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Re: [ATM] Bowed Flexure


There was some doubt expressed if one could measure better than 1 division
(0.0001") with the Starrett   25-511 dial indicator. I repeated the tests
with the bowed flexure using a B&S 981 electronic TDI and 982 analog display
and found the results that compare well with the Starrett dial indicator.
Scale was set to +-300 millionths of an inch with each division 10
millionths of an inch. Pictures of the display and TDI

http://photobucket.com/albums/v332/DClement/?action=view&current=BSDisplay.jpg

http://photobucket.com/albums/v332/DClement/?action=view&current=BS981TDI.jpg



A single or multiple stage bowed flexure would allow easily built very small
displacement programmable positioner using stepper motor or voice coil
actuator.



Don Clement

Running Springs, California

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