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HEIDENHAIN TNC 320 (340 551-01) User Manual

Page 251

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HEIDENHAIN TNC 320

251

8.4 Cy

cles f

o

r Mac

h

ining P

o

int P

at

ter

ns

8

Starting point 1st axis

Q225 (absolute value):

Coordinate of the starting point in the reference axis
of the working plane.

8

Starting point 2nd axis

Q226 (absolute value):

Coordinate of the starting point in the minor axis of
the working plane.

8

Spacing in 1st axis

Q237 (incremental value):

Spacing between each point on a line.

8

Spacing in 2nd axis

Q238 (incremental value):

Spacing between each line.

8

Number of columns

Q242: Number of machining

operations on a line.

8

Number of lines

Q243: Number of passes.

8

Angle of rotation

Q224 (absolute value): Angle by

which the entire pattern is rotated. The center of
rotation lies in the starting point.

8

Set-up clearance

Q200 (incremental value): Distance

between tool tip and workpiece surface.

8

Workpiece surface coordinate

Q203 (absolute

value): Coordinate of the workpiece surface.

8

2nd set-up clearance

Q204 (incremental value):

Coordinate in the tool axis at which no collision
between tool and workpiece (clamping devices) can
occur.

8

Moving to clearance height

Q301: Definition of how

the tool is to move between machining processes.
0: Move to the set-up clearance between operations.
1: Move to the 2nd set-up clearance between the
measuring points.

Example: NC blocks

54 CYCL DEF 221 CARTESIAN PATTERN

Q225=+15

;STARTING PNT 1ST AXIS

Q226=+15

;STARTING PNT 2ND AXIS

Q237=+10

;SPACING IN 1ST AXIS

Q238=+8

;SPACING IN 2ND AXIS

Q242=6

;NUMBER OF COLUMNS

Q243=4

;NUMBER OF LINES

Q224=+15

;ANGLE OF ROTATION

Q200=2

;SET-UP CLEARANCE

Q203=+30

;SURFACE COORDINATE

Q204=50

;2ND SET-UP CLEARANCE

Q301=1

;MOVE TO CLEARANCE