電解加工による曲がり穴加工法の開発 (第1報) : アクチュエータを持たない工具による加工法

概要

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A new method of a curved hole processing for cooling jackets of a metal mold is proposed. This processing technique is characterized by its simple mechanism without an actuator, where a tool is driven by the forward feed motion only. In the first step of the machining process, a tool slightly processes a hole into the direction where it is ordered to turn. In the subsequent step, the tool follows the hole machined by itself in the first process, and the repetition of these steps can produce a curved hole. The experiments carried out using electrochemical machining showed that the proposed method can produce smooth curved holes automatically. It was demonstrated that complicated curved holes with various curvatures were also produced successfully. These experimental results exhibited that the proposed method has a high potential as a processing method for curved holes in a metal mold.
2002-11-05