a.Automatically cut off and drop down
b.Normally applying Submarine gate, Banana gate and hot runner
a.Using hardened steel, such as SKD62(HRC52)
b.Flat or R15.5 for sprue circular arc
c.At least Ø3.5mm for the hole diameter
d.Length, the shorter, the better
e.When custom made, using hardened material such as ASSAB8407, LKM2767, LKM2083 (HRC52),inner hole need to be polished.
f.Keeping at least 1.5mm distance between sprue & wall thickness.
a.Trapezium shape for sub- runner
b.Locating by ball screw on bottom
4.Gate design notice: