Wire-cut electric discharge machine having water level...

Details Wire-cut electric discharge machine having water level... Wire-cut electric discharge machine having water level...

2011-05-24

2011-05-24

Evans, Geoffrey S (Department: 3742)

Electric heating

Metal heating

Cutting or disintegrating

C210S086000, C210S143000, C219S069140, C700S162000

Reexamination Certificate

active

07947917

ABSTRACT:
For specifying a cause of generation of a water level abnormality alarm in a wire-cut electric discharge machine, stopping supply of a machining liquid to a machining tank when the alarm is generated, draining the liquid; measuring an amount of change in the water level per unit time that is detected by the water level detecting unit; and displaying a question to an operator about the measured amount of change in water level and the state of a water level adjusting mechanism. The operator manually inputs an answer to the displayed question, and specifies, from the answer input by means of the inputting unit, a part which causes the generation of the alarm.

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Machine translation of Japan Patent document 11-119,815, Aug. 2010.
Notice of Reasons for Rejection for JP2007-322537 mailed Mar. 3, 2009.
EP Search Report for 08166279.3 dated Mar. 1, 2011.

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