Reference section
7.1
© Siemens AG All rights reserved. SINUMERIK, Manual, 5-axis machining
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7.1 Overview of higher-order functions
Higher-order functions of the SINUMERIK control system are summarized on the following
pages. This provides you with an overview of the commands that go beyond the requirements
laid down in DIN 66025 and that facilitate significant improvements in the area of 5-axis machin-
ing.
Motion commands
Language elements with circular interpolation programming
840D spline types
CIP Circular interpolation using intermediate point
CIP X... Y... Z... I1=... J1=... K1=...
CT Circle with tangential transition
CT X... Y... Z...
TURN Number of full circles to be traversed
G3 X… Y… I… J… TURN =
CR=
Additional parameters:
Circle radius
I1, J1, K1 Intermediate points in Cartesian coordinates (in X, Y, Z direction)
AP=
RP=
AR=
End point in polar coordinates, polar angle, also in the case of linear
interpolation
End point in polar coordinates, polar radius, also in the case of linear
interpolation
Opening angle
CSPLINE
ASPLINE
Activation of cubic interpolating spline
Activation of Akima spline
Start and end condition
BNAT/ENAT zero curvature
BTAN/ETAN tangential transition
BAUTO/EAUTO C3-constant at first and last spline segment transition
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