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Turning | Basic functions (option 50)
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HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
679
Program spindle speed
Refer to your machine manual.
If you machine at constant cutting speed, the selected
gear range limits the possible spindle speed range.
The possible gear ranges (if applicable) depend on your
machine.
With turning you can machine both at constant spindle speed and
constant cutting speed.
If you machine at constant cutting speed
VCONST:ON
, the control
modifies the speed according to the distance of the tool tip to the
center of the turning spindle. For positioning movements toward
the center of rotation, the control increases the table speed; for
movements away from the center of rotation, it reduces the table
speed.
For processing with constant spindle speed
VCONST:Off
, speed is
independent of the tool position.
Use
FUNCTION TURNDATA SPIN
to define the speed. The control
provides the following input parameters:
VCONST: Constant cutting speed on/off (obligatory)
VC: Cutting speed (optional)
S: Nominal speed if no constant cutting speed is active
(optional)
S MAX: Maximum speed with constant cutting speed (optional).
Reset with S MAX 0
GEARRANGE: Gear range for the turning spindle (optional)
Summary of Contents for TNC 640
Page 4: ......
Page 5: ...Fundamentals ...
Page 36: ...Contents 36 HEIDENHAIN TNC 640 Conversational Programming User s Manual 10 2017 ...
Page 67: ...1 First Steps with the TNC 640 ...
Page 90: ......
Page 91: ...2 Introduction ...
Page 130: ......
Page 131: ...3 Operating the Touchscreen ...
Page 144: ......
Page 145: ...4 Fundamentals File Management ...
Page 206: ......
Page 207: ...5 Programming Aids ...
Page 236: ......
Page 237: ...6 Tools ...
Page 281: ...7 Programming Contours ...
Page 333: ...8 Data Transfer from CAD Files ...
Page 355: ...9 Subprograms and Program Section Repeats ...
Page 374: ......
Page 375: ...10 Programming Q Parameters ...
Page 478: ......
Page 479: ...11 Miscellaneous Functions ...
Page 501: ...12 Special Functions ...
Page 584: ......
Page 585: ...13 Multiple Axis Machining ...
Page 650: ......
Page 651: ...14 Pallet Management ...
Page 664: ......
Page 665: ...15 Batch Process Manager ...
Page 673: ...16 Turning ...
Page 713: ...17 Manual Operation and Setup ...
Page 797: ...18 Positioning with Manual Data Input ...
Page 803: ...19 Test Run and Program Run ...
Page 843: ...20 MOD Functions ...
Page 881: ...21 Tables and Overviews ...