Bore Finishing Machine Improves Geometry and Offers Flexibility When Finishing Large, Multiple Bore Hydraulic Valve Bodies
Manufacturers of earth moving equipment and construction machinery, using large hydraulic valve bodies, are engaged in a global market which demands improved product performance and quality.
A major challenge faced in this industry is the precision finishing of hydraulic valve bores, in particular aligning and finishing the bores once the bodies have been stacked. Engis Corporation of Wheeling, Ill., has engineered a solution to this manufacturing challenge.
Engis has just released a new three axis single-pass bore finishing system, the FPM-3X, which can finish stacked valve body bores to a cylindricity of 2 microns and a diameter of +/- 1 micron, especially those with multiple bores and bores of different diameters.
The FPM-3X features full CNC controls with a Z-stroke of 750mm, an X-stroke of 1066mm and a Y-stroke of 100mm. The slide base can accommodate parts up to 3,000 lbs. An 8 – 13 pocket automatic tool changer allows the machine to complete bores from rough to finish without operator involvement. Programming is done via standard G-Code.
Using a systems approach, Engis helps manufacturers optimize bore finishing results by selecting the best combination of superabrasives, tool design, tool holding, part fixturing, cooling/filtration and automation package options.
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