Can we combine hole table and GD&T position tolerance symbol 1

[Gaganaut06]

I have a plate which has some 500 hole of different sizes. Our usual practice is to provide a hole table with X and Y coordinates and a plus minus tolerance on the values. Is it possible to provide a positional call out to all 500holes and refer to the hole table as basic dimension. Thanks in advance.

 

[pmarc]

My apologies for the brevity, but the simple answer is "Yes, you can do that". Do you have any specific concern with doing it the way you described it?

 

[Gaganaut06]

My apologies for the brevity, but the simple answer is "Yes, you can do that". Do you have any specific concern with doing it the way you described it?

Thanks for the brevity. My concern is, I have not seen this particular problem in any of standards.
And, usually we give the coordinates wrt to a coordinate system, but if I provide a positional call out I have to provide datums. Can I tell that datum A is XY Plane for the coordinate system, similarly for other datums.

 

[pmarc]

As an example, this is a figure from Y14.5-2018. The related para. 4.6.3 says this:

"4.6.3 Tabular Dimensioning
Tabular dimensioning is a type of rectangular coordinate dimensioning in which dimensions from mutually perpendicular planes are listed in a table on the drawing rather than on the pictorial delineation. See Figure 4-49. Tables may be prepared in any suitable manner that adequately locates the features."

 

[Gaganaut06]

As an example, this is a figure from Y14.5-2018. The related para. 4.6.3 says this:

"4.6.3 Tabular Dimensioning
Tabular dimensioning is a type of rectangular coordinate dimensioning in which dimensions from mutually perpendicular planes are listed in a table on the drawing rather than on the pictorial delineation. See Figure 4-49. Tables may be prepared in any suitable manner that adequately locates the features."

View attachment 5315

Thanks a lot for your replay, I was looking at ISO. So now on this drawing I can just provide a position call out right?

 

[pmarc]

Right.

ISO also has some "similar" example figures in their ISO 129-1 standard. The ones below come from the 2018 version.

 

[mfgenggear]

The issue is what are the holes for. Are they functional requirement for assembly or are they lightening holes.
Machining is no problem.
The issue is inspecting them.
In the old days some thing like this would get
Drilled in a fixture, the inspected to functional gage. The was coordinated to a master.
Thousands of parts were identical.