| 摘要 |
PROBLEM TO BE SOLVED: To eliminate the need of accurately adjusting a wire guide body even when the diameter of tool electrodes is different, in a wire electrode guiding device for fine electrode molding, and to improve efficiency when fine electrode molding and fine boring are simultaneously conducted. SOLUTION: This wire electrode guiding device 4 comprises a positioning guide 41 composed of plural pulleys, a guide board 42 on which the positioning guide 41 is disposed, an energizing roller 43 feeding a wire electrode EW, a reversing pulley 44 leading the wire electrode EW traveling from the positioning guide 41 toward the positioning guide 41 again, and a direction changing pulley 45 leading the supplied and withdrawn wire electrode EW in a horizontal direction. The positioning guide 41 is composed of two pairs of guides, namely a pair of pulleys disposed so as to regulate a clearance between a going route and a returning route of the wire electrode EW, and a pair of pulley disposed so as to regulate the clearance between the going route and the returning route at narrower clearance.
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