Patent · US Expired

Electrode shaping

US4850147A · kind A · utility

7Cited by
1References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 11, 1988
Grant dateJul 25, 1989
Priority date
Expiry dateJan 11, 2008

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB23H9/10
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A method of shaping a nose portion 5 of an electrode 4 in an EDM apparatus comprises, providing a grinding element 9 having a peripheral groove 10 and means for effecting relative movement between the electrode 4 and the grinding element 9, and feeding the electrode 4 into the groove 10 tangentially or normally thereto so that the nose portion 5 contacts and is ground by one of the two opposed side faces of the groove 10 to impart a complementary profile to a first side face 20 of the nose portion 5.

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