Monitoring electrode condition in an electro-discharge machine

Details Monitoring electrode condition in an electro-discharge machine Monitoring electrode condition in an electro-discharge machine

2006-04-18

2006-04-18

Evans, Geoffrey S. (Department: 1725)

Electric heating

Metal heating

Cutting or disintegrating

C219S069150, C219S069160, C219S069200

Reexamination Certificate

active

07030332

ABSTRACT:
A method and device for monitoring the condition of an electrode in an electro-discharge machine are disclosed. The device includes an electrode detector operable to produce a position signal indicative of the position of an end region of the electrode in the nose-guide, and a signal processing unit connected to receive a position signal from the electrode detector and operable to determine from the position signal when retraction of the electrode into the nose-guide has occurred. The method monitors the position of the end region of the electrode and determines when retraction of the electrode has occurred.

REFERENCES:
patent: 3601572 (1971-08-01), Check et al.
patent: 4191878 (1980-03-01), Check et al.
patent: 4510364 (1985-04-01), Ito
patent: 6225589 (2001-05-01), Bartok
patent: 0 176 603 (1986-04-01), None
patent: 61-14816 (1986-01-01), None

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