Metal working – Method of mechanical manufacture – Shaping one-piece blank by removing material
Patent
1980-06-09
1982-07-06
Briggs, William R.
Metal working
Method of mechanical manufacture
Shaping one-piece blank by removing material
29 26A, 51326, 408 1R, 409 84, 409 95, 409131, B23P 1302, B23C 316, B23B 3500
Patent
active
043375669
ABSTRACT:
An arrangement for removing excess material from an object surface, to provide a desired finished surface. Holes are drilled into the object so that the bottoms of the holes lie on the desired finished surface. The holes have a shape so that the observed hole diameter at the prevailing surface of the object is dependent on the hole depth and thereby dependent on the amount of material remaining to be removed between the prevailing surface and the desired finished surface. The prevailing surface is continuously observed and measured, and the depths of material to be removed in a sequence of steps is calculated dependent on the measurements of the prevailing surface and the coordinates of the desired finished surface. As a result of the calculations, the depth of material removed during each step is controlled, so that upon carrying out a sequence of such steps, the surface exposed on the object after the last step has been carried out, coincides with the desired finished surface. The accuracy of the material removal equipment may be substantially less than the accuracy of the finished surface.
REFERENCES:
patent: 2785608 (1957-03-01), Walti
patent: 3195411 (1965-07-01), MacDonald
patent: 3472122 (1969-10-01), Vertin
DiMatteo Paul
Rademacher Paul
Segnini Robert
Briggs William R.
Fogiel Max
Solid Photography Inc.
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