Tapping (Cycle84, 840); Function - Siemens SINUMERIK 840D sl Operating Manual

Parameter Description
Lift mode
Do not lift off contour
•
The cutting edge is not fully retracted, but traverses back to the retraction plane.
Lift
•
The cutting edge retracts from the edge of the hole and then retracts to the safety
clearance from the reference point and then positions at the retraction plane and
hole center point.
DX (only G Code) Retraction distance in the X direction (incremental) - (for lift only)
DY (only G code) Retraction distance in the Y direction (incremental) - (for lift only)
DZ (only G code) Retraction distance in the Z direction (incremental) - (for lift only)
D (only ShopMill) Retraction distance (incremental) - (for lift only)
8.1.7

Tapping (CYCLE84, 840)

8.1.7.1

Function

Function
You can machine an internal thread with the "tapping" cycle.
The tool moves to the safety clearance with the active speed and rapid traverse. The spindle
stops, spindle and feedrate are synchronized. The tool is then inserted in the workpiece with
the programmed speed (dependent on %S).
You can choose between drilling in one cut, chipbreaking or retraction from the workpiece for
stock removal.
Depending on the selection in the "Compensating chuck mode" field, alternatively the
following cycle calls are generated:
● With compensating chuck: CYCLE840
● Without compensating chuck: CYCLE84
When tapping with compensating chuck, the thread is produced in one cut. CYCLE84
enables tapping to be performed in several cuts, when the spindle is equipped with a
measuring system.
Milling
Operating Manual, 03/2013, 6FC5398-7CP40-3BA1
Programming technological functions (cycles)
8.1 Drilling
Unit
mm
mm
mm
mm
311