Hot runner system material mouth cold material, the product is not enough to eat?

1, improve the hot runner temperature, improve the temperature of the gate area, if it is a double section of the hot nozzle, to two points to heat up;

2, hot mouth gate is too small, the hot nozzle nozzle stripping down, then you can increase the amplification, basic;

3, check the gate contour processing, the need to trim the gate profile;

4, check the nozzle tip to ensure the minimum contact area.