Cycle997 Workpiece: Measuring A Sphere And Zo Determination; Function Overview - Siemens SINUMERIK 840D sl Programming Manual

5.9

CYCLE997 workpiece: Measuring a sphere and ZO determination

5.9.1

Function overview

Function
With measuring cycle CYCLE997, different measuring variants can be used to measure
● a sphere or
● 3 equal sized spheres, fixed to a common base (workpiece),
.
Measurements can be performed paraxially with the workpiece coordinates system (WCS)
or at an angle in the plane.
The center point (position of sphere) is derived from 4 or 5 measuring points around the
circumference with a known diameter. With an additional measurement the diameter can
also be determined.
Intermediate positioning for measuring points P1 to P3 and P4 (determining circle in plane) is
performed with measuring variant "at an angle" on a circular path, otherwise parallel with the
axis.
Positioning in the infeed axis and between the spheres is always a linear movement.
CYCLE997 can measure the sphere and in addition automatically correct a zero offset (ZO)
on the basis of the position of the center of the sphere.
With "Measure 3 spheres" the angles in space of the sphere grouping can also be
determined.
The target of the ZO compensation can be selected with _KNUM.
Measuring cycles
Programming Manual, 03/2009 Edition, 6FC5398-4BP10-2BA0
Measuring Cycles for Milling and Machining Centers
5.9 CYCLE997 workpiece: Measuring a sphere and ZO determination
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