Abstract:This paper reports the development of a computer-controlled machine for non-contact inspection of manufactured parts The machine, called PAMM (Precision Automatic Measuring Machine), is capable of providing "on-the-fly" measurements accurate to within 100 microinches. The intersection of a rotating spiral slot with a stationary linear slot produces a moving aperture for scanning in small increments over a projected, enlarged image of a part. The scanner assembly moves along an overhead cantilever beam in the x… Show more
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