Vibration generator, especially for vibrating stations of stone forming machines

摘要

The unbalance component for the respective unbalance masses (10) has a stop (15) for positional fixing in neutral position. One unbalance mass has a stop profile (16) which engages with a stop face (17) formed on the other unbalance mass. The stops have permanent magnets for locking which are mounted reciprocally opposite each other, and are adjustable by chains pre-tensioned by tensioning elements (18).