of two-stages material supply is employed. It expels bubble out of the raw material in the most effective way and there is no dead material left in the injection sysem.
3.Injection volume control
A design incorporating a high precision optical ruler, makes in Germany, is adopted. The injection volume can be calculated and controlled precisely.
4.Design of rotary injection board
Special designs for loading/unloading functions are provided. It causes no dead material in the injection nozzle. It is