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Special Motion Commands

4.6 Settable path reference (SPATH, UPATH)

Job planning

258 Programming Manual, 07/2010, 6FC5398-2BP40-0BA0

Examples

Example 1:

The following example shows a square with 20 mm side lengths and corners rounded-off

with G643. The maximum deviations from the precise contour are defined for each axis

using the axis-specific machine data MD33100 $MA_COMPRESS_POS_TOL[<n>].

Program code Comment

N10 G1 X… Y… Z… F500

N20 G643 ; Block-internal corner rounding with G643

N30 XO Y0

N40 X20 Y0 ; Edge length (mm) for the axes

N50 X20 Y20

N60 X0 Y20

N70 X0 Y0

N100 M30

Example 2:

The following example shows the difference between both types of motion control. Both

times the default setting FGROUP(X,Y,Z) is active.

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D[HVIRU63$7+DQG83$7+

$; 6457;

83$7+

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$; ;

63$7+

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Siemens SINUMERIK 828D Programming Manual

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