204 Fixed Cycles: Contour Pocket, Contour Trains
7.10 CONTOUR DATA (Cycle 270, DIN/ISO: G270)
Cycle parameters
U Type of approach/departure Q390: Definition of the
type of approach or departure.
îš„ Q390 = 1:
Approach the contour tangentially on a circular arc.
îš„ Q390 = 2:
Approach the contour tangentially on a straight line.
îš„ Q390 = 3:
Approach the contour at a right angle.
U Radius compensation (0=R0/1=RL/2=RR) Q391:
Definition of the radius compensation:
îš„ Q391 = 0:
Machine the defined contour without radius
compensation
îš„ Q391 = 1:
Machine the defined contour with compensation to
the left
îš„ Q391 = 2:
Machine the defined contour with compensation to
the right
U Approach/departure radius Q392: Only in effect if
tangential approach on a circular path was selected.
Radius of the approach/departure arc. Input range 0 to
99999.9999
U Center angle Q393: Only in effect if tangential
approach on a circular path was selected. Angular
length of the approach arc. Input range 0 to
99999.9999
U Distance to auxiliary point Q394: Only in effect if
tangential approach on a straight line or right-angle
approach was selected. Distance to the auxiliary point
from which the TNC is to approach the contour. Input
range 0 to 99999.9999
Example: NC blocks
62 CYCL DEF 270 CONTOUR TRAIN DATA
Q390=1 ;TYPE OF APPROACH
Q391=1 ;RADIUS COMPENSATION
Q392=3 ;RADIUS
Q393=+45 ;CENTER ANGLE
Q394=+2 ;DISTANCE
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