Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
WIRE ELECTRICAL DISCHARGE MACHINING APPARATUS AND INITIAL HOLE MACHINING METHOD
Document Type and Number:
WIPO Patent Application WO/2016/170645
Kind Code:
A1
Abstract:
A wire electrical discharge machining apparatus (100) is provided with: a wire bobbin (2) for winding a wire electrode (1); a straightening unit (6) for straightening the wire electrode dispensed from the wire bobbin; a machining power source (7) for applying a voltage between the wire electrode and a workpiece (10) via an electric supply element (71) disposed above the workpiece and contacting the wire electrode; and a control unit (20) for controlling the straightening unit and the machining power source so as to apply voltage between the straightened wire electrode and the workpiece and perform electrical discharge machining to form an initial hole (11) in the workpiece.

Inventors:
NAKAGAWA TAKAYUKI (JP)
TAKADA TOMOAKI (JP)
Application Number:
PCT/JP2015/062397
Publication Date:
October 27, 2016
Filing Date:
April 23, 2015
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B23H7/10
Foreign References:
JPH02279230A1990-11-15
JP2008000834A2008-01-10
JPH03170227A1991-07-23
JPH04141322A1992-05-14
US6403911B12002-06-11
Attorney, Agent or Firm:
TAKAMURA, JUN (JP)
Jun Takamura (JP)
Download PDF: