Finish Thread (Option) - Siemens SINUMERIK 840C Operator's Manual

01.99
4.2.4.7

Finish thread (option)

F in ish /Set-
up thread
Operating
sequence
Note
© Siemens AG 1999 All Rights Reserved
SINUMERIK 840C, OEM Version for Windows (BA)
Press the ETC key to expand the softkey bar.
With this function you can load a thread that has been already cut and finish it.
Only threads with constant pitch can be finished.
• Load workpiece.
• Position the tool on the thread in such a way that the tip of the tool
corresponds to the thread root.
• Press the ''STORE POSIT." softkey.
• The "Offset angle" and the "Starting angle (G92A)" are thus set to zero.
• NC program start (Automatic or MDA).
The offset angle is calculated and allowed for with the first thread set. The
offset angle is considered until it is set to zero by pressing the DELETE
OFFSET ANGLE softkey.
Fig. 4-3 Finish thread
The offset angle is not retained after POWER ON.
Maximum value: 359.99999 degrees
10 -5 degrees, without sign
Resolution:
Tool
6FC5198-6AA60-0BP1
4 Machine
Turning part
4-19