Siemens SINUMERIK 840D sl Operating Manual page 166

Machining the workpiece
4.13 Mold making view
NC blocks that can be interpreted
Following NC blocks are supported for the mold building view.
● Types
● Orientation
● G codes
Following NC blocks are not supported for the mold making view.
● Helix programming
● Rational polynomials
● Other G codes or language commands
All blocks that cannot be interpreted are simply ignored
166
– Lines
G0, G1 with X Y Z
– Circles
G2, G3 with center point I, J, K or radius CR, depending on the working plane G17,
G18, G19, CIP with circular point I1, J1, K1 or radius CR
– Polynomial
POLY with X, Y, Z or PO[X] PO[Y] PO[Z]
– B-splines
BSPLINE with degree SD (SD < 6) node PL weights PW
– Absolute data AC and incremental data IC are possible
– For G2, G3 and different radii at the start and end, an Archimedes spiral is used
– Rotary axis programming with ORIAXES or ORIVECT using ABC for G0, G1, G2, G3,
CIP, POLY
– Rotary axis programming with ORIAXES or ORIVECT using PO[A] POS[b] PO[C] for
POLY
– Orientation vector programming with ORIVECT using A3, B3, C3 for G0, G1, G2, G3,
CIP
– Orientation curve with ORICURVE using XH, YH, ZH, for G0, G1, G2, G3, CIP, POLY,
BSPLINE
– Orientation curve with ORICURVE using PO[XH] PO[YH] PO[ZH] for POLY
– Rotary axes can be specified using DC
– Working planes (for circle definition G2, G3): G17 G18 G19
– Incremental or absolute data: G90 G91
Operating Manual, 03/2013, 6FC5398-8CP40-3BA1
Turning