Heidenhain IK 5000 Addendum User Manual download pdf (Page 70)

70 1 Operation

1.1 Operation

Symmetry tolerance

A symmetry tolerance can be applied to Line and Plane features that

are symmetrical to a reference feature.

Symmetry tolerance applied to a line

To apply the symmetry tolerance to a line:

 Measure four lines, two lines on opposite sides that are considered

to be master edges and two lines from edges that are to be

symmetrically toleranced. Lines 1 and 2 are measured from master

edges while lines 3 and 4 are measured from the edges to be

symmetrically toleranced.

 Construct a reference line from lines 1 and 2

 Construct the line to be tolerance for symmetry from lines 3 and 4

 Select the resultant line from the construction using lines 3 and 4

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Heidenhain IK 5000 Addendum User Manual Page 70