What about basic dim? What is the tol. of basic dimension when we have profile without datum?
@梅搞七八8 күн бұрын
basic dim has zero tol.
@sem72075 күн бұрын
A basic dimension is a theoretically exact dimension that only sets the location and orientation of tolerance zones, or defines the form and/or size of the "true" (nominal) profile to which a tolerance zone is fixed. So the dimension itself has no tolerance, and you shoudn't measure or report it.