| 摘要 |
A wire cut electric discharge machine which is capable of taper-machining with high accuracy. A correction factor which is to correct errors attributing to a special purpose jig is obtained according to a difference between an aimed angle and an actual taper angle of a test workpiece which has been machined with the aimed angle. An automatic correction operation is carried out by using the correction factor to correct the distances of the upper and lower wire guides from a reference table, which have been calculated as necessary for controlling the movement of the wire guides.
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