Resources Contact Us Home
Controlled metal removal by parallel-to-face electrochemical machining

Image Number 2 for United States Patent #4541909.

This is an electrochemical machining process for removing high spots from the surface of reactive metal workpieces. The process utilizes measuring of the workpiece to locate high spots (imperfections), then positioning a wedge-shaped, zero-angle electrochemical machining tool with its center line aligned with the center of the high spot, and then moving the tool parallel to the workpiece surface across the high spot at a product of current times inverse of speed essentially proportional to the amount of material to be removed. Preferably, the speed of tool movement is maintained essentially constant and the current is varied proportionally to the amount of material along the center line of the high spot which is to be removed.

  Recently Added Patents
Wafer processing method and system using multi-zone chuck
Data modulation for groups of memory cells
Moulded tie strips
Wafer level packaging structure with large contact area and preparation method thereof
Method and apparatus for interactive distribution of digital content
Method and system for an integrated host PCI I/O bridge and dual port gigabit ethernet controller
Methods and systems for identifying and changing resolutions to cause an aspect ratio of a printed image to match an aspect ratio of image data
  Randomly Featured Patents
Compositions and method for reducing vial breakage during lyophilization
Captivation assembly of dielectric elements for supporting and retaining a center contact in a coaxial connector
Industrial refrigeration plants of the absorption type
Method of laundering soiled fabrics by non-aqueous detergent formulated to control dye transfer and sudsing in high efficiency washing machines
Preparation of polymer powders
Apparatus for switching optical signals among optical fibers and method
Belt clip with low-friction lining
Light gating methods and apparatus
Seat back frame for vehicle seat