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Profile Of a Line Control : GD&T Basics SMLease Design

  • Profile of a line control describes a tolerance zone around any line in any feature.
  • Profile of a line is a 2-Dimensional tolerance range that can be applied to any linear tolerance.
  • Profile of line control : controls size, orientation, location & foam of any feature.
  • Line elements of the surface along the profile must lie within the profile tolerance zone and within a size limiting zone.
  • MMC and LMC are not applicable with profile of line control.
  • Datum Plane can be used to control the profile of a line control.

 


Tolerance Zone:


Measurement Of Profile of line Control:

Dial Gauge is followed along the true profile to record the variation keeping datum plane fixed. Profile is generally measured using CMM

 


 

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