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关于浇注系统的设计,论述较多。尤其是对封闭式浇注系统,内浇口截面积大小的确定更是论述的重点。然而,内浇口的引入位置却至今不被人们重视。其实,内浇口截面积大小的确定,远不及其位置的选择来得重要。实践证明,对任一铸件来说,内浇口的截面积大小往往不是不可变的数,它可以在相当大的范围(甚至相差几倍)内变化,仍可以获得合格的铸件。但是,一旦内浇口引入位置设计得不妥,却可影响到铸件质量。这是因为内浇口的引入位置可直接决定或间接影响俦件温
On the pouring system design, discussed more. Especially for the closed gating system, the determination of the size of the gate area is the focus of discussion. However, the introduction of the gate has so far not been taken seriously. In fact, the determination of the size of the cross-sectional area of the gate, much less than the choice of its location is important. Practice has proved that, for any castings, the size of the gate is often not the cross-sectional area of the number of non-volatile, it can be a considerable range (even a few fold difference) within the change can still be qualified castings. However, once the gate is in the wrong position, it can affect the quality of the castings. This is because the introduction of the gate position can directly determine or indirectly affect the temperature of the workpiece