Theory and Design of CNC Systems Part 3 ppsx
Theory and Design of CNC Systems Part 3 ppsx
... X-1.69 53 Y 75 Z 235 8 F10 N120 K0. X-1.6544 Z 231 3 N 130 K0. X-1.5752 Z 2225 N140 K0. X-1.40 53 Z 2067 N150 K. 031 3 X-1 .30 31 Z 1982 N160 K.0781 X-1.1215 Z 1847 N300 K.90 63 X1.7085 Z 237 3 N310 K.9688 ... –18 3 –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
Theory and Design of CNC Systems Part 8 ppsx
... Lamp F05.1 F05.2 F05 .3 F05.4 F05.5 F05.6 F05.7 F07.0 F07.1 F07.2 F07 .3 F07.4 F07.5v G 03. 0 G 03. 1 G 03. 2 G 03. 3 G 03. 4 G 03. 5 G 03. 6 G 03. 7 G04.0 G04.1 CNC Mode Auto CNC Mode Manual CNC Mode MDI Reset CNC Alarm Ref ... standard IEC1 131 , is the international standard for PLC, consisting of five parts and IEC1 131 - 3 is one of the parts of which IEC1 131 is compo...
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Theory and Design of CNC Systems Part 14 potx
... interpolation, 1 93 rough output, 198 RS 274, 39 7 RT LINUX, 35 6 RTOS, 31 5, 31 6, 31 8, 32 0, 32 2, 32 5, 32 6, 32 9, 33 2, 33 3, 33 5, 33 9, 34 1 34 6, 34 8 35 1 RTOS kernel, 32 1 S-code, 53, 238 S-shape type ... control system, 28 real-time OS, 31 5, 31 6, 31 8, 32 0, 32 2, 32 5, 32 6, 32 9, 33 2, 33 3, 33 5, 33 9, 34 1 34 6, 34 8 35 1 real-time OS – struc...
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Theory and Design of CNC Systems Part 1 pps
... Introduction . . 35 3 10.2 DesignofSoftwareArchitecture 35 6 10.2.1 CNCSystemModeling 35 6 10 .3 DesignofSoft-NCSystem 35 9 10 .3. 1 Design of Task Module . 35 9 10 .3. 2 DesignoftheSystemKernel 36 1 10 .3. 3 PLCProgramScanningandScheduling ... ProcessCreationandTermination 32 4 9.5.2 Process State Transition . 32 4 9.5 .3 ProcessScheduling 32 5 9.6 ProcessSynchronization 33 0...
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Theory and Design of CNC Systems Part 2 doc
... representative indicator that shows the design concept and the functional aspect of a CNC and is a big part of 33 26 1 Introduction to NC Systems System memory Part program D.P.R MMI Internal data block D.P.R PLC FIFO ... The construction of CNC 2 .3 Main CNC System Functions 45 Y X G17 G02 G 03 X Z G18 G02 G 03 Z Y G19 G02 G 03 Fig. 2.8 CW and CCW directions f...
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Theory and Design of CNC Systems Part 4 potx
... +( α /2) 2 (3. 59) If coefficients A and B, as shown in Eq. 3. 59, are applied to Eq. 3. 34 and Eq. 3. 35, then Eq. 3. 60 and Eq. 3. 61 are derived. DX(i)=− 1 1 +( α /2) 2 α 2 2 X(i)+ α Y(i) (3. 60) DY ... as Eq. 3. 79. Δφ = 2 √ 2 κ h (3. 79) If the length of the partial curve Δ s is approximated by the length of the line PQ, the curvature is summarized as Eq. 3. 80 base...
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Theory and Design of CNC Systems Part 5 potx
... Acceleration and Deceleration trajectory is inversely proportional to the feedrate and sudden changes of feedrate result in reduction of accuracy of the CNC equipment. In the ADCBI type of NCK, the ... 4.75. T A1 = F 1 A (4. 73) 154 4 Acceleration and Deceleration 01 234 5678 50 100 150 200 250 30 0 35 0 400 Time (s) Velocity (mm/min) Fig. 4 .37 Look-ahead buffer size 6 Fig...
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Theory and Design of CNC Systems Part 6 pptx
... follows, W(s)= Y(s) U(s) = G(s) 1 + G(s) (5 .33 ) From Eq. 5 .32 and Eq. 5 .33 , E(s) is summarized as follows, E(s)+ 1 1 + G(s) U(s) (5 .34 ) where the steady state error is denoted by e(∞),beinge(t) as t → ∞, and it can be calculated ... execution algo- rithms and implementation by pseudo-code. In this chapter, only the design of NCK will be described and the overall design o...
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Theory and Design of CNC Systems Part 9 potx
... task is called CNC programming. 8 .3. 1 The Sequence of Part Programming Roughly, CNC programming is composed of the generation of a process plan from a part drawing and the generation of the part program. ... hot keys for executing the functions of CNC. 8.1 .3 Area for MPG Handling This area consists of the MPG (Manual Pulse Generator), the MPG handle ON/OFF switch...
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Theory and Design of CNC Systems Part 10 pot
... can be used as the tool for optimizing toolpaths. 31 6 9 CNC Architecture Design 3. The architecture of the software (the design of task modules and the system ker- nel) A real-time OS provides ... common tool, and 3) the common tool. In Fig. 8 .30 , P11, P21, and P31 are the part programs that should be executed before using the common tool. The tools used in P11, P21,...
Ngày tải lên: 11/08/2014, 20:21