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HEIDENHAIN TNC 620 (340 56x-03) Cycle programming User Manual

Page 163

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HEIDENHAIN TNC 620

163

6.2 CIR

C

ULAR P

A

T

TERN (Cy

c

le 220, DIN/ISO: G220, A

d

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a

nced Pr

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mming

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e

at

ur

es Sof

tw

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re

Option)

8

Set-up clearance Q200 (incremental): Distance

between tool tip and workpiece surface. Input range
0 to 99999.9999

8

Workpiece surface coordinate Q203 (absolute):

Coordinate of the workpiece surface. Input range
-99999.9999 to 99999.9999

8

2nd set-up clearance Q204 (incremental): Coordinate

in the spindle axis at which no collision between tool
and workpiece (fixtures) can occur. Input range 0 to
99999.9999

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
machining operations.

8

Type of traverse? Line=0/Arc=1 Q365: Definition of

the path function with which the tool is to move
between machining operations.
0: Move between operations on a straight line
1: Move between operations on the pitch circle

Example: NC blocks

53 CYCLE DEF 220 POLAR PATTERN

Q216=+50

;CENTER IN 1ST AXIS

Q217=+50

;CENTER IN 2ND AXIS

Q244=80

;PITCH CIRCLE DIA.

Q245=+0

;STARTING ANGLE

Q246=+360 ;STOPPING ANGLE

Q247=+0

;STEPPING ANGLE

Q241=8

;NUMBER OF OPERATIONS

Q200=2

;SET-UP CLEARANCE

Q203=+30

;SURFACE COORDINATE

Q204=50

;2ND SET-UP CLEARANCE

Q301=1

;MOVE TO CLEARANCE

Q365=0

;TYPE OF TRAVERSE

X

Z

Q200

Q203

Q204

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