Heidenhain MANUALplus 4110 User Manual Page 178
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178 4 Cycle Programming
4.6 Thread and Undercut Cycles
Recut API thread
Call the thread-cutting menu.
Select "API thread."
Press the Recut soft key.
Inner thread soft key
On: Internal thread
Off: External thread
The cycle recuts a single or multi-start API external or internal thread.
Since you have already unclamped the workpiece, MANUALplus
needs to know the exact position of the thread. For this, place the
cutting edge of the tap drill in the center of a groove and transfer the
positions to the parameters C and ZC by pressing the Take over
position soft key. From these values the cycle then calculates the
angle of the spindle at the starting point Z.
Cycle parameters
X1, Z1 starting point of thread (without run-in)
X2, Z2 end point of thread (without run-out)
C measured angle
ZC measured position
F1 thread pitch (= feed rate)
U thread depth
No input: Depth is calculated
External thread: U=0.6134*F1
Internal thread: U=–0.5413*F1
I 1st cutting depth
I<U: First cut with cutting depth I—further cuts: Reduction of
cutting depth down to J.
I=U: One cut
No input: Calculation from U and F1
A feed angle (default: 30°):
Range: –60° < A < 60°
A<0: Infeed on left thread flank
A>0: Infeed on right thread flank
W taper angle: Range: –45° < W < 45°
WE run-out angle: Range: 0° < WE < 90°
J remaining cutting depth—default: 1/100 mm
- 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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