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Thanks for your input folks. As much as I try to allow all the tolerance I can, I think drawoh hit the nail on the head - It's a machine shop. They won't have any trouble hitting a .010 tolerance zone. Get the control you need and move on. My first thought was also Composite Control Frames, but...

3DDave: That is exactly what I should have been thinking about! (Or maybe I was thinking about without realizing it) But without a clocking datum, I'm kind of dead in the water, no? Does this lead to making one of the patterns a datum?

Hi folks, I've done some digging around here and found a couple threads sort of relate to this, but I haven't found a solid answer. If you know of one I missed, please point me there. The basic question: How can I go about controlling the relative clocking of two circular patterns loosely while...

Thanks folks, Barring any new revelations, I think that just about covers it. Excel is being excel, and there is no simple way to change that. Stick - I do appreciate your point about formatting storing data. I hadn't considered it that way before, but I see exactly what you mean (especially in...

Hi folks, I'm working on a large-scale revision of a special project based on customer/structural comments. I have a spreadsheet to track what tasks are completed. First column is drawing number, subsequent columns are comments on each particular drawing. This leaves one task per cell...

Good replies; thanks,everyone! I could have sworn I read somewhere that revision symbols should not go in the title block, but it looks like I must have dreamed it. Might have been in someone else's internal drafting standard while trolling the internet for answers one day. Thanks again, Matt

Hi folks, I have been digging around in the forum and on google, but I haven't found a definitive answer to this question. I figure if I had this much trouble finding an answer, it might be worth getting this discussion going. Is there somewhere in Y14 (likely in .35?) that forbids the...

Well I don't know how I didn't see that one! Thanks for the good answer.

Hi folks, I have been reading and re-reading my copy of A320 looking for references that would control thread length. Does anyone know where I should be looking? The specifics of my situation are that I have a design drawing that specifies A320 grade L7, 1-3/4" x 5" long. I am producing...

Aha! Now we're cooking with gasoline! Thanks, pmarc. I knew it if I stopped thinking about it.

There is a basic relationship between the 4.625 and 3.750 holes, you just couldn't see it! [bigsmile] And, yes - the incorrect duplicate reference to B has been removed. You touched on something there that I have been working to understand recently: What does calling true position on a hole...

Chez, My apologies, I tried changing the file name and re-uploading, but I can't seem to find a way to remove the original attachment. Thanks for your reply. I find myself adding a lot more than I need on most of my drawings because some checkers at the customer seem to be unfamiliar. Not to...

So, after finding this thread (thread1103-424578), it sounds like it would be improper to attach a datum feature symbol to a center line. I have replaced that symbol with a note that reads "DATUM CENTER PLANE B"

Hi folks, I have been digging around for a definitive answer on this. I haven't seen much in Y14.5-2009 (although our drawings don't state any standard, but that's another conversation). I have seen some other people bring this up here and other places, but the conversation seems to get...