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HEIDENHAIN TNC 426 B

HEIDENHAIN TNC 426 B
362 pages
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Contents
Contents
X
9 PROGRAMMING: SUBPROGRAMS AND PROGRAM SECTION REPEATS ..... 239
9.1 Marking Subprograms and Program Section Repeats ..... 240
9.2 Subprograms ..... 240
9.3 Program Section Repeats ..... 241
9.4 Program as Subprogram ..... 242
9.5 Nesting ..... 243
Subprogram within a subprogram ..... 243
Repeating program section repeats ..... 244
Repeating a subprogram ..... 245
9.6 Programming Examples ..... 246
Example: Milling a contour in several infeeds ..... 246
Example: Groups of holes ..... 247
Example: Groups of holes with several tools ..... 248
10 PROGRAMMING: Q PARAMETERS ..... 251
10.1 Principle and Overview ..... 252
10.2 Part Families — Q Parameters in Place of Numerical Values ..... 254
10.3 Describing Contours Through Mathematical Functions ..... 255
10.4 Trigonometric Functions ..... 257
10.5 Calculating Circles ..... 258
10.6 If-Then Decisions with Q Parameters ..... 259
10.7 Checking and Changing Q Parameters ..... 260
10.8 Additional Functions ..... 261
10.9 Entering Formulas Directly ..... 270
10.10 Preassigned Q Parameters ..... 273
10.11 Programming Examples ..... 276
Example: Ellipse ..... 276
Example: Concave cylinder machined with spherical cutter ..... 278
Example: Convex sphere machined with end mill ..... 280
11 TEST RUN AND PROGRAM RUN ..... 283
11.1 Graphics ..... 284
11.2 Functions for Program Display in Program Run and Test Run ..... 289
11.3 Test run ..... 289
11.4 Program Run ..... 291
11.5 Optional block skip ..... 296
CINHALT.PM6 30.06.2006, 07:0310
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