User's Manual ISO TNC 360 (260020xx, 280490xx) - heidenhain

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6 Subprograms and Program Section Repeats 6.4 Nesting Nesting depth TNC 360 Subprograms and program section repeats can be nested in the following variations: • Subprograms in subprograms • Program section repeats in program section repeats • Subprograms can be repeated • Program section repeats can appear in subprograms The nesting depth is the number of successive levels for which subprograms or program sections can call further subprograms or program section repeats. Maximum nesting depth for subprograms: 8 Maximum nesting depth for calling main programs: 4 Subprogram in a subprogram Program layout % UPGMS G71 * . . 1 . e.g. N17 . L1,0 * ....................................................... Call of subprogram at G98 L1 . . 5 e.g. N35 G00 G40 Z+100 M2 * .............................. Last program block of main program (with M2) N36 . G98 L1 * . . 2 e.g. N39 . L2,0 * . . 4 e.g. N45 G98 L0 * ................................................... End of subprogram 1 N46 . G98 L2 * . . 3 e.g. N62 G98 L0 * ................................................... End of subprogram 2 N9999 % UPGMS G71 * ..................................... End of main program Sequence of program execution Step 1: Main program UPGMS is executed up to block 17. Step 2: Subprogram 1 is called and executed up to block 39. Step 3: Subprogram 2 is called and executed up to block 62. End of subprogram 2 and return to the subprogram from which it was called. Step 4: Subprogram 1 is executed from block 40 to block 45. End of subprogram 1 and return to main program UPGMS. Step 5: Main program UPGMS is executed from block 18 to block 35. Return jump to block 1 and program end. Subprogram 1 with program call of subprogram 2 Subprogram 2 6-9
6 Subprograms and Program Section Repeats 6.4 Nesting 6-10 Example for exercise: Group of four holes at three positions (see page 6-4), but with three different tools Machining sequence: Countersinking - Pecking - Tapping The drilling operation is programmed with cycle G83: PECKING (see page 8-4) and cycle G84: TAPPING (see page 8-6). The groups of holes are approached in one subprogram, and the machining is performed in a second subprogram. Coordinates of the first hole in each group: 1 X = 15 mm Y = 10 mm 2 X = 45 mm Y = 60 mm 3 X = 75 mm Y = 10 mm Spacing between holes Hole data: IX = 20 mm IY = 20 mm Countersinking ZC = 3 mm Ø = 7 mm Pecking ZP = 15 mm Ø = 5 mm Tapping ZT = 10 mm Ø = 6 mm Part program –3 –15 –20 Z 15 100 75 20 20 %S610I G71 * ............................................................ Begin program N10 G30 G17 X+0 Y+0 Z–20 * .................................. Define the workpiece blank N20 G31 G90 X+100 Y+100 Z+0 * N30 G99 T25 L+0 R+2.5 * ......................................... Tool definition for pecking N40 G99 T30 L+0 R+3 * ............................................ Tool definition for countersinking N50 G99 T35 L+0 R+3.5 * ......................................... Tool definition for tapping N60 T30 G17 S3000 * ................................................ Tool call for countersinking N70 G83 P01 –2 P02 –3 P03 –3 P04 0 P05 100 * ................................................................... Cycle definition for pecking N80 L1,0 * ................................................................. Call of subprogram 1 N90 T25 G17 S2500 * ................................................ Tool call for pecking N100 G83 P01 –2 P02 –25 P03 –10 P04 0 P05 150 * ................................................................... Cycle definition for pecking N110 L1,0 * ............................................................... Call of subprogram 1 N120 T35 G17 S100 * ................................................ Tool call for tapping N130 G84 P01 –2 P02 –15 P03 0.1 P04 100 * .......... Cycle definition for tapping N140 L1,0 * ............................................................... Call of subprogram 1 N150 Z+100 M02 * .................................................... Retract the tool; end of main program N160 G98 L1 * ........................................................... Beginning of subprogram 1 N170 G00 G40 G90 X+15 Y+10 M03 * ..................... Move to hole group 1 N180 Z+2 * ................................................................ Pre-position in the infeed axis N190 L2,0 * ............................................................... Call subprogram 2 N200 X+45 Y+60 * .................................................... Move to hole group 2 N210 L2,0 * ............................................................... Call subprogram 2 N220 X+75 Y+10 * .................................................... Move to hole group 3 N230 L2,0 * ............................................................... Call subprogram 2 N240 G98 L0 * ........................................................... End of subprogram 1 N250 G98 L2 * ........................................................... Beginning of subprogram 2 N260 G79 * N270 G91 X+20 M99 * .............................................. Machine holes by sequentially activating the three cycles N280 Y+20 M99 * N290 X–20 G90 M99 * N300 G98 L0 * ........................................................... End of subprogram 2 N9999 %S610I G71 * X TNC 360
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February 1994 HEIDENHAIN User's Man
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TNC Guideline: From workpiece drawi
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How to use this manual TNC 360 This
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Contents User's Manual TNC 360 ISO
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2 Manual Operation and Setup TNC 36
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4 Programming TNC 360 4.1 Editing P
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6 Subprograms and Program Section R
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8 Cycles TNC 360 8.1 General Overvi
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10 MOD Functions TNC 360 10.1 Selec
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1 Introduction 1.1 The TNC 360 1-2
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1 Introduction 1.1 The TNC 360 1-4
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1 Introduction 1.2 Fundamentals of
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1 Introduction 1.3 Switch-On 1-14 S
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1 Introduction 1.4 Graphics and Sta
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1 Introduction 1.4 Graphics and Sta
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1 Introduction 1.5 Programs Selecti
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2 Manual Operation and Setup 2.1 Mo
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2 Manual Operation and Setup 2.1 Mo
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2 Manual Operation and Setup 2.2 Sp
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2 Manual Operation and Setup 2.3 Se
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2 Manual Operation and Setup 2.4 3D
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2 Manual Operation and Setup 2.4 3D
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2 Manual Operation and Setup 2.6 Me
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2 Manual Operation and Setup 2.6 Me
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3 Test Run and Program Run 3.2 Prog
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3 Test Run and Program Run 3.2 Prog
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3 Test Run and Program Run 3.3 Bloc
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4 Programming 4.1 Editing Part Prog
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4 Programming 4.2 Tools TNC 360 Eac
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4 Programming 4.2 Tools Entering to
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4 Programming 4.2 Tools Calling too
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4 Programming 4.3 Tool Compensation
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4 Programming 4.3 Tool Compensation
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4 Programming 4.4 Program Creation
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Page 137 and 138: 7 Programming with Q Parameters 7.1
Page 155 and 156: 8 Cycles 8.1 General Overview of Cy
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Page 169 and 170: 8 Cycles 8.3 SL Cycles CONTOUR GEOM
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Page 175 and 176: 8 Cycles 8.3 SL Cycles 8-22 Subprog
Page 179 and 180: 8 Cycles 8.3 SL Cycles CONTOUR MILL
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8 Cycles 8.4 Cycles for Coordinate
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8 Cycles 8.5 Other Cycles DWELL TIM
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9 External Data Transfer 9-2 The TN
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9 External Data Transfer 9.3 Prepar
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10 MOD Functions 10.3 Entering the
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10 MOD Functions 10.7 Selecting the
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11 Tables, Overviews, Diagrams 11.1
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11 Tables, Overviews, Diagrams 11-2
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User's Manual ISO TNC 360 (260020xx, 280490xx) - heidenhain

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