Press for production of plastic molded pieces has conquered rolled drive knuckle joints system to drive press ram

摘要

The press (1) has the idle stroke and the drive for the press ram achieved by means of a knuckle joint system (6, 7), comprising a controlled drive (18, 19). This drive, which may be hydraulic for electric, is controlled in such a manner that the knuckle joint system does not reach or overstep its own bottom dead center position.