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Hi everyone, I have a situation where the only way to weld two pieces together while also be self-locating is having holes run through both parts, and have the welder run a pin through both while welding the rest of the edges. Then I would want the welder to remove the pins after weldment, and...

Much appreciated, Dave. I took a look at Y14.31 (undimemensioned drawings) and page 17 looks very similar to what I'd want to do. Like you specified, flat face datum is called out with an all around profile assigned. I understand in some respect it's good practice to call out basic dims as...

Hi everyone, I have designed thermal pad cutouts for their particular components. These will just be laser cut to shape from .006" stock rolls and then applied. Because of having many variations, is there a blanket method to assign all cutouts the same profile tolerance without specifying...

Hi everyone, I have an application for which I'm using plastic washers (delrin or nylon) to prevent dissimilar metals corrosion between an AL plate and SS fasteners in a marine environment. I'm being asked to stack SS washers on top of plastic ones. Are there standards or references that...

Unfortunately it doesn't. I'm sure there is a setting for it too.

Hi everyone, I'm hoping someone else has come across this issue before. I'm dealing with an issue where with feature control frames, the leader is attached to the center of the frame (bottom of screenshot) rather than the top or bottom edge of the frame (top of screenshot). I cannot find the...

In the above example, I can understand how the TP tolerance of .25 is calculated using fixed or float fastener formulas, if we pretend that the narrow width has the same diameter as if it was a regular clearance hole. Where does 1.5 tolerance come from? It wouldn't be calculated as the...

Hi all, I understand how TP tolerances are distributed by the difference in MMCs in reference to Y14.5 appendix B (fixed fastener/floating fastener conditions). When it comes to bidirectional tolerancing for slotted holes, I can speculate that you can apply those formulas to the narrow width of...