Thomas A. Frank wrote: >>> The test is called the "hammer blow" test. >>> >> Why do I picture a large steel hammer on a swing setup with a DUT as >> targeted >> endpoint? >> > > > Because that's pretty much how it's done :-) > > OK, the DUT is sitting on a big steel table and the hammer hits the > table not the piece, but still...you would be amazed at how far the > pieces fly sometimes. > > Tom Frank, KA2CDK > > It is described in MIL-STD-901. Depending on the mass of the equipment you are testing, there is a *light* hammer and a *heavy* hammer. I have had some of my equipment tested to that level. The peak acceleration is in the 150-200G and the waveshape is very sharp, with lots of harmonics, to make sure ALL resonances are excited.
Didier KO4BB _______________________________________________ time-nuts mailing list [email protected] https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
