straight gate

Straight Gate: also called center gate, is the simplest type. It has small flow resistance, small pressure loss, fast feeding, molding easily, can apply various feedstock. But it is difficult to remove the gate which will affect the appearance. Flat and thin wall products are easy to buckling deform during forming. Large residual stress concentrated near the sprue, tend to generate crack, therefore, straight sprue is usually used for large and deep products.

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