| 摘要 |
In the method of manufacturing a ferrule, electrocasting is carried out using at least one wire 9 such as of a metal or a plastic as a mother die, and then the wire 9 is removed from the resulting electrocast product, wherein the electrocasting treatment is carried out under rotation of the wire while it is maintained static in the longitudinal direction. According to this method, neither biased thickening nor bending occurs in the electrocast products, and they are almost free from decentering of holes. Intermediate rod products obtained after the electrocasting treatment have perfectly circular cross sections. In addition, variation in the diameter of the rod products can be reduced. Besides, agitation of the electrocasting solution can be facilitated by employing a method in which agitation is achieved by forced circulation of the liquid, and further deterioration of the electrocasting working environment can be prevented.
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