Programming technology functions (cycles)
9.1 Drilling
Turning
312 Operating Manual, 01/2015, 6FC5398-8CP40-5BA2
Deep-hole drilling 2 (CYCLE830)
Function
The cycle "Deep-hole drilling 2" covers the complete functionality of "Deep-hole drilling 1".
in addition, the cycle provides the following functions:
● Predrilling with reduced feedrate
● Taking into account a pilot hole
● Soft first cut when entering the material
● Drilling to the final depth in one cut
● Through drilling with reduced feedrate
● Control for switching-in and switching-out the coolant
For simple machining operations, you have the option to reduce the wide variety of
parameters to the most important parameters using the "Input" selection field. In this "Input
simple" mode, the hidden parameters are allocated a fixed value that cannot be adjusted.
Various defined values can be pre
-assigned using setting data.
Please refer to the machine manufacturer's specifications.
If the workpiece programming requires it, you can display and change all of the parameters
using "Input complete".
Approach/retraction during chipbreaking
1. The tool moves with G0 to safety clearance of the reference point.
2. The tool drills with the programmed spindle speed and feedrate F = F · FD1 [%] up to the
1st infeed depth.
3. Dwell time at drilling depth DTB.
4. The tool is retracted by retraction distance V2 for chipbreaking and drills up to the next
infeed depth with programmed feedrate F.
5. Step 4 is repeated until the final drilling depth Z1 is reached.
6. Dwell time at final drilling depth DT.
7. The tool retracts to the retraction plane at rapid traverse.
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