Patent · US Expired

Production method of honeycomb die-forming electrical discharge machining electrodes and production method of honeycomb dies

US5008509A · kind A · utility

9Cited by
6References
6Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMar 15, 1990
Grant dateApr 16, 1991
Priority date
Expiry dateMar 15, 2010

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB23H2200/30
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A method of making a honeycomb die by using an electrode with parallel grooves in an electrical discharge machining process. The parallel grooves in the electrode are formed by a grinding wheel having a reverse tapered shape. The grinding wheel is progressively dressed during cutting of the parallel grooves.

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