Metal Injection Molding—Sprue Gate Location

How to located sprue gate when design mould before metal injectionmolding process? There are some suggestions for your reference.

(1)   Choose nearest obstacle

(2)   Gate size and location should avoid  injection and peristalsis.

(3)   Gate should be located in the thickest part of injection part section

(4)    Gate location should make flow process shorter and less change of flow direction

(5)   Gate location should be  helpful for discharging inside cavity gas

(6)   Gate location should reduce or avoid weld mark so as to increase weld fastness.

(7)    Gate location should be selected to prevent material from extrusion deformation by cavity, core and insert

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