The new all electric Engel e-mac injection molding machine series will celebrate its first airing in China, showing its capability in the manufacture of electronic mass products at the CHINAPLAS 2013.
During the exhibition, an Engel e-mac 50/50 will be in live demonstration, producing holders for semiconductor chips made of polyetherimide, an application that requires machine’s precision. The holders measure 26 x 23mm, but the critical factor is the very thin wall thickness of just 0.65mm and the mesh structure to be created with an inner edge length of 0.42mm.
The Engel e-mac achieves a cycle time of just 19s in this application. With an acceleration of over 20m/s², Engel says the injection axis of the e-mac is one of the world’s fastest. Additionally, the synchronous movements of the drive axes ensure fast cycle times.
In addition to compact footprint, all drives in the Engel e-mac are servo-electric. They are operated by a modern axis system solution involving a stabilized intermediate circuit. The braking energy is recovered and fed back into the grid. The Engel e-mac series has four machine sizes with clamping forces of 50, 75, 100 and 180 tons.