Checking ability to clean up

[[Da...]]

I was asked to see if a diameter would clean up before it was actually finished. Sounds simple. But it requires checking the stock , and the run out at the same time, and also accounting for form variations. This is how I did it, do you guys have a better or faster way?

I used a cylinder that was finished as a construction for a 3D line. Then on the second bore, the one we're checking for sufficient stock, I placed a single point at X minus. I dialed the point into the correct position and asked for the perpendicular from the 3D line to the point. I asked for the depth of the perp and gave it a size that was the equivalent to least material (per side) for the finished bore, so, if the perp is longer than the distance to the finished size, then the part won't clean up. Then I patterned a scallop with 10 points. You can adjust the number of points easily to suit your application. The only problem is that it checks for clean up on one cross section. You have to add cross sections as needed.

Any ideas to improve or speed up program time would be greatly appreciated.

[[Jo...]]

I would define a cylinder(even without a model) at the desired diameter and relationship to "datum" or workholding features. Then place a bilateral profile tolerance on it. This accounts for orientation, form, and stock.
this represents stock + or non cleanup -

[[Da...]]

I like that, it's simple! Thanks, John.