GD&T Question
GD&T Question
(OP)
I got a drawing today from a car manufacturer and the coordinate system is shown as H, BR, and T. Has anyone seen this before? I'm having trouble visualizing it.
Thank you
Thank you
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RE: GD&T Question
I don't know how they came up with these letters, but it's no different than a large-scale X-Y-Z system: it allows any point on the vehicle to be described with an (H, B, T) location. The trick is to be sure of where they are defining the (0,0,0) point on the car.
See the attached sketch -- it's very crude, but gives the basic idea.
John-Paul Belanger
Certified Sr. GD&T Professional
Geometric Learning Systems
RE: GD&T Question
No idea on T though, Thickness doesnt quite make sense.
Will Walters
Sheffield UK
Designer of machine tools - user of modified screws
RE: GD&T Question
Thank you for the clarification and have a great weekend.
RE: GD&T Question
Traverse works for "T"
RE: GD&T Question
Will Walters
Sheffield UK
Designer of machine tools - user of modified screws
RE: GD&T Question
RE: GD&T Question
Even though I would agree transverse is more technically suited;
either works.
Chevy picked "Traverse" as the sporty version