Heidenhain MANUALplus 4110 User Manual Page 313
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6.11 Contour-Based Turning Cycles
Longitudinal contour roughing with recessing
G819
The cycle machines the contour area described by the current tool
position and the data defined in the subsequent blocks in a longitudinal
direction with recessing (see “Contour definition” on page 310).
Parameters
X cutting limit (diameter value): The control machines up to the
cutting limit.
P maximum infeed: The proportioning of cuts is calculated so that an
"abrasive cut" is avoided and the infeed distance is <= P.
E plunge feed: The tool enters the material at the plunge feed E.
E=0: Descending contours are not machined.
No entry: The steeper the tool plunges into the material, the
greater the feed rate decrease (max. 50%).
H type of departure (default: 1):
H=0: Machine contour outline after each pass.
H=1: Retract at 45°; machine contour outline after last pass.
H=2: Retract at 45°; do not machine contour outline.
I oversize X (diameter value)—(default: 0)
K oversize Z (default: 0)
Note on the execution of the cycle:
MANUALplus automatically determines the cutting and infeed
directions from the current tool position relative to the starting point
/ end point of the contour area.
Tool position at the end of the cycle: Cycle starting point
Example: G819
%819.nc
[G819]
N1 T3 G95 F0.25 G96 S200 M3
N2 G0 X120 Z2
N3 G819 P5 I1 K0.3
N4 G0 X80 Z2
N5 G1 Z-15 B-1
N6 G1 X102 B2
N7 G1 Z-22
N8 G1 X90 Zi-12 B1
N9 G1 Zi-6
N10 G1 X100 A80 B-1
N11 G1 Z-47
N12 G1 X120
N13 G80
END
The tool must be located outside the defined contour
area.
Cutting radius compensation: Active.
G57/G58 oversizes are taken into account if I/K is not
programmed. After the cycle has been executed, the
oversizes are canceled.
Safety clearance after each step: Parameter "Current
parameters—Machining—Safety distances."
Danger of collision!
If the tool angle and the tool point angle have not been
defined, the tool plunge-cuts at the plunging angle. If the
tool and point angles have been defined, the tool plunge-
cuts at the maximum possible plunging angle. In this
case, the resulting contour will not be completely finished
and may need to be reworked.
- MANUALplus 1
- Functions 2
- Contents 3
- 2 Basics of Operation 31 6
- 4 Cycle Programming 79 8
- 5 ICP Programming 241 11
- 6 DIN Programming 277 12
- 7 Tool Management Mode 411 16
- 9 Examples 457 17
- 10 Tables and Overviews 523 17
- Introduction and 19
- Fundamentals 19
- 1.1 The MANUALplus 20
- 1.2 Features 21
- 1.3 MANUALplus Design 22
- 1.4 Axis Designations and 25
- Coordinate System 25
- Absolute coordinates 26
- Incremental coordinates 26
- Polar coordinates 26
- 1.5 Machine Reference Points 27
- 1.6 Tool Dimensions 28
- Basics of Operation 31
- 2.1 The MANUALplus Screen 32
- 2.1 The MANUALplus 32
- 2.2 Operation and Data Input 33
- 2.3 Error Messages 36
- 2.4 Explanation of Terms 39
- Machine Mode of Operation 41
- 3.1 Machine Mode of Operation 42
- 3.2 Switch-On / Switch-Off 43
- 3.3 Machine Data 46
- 3.4 Machine Setup 50
- 3.5 Setting up Tools 54
- 3.6 Manual Mode 60
- 3.7 Teach-In Mode 62
- 3.8 Program Run Mode 63
- 3.9 Graphic Simulation 68
- 3.10 Time Calculation 74
- 3.11 Program Management 75
- 3.13 Inch Mode 78
- Cycle Programming 79
- 4.1 Working with Cycles 80
- 4.2 Workpiece Blank Cycles 85
- 4.3 Single Cut Cycles 88
- 4.4 Roughing Cycles 100
- 4.5 Recessing cycles 129
- 4.6 Thread and Undercut 162
- Check the thread 164
- Press Last cut 164
- Activate Cycle Start 164
- Thread cycle (longitudinal) 165
- Tapered thread 168
- API thread 170
- Recut (longitudinal) thread 172
- Recut tapered thread 176
- Recut API thread 178
- Undercut DIN 76 180
- Undercut DIN 509 E 182
- Undercut DIN 509 F 184
- 4.7 Drilling Cycles 190
- 4.8 Milling Cycles 201
- 4.9 Drilling/Milling Patterns 227
- 4.10 DIN Cycles 239
- ICP Programming 241
- 5.1 ICP Contours 242
- 5.2 Editing ICP Contours 243
- 5.3 Importing of DXF Contours 250
- Contours 254
- Adding a contour element 257
- Deleting a contour element 257
- Superimposing form elements 259
- Entering form elements 263
- B chamfer width—or 264
- B rounding radius 264
- F special feed 264
- Undercuts, turning contour 265
- Entering lines on the face 269
- Lateral Surface 272
- DIN Programming 277
- 6.1 DIN Programming 278
- 6.2 Editing DIN Programs 281
- Chuck part, cylinder/tube G20 288
- Workpiece blank contour G21 289
- 6.4 Tool Positioning without 290
- Machining 290
- Tool change point G14 291
- Movements 292
- Speed limitation G26/G126 297
- Interrupted feed G64 297
- Feed per tooth G193 298
- Feed per revolution G95/G195 298
- Spindle speed G97/G197 299
- Compensation 300
- G40: Switch off TRC/MCRC 301
- G41/G42: Switch on TRC/MCRC 301
- 6.8 Compensation Values 302
- 6.9 Zero Point Shifts 305
- 6.10 Oversizes 308
- Contour definition 310
- End of cycle G80 310
- K oversize Z (default: 0) 311
- Contour finishing G89 318
- 6.12 Simple Turning Cycles 319
- 6.13 Recessing Cycles 324
- 6.14 Recess-Turning Cycles 331
- 6.15 Thread Cycles 335
- 6.16 Undercut Cycles 344
- 6.17 Parting Cycle 353
- 6.18 Drilling Cycles 354
- 6.19 C-Axis Commands 359
- 6.20 Face Machining 360
- Reference diameter G120 371
- Z end point 372
- C end angle 372
- Helical-slot milling G798 379
- Z center point 380
- R radius of circle 380
- 6.22 Pattern Machining 383
- 6.23 Other G Functions 391
- 6.24 Set T, S, F 392
- 6.24 Set T, S, F 392
- 6.26 Programming Variables 396
- WHILE (program repeat) 402
- 6.28 Variables as Address 403
- Parameters 403
- 6.29 Subprograms 406
- 6.30 M Functions 408
- Tool Management 411
- 7.1 Tool Management Mode of 412
- Operation 412
- Tool life management 413
- 7.2 Tool Organization 414
- 7.3 Tool Texts 416
- 7.4 Tool Data 418
- 7.5 Tool Data— 426
- Supplementary 426
- Organization Mode of 429
- 8.1 Organization Mode of 430
- 8.2 Parameters 431
- 8.3 Transfer 441
- 8.4 Service and Diagnosis 453
- Examples 457
- 9.1 Working with MANUALplus 458
- Contour element 3 511
- 9.6 DIN Programming Example 516
- "Threaded Stud" 516
- 9.7 DIN Programming Example 519
- "Milling Cycle" 519
- Tables and Overviews 523
- 10.1 Thread Pitch 524
- 10.2 Undercut Parameters 525
- 10.3 Technical Information 528
- 10.4 Peripheral Interface 532
- Overview of G functions 543
- Overview of G functions 543
- Overview of Cycles 547
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