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GD&T for Suspension Springs

GD&T for Suspension Springs

GD&T for Suspension Springs

(OP)
Is there anyone who has experience with GD&T for Suspension Spring Drawings? My opinion is that GD&T cannot be applied to a spring shape. Are there any published rules/requirements for applying GD&T to spring forms?

RE: GD&T for Suspension Springs

Which kind of spring? Helical?

RE: GD&T for Suspension Springs

(OP)
Yes, that is correct.  Helical compression spring.

RE: GD&T for Suspension Springs

You don't think you can apply a perpendicularity requirement between a ground end and the spring axis/ID/OD?  Or parallelism between ground ends?  Or concentricity, linearity, surface finish, etc.?

RE: GD&T for Suspension Springs

You may use the Profile on the outside, inside and the ends but frankly I think GD%T for spring is not necessary. I do not think that any spring manufacurer has the instruments for such checking and will even consider it.

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