Siemens SINUMERIK 840D sl Programming Manual page 384

Transformations
6.2 Three, four and five axis transformation (TRAORI)
Programming of circles in a plane G2/G3, CIP and CT
The extended orientation corresponds to the interpolation of circles in a plane. For the
corresponding programming options for circles with centers or radii such as G2/G3, circle via
intermediate point CIP and tangential circles CT, see
References: Programming Manual Fundamentals, "Programming motion commands".
Orientation programming
Interpolation of the orientation vector on the peripheral surface of a taper ORICONxx
Four different types of interpolation from G-code group 51 can be selected for interpolating
orientations on the peripheral surface of a taper:
1. Interpolation on the outside of a taper in the clockwise direction ORICONCW with
2. Interpolation on the outside of a taper in the counterclockwise direction ORICONCCW with
3. Interpolation on the outside of a taper ORICONIO with specification of end orientation and
4. Interpolation on the outside of a taper ORICONTO with tangential transition and
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specification of end orientation and taper direction, or opening angle. The direction vector
is programmed with identifiers A6, B6, C6 and the opening angle of the taper with
identifier NUT= value range in interval 0 degrees to 180 degrees.
specification of end orientation and taper direction, or opening angle. The direction vector
is programmed with identifiers A6, B6, C6 and the opening angle of the taper with
identifier NUT= value range in interval 0 degrees to 180 degrees.
an intermediate orientation, which is programmed with identifiers A7, B7, C7.
specification of end orientation. The direction vector is programmed with identifiers A6,
B6, C6.
Programming Manual, 06/2009, 6FC5398-2BP20-0BA0
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