Contour mode in the NC program

Contouring is activated by the G functions G61 (blockwise) or G261 (modal) after parameterising the corresponding contouring mode.

Programming Example

Activating contour modes in the NC program

%Contour_on_off

N10 G90 G01 X0 Y0 Z0 A0 C0 F60

N20 #CONTOUR MODE ON [DEV PATH_DEV=1.0] ;Parameterise and

;activate (= G261)

N30 X100

N40 Y100

N50 X0

N60 Y0

N70 #CONTOUR MODE OFF ;Deactivate (= G260)

N80 M30

Parameterise contour modes in the NC program

Before the actual enabling of polynomial contouring (G61/G261), the individual options are parameterised by the NC command #CONTOUR MODE.

Depending on the contour mode, specific keywords are provided for parameterisation. The command has the following syntax structure:

#CONTOUR MODE [<contour_mode> <parameter> <action> ]

<contour_mode>	DEV	Contouring with corner deviation (default)
	DIST	Contouring with corner distance
	POS	Contour with interim point
	DIST_SOFT	Dynamic optimised contouring
	DIST_MASTER	Dynamic optimised contouring with master axis
	PTP	Dynamically optimised contouring of the complete contour

<Parameter>

PATH_DEV

TRACK_DEV

...

Caution:

The parameters for deviations and tolerances must always be specified in [mm, inch] or [°]. When specifying in [inch], please refer to the note in P-CHAN-00439.

<action>	PRE_ACTION	Execute M/H actions at the start of the contouring curve.
	INTER_ACTION	Execute M/H actions at the centre of the contouring curve.
	POST_ACTION	M/H actions after the contouring curve.