Theory and Design of CNC Systems Part 1 pps

... PartProgramming 410 11 .5 .1 Part Programming for the Milling Operation . . . 411 11 .5.2 PartProgrammingfortheTurningOperation 414 11 .6 STEP-CNCSystem 415 11 .6 .1 TypesofSTEP -CNC 417 11 .6.2 Intelligent STEP -CNC ... 3479 .10 .3 CNCSystemArchitecture 3489 .11 Summary 350 10 Design of PC-NC and Open CNC 353 10 .1 Introduction . . 353 10 .2 DesignofSoftwareArchitecture 356 10 .2 .1 CNCSystemModeling 356 10 .3 DesignofSoft-NCSystem ... Inter-TaskCommunication 3 81 10.4.6 CreateEventService 384 10 .5 Open-CNCSystems 387 10 .5 .1 Closed-typeCNCSystems 387 10 .5.2 OpenCNCSystems 389 10 .6 Summary 393 11 STEP-NC System 395 11 .1 Introduction . . 395 11 .2 Background...

Theory and Design of CNC Systems Part 3 ppsx

... 7 8 7 12 0 17 11 2 6 8 6 13 17 19 11 1 6 9 6 14 6 19 –9 1 5 9 5 15 -3 19 –7 1 4 9 4 16 16 21 –7 0 4 10 4 17 9 21 –5 0 3 10 3 18 4 21 –3 0 2 10 2 19 1 21 1 0 1 10 1 20 0 21 1 0 0 10 0The equation ... 17 9 9 1 93 15 5 17 8 9 2 94 10 7 17 7 9 3 95 –3 9 17 6 9 4 96 6 1 17 5 9 5 97 11 11 15 5 8 5 88 0 13 15 4 8 6 89 13 15 15 3 8 7 8 10 –2 15 13 3 7 7 7 11 13 17 13 2 7 8 7 12 ... P10000N 110 G06.2 P4 K0. X -1. 6953 Y 75 Z 2358 F10N120 K0. X -1. 6544 Z 2 313 N130 K0. X -1. 5752 Z 2225N140 K0. X -1. 4053 Z 2067N150 K.0 313 X -1. 30 31 Z 19 82N160 K.07 81 X -1. 1 215 Z 18 47 N300 K.9063 X1.7085...

Theory and Design of CNC Systems Part 8 ppsx

... standardIEC 113 1, is the international standard for PLC, consisting of ﬁve parts and IEC 113 1-3 is one of the parts of which IEC 113 1 is composed. 1. IEC 113 1 -1: PLC General information.2. IEC 113 1-2: ... langeuage 1 23456789 10 RDANDNRDS AND ORSWRRDANDNWRNENDX0 .1 Y2 .1 Y4.3Y0 .1 X1 .1 F0 .1 X7.7G0 .1 ENDX0 .1 Y2 .1 Y0 .1 X1 .1 Y4.3F0 .1 X7.7G0 .1 Fig. 7.4 Ladder diagram and mnemonic programA Counter is used for ... IEC 113 1-2: Equipment and test requirements3. IEC 113 1-3: PLC programming language4. IEC 113 1-4: User guidelines5. IEC 113 1-5: CommunicationsIEC 113 1-3 is the international standard for programmable...

Theory and Design of CNC Systems Part 14 potx

... 12 1 12 6acc/dec control – S-shape, 11 4 11 6acceleration, 10 7 11 4acceleration - deceleration controller, 24adaptive control module, 15 7ADCAI, 10 7 12 8, 18 7ADCBI, 10 7, 10 8, 12 8 15 5, 18 7, 211 ADCBI-type ... structure, 273hybrid loop, 19 I control, 16 2ICS, 396IEC 113 1, 2 41 245, 247IEC 113 1-3, 27, 2 41 243, 247IEC 113 1-3 PLC languages, 246IEC 113 1-3 software model, 243IKF, 17 5improved Euler algorithm, ... 50G42, 50G43, 51 G44, 51 G49, 51 G50 .1, 42G 51, 41 G 51. 1, 42G54, 41 G55, 41 G56, 41 G57, 41 G58, 41 G59, 41 G 61, 48, 12 6G62, 49G63, 49G64, 48, 49, 12 6G68, 42G70, 54G 71, 54G72, 54G73,...

Theory and Design of CNC Systems Part 2 doc

... X=50N230 Y100;N40 M98 P1000 01; N240 X60 Y60;N250 M99;N50 G 51. 1 Y50; → sym. X=50, Y=50N60 M98 P1000 01; N70 G50 .1 X0; → reset XN80 M98 P1000 01; N90 G50 .1 Y0; → reset YN100 M30;Y 10 0N40 N20605040 10 06050400N60 ... SystemOpenApplicationFig. 1. 12 The construction of CNC 2.3 Main CNC System Functions 45YXG17G02G03XZG18G02G03ZYG19G02G03Fig. 2.8 CW and CCW directions for the XY, ZX and YZ planesThe end point of an ... can be used.Y-axisX-axis3020 10 0 10 203040506070N10 G17 G 01 X10 Y0 F200 ;N20 X0 Y15 ;N30 G06 .1 X5 Y30 ;N50 X20 Y15 ;N50 X45 Y30 ;N60 X60 Y15 ;N70 G 01 X65 Y30 ; → Spline interpolation...

Theory and Design of CNC Systems Part 4 potx

... 10 22 10 0 20 43 10 0 30 64 10 0 40 85 10 0 50 10 6 10 10 50 10 7 10 10 50 10 8 10 10 50 10 9 0 10 40 8 10 0 10 30 6 11 0 10 20 4 12 0 10 10 2 13 0 10 0 0Σ80 80As shown in Fig. 4.3, initial ... ∗HL(z)= 1 m 1 −z−m 1 −z 1 ∗ 1 m 1 −z−m 1 −z 1 (4.6)4.2 Acc/Dec Control After Interpolation 11 3S(k)=S(k 1) +ΔX(k) −ΔX(k −n) (4 .10 )ΔXo(k)=S(k)/n∆X(k)k 10 10 10 10 10 2 10 106488642k 10 ... interpolation, and b( j) and b( j) are further interpo-lation for the moving average. Table 3.9 illustrates the computing procedure for themoving average. 15 6789 10 43 212 11 1 314 15 16 1 718 192021...

Theory and Design of CNC Systems Part 5 potx

... and end speeds of the current block, only one next block is considered. Because we do4.4 Look Ahead 14 5VX1= F 1 ·XE1−XS1L 1 ,VY1= F 1 ·YE1−YS1L 1 ,VZ1= F 1 ·ZE1−ZS1L 1 ,VX2= ... beginning of deceleration is F 1 , and the speed at the end of decelerationis F2. The constant speed time of Block N1 is calculated by Eq. 4. 61. TC1=L 1 −F2 1 2A−F2 1 −F222DF 1 (4. 61) In ... arc and the line join. -10 -25 -20 -15 -10 -5 0 5 10 15 -505 10 15 2025X-axis (mm)Y-axis (mm)Fig. 4.38 Look-ahead path4.4 Look Ahead 15 1The smallest among V 1 , V2, and the commanded...

Theory and Design of CNC Systems Part 6 pptx

... Eqs. 5. 31, 5.34, and 5.35.ep= lims→0sE(s)= lims→0s· 1 1 +Ksl· (1+ sT 1 ) (1+ sT2) (1+ sTm) (1+ sT 1 ) (1+ sT2) (1+ sTn)·As= lims→0s· 1 1 +Ksl·As= lims→0A 1 +Ksl(5.36)Consequently, ... time.On the other hand, the transition function of the PID controller can be representedas in Eq. 5 .16 .GC(s)=KC 1 + 1 TisTds +1 αTds +1 (5 .16 )where, Ti and Td, respectively, ... KR)e−τsTpsKC(Tis +1 TisTds +1 αTds +1 s= jω0= −π| (1 + KR)GP( jω0)GC( jω0)| = (5 .18 ) (1 + KR)e−τsTpsKC(Tis +1 TisTds +1 αTds +1 s= jω0= 1 whereω0is...

Theory and Design of CNC Systems Part 9 potx

... 6.2507, -1. 255 ,1. 0,6.25, -1. 255 ,1. 0)) THICK/0.0,0 .13 GOFWD/LI82,PAST,LI83 TLON,GORGT/(LINE/-0 .12 28, -1. 255 ,1. 0,2.0 ,1. 0 ,1. 0),ON,(LINE/$ POINT/2.0 ,1. 0 ,1. 0),PERPTO,(LINE/-0 .12 28, -1. 255 ,1. 0,2.0 ,1. 0 ,1. 0)) FINIFig. ... SPINDL /12 00 FEDRAT /1. 0 OUTTOL/0.005 TLAXIS/0.0,0.0 ,1. 0 FROM/0.0,0.0,5.0 RAPID GOTO/-0 .12 28, -1. 255,3.0 THICK/0.0,0 .13 DNTCUT GOTO/-0 .12 28, -1. 255 ,1. 0 GO/ON,LI82,TO,(PLANE/0.0,0.0 ,1. 0 ,1. 0),TO,LI83 ... =LINE/6.25, -1. 0,2.0,0.25, -1. 0,2.0 LI83 =LINE/0.25, -1. 0,2.0,2.0,3.5,2.0 LI84 =LINE/2.0,3.5,2.0,6.7525 ,1. 1 319 ,2.0 CI58 =CIRCLE/6.2507,0 .12 5,2.0 ,1. 125 LI85 =LINE/6.2507, -1. 0,2.0,6.25, -1. 0,2.0...

Theory and Design of CNC Systems Part 10 pot

... tool, and 3) thecommon tool.In Fig. 8.30, P 11, P 21, and P 31 are the part programs that should be executedbefore using the common tool. The tools used in P 11, P 21, and P 31 are as follows.P 11: ... follows:Group 1: T 11 , T 12 , T1aGroup 2: T 21 , T22, T2bGroup M: Tm1, Tm2, Tmmwhere tools used in one particular group may be used in another group. Therefore, ifthe usage sequence of tools ... A, BP 21: A, FP 31: H, IIn Fig. 8.30, P12, P22, and P32 are the part programs that should be executed afterusing the common tool and the tools used in P12, P22, and P32 are as follows.P12: D,...

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