Programming and Operating Manual (Turning)
01/2017
153
Explanation of the parameters
RFP and RTP (reference plane and retraction plane)
Normally, reference plane (RFP) and return plane (RTP) have different values. The cycle assumes that the retraction plane
precedes the reference plane. This means that the distance from the retraction plane to the final drilling depth is larger than
the distance from the reference plane to the final drilling depth.
The safety clearance (SDIS) acts with reference to the reference plane. This is brought forward by the safety clearance.
The direction in which the safety clearance is active is automatically determined by the cycle.
DP and DPR (final drilling depth)
The final drilling depth can be specified either absolute (DP) or relative (DPR) to the reference plane.
With relative specification, the cycle will calculate the resulting depth automatically using the positions of reference and
retraction planes.
See the following illustration for final drilling depth:
Note
If a value is entered both for DP and for DPR, the final drilling depth is
derived from DPR. If this differs from the absolute
depth programmed via DP, the message "Depth: Corresponding to value for relative depth" is output in the message line.
If the values for reference and retraction planes are identical, a relative depth sp
ecification is not permitted. The error
message 61101 "Reference plane defined incorrectly" is output and the cycle is not executed. This error message is also
output if the retraction plane is located after the reference plane, i.e. its distance to the fi
nal drilling depth is smaller.
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