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 ... 347 9 .10 .3 CNCSystemArchitecture 348 9 .11 Summary 350 10 Design of PC-NC and Open CNC 353 10 .1 Introduction . . 353 10 .2 DesignofSoftwareArchitect...

Ngày tải lên: 11/08/2014, 20:21

... 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 0 The equation ... 17 9 9 1 9 3 15 5 17 8 9 2 9 4 10 7 17 7 9 3 9 5 –3 9 17 6 9 4 9 6 6 1 17 5 9 5 9 7 11 11 15 5 8 5 8 8 0 13 15 4 8 6 8 9 13 15 15 3 8 7 8 10 –2 15 13...

Ngày tải lên: 11/08/2014, 20:21

... standard IEC 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 2 3 4 5 6 7 8 9 10 RD ANDN RDS AND ORS WR RD ANDN WRN END X0 .1 Y2 .1 Y4.3 Y0 .1 X1 .1 F0 .1 X7.7 G0 .1 END X0 .1 Y2 .1 Y0 .1 X1 .1 Y4.3 F0 .1...

Ngày tải lên: 11/08/2014, 20:21

... 12 1 12 6 acc/dec control – S-shape, 11 4 11 6 acceleration, 10 7 11 4 acceleration - deceleration controller, 24 adaptive control module, 15 7 ADCAI, 10 7 12 8, 18 7 ADCBI, 10 7, 10 8, 12 8 15 5, 18 7, 211 ADCBI-type ... structure, 273 hybrid loop, 19 I control, 16 2 ICS, 396 IEC 113 1, 2 41 245, 247 IEC 113 1-3, 27, 2 41 243, 247 IEC 113 1-3 PLC languages, 246 IEC 113 1-3 soft...

Ngày tải lên: 11/08/2014, 20:21

... X=50 N230 Y100; N40 M98 P1000 01; N240 X60 Y60; N250 M99; N50 G 51. 1 Y50; → sym. X=50, Y=50 N60 M98 P1000 01; N70 G50 .1 X0; → reset X N80 M98 P1000 01; N90 G50 .1 Y0; → reset Y N100 M30; Y 10 0 N40 N20 60 50 40 10 0 6050400 N60 ... System Open Application Fig. 1. 12 The construction of CNC 2.3 Main CNC System Functions 45 Y X G17 G02 G03 X Z G18 G02 G03 Z Y G19 G02 G03 Fig. 2.8...

Ngày tải lên: 11/08/2014, 20:21

... 10 2 2 10 0 20 4 3 10 0 30 6 4 10 0 40 8 5 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 0 Σ 80 80 As shown in Fig. 4.3, initial ... ∗H L (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 3 S(k)=S(k 1) + Δ X(k) − Δ X(k −n) (4 .10 ) Δ X o...

Ngày tải lên: 11/08/2014, 20:21

... and end speeds of the current block, only one next block is considered. Because we do 4.4 Look Ahead 14 5 V X1 = F 1 · X E1 −X S1 L 1 ,V Y1 = F 1 · Y E1 −Y S1 L 1 ,V Z1 = F 1 · Z E1 −Z S1 L 1 , V X2 = ... beginning of deceleration is F 1 , and the speed at the end of deceleration is F 2 . The constant speed time of Block N1 is calculated by Eq. 4. 61. T C1 = L 1...

Ngày tải lên: 11/08/2014, 20:21

... Eqs. 5. 31, 5.34, and 5.35. e p = lim s→0 sE(s) = lim s→0 s· 1 1 + K s l · (1+ sT  1 ) (1+ sT  2 ) (1+ sT  m ) (1+ sT 1 ) (1+ sT 2 ) (1+ sT n ) · A s = lim s→0 s· 1 1 + K s l · A s = lim s→0 A 1 + K s l (5.36) Consequently, ... time. On the other hand, the transition function of the PID controller can be represented as in Eq. 5 .16 . G C (s)=K C  1 + 1 T i s  T d s +...

Ngày tải lên: 11/08/2014, 20:21

... 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)) FINI Fig. ... 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...

Ngày tải lên: 11/08/2014, 20:21

... tool, and 3) the common tool. In Fig. 8.30, P 11, P 21, and P 31 are the part programs that should be executed before 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 , T 1a Group 2: T 21 , T 22 , T 2b Group M: T m1 , T m2 , T mm where tools used in one particular group may be used in another group. Therefor...

Ngày tải lên: 11/08/2014, 20:21