Patent ID: 6799494
Filing Date: 2004-10-05
Classification: B23B,B23Q,Y10T

Abstract:
In a journal turning lathe for machining a work piece, the journal turning lathe including a pair of end brackets adapted to be secured to a cylindrical work piece at axially spaced locations and a plurality of guide rails extending between and supported by the end brackets in parallel relation to the work piece, said guide rails supporting a clamshell assembly which is adapted to be translated along the guide rails by at least one motor driven lead screw, said clamshell assembly being the type having a rotatable ring operatively coupled to a stationary ring, the rotatable ring carrying a tool slide holding a tool bit for machining the cylindrical work piece, wherein the improvement comprises:an intermediate support bracket adapted to be inserted between said guide rails and the work piece at a location displaced from the end brackets for inhibiting flexure of the guide rails as the clamshell is translated there along.