17 P8 N17 G01 X11 Z-31 P X Z P P P2 0-1 P3 9 1 P P P6 8 1 P P N18 G00 X20 Z50 N18 P X Z P P P2 0-1 P3 9 1 P P P6 8 1 P P

49 N0 G90 N1 G00 X11 Z-1 N2 GO1 X0 Z-1 F120 N3 G00 X9 Z1 N4 G01 X9 Z-31 F120 N5 G00 X10 Z1 N6 G00 X8 Z1 N7 G01 X8 Z-31 F120 N8 G01 X11 Z-31 F120 N9 G00 X20 Z50 N10 M30 97 Manual Programming 98 49

50 Y X P X Y Z P0 P1 P2 P3 P4 P5 P6 P7 P

51 P1 N10 P0 N10 G00 X10 Y10 Z0 P X Y Z P P P2 P3 P4 P5 P6 P7 P8 101 P2 N20 N20 G01 X0 Y0 Z-20 P X Y Z P P P P3 P4 P5 P6 P7 P

52 N30 N30 G01 X50 Y0 Z0 P3 P X Y Z P P P P P4 P5 P6 P7 P8 103 N40 G01 X0 Y50 Z0 P4 N40 P X Y Z P P P P P P5 P6 P7 P

53 P5 N50 N50 G01 X-50 Y0 Z0 P X Y Z P P P P P P P6 P7 P8 105 N60 P2 N60 G01 X0 Y-50 Z0 P X Y Z P P P P P P P6 P7 P

54 N70 N70 G01 X50 Y50 Z0 P4 P X Y Z P P P P P P P6 P7 P8 107 N80 G00 X0 Y0 Z12 P6 N80 P X Y Z P P P P P P P P7 P

55 P7 N90 N90 G00 X-50 Y0 Z0 P X Y Z P P P P P P P P P8 109 P5 N100 N100 G01 X0 Y0 Z-12 P X Y Z P P P P P P P P P

56 N110 N110 G01 X50 Y-50 Z0 P3 P X Y Z P P P P P P P P P8 111 P8 N120 G00 X0 Y0 Z12 N120 P X Y Z P P P P P P P P P

57 P0 N130 N130 G00 X-60 Y-10 Z8 P X Y Z P P P P P P P P P N00 G91 N10 G00 X10 Y10 Z0 N20 G01 X0 Y0 Z-10 F100 N30 G01 X50 Y0 Z0 F150 N40 G01 X0 Y50 Z0 F150 N50 G01 X-50 Y0 Z0 F150 N60 G01 X0 Y-50 Z0 F150 N70 G01 X50 Y50 Z0 F150 N80 G00 X0 Y0 Z12 N90 G00 X-50 Y0 Z0 N100 G01 X0 Y0 Z-12 F100 N110 G01 X50 Y-50 Z0 F150 N120 G00 X0 Y0 Z12 N130 G00 X-60 Y-10 Z8 N140 M

58 CNC simulator 115 Tool Radius Compensation

59 117 R شعاع قلم Q4 Q3 P4 P3 Y X Q1 P1 P2 Q2 Q X Y Q1 X P1 -R Y P1 -R Q2 X P2 +R Y P2 -R Q3 X P3 +R Y P3 +R Q4 X P4 -R Y P4 +R

60 P3 P1 P2 α Q2 Y Q2 X Q2 = X P2 + Rtgα/2 Y Q2 = Y P2 - R X

61 Q2 P3 X Q2 = X P2 + R/tgα/2 Y P1 α P2 N2 Y Q2 = Y P2 - R M2 Q2 X

62 Δ L P2 r α P1 Δ= r - L L r tan( ) 2 P3 123 Z Z A = Z B = Z 1 + Δz Z C = Z 2 + Δz Z D = Z 3 - Δz

63 Tool Radius Compensation 125 ISO G41 G42 P1 G41 P2 G41 G42 G42 G41 G

64 ) ISO ISO فيدر روتسد حيضوت 1 G00 2 G01 3 G02 4 G03 5 G10 6 G11 7 G12 8 G فيدر روتسد حيضوت 1 G24/G25 2 G26/G27 3 G28 4 G30/G31 5 G40 6 G41/G42 7 G54 8 G79 9 G76,G77,G7 8,G83 G98 G90/G91 G99

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66 131 Catia

67 Subroutine, Cycle, Macro 133 Subroutine / Sub programming Macro

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69 Cycle

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