APPARATUS FOR DETECTING COMPLETION OF AUTOMATIC CONNECTION OF WIRE ELECTRODE

Title:

APPARATUS FOR DETECTING COMPLETION OF AUTOMATIC CONNECTION OF WIRE ELECTRODE

Document Type and Number:

WIPO Patent Application WO/1987/001637

Kind Code:

A1

Abstract:

A device of simple construction for detecting the completion of automatic connection of the wire electrode (W) in a wire cut electric spark machine. Electricity is supplied from a feeding unit (43) to the wire electrode (W) via a contactor (32) at the time of the automatic connection, and the wire electrode (W) that is supplied comes into contact with a steel plate (44) provided at a unit fed with electricity arranged on the side of taking out the wire electrode (W). Then, the potential of the steel plate (44) at the unit fed with electricity rises, by which the completion of the connection is detected.

Inventors:

ASO TOSHIYUKI (JP)
ISHIBASHI TAMOTSU (JP)

Application Number:

PCT/JP1986/000473

Publication Date:

March 26, 1987

Filing Date:

September 12, 1986

Export Citation:

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Assignee:

FANUC LTD (JP)

International Classes:

B23H7/02; B23H7/10; (IPC1-7): B23H7/10

Foreign References:

JPS57149126A

1982-09-14

Other References: