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SymphonyTech have deep expertise in Dimensional Variation Analysis and GD&T. We have helped several Engineering and Automotive OEMs attain quantum benefits in their Designs and Manufacturing processes.
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Profile Tolerance − Equally Disposed

Profile tolerance is always expressed RFS and needs to be accounted for independently of other tolerances. By default the Profile variation is equally disposed around the Basic Profile.

The animation shows the impact of an equally disposed Profile Tolerance in DVA.