5 geometry commands – HEIDENHAIN CNC Pilot 4290 User Manual
Page 96

4 DIN PLUS
84
4.5.2 Basic Contour Elements
Starting point of turning contour G0 Geo
Starting point of a turning contour.
Parameters
X, Z: Starting point of the contour (X diameter)
4.5
Geometry Commands
4.5.1 Definition of Blank
Chuck piece: bar/tube G20 Geo
Contour of a cylinder/hollow cylinder.
Parameters
X:
■
Diameter of a cylinder hollow cylinder
■
Diameter of circumference of a polygonal blank
Z:
Length of blank
K:
Right edge (distance between workpiece zero point and right
edge)
I:
Inside diameter for hollow cylinders
4.5 Geometry Commands
Cast part G21 Geo
Generates the workpiece blank contour from the finished part contour
– plus the ”equidistant allowance P.”
Parameters
P:
Equidistant finishing allowance (reference: finished part contour)
Q:
Bore holes yes/no – default: Q=0
■
Q=0: Without bore holes
■
Q=1: With bore holes