MINUTE CASTING METHOD OF VALVE USING DIVISIVE CORE

摘要

PURPOSE: A minute casting method of a valve using a divisive core is provided to make the separation of a core easier, to freely make a valve having a complex structure for a minute work required. CONSTITUTION: A minute casting method of a valve using as divisive core comprises the steps of:forming recessed groove units(3a)(3b) in the hollow unit formed at a mold(10); accurately fixing inside of the mold by separately uniting horizontal cores(4)(5) on the recessed groove units(3a)(3b); inputting a cast product into a pouring gate(15); crushing the mold; separating a vertical core(3).