Siemens SINUMERIK 840D sl Programming Manual page 383

Example of different changes to orientation
...
N10 G1 X0 Y0 F5000
N20 TRAORI(1)
N30 ORIVECT
...
N40 ORIPLANE
N50 A3=0 B3=0 C3=1
N60 A3=0 B3=1 C3=1
...
N70 ORICONCW
N80 A6=0 B6=0 C6=1 A3=0 B3=0 C3=1
N90 A6=0 B6=0 C6=1
Description
If changes of orientation along the peripheral surface of a taper anywhere in space are to be
described, the vector about which the tool orientation is to be rotated must be known. The
start and end orientation must also be specified. The start orientation results from the
previous block and the end orientation has to be programmed or defined via other
conditions.
Programming in the ORIPLANE plane corresponds to ORIVECT
The programming of large-radius circular interpolation together with angle polynomials
corresponds to the linear and polynomial interpolation of contours. The tool orientation is
interpolated in a plane that is defined by the start and end orientation. If additional
polynomials are programmed, the orientation vector can also be tilted out of the plane.
Job Planning
Programming Manual, 06/2009, 6FC5398-2BP20-0BA0
6.2 Three, four and five axis transformation (TRAORI)
; Orientation transformation on.
; Interpolate tool orientation as a
vector.
; Tool orientation in the plane.
; Select large-radius circular
interpolation.
; Orientation in the Y/Z plane is rotated
through 45 degrees, orientation (0,1,
2,1/√2, 1/√2) is reached at the end of
the block.
; Orientation programming on the outside
of the taper:
; The orientation vector is interpolated
on the outside of a taper with the
direction (0,0,1) up to the orientation
(1/√2,0,1/√2) in the clockwise sense,
the angle of rotation is 270 degrees.
; The tool orientation goes through a
full revolution on the outside of the
same taper.
Transformations
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