Pneumatic shock tester
Pneumatic shock tester
(OP)
I'm looking for information on building a pneumatic shock tester to simulate pyroshock testing. What we have in mind is using air pressure to shoot a projectile into a beam fixed on both ends to replicate a shock spectrum. We have a paper from Sandia labs in which they built several shock testers similar to this. Does anybody know where I can find more information on the subject?





RE: Pneumatic shock tester
Cheers
Greg Locock
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RE: Pneumatic shock tester
Were they able to replicate the pyroshock spectrum?
RE: Pneumatic shock tester
Our DUT was a very fragile tungsten filament. Broke several development prototypes on a shaker table before improving the mounting enough that we felt good about proceeding to the qualification test.
He was right. The pyro test data showed lots of high-frequency content, and very little low-freq (where the filament was most susceptible to damage). We passed with flying colors.
RE: Pneumatic shock tester
http://adsabs.harvard.edu/abs/1992STIN...9322975D
They came up with 2 different kinds of tables, one like the one I described above and another that pneumatically drove a sled into a target which held the UUT.
RE: Pneumatic shock tester
RE: Pneumatic shock tester
RE: Pneumatic shock tester
RE: Pneumatic shock tester
In the last paragarph of the report it states:
"All of the inital goals of this project have been attained with the Phase I and Phase II apparatus. The Phase I apparatus was patented (ref 9) in 1996. .... This is an area where we see the potential for increased involvemnet by Sania's Shock Lab and other test facilites. ...
RE: Pneumatic shock tester