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SST Finish

SST Finish

SST Finish

(OP)
Hi Folks,  Does anyone have specs on "edge sharpness" of fabricated sheet metal parts? SST, Cold rolled, Even looking for machine shop parts specs.
I work in the quality field. The co. I'm at has in their dwg. title block "REMOVE BURRS AND SHARP EDGES" on all drawings. Lately this is turning into a p_ssing contest concerning what is acceptible. Really would like to know how others handle this.
Thank you in advance

RE: SST Finish

I would say it is a matter of common sense, not necessarily of specs. In order to make the requirement quantifiable one would need to specify a minimum acceptable radius.

http://www.welding-advisers.com/

RE: SST Finish

There really should be a min/max edge break on you drawings.  Leave the range as wide open as possible in order to make life easier for everyone.  After all, a sharp square corner is burr free, but it isn't what you want.

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