66 I Operating Instructions
I – 6 Programming POSITIP 880
Enter the size of the radius.
Press MINOR ARC soft key. Press ENT.
Enter the arc direction. Press ENT.
Enter the tool offset. Press ENT.
Press USE.
Blend
A blend is a semi-circular fillet which connects two adjacent blocks
within a program. The two blocks may be two lines, two arcs, or a line
and an arc. The POSITIP 880 calculates the location of the arc to
transition smoothly from the previous block to the next. The two
blocks do not have to intersect or touch; however, if they do not touch,
the blend arc must be large enough to connect them. The blend arc
can be specified as “normal” or ”inverted”. The blend step cannot be
executed as a single cycle operation. See Fig. I.53 as a graphic
example of different types of blends.
A blend usually connects the previous block in the program with the
next block to form a continuous path. It is also possible to have the
blend connect the previous block to the first block within the current
continuous path.
To close the path using a blend, enter the blend’s radius and press the
CLOSE CONTOUR soft key. See Fig. I.52.
RADIUS
DIRECTION
TOOL OFFSET
Fig. I.52 Input parameters for a blend
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