Skip to main content

Tag: GDandT Symbol

GD&T Position

True Position

by GD&T Basics on December 22, 2014.

Position is one of the most useful and most complex of all the symbols in GD&T. The two methods of using Position discussed on this page will be RFS or Regardless of Feature Size and under a material condition (Maximum Material Condition or Least Material Condition). Position is always used with a feature of size.

Circularity

by GD&T Basics on December 21, 2014.

The circularity symbol is used to describe how close an object should be to a true circle...

Parallelism

by GD&T Basics on December 20, 2014.

Parallelism is a fairly common symbol that describes a parallel orientation of one referenced feature to a datum surface or line...

GDT Symbol cylindricity

Cylindricity

by GD&T Basics on December 18, 2014.

The Cylindricity symbol is used to describe how close an object conforms to a true cylinder...

GD&T Symbols Profile of a surface

Profile of a Surface

by GD&T Basics on December 18, 2014.

Profile of a surface describes a 3-Dimensional tolerance zone around a surface, usually which is an advanced curve or shape...