Deck 27: Profile Tolerance Applications

Question 1

Define a multiple single-segment profile tolerance.

Answer 1

A multiple single-segment profile tolerance is where two or more profile tolerances are applied to a surface (or collection of surfaces) relative to different datums. When using multiple single-segment profile, different levels of control of part characteristics can be achieved by using different tolerance values and adding, removing, or changing datum references.

Question 2

An indicator ____________________ block is a gage detail that has two parallel surfaces set at the same basic distance apart that the gage surface is from the true profile.

Answer 2

zero
0

Question 3

Name seven conditions that apply when a profile of a surface tolerance is applied to a planar surface.

Answer 3

In certain cases, the function of a part may require that a surface be located relative to a datum reference frame. This may be accomplished with a profile of a surface tolerance. In this application, profile is applied to a planar surface, and the following conditions apply:
1. The profile tolerance is applied to a true profile.
2. The true profile is related to the datum reference frame with basic dimensions.
3. The datum reference frame is three orthogonal planes.
4. The tolerance zone is a boundary 1.0mm wide centered on the true profile.
5. There are no additional tolerances available.
6. All surface elements must be located within the tolerance zone.
7. The tolerance zone limits deviations in location, orientation, and form.

Question 4

A common method for verifying a profile tolerance is to use a CMM.

Question 5

In certain cases, the function of a part may require using a profile of a surface tolerance to control the size, location, orientation, and form of a closed polygon. In this application, a(n) ____________________ profile is established by the basic dimension.

Question 6

What are four common real-world applications for profile tolerances on drawings?

Question 7

A multiple single-segment feature control frame can contain as many as three segments.

Question 8

In certain cases, a profile of a line tolerance is used as one segment in a multiple single-segment profile tolerance. In this case, the profile of a surface tolerance in the lower segment controls the size, location, and orientation of the conical surface. The profile of a line tolerance in the upper segment controls the orientation and form of the line elements (in one direction) of the conical surface.

Question 9

What is a major difference between multiple single-segment and composite profile tolerances?

Question 10

In certain cases, the function of a part may require controlling size, location, orientation and form deviations of a closed polygon. This may be accomplished with a profile of a surface tolerance with ____________________ references.

Question 11

If a profile tolerance with no datum references is applied to a surface, it will control deviations in form only.

Question 12

A real-world example of a profile of a line application on relatively simple geometry is to control form deviations of surface ____________________ elements.

Question 13

A composite profile tolerance can only be applied to a pattern of surfaces.

Question 14

In certain cases, surfaces may be located using coordinate tolerances and the form and orientation of the individual surface elements, and in some cases size (i.e., distance between surface elements) controlled using geometric tolerances. This can be accomplished using a coordinate toleranced ____________________ with a dimension origin symbol and a profile of line tolerance applied to the surface elements.

Question 15

Define a composite profile tolerance.