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Siemens SINUMERIK 828D Programming Manual

Siemens SINUMERIK 828D
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User stock removal programs
15.4 Determine point of intersection between two contour elements (INTERSEC)
Job planning
Programming Manual, 07/2010, 6FC5398-2BP40-0BA0
703
The values defined with CONTPRON must be observed when transferring the contours:
Parameter Significance
2 Coding of contour mode for the movement
3 Contour start point abscissa
4 Contour start point ordinate
5 Contour end point abscissa
6 Contour end point ordinate
9 Center point coordinates for abscissa (only for circle contour)
10 Center point coordinates for ordinate (only for circle contour)
Example
Calculate the intersection of contour element 3 in table TABNAME1 and contour element 7 in
table TABNAME2. The intersection coordinates in the active plane are stored in the variables
ISCOORD (1st element = abscissa, 2nd element = ordinate). If no intersection exists, the
program jumps to NOCUT (no intersection found).
Program code Comments
DEF REAL TABNAME1[12,11] ; Contour table 1
DEF REAL TABNAME2[10,11] ; Contour table 2
DEF REAL ISCOORD [2] ; Variable for the point of
intersection coordinates.
DEF BOOL ISPOINT ; Variable for the intersection
status.
DEF INT MODE ; Variable for machining type.
…
MODE=1 ; Calculation independent of the
active plane.
N10 ISPOINT=INTERSEC(TABNAME1[3],TABNAME2[7],ISCOORD,MODE) ; Call point of intersection of
the contour elements.
N20 IF ISPOINT==FALSE GOTOF NOCUT ; Jump to NOCUT
…

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Siemens SINUMERIK 828D Specifications

General IconGeneral
Control TypeCNC
Operating SystemWindows Embedded
ProcessorIntel Atom
Display10.4" color TFT display
InterfacesEthernet, USB
ProgrammingShopMill, ShopTurn
Operation Panel Size10.4"
Protection ClassIP65
PLC Memory2 MB
Spindle Capacity4 spindles
Hard DriveCompactFlash

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