Week 14 challenge

After the assembly of butterfly valve,the datums A,B,C,D are given.

2.Datum target areas A1,A2,A3 are given to the ears of the body with Perpendicularity tolerance and position tolerance.

3.Other tolerances like profile of a surface,flatness are given.Position tolerances with respect to the axis of B,C,D datums are given corresponding to the ears of the body.

4.Finally,the GD&T of assembly is saved in the required folder.