200以上 angularity symbol 217832-Angularity symbol
The angularity control keeps the angle of a feature with respect to the datum in check We can use it to control a 2D line, but it is more popular with keeping surfaces (3D) under control This kind of tight control keeps the angle and the surface flatness in check and is recommended for part features that mate with other parts through theAngularity Angularity tolerance symbol is shown as "∠"Angularity tolerance specifies a tolerance zone defined by two parallel plane at the specified angle other than 90 degree from a datum plane or axis within where the surface or the axis of the feature must lie1 The tolerance zone is cylindrical Angularity Dimensional Consulting Angularity symbol