Programming technology functions (cycles)
9.1 Drilling
Turning
Operating Manual, 01/2015, 6FC5398-8CP40-5BA2
309
Drilling depth
• Shank (drilling depth in relation to the shank)
The drill is inserted into the workpiece until the drill shank reaches the value pro-
grammed for Z1. The angle entered in the tool list is taken into account.
• Tip (drilling depth in relation to the tip)
The drill is inserted into the workpiece until the drill tip reaches the value pro-
grammed for Z1.
If it is not possible to define an angle for the drill in the tool management, it will
not be possible to select tip or shank (always tip, 0 field).
Z1
Drilling depth (abs) or drilling depth in relation to Z0 (inc).
It is inserted into the workpiece until it reaches Z1.
mm
D
First drilling depth (abs) or first drilling depth in relation to Z0 (inc). mm
D (only for Shop-
Maximum depth infeed. mm
Percentage for the feedrate at the first infeed.
DF
Infeed:
• Degression amount by which each additional infeed is reduced.
• Percentage for each additional infeed.
DF = 100%: Infeed increment remains constant.
DF < 100%: Infeed increment is reduced in direction of final drilling depth.
Last infeed was 4 mm; DF is 80%
Next infeed = 4 x 80% = 3.2 mm
Next infeed = 3.2 x 80% = 2.56 mm, etc.
mm
%
V1 Minimum infeed - (only for DF in %)
Parameter V1 is only available if DF<100 has been programmed.
If the infeed increment becomes very small, a minimum infeed can be programmed in
parameter "V1".
V1 < Infeed increment: The tool is inserted by the infeed increment.
V1 > Infeed increment: The tool is inserted by the infeed value programmed under V1.
mm
V2 Retraction distance after each machining step – (for chip breaking only).
Distance by which the drill is retracted for chip breaking.
V2 = 0: The tool is not retracted but is left in place for one revolution.
mm
Clearance dis-
tance (for swarf
removal only)
• Manual
The clearance distance must be entered manually.
• Automatic
The clearance distance is calculated by the cycle.
V3 Clearance distance – (for swarf removal only and manual limit distance)
Distance to the last infeed depth that the drill approaches in rapid traverse after swarf
mm
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