Siemens SINUMERIK 840D sl Programming Manual page 594

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Table of Contents

User stock removal programs

14.2 Contour preparation (CONTPRON)

Example 2: Creating curve table

Create a contour table with

• name KTAB,

• up to 92 contour elements (circles, straight lines),

• mode: Longitudinal turning, external machining,

• preparation forwards and backwards.

NC parts program

N10 DEF REAL KTAB[92,11]

N20 CHAR BT="L"

N30 DEF INT HE=0

N40 DEF INT MODE=1

N50 DEF INT ERR=0

N100 G18 X100 Z100 F1000

N105 CONTPRON (KTAB, BT, HE, MODE)

N110 G1 G90 Z20 X20

N140 G2 Z-15 X30 K=AC(-15) I=AC(45)

N150 G1 Z-30

N180 EXECUTE(ERR)

;Contour table named KTAB and, for example,

;a maximum of 92 contour elements

;parameter value 11 is a fixed quantity

;Mode for CONTPRON:

;longitudinal turning, external machining

;Number of relief cut elements=0

;Preparation forwards and backwards

;Error checkback message

;Contour preparation call

;Terminate filling of contour table,

;switch to normal program execution

Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0

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