Operation Manual

146

4.5 Definition of Workpiece Blank

Chuck piece: bar/tube G20-Geo

G20 defines the contour of a cylinder/hollow cylinder.

Casting G21-Geo

G21 generates the contour of the blank part from the contour of the

finished part—plus the equidistant oversize P.

Example: G20-Geo

. . .

ROHTEIL [WORKPIECE BLANK]

N1 G20 X80 Z100 K2 I30 [hollow cylinder]

. . .

Parameters

X  Cylinder/hollow cylinder diameter

 Diameter of circumference of a polygonal blank

Z Length of the blank

K Right edge (distance between workpiece zero point and right

edge)

I Inside diameter of hollow cylinders

Example: G21-Geo

. . .

ROHTEIL [WORKPIECE BLANK]

N1 G21 P5 Q1 [cast blank]

. . .

FERTIGTEIL [FINISHED PART]

N2 G0 X30 Z0

N3 G1 X50 B-2

N4 G1 Z-40

N5 G1 X65

N6 G1 Z-70

. . .

Parameters

P Equidistant oversize (reference: finished part contour)

Q Hole Yes/No (default: 0)

 Q=0: Without hole

 Q=1: With hole