How about rubber vibration-isolation mounts -- they look like a rubber =20 cylinder with independent threaded studs on opposing sides... =20 http://www.karman.com/noise.cfm Cheers, -Neil. Quoting William Couture : > On Fri, Oct 22, 2010 at 1:01 AM, Youda He wro= te: > >> =A0We are developing a controller board that will be mounted on a >> machine, the machine will vibrate (shake) heavily, but should not >> exceed 3g. We have no control which direction it goes, so the circuit >> board need to sustain vibration in all directions. =A0On top of that, >> the environment is moist, we have some modules mounted with heavy >> insulation inside. The insulation also added weight to the modules >> (the modules are about the size of a deck of poker cards. places wide >> side down to circuit. >> >> =A0What are the good ways to secure the modules and circuit board that >> can sustain the vibrations? > > One thing I have seen on boards is holes around the modules to be > secured, and cable ties used to secure the soldered modules to the > board. > > As for the normal circuitry, maybe potting would help with vibration. > > Bill > > -- > Psst...=A0 Hey, you... Buddy...=A0 Want a kitten?=A0 straycatblues.petfin= der.org > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .