Siemens SINUMERIK 880 GA2 Programming Guide

4 Programming of Motion Blocks 05.91
4.2.2 Circular interpolation G02/G03
4.2.2.1 Interpolation parameters I, J, K
The interpolation parameters together with the axis commands determine the circle or circular
arc. The starting point “KA” on the circle or circular arc is defined by the preceding block.
The end point “KE” is defined by axis values X,Y and Z. The centre point of the circle “KM” is
defined either:
• by the interpolation parameters (I, J, K),
or
• directly using the radius (B or U).
The interpolation parameters are the paraxial coordinates of the distance vector from the
starting position to the centre point of the circle.
According to DIN 66025 interpolation parameters I, J and K are allocated to axes X, Y and Z.
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a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
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a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
Depending on the machine data, the interpolation
parameters can be entered in absolute (G90) or
incremental (G91) dimensions.
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The sign is based on the direction of the coordinates from the starting position to the centre
point of the circle.
If the value of an interpolation parameter is 0, this parameter need not be programmed.
Similarly any end point coordinates which are the same as for the starting point of the circular
path need not be programmed. At least one axis must be programmed for a full circle (X0, Y0
or Z0).
Circular interpolation with interpolation parameters
-I
-K
KM
X
Z
KA
KE
4–8 © Siemens AG 1991 All Rights Reserved 6ZB5 410-0HD02
SINUMERIK 880, (PG)

Siemens SINUMERIK 880 GA2 Specifications

General

Brand	Siemens
Model	SINUMERIK 880 GA2
Category	Control Unit
Language	English