Patent · US Expired

Method and tool for electrochemical machining

US6234752A · kind A · utility

21Cited by
6References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 22, 1999
Grant dateMay 22, 2001
Priority date
Expiry dateNov 22, 2019

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF05D2260/2212
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

An electrochemical machining process is disclosed for forming multiple raised areas having multiple heights in a wall of predrilled holes within a workpiece. Positioned within each hole is an electrode coated with an insulating material in a pattern defining the raised areas to be formed in the wall of each respective hole. An electric current is applied from a power supply to each of the electrodes. A resistor is positioned between the power supply and at least one of the electrodes to vary the voltage passing through the electrode to vary the amount of material removed within that respective hole.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.