Cutting surfaces of revolution for millimeter wave optics.
A procedure for cutting surfaces of revolution using a numerically controlled milling machine is described. The procedure differs from conventional techniques in that the curve to be cut is approximated by a circular arc. The errors introduced by the approximation scheme are less than the machining errors. This procedure can be implemented on any machine capable of cutting an arbitrary radius circular arc. It also reduces the number of programming instructions by a factor of ~50.
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Dragovan