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Thank you CoryPad and berkshire for your help so far... We don't have any equipment or vendors in mind at the moment. The machine shop that has been making the prototypes has been peening them over with a hammer, but we're going to need 4,000 of these inside a short timeframe once the...

drawoh, I agree. Crap in gives crap out. However, that wasn't quite what I meant, but my post wasn't clear on that. The measure that I have used to evaluate whether or not a drawing is well-drawn is to look at from a machinist's perspective. If the drawing gives me every dimension that I...

I have uploaded a sketch of the assembly in its undeformed state (http://files.engineering.com/getfile.aspx?folder=ae4be257-9a98-4110-98aa-456596eed939&file=swagedpart.tif) For the actual process, I'm afraid that my ignorance of the details of cold-forming forces me to use the terms that I was...

To be honest, as a designer, I would have to ask if this method allows the machinists to make the same functional part over and over. If it does, then it's OK in my book. However, if the machinists cannot make a functional part repeatedly from the print (or evaluate if a part is correct in the...

I am going to be designing a stainless steel (304) part that will be attached to a piece of spring steel (0.79mm thick). It has been recommended that I swage the two parts together. Are there any specific design considerations that I would need to take into account in order to do this? I'm...

Thank you, Pat. If I'm understanding you correctly, the hole can vary by up to 1%, which would be 0.1mm (0.0039"). That would make any press-fit pretty useless. I guess I'll just have to hold the insert in place by form rather than by fit.

Nyloil FG is an oil-filled cast Nylon 6 plastic approved for food contact surfaces by the FDA (FG = Food Grade).

(First time post. Apologies in advance) I'm trying to design a steel insert to be pressed into a Nyloil FG part. The insert will be nominally 10mm in diameter and 18mm long and will be fabricated by a local machine shop. The Nyloil FG part will also be machined by a local shop. However, I'm...