C - Chemistry – Metallurgy – 25 – F
Patent
C - Chemistry, Metallurgy
25
F
204/117
C25F 7/00 (2006.01) B23H 9/10 (2006.01)
Patent
CA 1083527
APPARATUS FOR ELECTROCHEMICALLY FORMING A PLURALITY OF ARTICLES Abstract of the Disclosure An improved apparatus for forming a plurality of airfoils or other articles includes a plurality of pairs of electrodes which are utilized in the electrolytic removal of material from opposite sides of a workpiece at a plurality of spaced apart locations to form side surfaces of a plurality of airfoils. The electrodes are constructed so that a group of airfoils is formed along each of a pair of opposite minor sides of a workpiece. In one specific instance, a plate having the configuration of a rectangle is utilized. This plate may have a size such that only one end portion of the plate will fit in a working chamber at a time. After a plurality of airfoils have been formed in one end portion of the plate, the plate is withdrawn from the working chamber and the opposite end portion of the plate inserted into the working chamber. In another specific instance, the workpiece included a support frame in which a plurality of partially formed airfoils are mounted. A plurality of pairs of electrodes are utilized to electrolytically remove material from opposite sides of the partially formed airfoils. During the electrolytic removal of material from opposite sides of the workpiece to form the airfoils, electrolyte flows axially along each of the side surfaces of the airfoil from a tip end portion toward a root end portion of the airfoil.
277316
Fetherstonhaugh & Co.
Trw Inc.
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