HEIDENHAIN MANUALplus 620 79
2.5 Units—Drilling in C axis
"ICP tapping, C axis" unit
The unit machines a single tap hole or a tapping pattern on the face or
lateral surface. Using ICP, you define the tap holes as well as further
details.
Unit name: G73_ICP_C / Cycle: G73 (see page 296)
Use the retraction length for floating tap holders. The cycle
calculates a new nominal pitch on the basis of the thread depth, the
programmed pitch, and the retraction length. The nominal pitch is
somewhat smaller than the pitch of the tap. During tapping, the tap is
pulled away from the chuck by the retraction length. With this method
you can achieve higher service life from taps.
Access to the technology database:
Machining operation: Tapping
Affected parameter: S
Pattern form
FK see page 48
APP Approach: see page 51
DEP Departure: see page 51
Cycle form
F1 Thread pitch
B Run-in length
L Retraction length when using floating tap holders
(default: 0)
SR Return speed (default: Tapping speed)
RB Return plane
Further forms: see page 46