Hydraulic injection molding machines have been rapidly replaced with full-electric machines along with the trend towards environmental protection and energy conservation, which has globally accelerated since the last half of the 1990's. Full-electric machines currently account for about 70 percent of all the injection molding machines manufactured in Japan. Our company pioneered the development of electric injection molding machines and has been actively involved in the development since then. In 1998, we introduced the SE-S series applying an innovative direct-drive mechanism, which made us the leading company in manufacturing full-electric injection molding machines.
Now we have developed the SE-D series that deliver higher performance than the previous series. The SE-D series have been equipped with an injection device of the second-generation direct-drive mechanism, which has extremely low inertia, a mold-clamping device of high stiffness, and a control device of excellent operability and reliability. The series have performance equivalent to hydraulic injection molding machines of the accumulator type that have servo-valve control.
This report describes the features of the SE-D series in the mechanism and control, and presents examples to demonstrate the stability of injection molding.